Abrégé

A method is disclosed to smooth the ride of a seat occupant by controlling the damping force of a fluid damper positioned between the seat and base. The method selects between different subprocesses to minimize the ride discomfort and to minimize peak seat accelerations and endstop jerks. The controller uses the input from the different subprocesses to create the best ride for the immediate operational conditions.

Classes IPC  ?

• G05D 19/02 - Commande des oscillations mécaniques, p.ex. de l'amplitude, de la fréquence, de la phase caractérisée par l'utilisation de moyens électriques

Abrégé

The present subject matter relates to devices, systems, and methods for identifying the position of a movable component. A position sensor system is provided in which a Hall effect sensor is coupled to a fixed housing, and a plurality of magnets is coupled to a movable component that is movable to a sensing position at which the plurality of magnets is proximal to the Hall effect sensor. In this configuration, the plurality of magnets is arranged to produce an aggregate magnetic field having a flux concentration directed toward the Hall effect sensor when the plurality of magnets is in the sensing position.

Classes IPC  ?

• G01D 5/14 - 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

Abrégé

A steer-by-wire device for controlling a vehicle includes a housing; an input shaft that is rotatable relative to the housing and is configured to receive a rotary input from an operator of the vehicle at a first end of the input shaft, the first end being located external to the housing; a rotor attached to the input shaft at a second, opposite, end of the input shaft, the second end being located internal to the housing; a sensor for detecting an angular position, an angular velocity, and/or an angular acceleration of the input shaft relative to the housing; and a coil for generating a magnetic field to generate a rotary force or torque in the rotor to resist rotation of the rotor. The rotor is attached to the input shaft to allow a relative movement between at least a portion of the rotor and the input shaft.

Classes IPC  ?

• B62D 5/00 - Direction assistée ou à relais de puissance

Abrégé

A lateral isolator (200) has a tubular body with an upstream end and a downstream end. The lateral isolator (200) also includes an inner member (210) having a pivot ring (220) disposed within the tubular body. A first elastomeric package (236) is disposed between the tubular body and the inner member (210) longitudinally between the pivot ring (220) and the upstream end. A second elastomeric package (236) is disposed between the tubular body and the inner member (210) longitudinally between the pivot ring (220) and the downstream end.

Classes IPC  ?

• E21B 17/042 - Accouplements; Joints entre tige et trépan, ou entre tiges filetés
• E21B 47/017 - Protection des instruments de mesure
• E21B 17/10 - Protecteurs contre l'usure; Dispositifs de centrage
• E21B 47/01 - Dispositifs pour supporter des instruments de mesure sur des trépans, des tubes, des tiges ou des câbles de forage; Protection des instruments de mesure dans les trous de forage contre la chaleur, les chocs, la pression ou similaire

Abrégé

A system has a fin with an upstream end, a downstream end, a wall interface (412), a carrier interface (414) offset from the wall interface (412) in a radially inward direction, and an impact surface (418). The impact surface extends between an upstream end of the wall interface and an upstream end of the carrier interface. The impact surface (418) has a substantially flat portion configured to cause flow stagnation. The fin (306) has a side surface (416) extending between the impact surface (418), the wall interface (412), and the carrier interface. The impact surface (418) is joined to the side surface (416) by an edge profile (420) configured to cause turbulence or separation of the fluid flow from the fin.

Classes IPC  ?

• E21B 17/10 - Protecteurs contre l'usure; Dispositifs de centrage

Abrégé

Circular force generator devices (100), systems, and methods for damping vibrations which include two complementary rotor assemblies (110, 120) that are rotatable together about a common shaft (102) but that have an adjustable rotational position (P1, P2) with respect to one another such that a significant reduction in rotor inertia and bearing drag relative to conventional CFG configurations is provided. The present architecture creates virtually zero rotating moment.

Classes IPC  ?

• B64C 27/00 - Giravions; Rotors propres aux giravions
• B06B 1/16 - Procédés ou appareils pour produire des vibrations mécaniques de fréquence infrasonore, sonore ou ultrasonore utilisant l'énergie mécanique fonctionnant avec des systèmes impliquant des masses rotatives non équilibrées
• F16F 15/22 - Compensation des forces d'inertie
• G05D 19/02 - Commande des oscillations mécaniques, p.ex. de l'amplitude, de la fréquence, de la phase caractérisée par l'utilisation de moyens électriques
• H02K 7/06 - Moyens de transformation d'un mouvement alternatif en un mouvement circulaire ou vice versa

Abrégé

Systems, devices, and methods for active vibration control using circular force generators. In one aspect, a vehicle includes a vehicle frame, a cabin, an engine, and a number of vibration control devices mounted on the vehicle frame. Each vibration device includes a circular force generator comprising at least one mass and at least one motor configured to rotate the mass. The vibration control devices are configured to perform active vibration control to reduce noise and/or vibration within the cabin resulting from the engine deactivating a subset of cylinders in operation.

