A handheld work apparatus has a combustion engine and a rest position. The engine includes a cylinder wherein a piston is mounted to drive a crankshaft in a crankcase. The engine has an intake channel having an intake channel section formed in a fuel supply. The intake channel is divided into a mixture channel and an air channel. The engine has an air filter defining a clean chamber for a deflection bowl. The deflection bowl has a first passage opening whereat the air channel passes from the deflection bowl into the clean chamber and a second passage opening whereat the mixture channel passes from the deflection bowl into the clean chamber. The air channel and the mixture channel run mutually separate in the deflection bowl. In the rest position, no second passage opening extends into a region situated lower in terms of the geodetic height than the main fuel opening.
B25F 5/00 - OUTILS COMBINÉS OU À USAGES MULTIPLES NON PRÉVUS AILLEURS; DÉTAILS OU PARTIES CONSTITUTIVES D'OUTILS PORTATIFS À MOTEUR SANS RELATION SPÉCIFIQUE AVEC LES OPÉRATIONS EXÉCUTÉES ET NON PRÉVUS AILLEURS - Détails ou parties constitutives d'outils portatifs à moteur sans relation spécifique avec les opérations exécutées et non prévus ailleurs
F02M 35/10 - Tubulures d'admission de l'air; Systèmes d'introduction
A device for charging a battery pack includes a first battery compartment for a first battery pack and at least one second battery compartment for a further battery pack. The device is connected to a service voltage via a power supply unit. A voltage regulator is connected to the power supply and has a power output connected to the battery compartment. To charge battery packs with different performance data in a battery compartment, a first voltage regulator with a first power output for a first maximum charging current and at least one second voltage regulator having a second power output a second maximum charging current are provided. A switch arrangement is provided, which is designed to selectively connect the power output of a voltage regulator to only one battery compartment or the power outputs of at least two voltage regulators can be connected to just one battery compartment.
A power tool handle has a shaft with a fastening end securing the handle on the power tool and with a free end. The handle has an outer side for supporting a palm of a hand. First and second operating elements are pivotably supported at the shaft about first and second pivot axes, respectively. The first operating element controls a power tool drive motor. In non-actuated position, the second operating element prevents a control action of the first operating element and has an actuating section projecting from the shaft and having a first and a second end. The first end is closer to the fastening end of the shaft than the second end. The second end is closer to the free end of the shaft. The second pivot axis is closer to the first end than to the second end. A trimmer is provided with such a handle.
A battery charging control device controls charging operations of rechargeable battery units, for which electrical energy is provided by an electrical energy source. The battery charging control device includes a charging control unit having an input connection capable of being coupled to the energy source for supplying an energy supply signal, and an output connection configuration with one or more parallel output connections for coupling a charger arrangement which comprises one or more chargers each having one or more charging ports for the rechargeable battery units. The charging control unit is configured to monitor the current provided by the energy source at the input connection and/or a current provided at a respective output connection and to enable the activation of a charging operation at a respective charging port.
A collecting bag is for receiving material to be collected and has a receiving space delimited by a woven-fabric cloth and is delimited by outer edges of the collecting bag. The woven-fabric cloth of the collecting bag is at least partially air-permeable. The receiving space has an inlet opening for a conveying airflow which supplies the material to be collected, and an outlet opening for at least partially discharging the conveying airflow into the environment. The inlet opening is provided on a first edge of the collecting bag, and the emptying opening is provided on a second edge. The first and second edges are opposite one another at a spacing and are interconnected via longitudinal edges of the collecting bag. The outlet opening for at least partially discharging the conveying airflow is disposed in a side wall of the collecting bag, between the emptying opening and the inlet opening.
A handheld work apparatus includes a motor, a transmission shaft, a tool, a guide tube, a housing, and a first anti-vibration element. The motor via the transmission shaft drives the tool. The transmission shaft is received in the guide tube. The motor is disposed in the housing. The tool is disposed on a front longitudinal end of the guide tube. The housing is disposed on the rear longitudinal end of the guide tube. The housing at least partially encompasses the guide tube, wherein the guide tube projects from the housing. The first anti-vibration element is disposed such that it acts in a vibration-decoupling manner between the housing and the guide tube. The first anti-vibration element is disposed on that side of the motor facing the tool. The handheld work apparatus includes a second anti-vibration element connecting the motor to the housing in an at least indirectly vibration-decoupled manner.
B25F 5/00 - OUTILS COMBINÉS OU À USAGES MULTIPLES NON PRÉVUS AILLEURS; DÉTAILS OU PARTIES CONSTITUTIVES D'OUTILS PORTATIFS À MOTEUR SANS RELATION SPÉCIFIQUE AVEC LES OPÉRATIONS EXÉCUTÉES ET NON PRÉVUS AILLEURS - Détails ou parties constitutives d'outils portatifs à moteur sans relation spécifique avec les opérations exécutées et non prévus ailleurs
A01D 34/90 - Faucheuses; Appareils de fauchage des moissonneuses spécialement adaptés à des usages particuliers destinés à être portés par l'opérateur
7.
Method and System for Type-Dependent Determination of a State of Health or of a State Variable Corresponding to a State of Health of a Battery Pack
A method is provided for type-dependent determination of a state of health or a state variable corresponding to a state of health, of a battery pack for supplying an electrically powered processing device with electric drive power. The battery pack and a charging device are mutually coupleable for the supply of the battery pack with the electric charging power. The charging device is from a set of different types of charging devices. The method recognizes a type of the coupled charging device, particularly by way of the battery pack, and determines the state of health or the state variable in dependence of the type thus recognized, particularly by way of the battery pack.
A handheld apparatus includes a handle at least partially engaging around a housing. The housing extends along a longitudinal axis from the back to the front end. The apparatus possesses a longitudinal plane which in a storage position runs perpendicular to the horizontal plane and contains the longitudinal axis. An operator-control region has a handle opening penetrating fully through the housing in the direction transverse to the longitudinal plane. The handle opening has in the direction of the longitudinal axis a distance point with the largest distance to the back end. The operator-control region extends in the direction of the longitudinal axis from the back end up to the distance point. The housing possesses an imaginary tangential plane which is only tangent to the housing, runs perpendicular to the longitudinal plane and is tangent to the handle. The imaginary plane is tangent to the housing in the operator-control region.
A handheld electric tool has a housing having a receptacle for arranging a replaceable battery pack. The battery pack includes an insertion section and a grip section and can be inserted along an insertion axis into the receptacle. The receptacle includes an insertion receiving region formed to be compatible with the insertion section of the battery pack and a grip section receiving region. The insertion section of the battery pack when inserted into the receptacle is arranged within an outer wall of the housing. The grip section of the battery pack when inserted into the receptacle is arranged outside the outer wall of the housing. The outer wall delimits the grip section receiving region in a first section and in a second section in a radial direction with respect to the insertion axis. A system includes a handheld electric tool and a battery pack.
B25F 5/02 - Structure des boîtiers, corps ou poignées
10.
Method and Monitoring System for Automatically Monitoring a Working and/or Storage Environment of at Least One Mobile Component of a Gardening, Forestry, Construction, Ground-Processing and/or Transport System
A method automatically monitors a working and/or storage environment of at least one mobile component of a gardening, forestry, construction, ground-processing and/or transport system that includes at least one motor-powered gardening, forestry, construction, ground-processing and/or mobile transport device. The component has a temperature sensor designed to detect a temperature of the working and/or storage environment. The method a) detects the temperature using the temperature sensor, and b) if a set of ambient fire criteria is met, wherein the set of ambient fire criteria is characteristic of a fire in the working and/or storage environment and includes at least one fire temperature criterion, wherein the fire temperature criterion is to be met by the detected temperature or a quantity based on the detected temperature, outputs and/or transmits an ambient fire alarm signal to a fire alarm system.
G08B 17/00 - Alarmes d'incendie; Alarmes réagissant à une explosion
A62C 3/02 - Prévention, limitation ou extinction des incendies spécialement adaptées pour des objets ou des endroits particuliers pour des zones d'embrasement, p.ex. des incendies de forêts, des feux souterrains
11.
Arrangement of a mowing head, an output shaft for receiving a mowing head and a fastening device for fixing the mowing head on the output shaft, and work apparatus with such an arrangement
An assembly includes a mowing head (3), an output shaft (8), and a fastening device (10). The output shaft (8) is drivable in rotation about an axis of rotation (9). The assembly (2) has an anti-rotation lock (11) and an axial lock (16). The mowing head (3) is held corotatingly on the output shaft (8) by the anti-rotation lock (11). The axial lock (16) locks the mowing head (3) in a blocking position (30) of the output shaft (8) against a relative movement in the direction of the axis of rotation (9) of the output shaft (8) and in an inoperative position (31) releases the mowing head (3) for detachment from the output shaft (8). The fastening device (10) includes an actuating element (24) accessible to the operator. The axial lock (16) is switchable into the blocking position (30) and into the inoperative position (31) by the actuating element (24).
A01D 34/416 - Faucheuses; Appareils de fauchage des moissonneuses caractérisés par des particularités relatives au type d'appareil de coupe comportant des couteaux rotatifs sous forme de fils flexibles
12.
Method and System for Operating an Autonomous Mobile Green Area Maintenance Robot
A method is provided for operating an autonomous mobile green area maintenance robot. The green area maintenance robot has a maintenance tool, wherein a maintenance height of the maintenance tool is adjustable. The method monitors whether a criterion for being stuck is satisfied, wherein the criterion for being stuck is characteristic of a contact part of the maintenance tool of the green area maintenance robot being stuck, and increases the maintenance height if the criterion for being stuck is satisfied.
A two-stroke engine possesses a cylinder, in the cylinder bore of which a combustion chamber is formed. The combustion chamber is bounded by a reciprocating piston, which drives a crankshaft rotatably mounted in a crankcase. A crankcase interior is fluidically connected to the combustion chamber across at least one transfer channel in at least one position of the piston. The at least one transfer channel emerges with a discharge opening in the crankcase interior and with at least one transfer window on the cylinder bore. It is proposed that all transfer channels have an average length as measured from the discharge opening to the transfer window, the average length being at least 1.5 in relation to the stroke, and that the volume of the crankcase interior including all transfer channels is at most 3.1 in relation to the piston displacement.
