A control system (100) for a machine (105/110) includes one or more component controllers (235) for one or more components (240) of the machine (105/110). The control system (100) also includes a supervisory controller (200), connected to the one or more component controllers (235), and having at least one supervisory processor (210) configured to perform operations comprising receiving supervisory system inputs, including at least one of a machine component status input, a key switch input (215), a directional input (220), or an operator presence input (225), from an operator of the machine (105/110), requesting and receiving, from each of the one or more component controllers (235), a status of the one or more components (240), and, upon receiving an indication that a status of a component, of the one or more components (240), is faulted, disabling the faulted component, and disabling any other components (240), of the one or more components (240), that require the faulted component for operation.
A Battery Management System (BMS) configured to control a discharge current of a battery is provided. The BMS is configured to calculate a discharge energy of the battery for a timestep based on the discharge current and the duration of the timestep, and to calculate an accumulated discharge energy of the battery based on an accumulated discharge energy calculated for a preceding timestep and the discharge energy for the timestep. The BMS is further configured to determine a maximum discharge pulse current, calculate a discharge current limit, and control the discharge current of the battery such that the discharge current does not exceed the discharge current limit. The BMS can control a charge current of a battery in similar fashion.
An electric powertrain (120) includes an electric power source (122), an electric motor (124) and a multi-speed transmission (130). The powertrain (120) has an electronic controller (140). The controller (140) determines a respective rimpull torque limit (142, 144, 146) for the operating gear of the multi-speed transmission (130) and determines whether the rimpull torque demand exceeds the rimpull torque limit. Upon determining that the rimpull torque demand exceeds the rimpull torque limit, the controller (140) acts to either (i) shift the multi-speed transmission (130) to a gear in which the respective rimpull torque limit is at or above the rimpull torque demand or (ii) reduce the electric motor torque command to a level for which the rimpull torque is below the respective rimpull torque limit for the operating gear of the multi-speed transmission (130).
B60L 15/20 - Methods, circuits or devices for controlling the propulsion of electrically-propelled vehicles, e.g. their traction-motor speed, to achieve a desired performance; Adaptation of control equipment on electrically-propelled vehicles for remote actuation from a stationary place, from alternative parts of the vehicle or from alternative vehicles of the same vehicle train for control of the vehicle or its driving motor to achieve a desired performance, e.g. speed, torque, programmed variation of speed
A method of controlling contactor sequencing for a battery, wherein the battery comprises a circuit. The method comprises determining an architecture of the circuit, wherein the circuit comprises at least a positive contactor assembly and a negative contactor assembly. A direction of current flow through the circuit is determined. Ratings are determined for the positive and negative contactor assemblies for current flow in a first direction and a second direction. The method comprises determining a sequence of switching the contactor assemblies based on at least one of: the priorities assigned to the positive contactors; the priorities assigned to the negative contactors; the direction of current flow; the first and second ratings of the positive contactor assembly; and the third and fourth ratings of the negative contactor assembly. The method further comprises switching the contactor assemblies according to the sequence.
H02J 7/00 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
B60L 50/60 - Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
B60L 58/18 - Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries of two or more battery modules
The present disclosure provides a pin bushing and a method of manufacturing the same. The pin bushing comprises a first axial section, a second axial section and an intermediate section, the first axial section and the second axial section are located at both ends of the pin bushing in the axial direction, the intermediate section is disposed between the first axial section and the second axial section, the intermediate section has an intermediate radially outer portion and an intermediate radially inner portion, and hardness values of the first axial section, the second axial section and the intermediate radially outer portion are greater than that of the intermediate radially inner portion.
Operating an electric drive machine includes neutralizing a transmission in the electric drive machine operating in a first range, determining suitability of the electric drive machine for operating the transmission in a second range, and calculating a target transmission input speed, based on a speed parameter indicative of a transmission output speed, and the determined suitability for operating in a second range. A speed of an electric drive motor is varied based on the target transmission input speed, and a second clutch engaged to operate the transmission in the second range based on the varied speed of the electric drive motor. Related apparatus and control logic is also disclosed.
A system and method (300) for controlling a motor (110) of an electric drivetrain (105) having a multi-speed transmission (115) with at least a first clutch (130) and a second clutch (135). The system and method (300) includes initiating a transmission shift requiring engagement of the first clutch (130), applying synchronizing torque commands (250) to the motor (110) based on an engagement parameter of the first clutch (130) until the shift is complete, and applying non-shifting torque commands (250) to the motor (11) after the shift is complete.
A mobile machine (100) can include a traction powertrain (124) configured to operate on electrical power and which includes a traction motor (130) coupled to a transmission (132). To lubricate the transmission (132), the mobile machine (100) can include a lubrication system (160) having a lubricant pump (162) coupled with a pump motor (172). The traction motor (130) and the pump motor (172) are electrically arranged in parallel with each other. A powertrain sensor monitors rotational motion in the traction powertrain (124) and an electronic controller (180) can generate a lubricant supply command directing the lubricant pump (162) to deliver a first lubricant quantity to the transmission (132).
A quick coupler system for connecting a work tool to an arm of a work machine includes an adapter bracket with spaced apart side walls each having first and second adapter openings for receiving first and second bracket pins of a work tool bracket. The adapter bracket is disposed between bracket side walls of the work tool bracket when the adapter openings receiving the corresponding bracket pins. A coupler link having first and second coupler openings receives and engages the first and second bracket pins to connect the work tool to the arm, with the coupler link being disposed between the adapter side walls. The adapter bracket may have an adapter hydraulic interface block that is aligned with a coupler hydraulic interface block of the coupler link to form a fluid flow path for hydraulic fluid from a pressurize fluid source of the work machine to the work tool.
The electrical connector unit (212; 612; 712) includes a first connector (216; 716) electrically coupled to a component (152) to define a path for electrical supply therethrough for an activation and a deactivation of the component (152). The first connector (216; 716) includes a body, electrical contacts, and an opening. The body includes a surface that defines an array of electrical contact locations including one or more first electrical contact locations and a second electrical contact location. The electrical contacts extend correspondingly from the first electrical contact locations. The opening extends from the second electrical contact location to fluidly couple with an interior of an enclosure encasing the component (152). The first connector (216; 716) is configured to receive a second connector (220) configured to facilitate passage of a fluid through the opening to create a pressure differential between the interior of the enclosure and an exterior of the enclosure for performing a leak testing of the enclosure.
G01M 3/32 - Investigating fluid tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for containers, e.g. radiators
H01R 13/52 - Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
11.
RODS FOR ENGAGING A TOOL OF A HAMMER WITHIN A HOUSING OF THE HAMMER
A hydraulic hammer (140) includes a housing (210) configured to receive a housing portion (240) of a tool (145) and a first plurality of rods (220) provided in the housing (210). The first plurality of rods (220) are configured to engage a first portion of the housing portion (240) of the tool (145). The first plurality of rods (220) are parallel to a longitudinal axis (280) of the tool (145). The hydraulic hammer (140) further includes a second plurality of rods (230) provided in the housing (210). The second plurality of rods (230) are configured to engage a second portion of the housing portion (240) of the tool (145). The second plurality of rods (230) are parallel to the longitudinal axis (280) of the tool (145).