Classes IPC  ?

• F16F 15/00 - Suppression des vibrations dans les systèmes; Moyens ou dispositions pour éviter ou réduire les forces de déséquilibre, p.ex. dues au mouvement
• B62D 37/04 - Stabilisation des caisses de véhicules sans agir sur les dispositifs de suspension au moyen de masses mobiles
• F16F 7/10 - Amortisseurs de vibrations; Amortisseurs de chocs utilisant un effet d'inertie

Abrégé

Compliant mounting systems, devices, and methods for mounting a vehicle engine to a vehicle structure or base include a top mount, a lower mount, a center trunnion mount, and an aft mount which are configured to react forces transmitted by the engine to the vehicle structure. Metallic and elastomeric elements can provide vibrational and force isolation characteristics. Stops (e.g., snubbing elements) allow for a specific range of motion before internal mount structures contact each other to act as a conventional hard mount. Fluid elements and compressible gas-filled spaces/bladders may be incorporated to provide fluid damping behaviors to complement the metallic and elastomeric elements.

Classes IPC  ?

• F16F 13/00 - Ensembles comportant des ressorts du type non à fluide ainsi que des amortisseurs de vibrations, des amortisseurs de chocs ou des ressorts à fluide
• F02C 7/20 - Montage ou bâti de l'ensemble fonctionnel; Disposition permettant la dilatation calorifique ou le déplacement
• F16F 15/023 - Suppression des vibrations dans les systèmes non rotatifs, p.ex. dans des systèmes alternatifs; Suppression des vibrations dans les systèmes rotatifs par l'utilisation d'organes ne se déplaçant pas avec le système rotatif utilisant des moyens fluides

Abrégé

A snubber tool can be installed in a downhole tool string to reduce vibration in the downhole tool string. The snubber tool includes two compliance components having different stiffness properties and pre-compression and a drive washer that selectively applies further compression to the compliance components in response to external forces acting on the snubber tool. The compliance components retain their initial pre-compression under external loading of the snubber tool.

Classes IPC  ?

• E21B 47/01 - Dispositifs pour supporter des instruments de mesure sur des trépans, des tubes, des tiges ou des câbles de forage; Protection des instruments de mesure dans les trous de forage contre la chaleur, les chocs, la pression ou similaire
• E21B 17/07 - Joints télescopiques permettant de faire varier les longueurs de trains de tiges; Amortisseurs
• E21B 47/024 - Détermination de l'inclinaison ou de la direction des dispositifs dans le trou de forage

Abrégé

An isolator (200) has an outer housing (224) comprising an outer housing bore (234), an inner member (240) received coaxially within the outer housing (224), a precompressed compression compliance component (CCC) (230) disposed between the outer housing (224) and the inner member (240), the CCC (230) being configured to bias the inner member (240) in an axial direction, and a precompressed rebound compliance component (RCC) (232) disposed between the outer housing (224) and the inner member (240), the RCC (232) being configured to bias the inner member (240) in an opposite axial direction.

Classes IPC  ?

• E21B 17/07 - Joints télescopiques permettant de faire varier les longueurs de trains de tiges; Amortisseurs
• E21B 47/017 - Protection des instruments de mesure
• E21B 17/00 - Tiges ou tubes de forage; Trains de tiges souples; Tiges d'entraînement; Masses-tiges; Tiges de pompage; Tubages; Colonnes de production

Abrégé

Devices, systems, and methods for damping vibration of a structural component or power-transmission shafts are disclosed. Damping devices, systems, and methods utilize a lightweight damping device, which is targeted at reducing the resonant amplitude of the first several beaming modes and/or torsional modes of bending a structural component comprising a hollow shaft or strut. The damping device includes a stiff concentric tube with damping elements disposed at each end. The device is inserted within the original structural component or shaft and attached thereto. When the primary shaft undergoes bending due to modal characteristics, the damping elements react to dissipate energy, which effectively reduces the resonant amplitude.

Classes IPC  ?