A two-stroke engine includes a cylinder having a combustion chamber. The combustion chamber is delimited by a piston guided in a reciprocating manner in the cylinder and drives a crankshaft. A first intake channel opens into the crankcase interior. A transfer channel opens into the crankcase interior via a transfer window on a cylinder bore of the cylinder and via a passage opening. A second intake channel is provided for supplying scavenging air to the transfer channel. The first intake channel and the second intake channel are configured for supplying air. An injection valve configured for injecting the entire quantity of fuel to be supplied to the engine directly into the crankcase interior is disposed on the crankcase. A method for operating a two-stroke engine provides that the entire quantity of fuel to be supplied to the engine via a metering installation is supplied directly to the crankcase interior.
F02B 33/04 - Moteurs avec pompes à piston alternatif; Moteurs avec pompes sous carter de l'arbre-manivelle avec pompes simples sous carter de l'arbre-manivelle, c. à d. avec la face arrière d'un piston moteur non étagé, agissant comme unique organe de pompage travaillant en conjonction avec le carter
F02B 25/00 - Moteurs caractérisés par l'utilisation d'une charge neuve pour balayer les cylindres
F02F 3/24 - Pistons comportant des moyens pour guider les gaz dans les cylindres, p.ex. pour guider la charge de balayage dans les moteurs à deux temps
F02F 1/22 - Autres cylindres caractérisés par la présence de lumières dans les parois du cylindre pour le balayage ou l'alimentation
F02D 9/02 - Commande des moteurs par étranglement des conduits d'amenée de l'air ou du mélange air-combustible ou par étranglement des conduits d'échappement par étranglement des conduits d'amenée
F02M 35/10 - Tubulures d'admission de l'air; Systèmes d'introduction
F02B 33/30 - Commande des orifices d'admission ou d'échappement
F02M 61/14 - Disposition des injecteurs par rapport aux moteurs; Montage des injecteurs
A pressure washer includes a main line through which, via a high-pressure pump, liquid can be conveyed to a spray opening, and a main valve. The main valve, when in a closed state, prevents liquid from flowing through the main line and, when in an open state, allows liquid to flow through the main line. The main valve is switchable between open and closed via an operator-controlled element. The main line has a suction chamber between the connection and the pump and a pressure chamber between the pump and the spray opening. The pressure chamber is fluidically connected to the suction chamber via a bypass line. A free cross-sectional area of the bypass line is settable via a bypass valve in the bypass line for regulating pressure in the pressure chamber. The bypass valve is adjustable via the operator-controlled element for setting the free cross-sectional area of the bypass line.
A work apparatus includes a housing, an electric motor arranged in the housing, the electric motor including a rotor shaft driven rotationally about a rotor axis, an output shaft for driving a tool, the output shaft being connected with a form fit to the rotor shaft on a receptacle of the rotor shaft, and a flange supported on the housing. The rotor shaft is mounted rotatably via a rotor shaft bearing arranged in the flange, the rotor shaft bearing extending along a bearing section in the direction of the rotor axis, and wherein the output shaft extends at least as far as the bearing section of the rotor shaft bearing.
A01D 34/416 - Faucheuses; Appareils de fauchage des moissonneuses caractérisés par des particularités relatives au type d'appareil de coupe comportant des couteaux rotatifs sous forme de fils flexibles
B25F 5/02 - Structure des boîtiers, corps ou poignées
17.
Battery Charging Management System and Battery Charging Management Method
A battery charging management system and method for a battery fleet having a plurality of rechargeable, communication-enabled, battery units, includes a charging management base configured for transmitting charging setting information for the battery units, a plurality of user terminals configured for transmitting battery-charging-related user predefinition information, a respective charging control unit in each of the battery units, and a communication connection for data transfer between the charging management base at one end and the battery units at the other end and between the user terminals at one end and the charging management base and/or the battery units at the other end. The charging setting information and/or the user predefinition information includes charging mode information with regard to a plurality of different charging modes for the battery units. The charging setting information and/or the user predefinition information are able to be fed to the charging control unit in the respective battery unit via the communication connection. The respective charging control unit is configured, for the purpose of performing a charging process of its battery unit coupled to a charger, to define associated charging parameter desired value information depending on the charging setting information and/or user predefinition information fed and to communicate it to the charger.
H02J 7/00 - Circuits pour la charge ou la dépolarisation des batteries ou pour alimenter des charges par des batteries
B60L 53/62 - Surveillance et commande des stations de charge en réponse à des paramètres de charge, p.ex. courant, tension ou charge électrique
B60L 53/65 - Surveillance et commande des stations de charge impliquant l'identification des véhicules ou de leurs types de batteries
B60L 53/66 - Transfert de données entre les stations de charge et le véhicule
18.
Method and System for Determining at Least One Use Parameter for at Least One Rechargeable Battery Pack for Using a Charger Device for Charging User-Exchangeable Rechargeable Battery Packs for Driving at Least One Mobile Device
A method determines a use parameter for a rechargeable battery pack for using a charger device that charges user-exchangeable rechargeable battery packs for driving a mobile device. A means of transport includes the charger device. The method ascertains state and rated variables of the rechargeable battery packs relating to a possible charging of the rechargeable battery packs by the charger device; ascertains possible use time durations of the rechargeable battery packs for possibly using the charger device relating to a possible charging of the rechargeable battery packs by the charger device; and determines the use parameter for at least one of the rechargeable battery packs for using the charger device by linking the ascertained state and rated variables and the ascertained possible use time durations taking account of a use limit of the charger device.
H01M 10/46 - Accumulateurs combinés par structure avec un appareil de charge
G01R 31/387 - Détermination de la capacité ampère-heure ou de l’état de charge
G01R 31/371 - Dispositions pour le test, la mesure ou la surveillance de l’état électrique d’accumulateurs ou de batteries, p.ex. de la capacité ou de l’état de charge avec indication à distance, p.ex. sur des chargeurs séparés
19.
A Polymer and a Product or Article Comprising or Consisting of the Polymer
A polymer having a backbone chain, wherein the backbone chain includes linear amide linkages and nitrogen-atom-containing heteromonocyclic moieties, wherein the backbone chain is free of peptide linkages or wherein the backbone chain has a proportion of peptide linkages of maximum 30%, based on a total number of the linear amide linkages of the backbone chain, and wherein the nitrogen-atom-containing heteromonocyclic moieties have a proportion of 5% by weight to 25% by weight, based on the total weight of the polymer, is provided. A product or article and the use of the polymer for manufacturing or producing the product or article are further provided.
C08G 69/26 - Polyamides dérivés, soit des acides amino-carboxyliques, soit de polyamines et d'acides polycarboxyliques dérivés de polyamines et d'acides polycarboxyliques
C08G 69/36 - Polyamides dérivés, soit des acides amino-carboxyliques, soit de polyamines et d'acides polycarboxyliques dérivés d'aminoacides, de polyamines et d'acides polycarboxyliques
Method for Determining Information About a Change of a Mobile Gardening, Forestry, Construction or Soil-Working Device, Mobile Gardening, Forestry, Construction or Soil-Working Device and System
A method determines information about a change of a mobile gardening, forestry, construction or soil-working device, wherein the gardening, forestry, construction or soil-working device has a motor drive system. The method includes: a) repeated detection of a characteristic variable of the motor drive system in respect of time, b) comparison of at least one first value of the detected characteristic variable or a variable based on it from a first time period and at least one second value of the detected characteristic variable or the variable based on it from a second time period with one another, and c) storage of the information about the change of the gardening, forestry, construction or soil-working device depending on a result of the comparison.
G01D 21/02 - Mesure de plusieurs variables par des moyens non couverts par une seule autre sous-classe
B25F 5/00 - OUTILS COMBINÉS OU À USAGES MULTIPLES NON PRÉVUS AILLEURS; DÉTAILS OU PARTIES CONSTITUTIVES D'OUTILS PORTATIFS À MOTEUR SANS RELATION SPÉCIFIQUE AVEC LES OPÉRATIONS EXÉCUTÉES ET NON PRÉVUS AILLEURS - Détails ou parties constitutives d'outils portatifs à moteur sans relation spécifique avec les opérations exécutées et non prévus ailleurs
A self-driving work apparatus has a chassis, at least one tool and a hood. The hood is movably mounted on the chassis via at least one bearing. The bearing allows a movement of the hood relative to the chassis in a vertical direction in the park position and in a horizontal direction. The bearing has a support which is pivotably connected to the hood and has a first support surface which rests on a second support surface of the chassis. A reference axis of the support pivots about a pivot angle when the support pivots from a rest position into a maximally tilted position. At least one of the support surfaces is formed convex such that the first support surface rolls on the second support surface at least in a partial angular region when the first support surface pivots about a horizontal pivot axis.
A portable work apparatus comprises a housing (2) and a tool (9). A drive motor (5) is arranged in the housing (2) between the first end (3) and the second end (4) and has a drive shaft (7) for driving the tool (9). The drive motor (5) has a first bearing (12) and a second bearing (13). The drive shaft (7) is rotatably (11) supported relative to the housing (2) by means of the first bearing (12) and the second bearing (13). A drive transmission unit (8) is functionally arranged between the drive motor (5) and the tool (9). The work apparatus (1) has additional bearing (14) for supporting the drive shaft (7) relative to the housing (2) of the work apparatus (1) arranged on the drive shaft (7).
B25F 5/00 - OUTILS COMBINÉS OU À USAGES MULTIPLES NON PRÉVUS AILLEURS; DÉTAILS OU PARTIES CONSTITUTIVES D'OUTILS PORTATIFS À MOTEUR SANS RELATION SPÉCIFIQUE AVEC LES OPÉRATIONS EXÉCUTÉES ET NON PRÉVUS AILLEURS - Détails ou parties constitutives d'outils portatifs à moteur sans relation spécifique avec les opérations exécutées et non prévus ailleurs
F16C 19/14 - Paliers à contact de roulement pour mouvement de rotation exclusivement avec roulements à billes essentiellement du même calibre, en une ou plusieurs rangées circulaires pour charges à la fois radiales et axiales
F16C 19/54 - Systèmes formés d'une pluralité de paliers à frottement de roulement
The disclosure is directed to an ignition circuit for a combustion engine. The combustion engine has a piston movable between a top dead center and a bottom dead center and, via a connecting rod, drives a crankshaft. Combustion air is apportioned via an intake channel. A control circuit provides an ignition time for the idling situation and an ignition time for the acceleration situation. To adjust an early switch to an ignition time for the acceleration situation, provision is made to monitor the rotational speed of the crankshaft over a crankshaft angle range and to detect the value of a drop in rotational speed. The value of the detected drop in rotational speed is compared to a predetermined value of a drop in rotational speed and, when the predetermined value of the drop in rotational speed is exceeded, a switch is made to the ignition time for the acceleration situation.