In some implementations, a node (510) may receive one or more communications (210), wherein the one or more communications include time information, and wherein the one or more communications are associated with a peer-to-peer network (205). The node (510) may identify (215) a primary node associated with the peer-to-peer network (205) based on an indicator included in a communication, from the one or more communications, that is associated with the primary node. The node (510) may synchronize (220) a time stored by the node based on time information included in the communication that is associated with the primary node. The node (510) may receive (230) an indication that the node has successfully joined the peer-to-peer network based on synchronizing the time to the time information. The node (510) may selectively update (320) the time stored by the node based on a reference time included in periodic data transfer communications that are associated with the primary node.
A work machine (100), such as a hauler at a mining site, includes a conductor rod (106) housing concentric metal tubes for receiving electrical power from a contactor sliding on a power rail. Electrical connectivity between conductors within the conductor rod (106) are provided using a conductive liquid. Corrosion barriers are used to protect the conductors while maintaining the electrical connectivity between the conductors.
A computer-implemented fleet management system for managing a diverse fleet of construction machines (20) can comprise: an AI processor (350) to: configure an artificial neural network (ANN) (360) with processor-adaptable weights (358) on edges (364) thereof that are applied to decision results thereof; train the ANN (360) to assign values to the weights (358) based on known telemetry data (248) as identified by respective known telemetry channel IDs in a native ontology; execute the trained ANN (360) on a set of telemetry data series (248) assembled from the construction machine telemetry data received from a member construction machine of the fleet of construction machines (20) to generate thereby one or more candidate telemetry channel IDs (332) for the respective telemetry data series; and compute a confidence measure indicative of a likelihood that the candidate telemetry channel IDs (332) correctly identify the telemetry data series. The system can also comprise a threshold comparator (380) to compare the computed confidence measure with a confidence threshold (382) and, if the computed confidence measure meets the confidence threshold (382), the candidate telemetry channel IDs (332) are provided as the telemetry channel IDs of the telemetry data series arriving from the member construction machine; and a telematics processor (60) to perform fleet management operations for the fleet of construction machines (20) based thereon the telemetry channel IDs.
An assembly for an electric motor includes a stator including a plurality of stator poles, each stator pole including a base end and a rotor end opposite the base end, and an electromagnetic coil around each stator pole. The coil around each stator pole includes at least two electrically conductive wires wound into multiple wire turns around the stator pole that extend from the base end of the stator pole to the rotor end of the stator pole. Wire turns of the coil closer to the rotor end of the stator pole are twisted and wire turns of the coil closer to the base end of the stator pole are not twisted.
H02K 3/14 - Windings characterised by the conductor shape, form or construction, e.g. with bar conductors arranged in slots with transposed conductors, e.g. twisted conductors
H02K 15/04 - Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of windings, prior to mounting into machines
H02K 15/095 - Forming windings by laying conductors into or around core parts by laying conductors around salient poles
A tool for a hydraulic hammer (406) of a work machine (100) is disclosed herein. The tool comprises a spline section (302) and a tool section (304). The spline section (302) includes a first spline sector (306) including at least six spline grooves (312) and a second spline sector (308) including at least six spline grooves (312). The first spline sector (306) and second spline sector (308) are separated by a spacer (310). The tool section diameter (316) is 3.2 - 4.8 times larger than the spline groove diameter and the tool section diameter (316) is smaller than a spline section (302) diameter.
A front rail weldment may include a base frame comprising a pair of substantially uninterrupted outlooking members extending from a first end to a second end and a cross member extending therebetween. The weldment may also include a pair of hangar bars each secured to respective outlooking members of the base frame at or near a midpoint of the respective outlooking members and extending upward to a top end. The weldment may also include a pair of struts extending from a respective first end of the pair of outlooking members to the top of a respective hangar bar of the pair of hangar bars. The weldment may also include a pair of tieback bars each configured for tying back the top end of a respective hangar bar of the pair of hangar bars.
B62D 21/18 - Understructures, i.e. chassis frame on which a vehicle body may be mounted characterised by the vehicle type and not provided for in groups
B62D 21/08 - Understructures, i.e. chassis frame on which a vehicle body may be mounted built-up with interlaced cross members ("Fachwerkrahmen")
B62D 23/00 - Combined superstructure and frame, i.e. monocoque constructions
B62D 27/02 - Connections between superstructure sub-units rigid
B62D 21/11 - Understructures, i.e. chassis frame on which a vehicle body may be mounted with resilient means for suspension
A suspension connection weldment may include a cross member having a first end and a second end and a pair of substantially parallel flank walls spaced apart from one another and arranged at respective first and second ends of the cross member. The flank walls may extend upward and forward from the respective first and second ends of the cross member and generally orthogonal to the cross member. The flank walls may include a plurality of vertically extending rib elements spaced horizontally along respective flank walls from a rear side of the flank wall to a front side of the flank wall. Each rib element may include an upper bore in an upper end and a lower bore in a lower end. The upper and lower bores may be configured to receive a suspension connecting pin.
B62D 21/11 - Understructures, i.e. chassis frame on which a vehicle body may be mounted with resilient means for suspension
B62D 21/02 - Understructures, i.e. chassis frame on which a vehicle body may be mounted comprising longitudinally or transversely arranged frame members
B62D 21/18 - Understructures, i.e. chassis frame on which a vehicle body may be mounted characterised by the vehicle type and not provided for in groups
B62D 27/02 - Connections between superstructure sub-units rigid
19.
SYSTEMS AND METHODS FOR MACHINE USAGE VISUALIZATION
A method (1100) for machine usage visualization, the method including: receiving (1102) job site location information for a plurality of machines (20); receiving (1104) telematics data (102) for multiple time periods (210) from one or more of the plurality of machines (20), the data including: machine type (204), fault codes (222), and usage information (212); receiving (1106) a machine status (104) for one or more of the plurality of machines (20); grouping (1110) the machines into machine groups (204) by the received machine type; and grouping (1108) the machines into job site groups (202) by the received job site location information.
Systems and methods are disclosed for controlling distributed energy resources. Controllers (107) in a peer-to-peer network are configured to act as a dispatch handler for electrical buses (103) connected to respective set of power assets (101) and loads. The controllers (107) are configured to broadcast micro-grid configuration information over the peer-to-peer network to each controller (107). Each controller (107) is configured to determine a segmentation of the electrical buses (103) into isolated micro-grids; and assign a controller (107) as a supervisor for each of the isolated micro-grids. The controllers (107) are configured such that supervisor controller (107) assigned to isolated micro-grid is configured to determine dispatch commands for power assets (101) associated with the isolated micro-grid to handle load requirements and broadcast the determined dispatch commands over the peer-to-peer network. Each controller (107) is configured to transmit determined dispatch commands to power assets (101) electrically connected to the electrical bus (103) for which the controller (107) acts as dispatch handler to handle the load requirements.