• F16F 15/02 - Suppression des vibrations dans les systèmes non rotatifs, p.ex. dans des systèmes alternatifs; Suppression des vibrations dans les systèmes rotatifs par l'utilisation d'organes ne se déplaçant pas avec le système rotatif
• F16F 7/104 - Amortisseurs de vibrations; Amortisseurs de chocs utilisant un effet d'inertie l'élément d'inertie étant monté de manière élastique

Abrégé

Torque generating devices, systems, and/or related methods are disclosed. In one aspect, a torque generating device (100) may include a housing (102), at least one top and one bottom pole (108), at least one side pole (110), at least two rotors (116) for rotating within the housing, a shaft (104) supported by bearings (111), at least a first stator (120) disposed between portions of the at least two rotors (108), magnetically responsive (MR) material disposed within the housing (102) and at least partially surrounding the first stator (120) and the at least two rotors (108), and a coil (112) for generating a magnetic field, wherein an amount of torque generated by the torque generating device (100) increases in proportion to an amount of electrical current supplied to the coil (112). In another aspect, a method of generating torque may include providing a torque generating device (100) and rotating the at least two rotors (108).

Classes IPC  ?

• H02K 16/02 - Machines avec un stator et deux rotors
• B62D 5/00 - Direction assistée ou à relais de puissance
• F16D 27/00 - Embrayages actionnés magnétiquement; Leur commande ou leurs circuits électriques
• F16D 63/00 - Freins non prévus ailleurs; Freins combinant plusieurs des types mentionnés dans les groupes

Abrégé

A double knuckle coupling suitable for transmitting torque applied to a first input shaft to a second shaft wherein the coupling accommodates angular changes between the shafts. Additionally, the disclosure describes an improved mud motor transmission incorporating the coupling.

Classes IPC  ?

• F16D 3/26 - Joints de Hooke ou autres joints avec organe intermédiaire équivalent auquel chaque pièce d'accouplement est reliée par pivot ou par glissement
• E21B 17/02 - Accouplements; Joints
• F16D 3/04 - Accouplements extensibles, c. à d. avec moyens permettant le mouvement entre parties accouplées durant leur entraînement adaptés à des fonctions particulières spécialement adaptés pour permettre un déplacement radial, p.ex. joints Oldham

Abrégé

Systems and methods are disclosed that include providing an isolating mule shoe having an integrated axial isolator coupled to a landing sleeve of a drill string at an upper end of the axial isolator. The axial isolator includes an elastomeric component that is coupled between a first component and a second component. The first component and the second component are configured to displace axially with respect to one another as a result of a force imparted upon the landing sleeve to provide vibration control.

Classes IPC  ?

• E21B 17/07 - Joints télescopiques permettant de faire varier les longueurs de trains de tiges; Amortisseurs
• E21B 47/01 - Dispositifs pour supporter des instruments de mesure sur des trépans, des tubes, des tiges ou des câbles de forage; Protection des instruments de mesure dans les trous de forage contre la chaleur, les chocs, la pression ou similaire
• E21B 47/024 - Détermination de l'inclinaison ou de la direction des dispositifs dans le trou de forage

Abrégé

The invention provides a system for creating a prescribed vibration profile on a mechanical device comprising a sensor (30) for measuring an operating condition of the mechanical device, a circular force generator CFG (20) for creating a controllable rotating force vector comprising a controllable force magnitude, a controllable force phase and a controllable force frequency, a controller (22) in electronic communication with said sensor and said circular force generator, the controller operably controlling the controllable rotating force vector, wherein the difference between the measured operating condition and a desired operating condition is minimized.

Classes IPC  ?

• F16F 15/02 - Suppression des vibrations dans les systèmes non rotatifs, p.ex. dans des systèmes alternatifs; Suppression des vibrations dans les systèmes rotatifs par l'utilisation d'organes ne se déplaçant pas avec le système rotatif
• F16C 32/04 - Paliers non prévus ailleurs faisant usage de moyens de support magnétiques ou électriques

Abrégé

A riser tensioner system and method of making is provided. In the field of underwater petroleum production, petroleum wells and offshore platforms heavy structures are used to extract the petroleum from the ocean floor. These heavy structures use riser tensioner systems. The present invention provides an elastomeric bearing riser tensioner systems and that is resistant to corrosion and does not need lubrication. The elastomeric bearings use a combination of nonelastomeric shims and elastomer material bonded between bearing members, which are capable of being attached to the riser tensioners.

Classes IPC  ?