A method for operating an autonomous mobile processing robot includes the following steps: a) acquiring an item of color information about a color of an object by use of a color measuring principle and acquiring an item of chlorophyll information about a chlorophyll content of the object by use of a chlorophyll measuring principle independently of the color measuring principle, b) determining a control type from a set of different control types of the processing robot based on at least the acquired color information and the acquired chlorophyll information, and c) controlling the processing robot according to the determined control type.
G05D 1/02 - Commande de la position ou du cap par référence à un système à deux dimensions
A01D 34/00 - Faucheuses; Appareils de fauchage des moissonneuses
G06T 7/90 - Détermination de caractéristiques de couleur
G05D 1/00 - Commande de la position, du cap, de l'altitude ou de l'attitude des véhicules terrestres, aquatiques, aériens ou spatiaux, p.ex. pilote automatique
A handheld work apparatus comprises an actuating element (8) for actuating a drive motor (3), and a blocking element (9) arranged on a top side (6) of a handle portion (5). The blocking element (9) is operatively connected to the actuating element (8). A control circuit (17) for controlling the drive motor (3) is provided. A switch (15) can be actuated via the blocking element (9) and has a switching element (16). The switch (15) sends a signal to the control circuit (17) in an activated state. The switch (15) is arranged in the handle portion (5) between the blocking element (9) and a bottom side (7) of the handle portion (5) and is oriented such that the switching element (16) of the switch (15) faces the bottom side (7) of the handle portion (5).
The invention relates to a hand-carried work apparatus with a housing (2), with a drive motor (3) arranged in the housing (2), wherein the drive motor (3) drives a tool (5) arranged at the front end (30) of the housing (2), wherein a first electrical functional element (13) is arranged in the housing (2), and wherein at least one second electrical functional element (14) is arranged on the outside (12) of the front handle (6), wherein the first electrical functional element (13) is connected to the second functional element (14) via at least one connecting cable (15), and wherein the at least one connecting cable (15) is arranged at least partially in the interior space (10) of the front handle (6) in the area of the side section (33) of the front handle (6).
B25F 5/02 - Structure des boîtiers, corps ou poignées
H05B 3/34 - Eléments chauffants ayant une surface s'étendant essentiellement dans deux dimensions, p.ex. plaques chauffantes flexibles, p.ex. grillages ou tissus chauffants
A saw chain includes connecting links and drive links that are mutually connected by rivets in an articulated manner about rivet axes. The rivets project through at least one rivet opening of one connecting link and through a rivet opening of a drive link. At least one rivet has, on one end face thereof, a depression having a depression edge and a depression base surrounded by the depression edge. The distance of the depression edge from a central plane of the saw chain increases at an increasing radial distance from the rivet axis. The distance (e) of the base from the central plane does not increase at any point of the base at an increasing radial distance from the rivet axis. A greatest distance (a) of the base from the rivet axis corresponds to 50% to 100% of half the core diameter (d) of the rivet.
The disclosure relates to a portable work apparatus. The work apparatus includes a spacer which is arranged on the front housing and has a contact region. The contact region has a maximum distance, as measured radially, with respect to the rotational axis of the output shaft, the distance being greater than the cutting radius of the cutting tool in a first, non-deformed state of the spacer. The spacer is elastically deformable. The spacer is elastically deformed in a second state in such a manner that the maximum distance of the contact region is at most the same size as the cutting radius, and the spacer is arranged completely outside the cutting plane of the cutting tool.
A01D 75/18 - Dispositifs de sécurité pour certaines parties des machines
A01D 34/90 - Faucheuses; Appareils de fauchage des moissonneuses spécialement adaptés à des usages particuliers destinés à être portés par l'opérateur
A01D 34/68 - Faucheuses; Appareils de fauchage des moissonneuses caractérisés par des particularités relatives au type d'appareil de coupe comportant des couteaux rotatifs comportant des couteaux tournant autour d'un axe vertical dirigés à la main par un opérateur à pied à couteaux ou à roues entraînés par un moteur
The disclosure relates to an electric blower apparatus having a blower spiral which has a first axial end wall, a second axial end wall and a blower air outlet. An electric motor which drives a fan wheel rotating in the blower spiral is held on the first axial end wall, the fan wheel inducting ambient air by way of an intake opening in the second axial end wall. A cover element, the cover surface thereof being configured so as to be larger than the air inlet surface of the intake opening, is disposed in front of the intake opening. To induct a large quantity of ambient air with little noise, it is provided that the cover element is configured as a cover plate, wherein an annular gap which forms the intake channel for the direct access of ambient air is configured between the plate edge and the blower spiral.
The disclosure relates to an electric blower apparatus having a blower spiral and a fan wheel rotating in the blower spiral. For driving the fan wheel, an electric motor is disposed on an axial end face of the blower spiral, the drive shaft of the electric motor protruding through a shaft opening in the axial end face and into the blower spiral and being connected to the fan wheel. Configured in the axial end face of the blower spiral is a cooling air opening by way of which a cooling air flow that flows about the electric motor is routed. To guarantee sufficient cooling of the driving electric motor at a minimal consumption of electric energy, it is provided that the cooling air opening is disposed in a pressure region of the blower spiral such that the cooling air flow to the electric motor is a pressurized air flow.
B25F 5/00 - OUTILS COMBINÉS OU À USAGES MULTIPLES NON PRÉVUS AILLEURS; DÉTAILS OU PARTIES CONSTITUTIVES D'OUTILS PORTATIFS À MOTEUR SANS RELATION SPÉCIFIQUE AVEC LES OPÉRATIONS EXÉCUTÉES ET NON PRÉVUS AILLEURS - Détails ou parties constitutives d'outils portatifs à moteur sans relation spécifique avec les opérations exécutées et non prévus ailleurs
The disclosure relates to an electric blower apparatus having a back plate, for carrying on the back of a user. The back plate has a plate axis, oriented in the vertical direction, an upper plate section and a lower plate section. The blower spiral of the blower apparatus comprises an axial end face, to which an electric motor is fixed having a drive shaft which is connected to a fan wheel. For the supply of energy, a battery pack is provided, which is arranged in a receiving space between the first, upper plate section of the back plate and the blower spiral. The housing shaft comprises an insertion opening which faces away from the electric motor.
A self-propelled work apparatus, especially a lawnmower, includes a chassis, at least one tool and a drive motor for driving the tool. The tool is height-adjustable with respect to the chassis. A setting unit is provided to set the relative position of the tool with respect to the chassis. The setting unit includes an actuating motor and a setting gear. The setting gear rotates by less than one full revolution between a first, lower end position of the tool and a second, upper end position of the tool. A detection device is provided to detect the height position of the tool. The detection device includes encoding elements on the setting gear and at least one detector. The at least one first encoding element for the first end position differs from the at least one second encoding element for the second end position.
A handheld work apparatus has a motor unit including a drive motor for driving a tool and a handle unit including a handle. The motor unit and the handle unit are interconnected via at least one antivibration element. A first antivibration element includes a coil spring. A first holding element is attached in a first end of the coil spring. A second holding element is attached in a second end of the coil spring. The first holding element is firmly connected to the motor unit. The second holding element is firmly connected to the handle unit. The holding elements have end faces located in an interior of the coil spring. The end faces have centering elements that can come into contact with each other and thereby center the holding elements with respect to each other. The end faces form a stop for the movement of the handle.
B25F 5/00 - OUTILS COMBINÉS OU À USAGES MULTIPLES NON PRÉVUS AILLEURS; DÉTAILS OU PARTIES CONSTITUTIVES D'OUTILS PORTATIFS À MOTEUR SANS RELATION SPÉCIFIQUE AVEC LES OPÉRATIONS EXÉCUTÉES ET NON PRÉVUS AILLEURS - Détails ou parties constitutives d'outils portatifs à moteur sans relation spécifique avec les opérations exécutées et non prévus ailleurs
35.
METHOD FOR DETERMINING A SHARPNESS CONDITION OF A SAW CHAIN OF A CHAIN SAW
The disclosure relates to a method for determining a sharpness condition of a saw chain of a chain saw. The saw chain includes at least one cutting link having an upper cutting blade. An upper cutting blade image of the upper cutting blade of the cutting link is recorded using an imaging device. An evaluation of the upper cutting blade image is performed using an evaluation unit, which includes an artificial neural network. A sharp condition and a dull condition of the saw chain are defined in the evaluation unit. The saw chain is assigned on the basis of the upper cutting blade image using the artificial neural network to the sharp condition or the dull condition.
A method for ascertaining, without an encoder, a rotational angle position of the rotor of a brushless DC motor, includes the steps of: detecting a voltage induced in a stator of the brushless DC motor; checking whether the voltage induced in the stator is lower than a threshold value; and if the induced voltage is lower than the threshold value, then ascertaining an initial rotational angle position of the rotor based on an Indirect Flux detection by Online Reactance Measurement, and subsequently updating the rotational angle position proceeding from the calculated initial rotational angle position using at least one continuous test signal.
H02P 6/182 - Dispositions de circuits pour détecter la position sans éléments séparés pour détecter la position utilisant la force contre-électromotrice dans les enroulements
H02K 7/14 - Association structurelle à des charges mécaniques, p.ex. à des machines-outils portatives ou des ventilateurs
37.
DRIVE LINK FOR A SAWCHAIN, AND AN ARRANGEMENT OF A PLURALITY OF DRIVE LINKS FOR A SAWCHAIN
A drive link for a sawchain is disclosed wherein the drive link has a top side which faces away from an opening plane defined by the respective axes of the rivet openings and extends at least partially at the drive link apex. A functional surface and a contact surface spaced apart from the functional surface are provided on the top side of the drive link. The functional surface is formed on the drive link apex and includes a section of the top side in which the top side is at a maximum spacing from the opening plane. The functional surface of the top side of the drive link is point-symmetric to a symmetry point with respect to the contact surface in the viewing direction toward the drive link plane.
An autonomous mobile outdoor ground treatment robot includes an at least upper-side outer contour and a display screen device. The at least upper-side outer contour includes a contour face in a plan view of the outdoor ground treatment robot. The display screen device comprises a display screen face. The size of the display screen face in plan view of the outdoor ground treatment robot is at least 5% of a size of the contour face.
A fuel feed unit has a base body with an intake channel section, into which a fuel opening opens. A partition wall section divides the intake channel section into a mixture channel and an air channel. The wall section has a recess in which the throttle flap at least partially lies in an end position. The wall section has, upstream of the recess, a continuous surface facing the mixture channel and which has lateral sections adjacent to the channel wall and a middle section running between the lateral sections. The lateral sections have, upstream of the throttle flap, a separation edge for the flow. In the end position, the side of the throttle flap facing the mixture channel defines a reference plane which divides the unit into a first region and a second region. The lateral sections extend, at least directly upstream of the recess, into the second region.