H02J 13/00 - Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
21.
INTEGRATED CONTROL DISPLAY SYSTEM AND CONSTRUCTION MACHINERY WITH THE SAME
The present disclosure relates to an integrated control display system (1) and a construction machinery with the same. The control display system (1) comprises: an environment detecting device (11), which detects an environment of the construction machinery and generates environment-data; a display device (12) that is directly or indirectly connected to the environment detecting device (11), thereby displaying the environment-data from the environment detecting device (11) in a visually perceivable way; a control device (13) connected to the display device (12); a steering related detecting module (14) connected to the control device (13) and transmitting a steering related detection information to the control device (13), wherein the control device (13) diagnoses a state of a main steering system based on the steering related detection information and generates an emergency steering command based on a result of diagnosis; and an emergency steering execution module (15) connected to the control device (13), wherein the emergency steering execution module (15) receives the emergency steering command from the control device (13) and executes an emergency steering operation based on the emergency steering command.
An example energy source for a work machine includes multiple battery cells connectable in parallel to form a battery system having a high pole and a low pole, a load bus to distribute energy from the battery system to the work machine, and a single point of connection between the battery system and the load bus. The single point of connection is a connector including a dual-pole single-throw (DPST) switch. The DPST switch includes a dual-switched circuit path to connect the high pole and the low pole to the load bus, and a single-switched circuit path to provide a switched connection of a high voltage interlock
H02J 1/00 - Circuit arrangements for dc mains or dc distribution networks
B60L 3/04 - Cutting-off the power supply under fault conditions
B60R 16/00 - Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
B60R 16/02 - Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric
H01H 19/00 - Switches operated by an operating part which is rotatable about a longitudinal axis thereof and which is acted upon directly by a solid body external to the switch, e.g. by a hand
H01H 23/24 - Tumbler or rocker switches, i.e. switches characterised by being operated by rocking an operating member in the form of a rocker button with two operating positions
A hydraulic actuator (200) for a work machine (100) includes a rod member (206) defining an annular shoulder (208), a piston (230) coupled to the rod member (206), and a collar (500) engaging with the rod member (206) and the piston (230). The collar (500) includes a body (502) defining a first end (504) and a second end (506). The body (502) includes a cylindrical portion (508) extending from the first end (504) of the body (502) towards the second end (506) of the body (502) and defining a first inner diameter (D1). The cylindrical portion (508) extends along a longitudinal axis (A1) of the hydraulic actuator (200). The body (502) also includes a flange (510) disposed at the second end (506) of the body (502) and radially extending from the cylindrical portion (508). The flange (510) defines a second inner diameter (D2). The first inner diameter (D1) of the cylindrical portion (508) is greater than the second inner diameter (D2) of the flange (510). The flange (510) is axially disposed between the piston (230) and the annular shoulder (208) defined by the rod member (206).
A system (200) for autonomously controlling a fluid refill station (FRS (118)) includes a sensor (202) that generates an input signal (II) indicative of an amount of fluid in a tank (110) of an autonomous truck (104) and a central controller (204). The central controller (204) monitors the amount of fluid in the tank (110) and assigns the autonomous truck (104) to the FRS (118) if the amount of fluid has reached a minimum threshold value (VI). The central controller (204) determines an alignment of the tank (110) of the autonomous truck (104) with a fluid outlet (126) of the FRS (118), directs the FRS (118) to refill the tank (110) with fluid if the tank (110) is in alignment with the fluid outlet (126) of the FRS (118), and directs the FRS (118) to stop refilling the tank (110) when the amount of fluid in the tank (110) has reached a maximum threshold value (V2). The central controller (204) marks the FRS (118) as non-functional based on a determination of an anomaly with the FRS (118).
B67D 7/02 - Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes for transferring liquids other than fuel or lubricants
B67D 7/14 - Arrangements of devices for controlling, indicating, metering or registering quantity or price of liquid transferred responsive to input of recorded programmed information, e.g. on punched cards
A modular battery for an electric work vehicle. The modular battery comprises a first battery pack configured to power the electric work vehicle. The modular battery comprises a second battery pack configured to power the electric work vehicle and to power an auxiliary electric power tool. The second battery pack is configured to be removable from the modular battery and wherein the second battery pack comprises a power converter.
B60L 50/60 - Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
B60L 53/80 - Exchanging energy storage elements, e.g. removable batteries
26.
SUBSURFACE UNDERLYING INCIPIENT FAILURE INDICATOR IN WEAR COMPONENTS
Wear components contain a subsurface underlying incipient failure indicator, machinery parts include at least one wear component containing a subsurface underlying incipient failure indicator, and mechanical systems include at least one machinery part including at least one wear component containing a subsurface underlying incipient failure indicator. An elastomeric seal (300) has one or more failure indicators including a spectrally distinguishable element and/or molecule from operating-native constituent matter of a mechanical system underlying at one or more subsurface distances, including at least one subsurface distance within an incipient failure region (302). Abrasive wear of an elastomeric seals (300) can expose subsurface strata (304) having failure indicators embedded therein, each exposure causing a spectrally distinguishable element and/or molecule to mingle with lubricant of the mechanical system. Based on detecting the failure-indicating characteristic spectrum, the mechanical system can be removed from operation and one or more elastomeric seals (300) replaced.
E21B 47/01 - Devices for supporting measuring instruments on drill bits, pipes, rods or wirelines; Protecting measuring instruments in boreholes against heat, shock, pressure or the like
27.
METHOD FOR MONITORING A STATE OF CHARGE OF A BATTERY OF AN ELECTRIC WORK VEHICLE
A method of monitoring a state of charge of a battery of an electric work vehicle comprises setting a first state of charge threshold and a second state of charge threshold. The first state of charge threshold is higher than zero and is selected from a first state of charge range. The second state of charge threshold is less than a highest charge capacity of the battery and is selected from a second state of charge range. In an event that an actual state of charge of the battery reaches the first state of charge threshold while the battery is discharging, a first notification is provided to an operator of the electric work vehicle. In an event that the battery is connected to a charging module, the battery is charged until an actual state of charge of the battery is equal to the second state of charge threshold.