• E21B 19/00 - Manipulation de tiges, tubages, tubes ou autre objets analogues à l'extérieur du trou de forage, p.ex. dans la tour de forage; Appareils pour faire avancer les tiges ou les câbles

Abrégé

The present invention broadly comprises an aircraft motion control auxiliary power unit suspension system device, the aircraft motion control auxiliary power unit suspension system device comprising a first motion control nonelastomeric member and a second motion control nonelastomeric member, a first motion control elastomer member disposed to operatively interconnect the first motion control nonelastomeric member and the second motion control nonelastomeric member. The first motion control elastomer member includes an exterior surface coating formed from an elastomeric polymer dissolved in an organic solvent and the elastomeric polymer dissolved in the solvent is applied to an exterior surface of the first motion control elastomer member, the solvent evaporates, and the elastomeric polymer crosslinks.

Classes IPC  ?

• B64D 41/00 - Installations génératrices de puissance pour servitudes auxiliaires
• F16F 1/38 - Ressorts faits d'un matériau à friction intérieure élevée avec manchon de matériau élastique entre un manchon extérieur rigide et un étui intérieur rigide ou une broche

Abrégé

The present invention relates to the technical field of aircraft suspension systems. The invention disclosed is an aircraft suspension system device having two rod ends with the same thread hand and designed to prevent the distance from the rod ends from changing once installed.

Classes IPC  ?

• B64D 41/00 - Installations génératrices de puissance pour servitudes auxiliaires
• B64D 27/00 - Disposition du montage des groupes moteurs sur aéronefs; Aéronefs ainsi caractérisés
• F16C 7/02 - Structure des bielles de longueur fixe
• F16F 7/12 - Amortisseurs de vibrations; Amortisseurs de chocs utilisant une déformation plastique de ses organes
• F16M 7/00 - CHÂSSIS, CARTERS, CARCASSES OU BÂTIS POUR MOTEURS, MACHINES OU APPAREILS, NON SPÉCIFIQUES AUX MOTEURS, MACHINES OU APPAREILS PRÉVUS AILLEURS; APPUIS; SUPPORTS - Détails de fixation ou de réglage des bâtis, châssis ou pièces de supports des moteurs sur leurs fondations ou leur base; Fixation des parties fixes des moteurs, p.ex. des blocs cylindres

Abrégé

An adhesive composition comprising as principal components, a polymerizable component, an ambient temperature radical polymerization catalyst system and a photoinitiator. The adhesive may optionally comprise an adhesion promoter, a toughener, an epoxy, and a filler material. Further, a two- part reactive adhesive comprising, a first part comprising, (i) at least one free radical-polymehzable monomer, (ii) at least one reducing agent, and (iii) a photoinitiator, and a second part comprising an oxidizing agent that is reactive at ambient temperature with the reducing agent to produce free radicals that are capable of initiating and propagating free radical polymerization.

Classes IPC  ?

• B29C 65/00 - Assemblage d'éléments préformés; Appareils à cet effet
• C08F 2/50 - Polymérisation amorcée par énergie ondulatoire ou par rayonnement corpusculaire par la lumière ultraviolette ou visible avec des agents sensibilisants
• C08F 4/40 - Systèmes redox
• C08J 5/00 - Fabrication d'objets ou de matériaux façonnés contenant des substances macromoléculaires
• C09J 5/00 - Procédés de collage en général; Procédés de collage non prévus ailleurs, p.ex. relatifs aux amorces
• C09J 5/10 - Assemblage de matériaux par soudure des bords se chevauchant avec insertion de matière plastique
• C09J 133/00 - Adhésifs à base d'homopolymères ou de copolymères de composés possédant un ou plusieurs radicaux aliphatiques non saturés, chacun ne contenant qu'une seule liaison double carbone-carbone et l'un au moins étant terminé par un seul radical carboxyle, o; Adhésifs à base de dérivés de tels polymères

Abrégé

Disclosed is a rubber-metal adhesive in the form of dispersed solids in a volatile liquid carrier, with a specified pigment grind and is sprayable at uniform film coatings on metal surfaces at 25 ~ 2 solids content wt.% and a viscosity of from 50 to about 500 cps (Brookfield LVT 2 @ 30 rpm). The adhesive comprises a dispersion of solid particles comprising nitroso compound, halogenated polyolefin, acid acceptor and from 5% to 35 wt.% of inert, incompressible, spheroidal particles having a BET surface area of from 0.1 to 10 m2/g and a 50th percentile particle diameter (D50) of 5 to 25 ~m.

Classes IPC  ?

• C09J 123/28 - Adhésifs à base d'homopolymères ou de copolymères d'hydrocarbures aliphatiques non saturés ne possédant qu'une seule liaison double carbone-carbone; Adhésifs à base de dérivés de tels polymères  modifiés par post-traitement chimique par réaction avec des halogènes ou des composés contenant des halogènes
• C09J 11/04 - Additifs non macromoléculaires inorganiques