F02B 25/14 - Moteurs caractérisés par l'utilisation d'une charge neuve pour balayer les cylindres utilisant le balayage à flux inversé, p.ex. avec les orifices d'admission et d'échappement disposés près du point mort bas de la course du piston
F02M 35/10 - Tubulures d'admission de l'air; Systèmes d'introduction
F02B 25/22 - Moyens pour réduire le mélange de la charge et des résidus de la combustion ou pour empêcher la fuite de la charge neuve à travers les orifices d'échappement, non couverts par les groupes ou présentant un intérêt autre que celui visé par ces groupes par coussin d'air entre la charge et les résidus de la combustion
F02M 35/108 - Collecteurs d'admission avec des conduits d'admission primaires et secondaires
A guide bar for a chainsaw has a middle section which forms a groove base of a guide groove. The middle section has an edge layer which includes at least one hardened region extending from a first end having a first edge layer depth to a second end having a second edge layer depth. The first edge layer depth at the first end is less than the second edge layer depth at the second end. The second edge layer depth at the second end is greater than 1 mm. The first edge layer depth at the first end of the hardened region is at most 3 mm.
A high-pressure cleaning appliance includes a connection for a liquid source, a delivery pump, a motor for driving the delivery pump, a delivery line through which liquid can be delivered from the connection to a spraying-out opening of the delivery line via the delivery pump, and a valve which is arranged in the delivery line. The motor has two operating states. The two operating states include an off state and an on state. The valve has two valve states, wherein the two valve states include a closed state and an open state. In the closed state, the valve prevents a flow of liquid through the delivery line. In the open state, the valve allows a flow of liquid through the delivery line. The high-pressure cleaning appliance is structurally configured in such a way that the adjustment of the operating state of the motor is possible only if the valve is in the open state.
B08B 3/02 - Nettoyage par la force de jets ou de pulvérisations
B05B 9/04 - Appareillages de pulvérisation pour débiter des liquides ou d'autres matériaux fluides, n'impliquant pas de mélange avec des gaz ou des vapeurs caractérisés par les moyens d'alimentation en liquide ou en autre matériau fluide comportant une pompe
B05B 12/08 - Aménagements de commande de la distribution; Aménagements de réglage de l’aire de pulvérisation sensibles à l'état du liquide ou d'un autre matériau fluide expulsé, du milieu ambiant ou de la cible
42.
Method for Operating a Hand-Guided Processing Device and Processing System
A method operates a hand-guided processing device having a user-activated operating sensor device with a plurality of different detection positions. The method involves the steps: a) detecting a sequence of activations of the operating sensor device at different detection positions of the plurality of detection positions, and b) when the detected sequence corresponds to a given sequence, calibrating the operating sensor device for at least one detection position of the plurality of detection positions based on at least one of the activations of the detected activations.
B60W 50/12 - Limitation de la possibilité de commande du conducteur en fonction de l'état du véhicule, p.ex. moyens de verrouillage des grandeurs d'entrées pour éviter un fonctionnement dangereux
G01D 5/24 - Moyens mécaniques pour le transfert de la grandeur de sortie d'un organe sensible; Moyens pour convertir la grandeur de sortie d'un organe sensible en une autre variable, lorsque la forme ou la nature de l'organe sensible n'imposent pas un moyen de conversion déterminé; Transducteurs non spécialement adaptés à une variable particulière utilisant des moyens électriques ou magnétiques influençant la valeur d'un courant ou d'une tension en faisant varier la capacité
G01D 5/16 - Moyens mécaniques pour le transfert de la grandeur de sortie d'un organe sensible; Moyens pour convertir la grandeur de sortie d'un organe sensible en une autre variable, lorsque la forme ou la nature de l'organe sensible n'imposent pas un moyen de conversion déterminé; Transducteurs non spécialement adaptés à une variable particulière utilisant des moyens électriques ou magnétiques influençant la valeur d'un courant ou d'une tension en faisant varier la résistance
43.
Method and System for Determining at Least One Power Contact Resistance
A method determines at least one power contact resistance or at least one resistance value corresponding to the at least one power contact resistance between at least one pack power contact of a battery pack and at least one apparatus power contact of an electrically driven work apparatus or of a charging apparatus. The pack power contact and the apparatus power contact touch one another and are loaded with a power current. The battery pack and the work apparatus or the charging apparatus are electrically connected by a data communication line for transmitting a data communication signal. The method determines the power contact resistance or the resistance value by comparing a signal voltage variable of the data communication line and a power voltage variable of the at least one pack power contact or of the apparatus power contact with one another, wherein the signal voltage variable or the power voltage variable is dependent on a voltage drop caused by the power current and the at least one power contact resistance.
G01R 31/389 - Mesure de l’impédance interne, de la conductance interne ou des variables similaires
G01R 31/385 - Dispositions pour mesurer des variables des batteries ou des accumulateurs
G01R 31/396 - Acquisition ou traitement de données pour le test ou la surveillance d’éléments particuliers ou de groupes particuliers d’éléments dans une batterie
The disclosure concerns a fan wheel, including a base body with a rotational axis, and a swing part. The base body is made of a first material and the swing part is made of a second material. The density of the second material and the density of the first material are different. The swing part has a surface. The swing part is at least partially surrounded by the base body, so that the base body covers at least 80%, in particular at least 90%, preferably at least 95% of the surface of the swing part. The first material has a first thermal expansion coefficient, and the second material has a second thermal expansion coefficient. The second thermal expansion coefficient amounts to 70% to 110%, in particular 80% to 100%, preferably 85% to 95% of the first thermal expansion coefficient, and/or the swing part is substantially annular and runs fully closed around the rotational axis.
A power tool has a first electrical energy store and an operating data detection device for detecting operating data of the power tool. The operating data detection device includes an integrated circuit for wirelessly transmitting detected operating data. The power tool has a second electrical energy store, wherein the integrated circuit can be supplied from the first electrical energy store or from the second electrical energy store. The power tool has a circuit for reducing the rate of voltage rise, which circuit is designed to reduce a rate of voltage rise of a supply voltage of the integrated circuit when the supply of the integrated circuit from the second energy store is switched over to the first energy store.
A handheld power tool has an electric connecting socket and a handle for handling the power tool. The handle includes a plurality of components, wherein at least one component of the handle is used as a mounting of the electric connecting socket.
B25F 5/00 - OUTILS COMBINÉS OU À USAGES MULTIPLES NON PRÉVUS AILLEURS; DÉTAILS OU PARTIES CONSTITUTIVES D'OUTILS PORTATIFS À MOTEUR SANS RELATION SPÉCIFIQUE AVEC LES OPÉRATIONS EXÉCUTÉES ET NON PRÉVUS AILLEURS - Détails ou parties constitutives d'outils portatifs à moteur sans relation spécifique avec les opérations exécutées et non prévus ailleurs
An outdoor treatment system has an autonomous mobile outdoor treatment robot and a sensor and control device. The outdoor treatment robot has a chassis and a contact element. The chassis is designed to execute a travelling movement of the outdoor treatment robot in a direction of travel. The contact element is designed to execute an avoiding movement in an avoiding direction as a result of the travelling movement in the direction of travel and contact between an obstacle and a lower contact point below a height limit and to execute a detection movement in a detection direction as a result of the travelling movement in the direction of travel and contact between an obstacle and an upper contact point at or above the height limit and is mounted so that it can move with respect to the chassis, wherein the avoiding direction and the detection direction are different. The sensor and control device is designed to detect the detection movement or a movement caused by the detection movement, and to control a protective function of the outdoor treatment robot triggered by the detected detection movement or the detected movement. The sensor and control device does not detect or evaluate the avoiding movement or a movement caused by the avoiding movement.
A method operates a forest communication system having multiple mobile communication apparatus, the communication apparatus each including an output and input device. The output and input device is designed for the output and input of work process data relevant to one member in a working group about work steps on tree sections that are to be worked on and/or have been worked on. The method reconciles the work process data between the communication apparatus in a peer-to-peer network by way of wireless transmission on the basis of a medium-range transmission technology.
H04L 67/12 - Protocoles spécialement adaptés aux environnements propriétaires ou de mise en réseau pour un usage spécial, p.ex. les réseaux médicaux, les réseaux de capteurs, les réseaux dans les véhicules ou les réseaux de mesure à distance
G06Q 10/06 - Ressources, gestion de tâches, des ressources humaines ou de projets; Planification d’entreprise ou d’organisation; Modélisation d’entreprise ou d’organisation
A cordless device includes a battery bay, a guiding web of a first type and a guiding web of a second type, different than the guiding web of the first type. The battery bay is designed for the exchangeable reception of a battery pack. The guiding web of the first type is designed for touching the battery pack in at least one guiding groove of the battery pack on at least one circumferential side of the battery pack for the guided positioning of the battery pack in a first direction in the battery bay. The guiding web of the second type is designed for touching the battery pack on at least one circumferential surface of the battery pack on at least the same circumferential side of the battery pack for the guided positioning of the battery pack in a second direction, different from the first direction, in the battery bay.
H01M 50/244 - Boîtiers secondaires; Bâtis; Dispositifs de suspension; Dispositifs de manutention; Supports caractérisés par leur procédé de montage
H01M 50/264 - Montures; Boîtiers secondaires ou cadres; Bâtis, modules ou blocs; Dispositifs de suspension; Amortisseurs; Dispositifs de transport ou de manutention; Supports avec des moyens de fixation, p.ex. des serrures pour des cellules ou des batteries, p.ex. cadres périphériques, courroies ou tiges
H01M 50/247 - Montures; Boîtiers secondaires ou cadres; Bâtis, modules ou blocs; Dispositifs de suspension; Amortisseurs; Dispositifs de transport ou de manutention; Supports spécialement adaptés aux dispositifs portatifs, p.ex. aux téléphones portables, aux ordinateurs, aux outils à main ou aux stimulateurs cardiaques
50.
Exhaust muffler, two-stroke engine or four-stroke engine having an exhaust muffler, and catalytic converter for an exhaust muffler
An exhaust muffler has an exhaust inlet, an exhaust outlet, as well as a catalytic converter which, in the flow direction, is disposed between the exhaust inlet and the exhaust outlet. The catalytic converter has at least one throughflow body which includes at least one wire body. At least one first component region of the throughflow body is coated with a catalytically functioning coating. The throughflow body moreover has a second component region which in terms of volume has a smaller quantity of catalytically functioning coating than the first component region.