B60L 58/13 - Maintaining the SoC within a determined range
B60L 58/16 - Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries responding to battery ageing, e.g. to the number of charging cycles or the state of health [SoH]
H02J 7/00 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
Disclosed is a control system (101) for depressurizing a work tool auxiliary circuit (400) fluidly connected to a work tool (116) coupled to a work machine (100) by a quick coupler (114). The system (101) may comprise a controller (120) configured to: receive an unlock signal for the work tool (116); receive tool data associated with the work tool (116), the tool data including a target pressure for the work tool auxiliary circuit (400) or a release duration for the relief valve (408); and in response to the unlock signal and the tool data, automatically actuate opening of the relief valve (408) (a) for the release duration or (b) until the target pressure is reached in the work tool auxiliary circuit (400) or machine-side circuit (412) or (c) to reach and maintain the target pressure in the work tool auxiliary circuit (400) or machine-side circuit (412).
A fundamental harmonic matching control technique (FHMT) can optimize the use of the switching devices needed to operate a dual active bridge DC/DC converter, which reduces the peak and RMS currents thereby reducing the switching power losses. The FHMT control techniques can also reduce the current rating of the switching devices, transformer, and the inductor of the dual active bridge DC/DC converter.
H02M 3/335 - Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
30.
SYSTEMS AND METHODS FOR CREATING USED PART MACHINE LEARNING TRAINING IMAGES
A method (400) for creating part images for training machine learning models, the method including: receiving (402) a three-dimensional model of a part (302), wherein the part model includes physical properties of the part including weight; simulating (404) dropping the part on a surface (304) from a selected height and orientation; randomly placing (406) one or more camera positions (306) around the dropped part (302); rendering (408) an image of the part model (302) for each of the one or more camera positions (306); and labeling (410) each image with part information.
An anti-release mechanism of a pin-grabber coupler (114) securing a work tool (116) connected to a work machine (100) is disclosed. The anti-release mechanism comprises an actuator (206), a wedge (300), a latch (302), a guide rod (304) connecting the wedge (300) and the latch (302), and a bias member (306) on a first guide rod end of the guide rod (304) biasing the latch (302) and the wedge (300) together. The wedge (300) and the latch (302) lock around a pin (210) of the work tool (116) and maintain the wedge (300) against the pin (210) of the work tool (116) during a loss of engagement force of the wedge (300) against the pin (210).
A technique is directed to methods (100, 200) and systems (400) for customer accounts association in multilingual environments. The data aggregation system (400) can utilize a machine learning-based algorithm that identifies all the accounts belonging to the same customer based on relevant account information (102). Inputs can include customer name, customer address, email, phone number, type of industry, or type of fleet. The system utilizes feature creation and a coarse pass to identify likely account pairs (202), perform account association by preparing an input core dataset (204), and update the core dataset (300) at a predefined time interval with identified new or changed records.
A device (120) may determine a current level of moisture of a section of a ground surface (130). The device (120) may determine a moisture removal rate of the section of the ground surface (130). The device (120) may predict an expected level of moisture of the section of the ground surface (130) at an estimated time of arrival of an autonomous machine (102) with a water dispensing unit (112) and determine an amount of water to be dispensed by the autonomous machine (102) at the section of the ground surface (130). The expected level of moisture may be predicted based on the current level of moisture and the moisture removal rate. The amount of water may be determined based on the expected level of moisture and a desired level of moisture. The device (120) may provide a command, to the autonomous machine (102), to cause the autonomous machine (102) to dispense the amount of water to the section of the ground surface (130).
A pantograph assembly (132) includes one or more force dampeners (224). When the pantograph is in a lowered position, the force dampeners (224) absorb forces imparted onto the pantograph assembly (132) by the movement of a work machine (100) to which the pantograph assembly (132) is installed. Additionally, in some examples, the pantograph assembly (132) includes a support frame (232) that provides structural rigidity to an A-frame (230).
B60L 5/19 - Current-collectors for power supply lines of electrically-propelled vehicles using bow-type collectors in contact with trolley wire using arrangements for effecting collector movement transverse to the direction of vehicle motion
B60L 5/28 - Devices for lifting and resetting the collector
35.
BRACKET ASSEMBLY FOR MOUNTING VISUAL PERCEPTION DEVICES TO MOBILE CONSTRUCTION MACHINE
A bracket assembly (208), for mounting a visual perception device (144) to a structure (140) of a mobile construction machine (100), includes a first bracket (212) and a second bracket (216). The first bracket (212) is selectively positionable in a plurality of first positions with respect to the structure (140). The plurality of first positions is defined around a first axis (X1). The second bracket (216) defines a first portion (312) and a second portion (316). The first portion (312) is selectively positionable in a plurality of second positions with respect to the first bracket (212). The plurality of second positions is defined around a second axis (X2). The second portion (316) extends from the first portion (312). The second portion (316) facilitates a selective positioning of the visual perception device (144) in a plurality of third positions with respect to the second portion (316). The plurality of third positions is defined around a third axis (X3).
The present technology is directed generally to industrial machine remote operation systems, devices, and methods. In some embodiments, an industrial machine remote operation system (110) configured in accordance with embodiments of the present technology includes a control interface (330) including one or more elements associated with remote operation of an industrial machine (100, 200). In at least some embodiments, the control interface (330) can include one or more indicators associated with motion and/or an orientation of the machine. Additionally, or alternatively, the control interface can include one or more indicators associated with motion and/or orientation of a component of the machine, such as a machine work tool (202).
H04Q 9/00 - Arrangements in telecontrol or telemetry systems for selectively calling a substation from a main station, in which substation desired apparatus is selected for applying a control signal thereto or for obtaining measured values therefrom
G05D 1/00 - Control of position, course, altitude, or attitude of land, water, air, or space vehicles, e.g. automatic pilot
G06T 7/70 - Determining position or orientation of objects or cameras
H04N 7/18 - Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
G09G 5/377 - Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the display of individual graphic patterns using a bit-mapped memory - Details of the operation on graphic patterns for mixing or overlaying two or more graphic patterns
37.
PLANNED MAINTENANCE SCHEDULE SYNCHRONIZATION WITH ONBOARD DISPLAY DEVICE
A planned maintenance system (102) communicates with a set of user platforms that includes an onboard display device (108) of a machine (106). The planned maintenance system changes a maintenance schedule (104) for the machine based on input data (112) received from any of the user platforms, or usage data (120) associated with the machine. The planned maintenance system provides output data (114) reflecting changes to the maintenance schedule to the user platforms, including the onboard display device. Accordingly, the set of user platforms, including the onboard display device of the machine, can be synchronized with consistent information about the maintenance schedule for the machine.
G06Q 10/20 - Administration of product repair or maintenance
G07C 5/08 - Registering or indicating performance data other than driving, working, idle, or waiting time, with or without registering driving, working, idle, or waiting time
G07C 5/00 - Registering or indicating the working of vehicles
A lock assembly for attaching a wear member (200) to a base (300) includes a retaining block (400) with a spring (600) attached to the retaining block (400) that fits into an aperture of the base (300). A lock pin (500) fits into the aperture (220) of the wear member (200), and the aperture (308) of the retaining block (400), retaining the wear member (200) onto the base (300). The lock pin (500) engages the spring (600) that prevents unintentional rotation of the lock pin (500) so that the lock pin (500) is trapped in the aperture (220) of the wear member (200), preventing its unintentional removal.
Wear pad assembly (20) for an extendable boom having a first boom section (21) and a second boom section. The wear pad assembly (20) comprises an anchor (30) for mounting to the first boom section (21). The anchor (30) comprises a pin (31) extending between a first end (32) and a second end (33) along a longitudinal axis (34). The anchor (30) further comprises a connecting portion (35) extending outwardly from the first end (32) of the pin (31) in a plane perpendicular to the longitudinal axis (34), the connecting portion (35) comprising a connecting aperture (37). The wear pad assembly (20) further comprises a wear pad (40) having a thickness (41) extending between a coupling surface (42) and an opposing sliding surface (43), the coupling surface (42) comprising a recess (44) for engagement with the pin (31) of the anchor (30). The wear pad assembly (20) comprises an adjuster (50) for adjusting the position of the wear pad (40) along the pin (31) in a direction parallel to the longitudinal axis (34), the adjuster • (50) having a contact end (51) that is inserted through the connecting aperture • (37) and contacts the coupling surface (42) of the wear pad (40).
A lock (400) includes a drive portion (402) and a pin receiving portion (404). The drive portion (402) includes a polygonal aperture (406), and the pin (500) receiving portion (404) includes a hole (408) with an internal surface of revolution (228) that defines an axis of rotation (226), a radial direction (414), a circumferential direction (230), and a slot extending at least partially through the pin receiving portion (404) into the hole (408).
A battery management system configured to couple to at least one battery module, the battery management system includes a contact configured to couple between the at least one battery module and a machine, a sensor configured to sense an electrical parameter of the at least one battery module, and a control circuit configured to receive an output of the sensor and determine a value of the electrical parameter. The sensor includes an inverting charge pump coupled to receive a positive supply voltage and generate a negative supply voltage, and a differential amplifier coupled to the at least one battery module and supplied by the positive supply voltage and the negative supply voltage, the differential amplifier configured to generate an output representing the electrical parameter.
H02J 7/00 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
B60L 58/10 - Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
H01M 10/48 - Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
In some implementations, one or more devices (178, 180) may determine whether an electrical circuit is closed or open, the electrical circuit including electrodes (330) of the sensor device (180), the electrical circuit being closed based on the electrodes (330) being immersed in a lubricant in a cavity of a component of a track assembly (170, 172, 174, 176, 178) of the machine (100), the electrical circuit being open based on the electrodes (330) not being immersed in the lubricant in the cavity. The one or more devices (178, 180) may generate sensor data based on determining that the electrical circuit is open, the sensor data indicating that a level, of the lubricant in the cavity, does not satisfy a level threshold. The one or more devices (178, 180) may cause the machine (100) to perform an action based on the sensor data indicating that the level does not satisfy the level threshold.
F16N 29/04 - Special means in lubricating arrangements or systems providing for the indication or detection of undesired conditions; Use of devices responsive to conditions in lubricating arrangements or systems enabling moving parts to be stopped
G01F 23/24 - Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of resistance of resistors due to contact with conductor fluid
The present disclosure is directed towards a wear pad assembly (20) for an extendable boom having a first boom section (21) and a second boom section. The wear pad assembly (20) comprises an anchor (30) for mounting to the first boom section (21). The anchor (30) comprises a pin (31) extending between a first end (32) and a second end (33) along a longitudinal axis (34). The anchor (30) further comprises a wear pad (40) having a thickness (41) extending between a coupling surface (42) and an opposing sliding surface (43), the coupling surface (42) comprising a recess (44) for engagement with the pin (31) of the anchor (30). The recess (44) is configured to provide a clearance fit with the pin (31).
A work implement (112) for a construction machine (100) includes a collection member (124), a first side wall (132), a second side wall (134), and a plate member (136) coupled to the collection member (124), the first side wall (132), and the second side wall (134). The collection member (124), the first side wall (132), the second side wall (134), and the plate member (136) together define a hollow space (142). Further, at least one of the first side wall (132), the second side wall (134), and the plate member (136) define an opening (144) that communicates with the hollow space (142). The work implement (112) further includes a sensor mounting system (150) including a cover (152, 252, 352, 452), a plurality of mechanical fasteners (158) adapted to couple the cover (152, 252, 352, 452) with the work implement (112), and a sensor (164) mounted on the cover (152, 252, 352, 452). Upon coupling of the cover (152, 252, 352, 452) with the first side wall (132), the sensor (164) is partially received within the hollow space (142).
A collision avoidance system and method for a mobile machine includes determining a boundary zone (118) and providing a notification (234) and/or control command (232) to prevent a collision with another object (116). A first safety zone (408) associated with a first and second portion of the mobile machine is determined. A second safety zone (410) associated with the second portion of the mobile machine is determined. A boundary zone (118) is determined as a function of a combination of the first (408) and second safety zone (410). A notification (234) and/or a control command (232) is provided based on a relationship of an object (116) to the boundary zone (118).
A lock assembly (202a) for attaching a wear member (200b) to a base (300b) includes a threaded retaining block (400a) with a C-spring (700) attached to the retaining block (400a) that fits into an aperture (306a) of the base (300b). A threaded lock pin (800) fits into the aperture (220a) of the wear member, and the threaded aperture (426) of the retaining block (400a), retaining the wear member (200b) onto the base (300b). The threaded lock pin (800) engages the C-spring (700) that prevents unintentional rotation of the threaded lock pin (800) so that the threaded lock pin is trapped in the aperture (220a) of the wear member (200b), preventing its unintentional removal.
A retaining mechanism (400a) includes a retainer (404a) with a skirt (416) that has a surface of revolution (474) with an axis of rotation (230). The skirt (416) extends 180.0 degrees or less about the axis of rotation (230), forming a thru-slot (422). A drive portion (423) extends axially from the skirt (416).
The present disclosure is directed towards a wear pad assembly (20) for an extendable boom having a first boom section (21) and a second boom section. The wear pad assembly (20) comprises a base plate (30) for mounting to the first boom section (21), the base plate (30) comprising one or more locating protrusions (35). The wear pad assembly (20) further comprises a wear pad (40) having a thickness (41) extending between a coupling surface (42) and an opposing sliding surface (43) The coupling surface comprises a recess (44) for engagement with the one or more locating protrusions (35) of the base plate (30). The recess (44) is configured to provide a clearance fit with the one or more locating protrusions (35) of the base plate (30).
B66C 23/70 - Jibs assembled from separate sections to form jibs of various discrete lengths
B66F 9/065 - Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks non-masted
49.