B01D 53/94 - Epuration chimique ou biologique des gaz résiduaires des gaz d'échappement des moteurs à combustion par des procédés catalytiques
F01N 13/00 - Silencieux ou dispositifs d'échappement caractérisés par les aspects de structure
F01N 3/20 - Silencieux ou dispositifs d'échappement comportant des moyens pour purifier, rendre inoffensifs ou traiter les gaz d'échappement pour rendre les gaz d'échappement inoffensifs par conversion thermique ou catalytique des composants nocifs des gaz d'échappement caractérisés par les méthodes d'opération; Commande spécialement adaptés à la conversion catalytique
51.
HANDHELD PORTABLE CUTTING APPARATUS HAVING A CUTTER UNIT
A handheld portable cutting apparatus has a cutter unit with a cutter unit longitudinal axis. In a central housing section of the cutting apparatus, a drive connection is arranged between an electric drive motor and the cutter unit, wherein a motor housing having a motor housing longitudinal axis extends from the central housing section. A handle extends from the central housing section in a handle longitudinal axis. The cutter unit includes a guide bar with a saw chain circulating thereon, wherein, in a side view onto the cutting apparatus, the point of intersection between the handle longitudinal axis and the motor housing longitudinal axis and also the point of intersection between the handle longitudinal axis and the cutter unit longitudinal axis lie in the central housing section.
A hand-guided work apparatus has a handle having a first and a second operator-controlled element pivotably mounted thereon. The handle surrounds a guide tube. The first element can activate a motor. The guide tube defines a central plane containing a longitudinal axis. The plane is oriented parallel to a first axis of the first element. The first element projects out of the handle on a first side of the plane. The second element is pivotably mounted on a first and a second pivot bearing arranged on opposite sides of the plane. The tube projects through an opening in the second element. A third operator-controlled element can pivot about a third axis. In its actuated position, the third element holds the second element in its actuated position via a holder. The second axis of the second element lies in a plane extending perpendicular to a fourth axis of the holder.
B25F 5/02 - Structure des boîtiers, corps ou poignées
A01D 34/416 - Faucheuses; Appareils de fauchage des moissonneuses caractérisés par des particularités relatives au type d'appareil de coupe comportant des couteaux rotatifs sous forme de fils flexibles
A01D 34/90 - Faucheuses; Appareils de fauchage des moissonneuses spécialement adaptés à des usages particuliers destinés à être portés par l'opérateur
A guard for an intake channel or blow channel of a power tool has a first rib with a longitudinal direction, wherein the first rib has a first rib section that extends along the longitudinal direction of the first rib from a first end to a second end of the first rib section. The first rib section has an inherent frequency. One or more first disruptive bodies are arranged on the first rib section between the first end and the second end of the first rib section. The first disruptive bodies are configured to translatorily vibrate together with the first rib section. The first rib section and the one or more first disruptive bodies form a vibration system with a system inherent frequency, wherein the inherent frequency of the first rib section is different from the system inherent frequency.
A battery pack for exchangeable insertion into a receiving compartment delimited by an inner wall has a housing accommodating battery cells. The housing has a basic shape with an upright side and first and second end walls opposite each other. The upright side extends in upright direction of the housing between the first and second end walls. The upright side has an outer surface and longitudinal ribs arranged thereon and extending in upright direction. The longitudinal ribs have a height measured in upright direction and are positioned at a distance from each other. The distance is measured transversely to the upright direction. The longitudinal ribs delimit together with the outer surface of the upright side a cooling groove extending in upright direction. The longitudinal ribs are designed along the height such that the cooling groove can delimit, together with the inner wall, a cooling channel extending in upright direction.
H01M 10/613 - Refroidissement ou maintien du froid
B25F 5/02 - Structure des boîtiers, corps ou poignées
B25F 5/00 - OUTILS COMBINÉS OU À USAGES MULTIPLES NON PRÉVUS AILLEURS; DÉTAILS OU PARTIES CONSTITUTIVES D'OUTILS PORTATIFS À MOTEUR SANS RELATION SPÉCIFIQUE AVEC LES OPÉRATIONS EXÉCUTÉES ET NON PRÉVUS AILLEURS - Détails ou parties constitutives d'outils portatifs à moteur sans relation spécifique avec les opérations exécutées et non prévus ailleurs
H01M 50/204 - Bâtis, modules ou blocs de multiples batteries ou de multiples cellules
A charger has a plurality of electrical interfaces, wherein a respective electrical interface is able to be coupled to an electrical energy store to be charged, in order to charge the electrical energy store to be charged. A common charge line of the charger carries a charging potential, in particular a positive charging potential, during the charging operation of the charger. A respective electrical interface includes: a first connection terminal which, when used as intended, is to be electrically connected to a corresponding connection terminal of an electrical energy store to be charged; two field-effect transistors which are looped-in in anti-serial fashion between the first connection terminal and the common charge line; and at least one control unit which is designed to drive the two field-effect transistors of a respective electrical interface such that, at any one time, the first connection terminal of only a single electrical interface is electrically connected to the common charge line via its two field-effect transistors.
H02J 7/00 - Circuits pour la charge ou la dépolarisation des batteries ou pour alimenter des charges par des batteries
G01R 19/165 - Indication de ce qu'un courant ou une tension est, soit supérieur ou inférieur à une valeur prédéterminée, soit à l'intérieur ou à l'extérieur d'une plage de valeurs prédéterminée
A hand-portable working apparatus has: a working device, at least one handle, and a transport eyelet. The handle is at least partially arranged behind the working device along a longitudinal axis of the working apparatus. At least the handle defines a handle opening, wherein the handle opening extends approximately along the longitudinal axis. The transport eyelet is arranged approximately at or before a front end of the handle opening along the longitudinal axis. At least the transport eyelet defines an eyelet opening, wherein, in an attaching and/or detaching position of the transport eyelet, an eyelet opening normal of the eyelet opening is oriented approximately along a vertical axis of the working apparatus.
An outdoor box is designed for keeping at least one battery pack that supplies an electrically driven garden, forestry, construction and/or ground working apparatus with electrical driving power. The outdoor box is configured to receive at least one charger for supplying the battery pack with electrical charging power. The outdoor box has an electrical line for transmission of electrical power to the charger. The outdoor box has an exchange fan for exchange of outside air outside the outdoor box and inside air inside the outdoor box in contact with the battery pack and/or the charger. The outdoor box has a recirculation fan, different from the exchange fan, for recirculating, inside the outdoor box, the inside air, and/or the outdoor box has a further exchange fan for exchange of the outside air and the inside air. The one exchange fan is designed for being supplied with electrical power at least for the most part by an energy source. The further exchange fan is designed for being supplied with electrical power at least for the most part by a further energy source, different from the energy source.
A battery pack has a plurality of battery cells and at least three pack power contacts. A first pack pair of the pack power contacts is designed for making contact with device power contacts of a first electrically driven work device and/or a first charging device, wherein the battery pack is designed for supplying, due to contact being made, the first work device with electrical drive power with a first electrical voltage from at least a portion of the plurality of battery cells and/or supplying, due to contact being made, at least a same portion of the plurality of battery cells with electrical charging power with the first voltage from the first charging device via the first pack pair. A second pack pair, which second pack pair is different from the first at least in portions, is designed for making contact with device power contacts of a second electrically driven work device and/or a second charging device, wherein the battery pack is designed for supplying, due to contact being made, the second work device with electrical drive power with a second electrical voltage, which is higher than the first, from at least a same portion of the plurality of battery cells and/or supplying, due to contact being made, at least a same portion of the plurality of battery cells with electrical charging power with the second voltage from the second charging device via the second pack pair.
H01M 50/296 - Montures; Boîtiers secondaires ou cadres; Bâtis, modules ou blocs; Dispositifs de suspension; Amortisseurs; Dispositifs de transport ou de manutention; Supports caractérisés par les bornes des blocs de batterie
H01M 50/247 - Montures; Boîtiers secondaires ou cadres; Bâtis, modules ou blocs; Dispositifs de suspension; Amortisseurs; Dispositifs de transport ou de manutention; Supports spécialement adaptés aux dispositifs portatifs, p.ex. aux téléphones portables, aux ordinateurs, aux outils à main ou aux stimulateurs cardiaques
H02J 7/00 - Circuits pour la charge ou la dépolarisation des batteries ou pour alimenter des charges par des batteries
An autonomous mobile green-area treatment robot has a treatment tool, a protection device, and a height-adjustment device. A tool height of the treatment tool is adjustable. The protection device is configured to protect against access into the treatment tool. A protection height of the protection device is adjustable. The height-adjustment device is configured for the coupled adjustment of the tool height and the protection height together, such that a tool height adjustment value of the adjustment of the tool height and a protection height adjustment value of the adjustment of the protection height are different. A distance between the treatment tool and the protection device is changed.
A01D 34/00 - Faucheuses; Appareils de fauchage des moissonneuses
A01D 75/20 - Dispositifs de protection des hommes ou des animaux
60.
Method and system for ascertaining information relating to a collection, a start and/or an end of a period spent in a workshop and/or in storage and/or a delivery of a green space and/or cultivated area treatment device
A method and system ascertain information relating to a collection, a start and/or an end of a period spent in a workshop and/or in storage and/or a delivery of a green space and/or cultivated area treatment device. The method involves the steps of: providing a growth characteristic variable, wherein the growth characteristic variable is characteristic for plant growth on and/or in a space/area treated and/or to be treated by way of the green space and/or cultivated area treatment device; and ascertaining the information on the basis of the provided growth characteristic variable.
G06Q 10/04 - Prévision ou optimisation spécialement adaptées à des fins administratives ou de gestion, p. ex. programmation linéaire ou "problème d’optimisation des stocks"
61.
Method for Automatically Ascertaining Cleaning, Maintenance and/or Repair Information for a Motor-Driven Treatment Tool and System for Automatically Ascertaining Cleaning, Maintenance and/or Repair Information for a Motor-Driven Treatment Tool
A method and system automatically determine cleaning, maintenance and/or repair information for a motor-driven treatment tool, wherein the treatment tool comprises a residue, able to be detected externally optically, caused during the operation of the treatment tool. The method involves the steps of: optically detecting the residue; classing the detected residue in accordance with a type of the residue; determining the cleaning, maintenance and/or repair information based on the classing; and outputting the determined cleaning, maintenance and/or repair information.
A47L 9/28 - Montage de l'équipement électrique, p.ex. adaptation ou fixation à l'aspirateur; Commande des aspirateurs par des moyens électriques
A47L 7/00 - Aspirateurs adaptés à d'autres emplois; Tables avec orifices d'aspiration en vue du nettoyage; Récipients pour articles de nettoyage par aspiration; Aspirateurs conçus pour le nettoyage des brosses; Aspirateurs conçus pour l'absorption de liquides
62.
Charger and Charger Housing With Water Discharge Structure
A charger and charger housing have a water discharge structure. The charger housing includes an operating side, having at least one battery charging space, which is accessible from the operating side, and a first housing outer wall region on a first housing side. The first housing side forms, in a first use position of the charger housing, a bottom side thereof. A water discharge structure discharges water out of the charger housing, wherein the water discharge structure has at least one first water outlet opening in the first housing outer wall region. The charger includes a second housing outer wall region on a second housing side, the second housing side being non-parallel to the first housing side and forming, in a second use position of the charger housing, a bottom side thereof. The water discharge structure has at least one second water outlet opening in the second housing side. Use may be in chargers for electrical charging of battery packs for hand-guided motor-operated tools in gardening and forestry.
H02J 7/00 - Circuits pour la charge ou la dépolarisation des batteries ou pour alimenter des charges par des batteries
H01M 50/247 - Montures; Boîtiers secondaires ou cadres; Bâtis, modules ou blocs; Dispositifs de suspension; Amortisseurs; Dispositifs de transport ou de manutention; Supports spécialement adaptés aux dispositifs portatifs, p.ex. aux téléphones portables, aux ordinateurs, aux outils à main ou aux stimulateurs cardiaques
H01M 50/691 - Dispositions ou procédés pour le drainage des liquides des boîtiers; Nettoyage des boîtiers de la batterie ou de la cellule
63.
Multi-Port Charger and Battery Pack Multi-Port Charger Set
A multi-port charger has a plurality of charging ports, each configured for removably mounting and electrically charging a rechargeable battery unit, an indicator command unit and a user-activatable command activation unit which is configured to activate the indicator command unit, as well as a corresponding battery multi-port charger set. The indicator command unit is configured to send a charge status indicator command, which commands the battery unit mounted on the respective charging port to indicate its charge status on a battery-side display unit. Use may be for charging battery packs for electric garden and forestry working apparatus.
A charger housing has an operating side, at least one battery charging port, which is accessible from the operating side, and a first fastening region, on the outer side of the housing, on a first fastening side which is different from the operating side. The first fastening region is designed for detachably fastening the charger housing to a fastening support and has one or more first fastening elements. The charger housing also has a second fastening region, on the outer side of the housing, on a second fastening side which is different from the operating side and the first fastening side. The second fastening region is designed for detachably fastening the charger housing to a fastening support and has one or more second fastening elements. Use may be as a housing of a charger for recharging battery packs for electric gardening and forestry working apparatus.
A power tool has a drive unit and an operating handle. At least one electrical line connects the operating handle and the drive unit to each other. The at least one electrical line is fastened at a first electrical connection location to the operating handle and at a second electrical connection location to the drive unit. A safety cable extends along the at least one electrical line between operating handle and drive unit. The safety cable has a first end section and a second end section. The first end section is connected mechanically fixed at a first fixation location to the operating handle. The second end section is connected mechanically fixed at a second fixation location to the drive unit. The at least one electrical line and the safety cable are guided together such that the safety cable forms a tear-off protection for the at least one electrical line.
H01B 7/22 - Fils rubans ou métalliques, p.ex. d'acier
B25F 5/00 - OUTILS COMBINÉS OU À USAGES MULTIPLES NON PRÉVUS AILLEURS; DÉTAILS OU PARTIES CONSTITUTIVES D'OUTILS PORTATIFS À MOTEUR SANS RELATION SPÉCIFIQUE AVEC LES OPÉRATIONS EXÉCUTÉES ET NON PRÉVUS AILLEURS - Détails ou parties constitutives d'outils portatifs à moteur sans relation spécifique avec les opérations exécutées et non prévus ailleurs
A47L 9/28 - Montage de l'équipement électrique, p.ex. adaptation ou fixation à l'aspirateur; Commande des aspirateurs par des moyens électriques
66.
Charger having a Charging Electronics Unit and a Cooling-Air-Guiding Structure
A charger includes a charger housing with at least one battery-charging space accessible from the outside for positioning of a rechargeable battery unit, a charging electronics unit in the charger housing for controlling an electrical charging operation for the battery unit positioned on the battery-charging space, and a cooling-air-guiding structure configured for guiding a cooling-air flow from an air inlet structure of the charger housing via the charging electronics unit to an air outlet structure of the charger housing. The cooling-air-guiding structure has a cooling housing arranged in the interior of the charger housing and has a cooling housing air inlet structure and a cooling housing air outlet structure, and is configured for guiding the cooling-air flow through the cooling housing from the cooling housing air inlet structure to the cooling housing air outlet structure and from the latter to the air outlet structure of the charger housing. The charging electronics unit has at least one electronic component which is arranged in the cooling housing. Use may be for electrically charging rechargeable battery packs for electrically operated garden and forestry working apparatus.
A housing has a communication module arranged in a housing body. Electrical contacts are provided under a closure cover of the housing and are electrically connected to electrical components arranged in the housing body. The communication module is placed on the electrical contacts and is fixed in position in a receptacle fixed to the housing body. Contact elements of the communication module are in electrical contact with the electrical contacts in the housing body. The communication module is pressed onto the electrical contacts by at least one pressure element, with the pressure element being arranged between the closure cover and the communication module.
H02J 7/00 - Circuits pour la charge ou la dépolarisation des batteries ou pour alimenter des charges par des batteries
H01M 50/233 - Montures; Boîtiers secondaires ou cadres; Bâtis, modules ou blocs; Dispositifs de suspension; Amortisseurs; Dispositifs de transport ou de manutention; Supports caractérisés par les propriétés physiques des boîtiers ou des bâtis, p.ex. dimensions
H01M 10/42 - Procédés ou dispositions pour assurer le fonctionnement ou l'entretien des éléments secondaires ou des demi-éléments secondaires
A headset has earmuffs connected by a connection element. The earmuffs have inner sides facing each other and outer sides facing away from each other in a first transverse direction. The earmuffs extend from a bottom side to a top side in a vertical direction. The earmuffs extend from a first to a second longitudinal side in a second transverse direction. At least one of the earmuffs has a positioning pocket at the outer side with a button arranged therein. The positioning pocket extends across a width in second transverse direction that corresponds to at least 50% of a width of the at least one of the earmuffs. The positioning pocket has a bottom end and a top end and extends in vertical direction from the bottom end to the top end. The top end of the positioning pocket forms a stop edge for fingertips of an operator's hand.
A61F 11/14 - Dispositifs de protection pour les oreilles externes, p.ex. capuchons pour les oreilles ou oreillettes
H04M 1/05 - Supports pour microphones ou écouteurs spécialement adaptés pour l'usage sur la tête, la gorge ou la poitrine
H04W 4/10 - Services de messagerie instantanée vocale ou de messagerie sur appel
71.
Method for determining information about a state of a drive motor system and/or of a drive battery pack of a gardening, forestry and/or construction device, and system for determining information about a state of a drive motor system and/or of a drive battery pack of a gardening, forestry and/or construction device
A method for determining information (Info) about a state (Z) of a drive motor system (2) and/or of a drive battery pack (11) of a gardening, forestry and/or construction device (1), includes the steps of: acquiring at least one sensor temperature (TS) of at least one temperature component (3) of the drive motor system (2) and/or of the drive battery pack (11) by way of at least one component temperature sensor (4) at the same time as and/or at a time after operation of the drive motor system (2) and/or of the drive battery pack (11) and/or of a heater (300) and/or of a cooler (310) and/or of a fan (320) for heating and/or for cooling the drive battery pack (11), wherein the temperature component (3) heats up or cools down due to the operation; ascertaining operating data (BD) of the operation, wherein the operating data (BD) are of a different kind than the sensor temperature (TS); comparing the acquired sensor temperature (TS) or a variable based on the sensor temperature and the ascertained operating data (BD) or a variable (TM) based on the operating data (BD) by way of a temperature model (MOD), wherein the temperature model (MOD) is based on at least one model state (AZyes) of the drive motor system (2) and/or of the drive battery pack (11); and determining the information (Info) on the basis of a result of the comparison.
A01G 3/08 - Autres outils à élaguer, émonder ou ébrancher des arbres sur pied
F02B 63/02 - Adaptations des moteurs pour entraîner des pompes, des outils tenus à la main ou des génératrices électriques; Combinaisons portatives de moteurs avec des dispositifs entraînés par des moteurs pour outils tenus à la main
F02D 41/04 - Dispositions de circuits pour produire des signaux de commande introduisant des corrections pour des conditions particulières de fonctionnement
F02D 29/00 - Commande de moteurs, cette commande étant particulière aux dispositifs entraînés, ces dispositifs étant autres que des organes ou accessoires essentiels à la marche du moteur, p.ex. commande de moteur par des signaux extérieurs
72.
Method of operating a facility, facility and system
A method includes a) operating an inertial sensor device arranged on or in a mobile motor-driven processing device in a motion-monitoring operating mode to monitor whether an inertial variable or a variable based on the inertial variable fulfills a motion criterion, wherein the motion criterion is characteristic of a motion of the processing device, b) if the motion criterion is fulfilled, operating the inertial sensor device in a shock and/or impact-monitoring operating mode to monitor whether the inertial variable or a variable based on the inertial variable fulfills a shock and/or impact criterion, wherein the shock and/or impact criterion is characteristic of an atypical motion of the processing device, and c) if the shock and/or impact criterion is fulfilled, transmitting an information signal via the inertial sensor device and operating the control device as a function of the transmitted information signal.
G01P 15/08 - Mesure de l'accélération; Mesure de la décélération; Mesure des chocs, c. à d. d'une variation brusque de l'accélération en ayant recours aux forces d'inertie avec conversion en valeurs électriques ou magnétiques
G01P 1/07 - Dispositifs indicateurs, p.ex. pour l'indication à distance
G06Q 10/0631 - Planification, affectation, distribution ou ordonnancement de ressources d’entreprises ou d’organisations
73.