SYSTEMS AND METHODS FOR ASSET IDENTIFICATION STRING ERROR DETECTION AND CORRECTION
A method (200) for asset identification string error detection can include receiving (202) an asset identification string corresponding to an asset and aggregating (204) data associated with the asset from multiple sources. The method can include creating (206) one or more probabilistic tables linking the aggregated data to the asset and determining (208) a likelihood that at least a portion of the asset identification string is correct based on the probabilistic tables. The method can indicate (210) that the asset identification string includes an error when the likelihood is less than a selected threshold and otherwise indicate (212) that the asset identification string is correct when the likelihood is greater than or equal to the selected threshold.
A driving circuit to control/drive a contactor using a high-side driver integrated into the battery pack controller. The driver circuit may electrically isolate the controller pins of the battery pack controller (which interface the contactors) from the low-voltage digital processing core of the battery pack controller. The driver circuit may provide techniques to diagnose a fault by monitoring the voltage at the output of the driver as compared to the reference voltage. The driver circuit may include an electronic switch, such as a field-effect transistor, that is configured on the high side of the contactor to control voltage from an energy source to the contactor.
An inert blanket system includes a reformer (128) that produces hydrogen gas (130) and carbon dioxide (135). The hydrogen gas (130) is separated from the carbon dioxide (135). The carbon dioxide (135) is ported to a vapor region (122) of a tank (114) to reduce the flammability of the gases in the vapor region (122) of the tank (114). Excess carbon dioxide (135) is ported to an overflow system (150) designed to store the excess carbon dioxide (135) for future use or to sequester the carbon dioxide (135).
C01B 3/32 - Production of hydrogen or of gaseous mixtures containing hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide, air
C01B 3/50 - Separation of hydrogen or hydrogen containing gases from gaseous mixtures, e.g. purification
B64D 37/32 - Safety measures not otherwise provided for, e.g. preventing explosive conditions
F02D 41/00 - Electrical control of supply of combustible mixture or its constituents
52.
SYSTEMS AND METHODS FOR MANAGING ASSIGNMENTS OF TASKS FOR WORK MACHINES USING MACHINE LEARNING
Systems and methods are disclosed for managing task assignments (214) for a plurality of work machines (107) at a site (100). An assignment engine (220) may: receive first state data (206) for a work machine including historical data, operating condition, and location data, and second state data (206) for the site (100) including characteristic data for materials and a plurality of available tasks; predict performance data and energy consumption data of the work machine for a task; select a task for the work machine by inputting first state data (206) and second state data (206) into a trained reinforcement-learning model (228), wherein: the model (228) has been trained to learn an assignment policy (230) that optimizes a reward function (232) such that the learned policy selects a task for at least one work machine from the plurality of tasks available at the site (100); and cause the at least one work machine to be operated according to the at least one task assignment (214).
G06Q 10/06 - Resources, workflows, human or project management; Enterprise or organisation planning; Enterprise or organisation modelling
G06Q 10/04 - Forecasting or optimisation specially adapted for administrative or management purposes, e.g. linear programming or "cutting stock problem"
A method (400) for object weight estimation, including: training (402) an object identification model (300); receiving (404) one or more images from a camera (28) positioned on a machine (20) engaged in a lifting operation; feeding (406) each of the one or more images into the object identification model (300); receiving (408), from the trained object identification model (300), a predicted object corresponding to the object (30) to be lifted by the machine (20) and a probability that the predicted object corresponds to the object (30) being lifted by the machine (20); and estimating (412) a weight of the object (30) based on at least the predicted object and comparing the estimated weight to lifting parameters associated with the machine (20) when the probability is greater than a selected confidence threshold.
A method and corresponding system (600) for worksite access point placement optimization, the method (600) including: generating (602) a connectivity profile for a machine (150); receiving (604) a worksite definition for a worksite (100); simulating (606) a machine path (200) within the worksite (100) according to the worksite definition; estimating (608) connection strength at the machine (150), based on the connectivity profile, for multiple locations along the machine path (200) and for multiple access point locations (410) around the worksite (100); and providing (610) a map of the worksite (100) including an indication of relative overall connection strength for each of the multiple access point locations (410).
One or more devices may determine an electrical property of a wear measuring component (216) of a sensor device (186). The sensor device (186) is provided in a first cavity (210) of a track link pin (178, 200) of a track assembly (170) of the machine (100). The wear measuring component (216) extends from the first cavity (210) through a second cavity (212) of the track link pin (178, 200) to an outer surface (216) of the track link pin (178, 200). The one or more devices may determine a length of the wear measuring component (216) based on the electrical property. The one or more devices may generate sensor data indicating an amount of wear of the outer surface (216) based on the length of the wear measuring component (216). The one or more devices may provide the sensor data to a controller (140) of the machine (100) to cause the controller (140) to provide a notification regarding the amount of wear of the outer surface (216).
A method of adjusting a first plane of a work machine comprising first, second, third and fourth adjustable stabilisers that are each extendable between a minimum extension and a maximum extension. A difference in length between the minimum extension and the maximum extension is the same for each adjustable stabiliser. The first, second, third and fourth adjustable stabilisers are configured to support the work machine when a distal end of each adjustable stabiliser is in contact with a ground surface. A first stabiliser pair comprises the first adjustable stabiliser and the second adjustable stabiliser. A second stabiliser pair comprises the second adjustable stabiliser and the third adjustable stabiliser. The method comprises: a. extending the first, second, third and fourth adjustable stabilisers to a first configuration, wherein in the first configuration each adjustable stabiliser is at a calibration extension and the first plane is parallel to a reference plane defined by points of contact of the distal ends of the first, second, third and fourth adjustable stabilisers with the ground surface; b. adjusting the first stabiliser pair such that the first, second, third and fourth adjustable stabilisers arrive at a second configuration, wherein in the second configuration: either the tilt sensor indicates that the first plane is parallel to a first axis of a target plane; or the first adjustable stabiliser and the second adjustable stabiliser have reached the maximum extension; c. adjusting the second stabiliser pair such that the first, second, third and fourth adjustable stabilisers arrive at a third configuration, wherein in the third configuration: either the tilt sensor indicates that the first plane is parallel to a second axis of the target plane; or the second adjustable stabiliser and the third adjustable stabiliser have reached maximum extension.
Systems, methods, and assemblies regarding a torque device (110, 150) can comprise at least one plate (111) having a contact face (162); and a piston (112) of the torque device assembly to slidingly engage and disengage with the contact face (162) of the plate (111). A face (172) of the piston (112) can be selectively engageable with the contact face (162) of the plate (111). The face (172) of the piston (112) can have a first portion (174) that faces the contact face (162) of the plate (111) and that can contact the contact face (162) of the plate (111) in a case where the piston (112) engages the plate (111). The face (172) of the piston (112) can have a second portion (177) that faces the contact face (162) of the plate (111) and that does not contact the contact face (162) of the plate (111) in the case where the piston (1121) engages the plate (111).