Blade for a Mowing Unit for a Lawnmower and/or a Motor Scythe, Mowing Unit for a Lawnmower and/or a Motor Scythe, and Lawnmower and/or Motor Scythe
A blade for a mowing unit for a lawnmower and/or a motor scythe is substantially parallelogram-shaped. The blade has a slot, wherein the slot is designed to receive a blade-holding element of the mowing unit such that the blade can rotate about the blade-holding element and move in translation relative to the blade-holding element for one cutting position of the blade defined by one end of the slot having one cutting orientation of the blade and another cutting position of the blade defined by another end of the slot having another cutting orientation of the blade. A line segment delimited by the ends of the slot does run non-parallel to sides of the parallelogram, and the parallelogram has an obtuse internal angle.
A method for operating the two stroke engine provides that the fuel valve is controlled after the starting process in at least a quasi-steady state such that, on the basis of uninterruptedly successive blocks of successive revolutions of the crankshaft, the fuel valve is opened and closed exactly once within each block. Each block includes from two to twenty revolutions of the crankshaft. The fuel valve is opened over a crankshaft angle (α) of more than 360° within one block in at least one operating state. A control device is provided for controlling the fuel valve. A quasi-steady state of the two stroke engine is a state in which the throttle element is adjusted by less than 10% of the maximum adjustment of the throttle element over a crankshaft angle (α) of 360°.
F02D 41/30 - Commande de l'injection de combustible
F02D 41/34 - Commande de l'injection de combustible du type à basse pression avec des moyens pour commander la synchronisation ou la durée de l'injection
F02D 41/20 - Circuits de sortie, p.ex. pour la commande des courants dans les bobines de commande
The disclosure relates to a filter circuit on an electric motor which has electrical connections at a connection end for connection to a supply voltage (U). The filter circuit consists of at least one capacitor bridge arranged between the connections of the electric motor for radio interference suppression. For increased electromagnetic compatibility (EMC), the filter circuit is arranged on a circuit board and held on the connection end of the electric motor. The circuit board has a capacitor bridge with interference suppression capacitors, which is connected between the electrical connections of the electric motor, wherein an interference suppression capacitor has a longitudinal axis between its electrical connections in the longitudinal direction. The interference suppression capacitors are arranged on the circuit board with their longitudinal axes aligned in different spatial directions.
H02K 11/02 - Association structurelle de machines dynamo-électriques à des organes électriques ou à des dispositifs de blindage, de surveillance ou de protection pour la suppression des parasites d’origine électromagnétique
H02K 11/026 - Dispositifs antiparasites associés à des balais, des porte-balais ou leurs supports
H02K 17/30 - Association structurelle de moteurs asynchrones à induction à des appareils électriques auxiliaires agissant sur les caractéristiques du moteur ou en assurant la commande, p.ex. à des impédances ou des interrupteurs
H03H 1/00 - RÉSEAUX D'IMPÉDANCES, p.ex. CIRCUITS RÉSONNANTS; RÉSONATEURS - Détails de réalisation des réseaux d'impédances dont le mode de fonctionnement électrique n'est pas spécifié ou est applicable à plus d'un type de réseau
76.
PRESSURE SHUTOFF VALVE FOR A PRESSURE WASHER AND PRESSURE WASHER WITH A PRESSURE SHUTOFF VALVE
The disclosure relates to a pressure shutoff valve for a pressure washer. The pressure shutoff valve has an effective throttle gap with an overall length (a), as measured in the direction of the longitudinal axis of the valve body, between the valve housing and the valve body, wherein the effective throttle gap is part of the flow connection between the inlet and the outlet. The valve body has a maximum diameter (d) extending radially with respect to the longitudinal axis. The overall length (a) of the effective throttle gap is at least 50% of the maximum diameter (d) of the valve body in the first closed position of the pressure shutoff valve.
A gardening appliance has a traction drive system with a clutch, an electric motor drive system and a user-triggerable signalling device. The clutch is designed to, as a result of forward rotation, automatically engage for forward drive of the gardening appliance and, as a result of backward rotation, automatically disengage for freewheeling of the gardening appliance. The electric motor drive system is designed to effect the forward rotation and the backward rotation of the clutch. A method of operating the appliance includes: a) in a user-triggered manner by way of a change in a signal state of the signalling device, operating the electric motor drive system in a running-down and/or braking operating mode in order to lower a motor rotational speed of the forward-rotating electric motor drive system; b) acquiring whether a back electromotive force caused by the electric motor drive system or a variable based on the back electromotive force satisfies a standstill criterion, wherein the standstill criterion is characteristic of an attainment of a standstill state of the electric motor drive system; and c) when the standstill criterion is satisfied, operating the electric motor drive system in a backward-rotation operating mode to effect the backward rotation of the electric motor drive system for disengaging the clutch for freewheeling of the gardening appliance.
A01D 34/68 - Faucheuses; Appareils de fauchage des moissonneuses caractérisés par des particularités relatives au type d'appareil de coupe comportant des couteaux rotatifs comportant des couteaux tournant autour d'un axe vertical dirigés à la main par un opérateur à pied à couteaux ou à roues entraînés par un moteur
A01D 69/02 - Mécanismes d'entraînement ou éléments de ceux-ci pour moissonneuses ou faucheuses électriques
A01D 34/00 - Faucheuses; Appareils de fauchage des moissonneuses
Method for Obtaining Information for Operating an Accumulator, Method for Obtaining Periods of Time for Charging Different Accumulators, and Electric Gardening and/or Forestry Apparatus System
A method is provided for obtaining information for operating an accumulator, and for obtaining periods of time for charging different accumulators using the method. An electrical gardening and/or forestry apparatus system with at least one accumulator for carrying out such a method is provided.
B25F 5/02 - Structure des boîtiers, corps ou poignées
A01G 3/053 - Appareils à tailler les haies, p.ex. cisailles à haies portables entraînés par un moteur
H02J 7/00 - Circuits pour la charge ou la dépolarisation des batteries ou pour alimenter des charges par des batteries
A01G 20/43 - Appareils pour le nettoyage de la surface de la pelouse ou de l’herbe pour balayer, ramasser ou désintégrer l’herbe coupée
H01M 10/48 - Accumulateurs combinés à des dispositions pour mesurer, tester ou indiquer l'état des éléments, p.ex. le niveau ou la densité de l'électrolyte
H02J 3/00 - Circuits pour réseaux principaux ou de distribution, à courant alternatif
G01R 31/36 - Dispositions pour le test, la mesure ou la surveillance de l’état électrique d’accumulateurs ou de batteries, p.ex. de la capacité ou de l’état de charge
79.
Battery Pack, Work System and Method for Producing a Battery Pack
A battery pack supplies an electrically driven work appliance with electrical drive power. The battery pack has: at least one battery cell, wherein the battery cell has at least one safety device, at least one voltage-carrying surface, an insulating lacquer, wherein the insulating lacquer adheres on the voltage-carrying surface, and at least one cover element. The at least one cover element covers the safety device such that no insulating lacquer adheres on and/or in the safety device.
H01M 50/213 - Bâtis, modules ou blocs de multiples batteries ou de multiples cellules caractérisés par leur forme adaptés aux cellules ayant une section transversale courbée, p.ex. ronde ou elliptique
The disclosure relates to a chain saw having a housing and a drive motor. The drive motor by way of a chain drive sprocket drives a saw chain guided on a guide bar. The guide bar is held on the housing by way of a releasable fastening arrangement and by way of a tensioning device is displaceable in the direction of the longitudinal axis of the guide bar in relation to the housing while the fastening arrangement is released. The saw chain has a slack side between the chain drive sprocket and the guide bar. The chain saw includes a chain lifting device which is configured separately from the tensioning device. The chain lifting device is configured for deflecting the saw chain in the direction away from the longitudinal axis of the guide bar.
The disclosure relates to a chain saw having a housing and a drive motor. The guide bar is held on the housing by way of a releasable fastening arrangement and, when the fastening arrangement is released, by way of a tensioning device is displaceable in relation to the housing in the direction of the longitudinal axis of the guide bar. The chain saw includes a chain lifting device which is configured separately from the tensioning device. The chain lifting device in a deflected position of the chain lifting device is configured for deflecting the saw chain when the tensioning device tensions the saw chain, and in an operating position of the chain lifting device is configured for relaxing the saw chain when the guide bar is fixed.
B27B 17/02 - Scies à chaîne pourvues de guide-chaîne
B27B 17/08 - Entraînements ou commandes; Dispositifs pour faire pivoter ou incliner la chaîne
82.
Structure for a Battery Pack for Supplying an Electrically Driven Work Appliance With Electrical Drive Power, Battery Pack, Work System and Method for Producing a Battery Pack
A structure for a battery pack for supplying an electrically driven work appliance with electrical drive power has a number of cell holder parts. The number of cell holder parts is designed for holding battery cells. At least two cell holder parts are designed for arrangement together in a holding arrangement and, in the holding arrangement, for jointly holding the battery cells. The cell holder parts, in the holding arrangement, jointly form at least a predominant part of a filling mould. The filling mould is designed for filling with a protective material for enclosing at least a part of a battery pack electronics unit. Additionally or alternatively, the structure has at least one cast assembly, wherein the cast assembly unites one of the number of cell holder parts and at least one casted-in cell contactor. The cell contactor is designed for contacting at least one cell terminal of at least one of the held battery cells.
H01M 50/213 - Bâtis, modules ou blocs de multiples batteries ou de multiples cellules caractérisés par leur forme adaptés aux cellules ayant une section transversale courbée, p.ex. ronde ou elliptique
H01M 50/247 - Montures; Boîtiers secondaires ou cadres; Bâtis, modules ou blocs; Dispositifs de suspension; Amortisseurs; Dispositifs de transport ou de manutention; Supports spécialement adaptés aux dispositifs portatifs, p.ex. aux téléphones portables, aux ordinateurs, aux outils à main ou aux stimulateurs cardiaques
B25F 5/02 - Structure des boîtiers, corps ou poignées
B23D 51/01 - Machines à scier ou dispositifs de sciage à lames droites, caractérisés uniquement par la structure d'organes particuliers; Moyens de support ou d'attache des outils qui, couverts par le présente sous-classe, sont fixés à leur monture à leurs deux extrémités caractérisés par la poignée
A hand-held working apparatus has an apparatus housing, a working tool capable of being motor-driven, a drive motor for the working tool, and an operating data communication component connected to the apparatus housing and having a communication interface configured for wireless transmission of operating data. The operating data communication component has a mounting region by which it is mounted on an attachment region of the apparatus housing. The attachment region is located on an inside of an outer wall of the apparatus housing.