F16D 25/0638 - Fluid-actuated clutches in which the fluid actuates a piston incorporated in the clutch the clutch having friction surfaces with clutch members exclusively moving axially with flat friction surfaces, e.g. discs with more than two discs, e.g. multiple lamellae
A computing system generates a route graph that defines machine-traversable route segments at a worksite, based on a design file indicating locations and shapes of structures at the worksite, and other data indicating locations of drop points. The computing system can generate some of the route segments to extend between pairs of structures, such that autonomous machines can traverse the route segments to deliver material to drop points located between the pairs of structures. For example, the worksite may be a solar farm under construction, and the structures can be installation assemblies upon which solar panels, delivered to drop points, can be installed. The route graph can define route segments that pass between pairs of the installation assemblies. A machine can travel along a defined route segment between a pair of installation assemblies to deliver solar panels at one or more drop points located between the pair of installation assemblies.
G06Q 10/047 - Optimisation of routes or paths, e.g. travelling salesman problem
B25J 5/00 - Manipulators mounted on wheels or on carriages
B66F 9/06 - Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
G05D 1/02 - Control of position or course in two dimensions
H02S 10/00 - PV power plants; Combinations of PV energy systems with other systems for the generation of electric power
An electric machine (102) and sitewide control system and method that use a trolley power system at a worksite (100) is disclosed. The trolley power system allows electric machines (102) at the worksite (100) to draw power from the trolley power system to concurrently operate to perform tasks and recharge their batteries (214). This allows the batteries (214) on electric machines (102) to be smaller than they would otherwise be, since a fully charged battery (214) is not needed when operational power can be drawn from the trolley power system. The trolley power system is segmented, such that if one segment (108) is faulted, the other segments (108) can operate to provide power to electric machines (102) at the worksite (100). Additionally, a sitewide controller (124) initiates operational changes, such as a change in speed, for the electric machines (102) at the worksite (100) to compensate for one or more faulted segments (108).
An apparatus can include sensor circuitry to detect a machine movement of a work machine along a surface. The apparatus can also include processing circuitry to receive machine movement information or force-related information and to determine probability that unwanted movement will occur. The processing circuitry can also provide a mitigation control signal to mitigate unwanted movement responsive to determining that the probability that unwanted movement will occur is above a threshold.
G05G 9/047 - Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously the controlling member being movable in different independent ways, movement in each individual way actuating one controlled member only in which movement in two or more ways can occur simultaneously the controlling member being movable by hand about orthogonal axes, e.g. joysticks
A method of identifying blade penetration that is ineffectual by a blade-based machine at a work site, including: attempting to cut an area of ground by the blade-based machine at the work site; determining that the cut is ineffectual based on a determination of a threshold cut volume achieved by the blade-based machine, the threshold cut volume being based on input from one or more position sensors on the blade-based machine; and initiating one or more remedial actions based on the determination of ineffectual cutting by the blade-based machine.
A work machine can include a machine frame; a component box attached to a roof of the machine frame; a first lidar sensor located at a front corner of the component box; and a second lidar sensor located at a back corner of the component box on an opposite side of the component box than the first lidar sensor.
A wing shroud (200) has a body (215) including a side portion (220) having a side inner surface (235), a side abutment surface (240), a side outer surface (245), and a side rear surface (315), a floor portion (225) having a floor upper surface (250), a floor lower surface (355), a floor front surface (255), a floor outer surface (295), and a floor rear surface (320), and an attachment recess (350) defined by a plurality of inward surfaces on the side and floor portions. The body also has a leading edge (230) extending between the side inner surface, the side outer surface, the floor front surface, the floor upper surface, and the floor outer surface, and including an upper end (265), a transition portion (270), a lower curved portion (275), and a lower end (280).
In some implementations, a controller may receive event information associated with one or more events associated with the system, wherein the event information indicates flexible event indicator annunciation information for respective events of the one or more events. The controller may configure the event information for the one or more events. The controller may transmit, to a display device, an event information message, associated with an event of the one or more events, that includes flexible event indicator annunciation information, associated with the event, to be displayed by the display device when the event is active.
A work machine can include a machine frame; and a component box holding a plurality of electrical components mounted to a roof of the machine frame; wherein the component box includes a plurality of indicator light sets exposed on an outer surface of the component box, wherein the plurality of indicator light sets are configured to indicate to external personnel a mode of operation of the work machine.
B60Q 1/26 - Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic
B60Q 1/50 - Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating other intentions or conditions, e.g. request for waiting or overtaking
A method of automatically turning an autonomous mining truck (AMT) (100), including front wheels (104) and rear wheels (106), around in an operating area (110), including retrieving boundary data associated with the operating area (110), determining a first path to follow to execute a turn maneuver within the operating area (110) based at least on the boundary data and dimensions of the AMT (101), wherein the first path includes a number of legs necessary to follow the first path through the turn maneuver, completing a first leg of the turn maneuver, determining a second path to follow and number of legs necessary to execute the turn maneuver based on an inability to execute the first path, and executing the second path to complete the turn maneuver.
A method of starting a compression ignition engine is provided. The method comprises using a glow plug of the compression ignition engine to perform a warm up routine to preheat the compression ignition engine. During the warm up routine, a fuel rack actuator of the fuel rack is actuated which controls the quantity of fuel to be injected into the compression ignition engine such that the fuel rack is in a start-up fuel injection position by the end of the warm up routine. Following the end of the warm up routine, the compression ignition engine is cranked until the compression ignition engine starts, wherein the fuel rack actuator maintains the start-up fuel injection position of the fuel rack until the compression ignition engine has started.
F02N 19/06 - Aiding engine start by thermal means, e.g. using lighted wicks by heating of fluids used in engines by heating of combustion-air by flame generating means, e.g. flame glow-plugs
A shroud retention system (30) may include a retainer plate holder (102) having a top surface, a bottom surface parallel to the top surface, a retainer plate engaging surface (110) extending between the bottom surface and the top surface, wherein the retainer plate engaging surface (110) may be inclined relative to a plane perpendicular to the top surface, a rear surface (124) opposite the retainer plate engaging surface (110), a through-hole (120) intersecting the retainer plate engaging surface (110) and the rear surface (124) and one or more protrusions extending from the retainer plate engaging surface (110).
Systems and methods for determining a dimension of a component are disclosed. The method includes receiving one or more images, one or more videos, or a combination thereof of a caliper (100) having a plurality of markers (111, 113, 115). The one or more images, the one or more videos, or a combination thereof are captured by one or more image sensors (305) of a mobile device (301). The plurality of markers (111, 113, 115) includes a respective marker on each of a first measuring arm (101), a second measuring arm (103), and a pivot point of the caliper (100). A processing, via one or more processors, of the one or more images, the one or more videos, or a combination thereof of the caliper (100) with the plurality of markers (111, 113, 115) to determine locations of the plurality of markers. A processing, via the one or more processors, of the locations of the plurality of markers (111, 113, 115) to determine a distance between a first tip (107) of the first measuring arm (101) and a second tip (109) of the second measuring arm (103).