A backpack blower has a backpack with a load-bearing frame, a blower tube with a backpack-side tube section which is held on a rear side of the load-bearing frame, and a hand-side tube section which extends past a first side region of the load-bearing frame, a drive motor, an energy source for the drive motor, and an axial fan which is driven by the drive motor, has an axial fan axis, and is arranged in the backpack-side tube section of the blower tube. The backpack-side tube section of the blower tube runs with a main direction component in a backpack transverse direction of the load-bearing frame and has an axial blower tube end termination which projects laterally beyond a second side region of the load-bearing frame, which second side region faces away from the first side region, and/or is surrounded at least on a part of its circumference by a protective ring element which is connected to the load-bearing frame. The blower may be an electric leaf blower.
H01M 50/247 - Montures; Boîtiers secondaires ou cadres; Bâtis, modules ou blocs; Dispositifs de suspension; Amortisseurs; Dispositifs de transport ou de manutention; Supports spécialement adaptés aux dispositifs portatifs, p.ex. aux téléphones portables, aux ordinateurs, aux outils à main ou aux stimulateurs cardiaques
F04D 19/00 - Pompes à flux axial spécialement adaptées aux fluides compressibles
F04D 25/06 - Ensembles comprenant des pompes et leurs moyens d'entraînement la pompe étant entraînée par l'électricité
A47L 5/14 - Caractéristiques de structures des aspirateurs à pompes à air ou compresseurs à moteur, p.ex. fonctionnant par le vide créé par le moteur d'un véhicule nettoyant par ventilation, combiné également avec un nettoyage par aspiration
87.
Carburetor and two-stroke engine with a carburetor
A carburetor has a carburetor body wherein an intake channel is formed. A throttle flap is pivotably mounted by a throttle shaft in the carburetor body for controlling the free flow cross-section of the intake channel. The intake channel has a first longitudinal center axis in the region of the throttle shaft. The throttle flap has first and second end positions, wherein the throttle flap opens a larger flow cross-section of the intake channel in the second end position than in the first end position. A partition wall section, on which the throttle flap lies in the second end position, is arranged upstream of the throttle shaft. A choke flap is upstream of the partition wall section and is pivotable between first and second end positions. In their second end positions, the throttle flap and the choke flap overlap in the direction of the first longitudinal center axis.
A method operates a hand-guided working apparatus having a movable working tool installation, a shaft, and a drive motor system. The shaft is designed for moving the working tool installation. The drive motor system is designed for driving the shaft. The working tool installation, the shaft, and the drive motor system at least in part form part of a system capable of rotational oscillation. A controllable oscillation damping installation is designed for damping and/or reducing an excitation of at least one oscillation of the system capable of rotational oscillation and/or excitable by the system capable of rotational oscillation. The method includes: operating the drive motor system to drive the shaft for moving the working tool installation; and controlling the oscillation damping installation during operation such that the oscillation is at least damped and/or an excitation of the oscillation is reduced.
B25F 5/00 - OUTILS COMBINÉS OU À USAGES MULTIPLES NON PRÉVUS AILLEURS; DÉTAILS OU PARTIES CONSTITUTIVES D'OUTILS PORTATIFS À MOTEUR SANS RELATION SPÉCIFIQUE AVEC LES OPÉRATIONS EXÉCUTÉES ET NON PRÉVUS AILLEURS - Détails ou parties constitutives d'outils portatifs à moteur sans relation spécifique avec les opérations exécutées et non prévus ailleurs
A01D 34/00 - Faucheuses; Appareils de fauchage des moissonneuses
A01D 69/02 - Mécanismes d'entraînement ou éléments de ceux-ci pour moissonneuses ou faucheuses électriques
A fuel supply device has a base body, in which an intake channel section is formed. At least one adjustable throttle element for controlling the free flow cross section of the intake channel section is provided. At least one fuel opening opens into the intake channel section. A partition wall section is arranged in the intake channel section upstream of the throttle element. The partition wall section and the throttle element divide, in a completely open position of the throttle element, the intake channel section upstream of the throttle element into a mixture channel, into which the fuel opening feeds fuel, and an air channel. In order to improve the cooling of the fuel supply device, the partition wall section has at least one element for increasing the surface area within the mixture channel.
F02M 1/02 - Carburateurs avec moyens permettant le démarrage ou le ralenti au-dessous des températures normales de fonctionnement ces moyens consistant en un étranglement pour enrichir le mélange de combustible et d'air
F02M 7/18 - Autres installations, avec pièces mobiles, pour modifier le rapport air-combustible, p.ex. comportant des obturateurs avec moyens de régler la section transversale de l'orifice de mesure de débit du combustible
A high-pressure cleaning device has a conveying pump and a conveying conduit with a spray opening. The conveying conduit conveys cleaning liquid, conveyed by the conveying pump, in a conveying direction from the conveying pump to the spray opening of the conveying conduit. A switch element is provided that has at least a first switched state and a second switched state. An actuator is provided that adjusts the switch element between the first switched state and the second switched state. The high-pressure cleaning device is provided such that the actuator adjusts the switch element between the first switched state and the second switched state by an adjusting force effected by the cleaning liquid on the actuator.
B05B 9/04 - Appareillages de pulvérisation pour débiter des liquides ou d'autres matériaux fluides, n'impliquant pas de mélange avec des gaz ou des vapeurs caractérisés par les moyens d'alimentation en liquide ou en autre matériau fluide comportant une pompe
B08B 3/02 - Nettoyage par la force de jets ou de pulvérisations
91.
CUTTING BLADE FOR A CUTTER HEAD AND CUTTER HEAD FOR A BRUSHCUTTER
The disclosure is directed to a cutting blade for a cutter head and includes a base body having a fastening arrangement for fastening the cutting blade to a cutter head as well as a blade edge. The base body and the blade edge are made of a biodegradable natural substance. Alternatively, the base body is made of a non-biodegradable plastic and the blade edge is made at least in part of a biodegradable material.
A garden tool has a controllable travel drive system, wherein the travel drive system is designed to propel the garden tool, and a speed control device, wherein the speed control device has a user-operable operating element and a displacement sensor device. At least one sensor part of the displacement sensor device is supported so as to be movable in translation. The operating element is designed by its operation to displace at least the sensor part in translation. A sensor signal of the displacement sensor device is dependent on a translational position of at least the sensor part. The speed control device is designed for controlling the travel drive system for the variable setting of a travel speed of the garden tool in accordance with the sensor signal.
A01D 34/68 - Faucheuses; Appareils de fauchage des moissonneuses caractérisés par des particularités relatives au type d'appareil de coupe comportant des couteaux rotatifs comportant des couteaux tournant autour d'un axe vertical dirigés à la main par un opérateur à pied à couteaux ou à roues entraînés par un moteur
A work implement is provided with a tool that has an opening. A housing part is provided and a stud bolt is screwed into the housing part. The stud bolt fastens the tool to the housing part. The stud bolt projects axially away from the housing part and projects at least partially into the opening of the tool. A transmission element is provided for transmitting transverse forces, acting transversely to the axial direction, from the tool to the stud bolt. The transmission element is a first element made at least partially of a first material with modulus of elasticity of 1 GPa to 80 GPa, or the transmission element is a second element with a spring element at least partially made of a second material with modulus of elasticity of larger than 80 GPa and with a free space for a spring travel of the spring element.
The invention is directed to an arrangement for dissipating heat of an electronic component mounted on a circuit board. The arrangement includes a heat sink for dissipating heat of an electronic component. In order for bottom heat of the electronic component to be dissipated, at least one heat-dissipating heat conducting section is configured on the circuit board, wherein the heat sink is connected in a heat transmitting manner to the heat conducting section of the circuit board. The heat sink by way of a foot section bears directly on the heat conducting section of the circuit board. A recess is configured in the base body of the heat sink, wherein the electronic component lies at least partially in the recess.
A cutter head for a brush cutter has a base body with top base body part and bottom base body part. A screw element is arranged at the bottom base body part for attachment to an output shaft of the brush cutter. A receptacle for fastening a cutting tool is provided between top and bottom base body parts. The base body is rotatably driven in operation of the brush cutter about an axis of rotation of the base body. The top and bottom base body parts are held together by a detachable snap-on connection. The snap-on connection is positioned at a distance, measured in a radial direction, from the axis of rotation of the base body. The distance amounts to at most 40% of the cutter head diameter. For releasing the snap-on connection, the top and bottom base body parts are pulled apart from each other by a pulling force.
A housing for a work implement has a first housing shell with first outer wall and a second housing shell with second outer wall. The first and second outer walls contact each other along a separation plane. The first housing shell has a first rib extending transversely to the separation plane and projecting past the separation plane into the second housing shell. First measuring points are located in the separation plane. The first rib has a first rib height measured in transverse direction from a first measuring point to a first end of the first rib facing the second housing shell. The second housing shell has a second shell height measured in transverse direction from the same first measuring point to an inner side of the second housing shell. The first measuring points include measuring points where the first rib height is at least 15% of the second shell height.
B25F 5/02 - Structure des boîtiers, corps ou poignées
E01H 1/08 - Emploi de l'air comprimé pour détacher ou enlever les matières indésirables; Séchage par la chaleur uniquement, ou par des courants de gaz; Nettoyage par projection de particules abrasives
A saw chain includes connecting links and drive links that are mutually connected by rivets in an articulated manner about rivet axes. The rivets project through at least one rivet opening of one connecting link and through a rivet opening of a drive link. At least one rivet has, on one end face thereof, a depression having a depression edge and a depression base surrounded by the depression edge. The distance of the depression edge from a central plane of the saw chain increases at an increasing radial distance from the rivet axis. The distance (e) of the base from the central plane does not increase at any point of the base at an increasing radial distance from the rivet axis. A greatest distance (a) of the base from the rivet axis corresponds to 50% to 100% of half the core diameter (d) of the rivet.
B23D 57/02 - Machines à scier ou dispositifs de sciage non couverts par l'un des groupes à scies à chaîne
B23D 61/18 - Outils particuliers pour scier, p.ex. fil coupant comportant des dents de scie, lames de scie ou fil à scier comportant des diamants ou d'autres particules abrasives disposés individuellement dans des positions choisies
A handle for a hand-guided power tool has a shaft with a fastening end and a free end. The fastening end is provided to secure the handle on the power tool. The handle has an outer side that is designed to at least partially support a palm of a hand of a user. An inner side is positioned opposite the outer side at the handle. A thumb support surface is provided at the inner side. The thumb support surface, viewed in a side view of the handle perpendicular to the inner side, is positioned at an angle of at least 20° and at most 70° in relation to a longitudinal axis of the handle at every point of the thumb support surface. A power tool such as a trimmer has a handle bar provided with a handle with such a thumb support surface.
brevets