G01B 3/24 - Feeler-pin gauges, e.g. dial gauges with open yoke, i.e. calipers
G01B 11/03 - Measuring arrangements characterised by the use of optical techniques for measuring length, width, or thickness by measuring coordinates of points
70.
FUEL INJECTOR NOZZLE ASSEMBLY INCLUDING NEEDLE HAVING FLOW GUIDING TIP FOR DIRECTING FUEL FLOW
A fuel injector (40) includes a nozzle needle (48) movable within an injector housing (42) and including a flow guiding tip (68). The flow guiding tip includes an outer ramp surface (70), defining, in profile, a concave curve (71) and a fuel trajectory line tangent to the concave curve and extending through a spray orifice inlet (58) to direct fuel into the same. Related methodology is also disclosed.
A battery module (106) for construction of a battery pack (102) includes a battery sealed in a rectangular housing (108) with front and rear open ends (113) closed by front and rear plates (112), respectively. The rear plate (112) includes a plurality of rear plate (112) bores in axial alignment with a plurality of housing bores (142) proximal the rear open end (113) of the housing (108). The front plate (110) includes a plurality of front plate (110) bores in axial alignment with a plurality of housing bores (142) proximal the front open end (111) of the housing (108). The front plate (110) additionally includes positive and negative terminals electrically connected to the battery. At least one of the rear plate (112) and the front plate (110) further includes at least one inactive opening (410), and at least one of a grounding cable (412), a clipping structure (414) adapted to receive a cable (416), or a supplemental, non-conductive attachment is received by the inactive opening (410).
H01M 50/209 - Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for prismatic or rectangular cells
H01M 50/298 - Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by the wiring of battery packs
H01M 50/502 - Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
H01M 50/517 - Methods for interconnecting adjacent batteries or cells by fixing means, e.g. screws, rivets or bolts
A battery system (12) for a machine (10) includes one or more battery module cell bus bars (42) and one or more terminal bus bars (48). The one or more terminal bus bars (48) include a coupling (58) configured to couple the battery system (12) to one or more components of the machine (10). The battery system (12) also includes an interconnect system (46) coupling the one or more battery module cell bus bars (42) to the one or more terminal bus bars (48). The battery system (12) further includes a battery module circuit (64) coupled to one or more portions of the interconnect system (46). The battery module circuit (64) includes one or more thermistors (70) positioned at least partially overlapping with the one or more terminal bus bars (48).
H01M 10/48 - Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
H01M 10/637 - Control systems characterised by control of the internal current flowing through the cells, e.g. by switching
H01M 50/204 - Racks, modules or packs for multiple batteries or multiple cells
H01M 50/502 - Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
H01M 50/284 - Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders with incorporated circuit boards, e.g. printed circuit boards [PCB]
H01M 10/42 - Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
G01R 31/00 - Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
An idler adjustment assembly (116), includes a support block (200); a first wear component 302; a second wear component 304; a first set of one or more adjustment components (306) configured to move the first wear component 302 between a first plurality of positions that are adjacent to an external surface of a first side (206) of the support block (200); a second set of one or more adjustment components (308) configured to move the second wear component 304 between a second plurality of positions that are adjacent to an external surface of a second side (208) of the support block (200); a first set of one or more alignment components (310) configured to maintain a first alignment of the first wear component 302 relative to the external surface of the first side (206) of the support block (200); and a second set of one or more alignment components (312) configured to maintain a second alignment of the second wear component 304 relative to the external surface of the second side (208) of the support block (200).
Machines can operate based on electricity received from a charging rail system installed along a route at a worksite. Sensors on the machines capture image data indicating locations and/or orientations of components of the charging rail system. Machine controllers of the machine, and/or a worksite controller, can monitor the integrity of the charging rail system by detecting possible faults if the locations and/or orientations of one or more components vary by more than a threshold amount from target locations and/or orientations. The machine controllers and/or the worksite controller can also initiate one or more response actions when a possible fault in the charging rail system is detected.
G08B 25/10 - Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium using wireless transmission systems
G08B 5/22 - Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electromagnetic transmission
A combination of seals and wear guides (18) for use in a hydraulic cylinder (10) provides a sealed engagement between a piston rod (12) of the hydraulic cylinder (10) and an inner circumferential surface of a rod end of a cylinder barrel (14) of the hydraulic cylinder through which the piston rod (12) is axially movable. The combination includes a cylindrical metallic wear guide (360) for seating within a first annular groove (361) formed around the inner circumferential surface, a buffer seal assembly including an annular buffer seal (350) cooperatively mated with an annular backup ring (352) for seating within a second annular groove (351), a U-cup seal (340) for seating within a third annular groove (341), a cylindrical plastic wear guide (330) for seating within a fourth annular groove (331), and a triple lip wiper seal (320) including three ringed lip portions (322, 324, 326) for seating within a fifth annular groove (321).
F15B 15/14 - Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith characterised by the construction of the motor unit of the straight-cylinder type
F16J 15/56 - Other sealings for reciprocating rods
F16J 15/16 - Sealings between relatively-moving surfaces
F16J 15/3236 - Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip having two or more lips with at least one lip for each surface, e.g. U-cup packings
76.
DEVICE FOR MANUAL WELDING OF TUBE; AND METHOD OF MANUAL WELDING A FIRST WORKPIECE TO A SECOND WORKPIECE USING A FIXTURE
The present application relates to a device (100) for welding workpieces, in particular tubes (114, 116), and includes a track (140) configured to surround a workpiece (114). The device (100) for welding also includes a cart (150) configured to contact the track (140) such that the track (140) guides the cart (150) around the workpiece (114, 116). The cart (140) includes a frame (152) and a welding torch receptacle (160). The welding torch receptacle (160) is attached to the frame (152). The welding torch receptacle (160) is configured to maintain a tip of the welding torch (102) at a set distance away from the workpiece (114, 116) while the cart (150) moves around the workpiece (114, 116).
In some implementations, a monitoring system (400) may include a sensor device (216) located on an inner surface of a bushing (208) of a track link (204). The sensor device (216) may be configured to generate data indicating an amount of strain or wear experienced by a portion of the bushing (208). The monitoring system (400) may include a wireless communication device (222) communicatively coupled to the sensor device (216) and configured to transmit information indicating the data. The monitoring system (400) may include a controller (140) configured to determine an amount of wear, of the portion of the bushing (208), based on the data, and generate wear information indicating the amount of wear.
A hydraulic system that can be provided as a kit to existing work machines (100) for depressurizing a work tool auxiliary circuit (400) of the work machine (100). The system comprises: a power source (600); a reservoir (404) of hydraulic fluid; a plurality of hydraulic lines (118); a pressure source (402); a control valve (406); a depressurize line (410) connected to at least one of the plurality of hydraulic lines (118) and the reservoir (404); the depressurize line (410) includes an electromechanical valve (408) for regulating the flow of hydraulic fluid in the depressurize line (410); a controller (610) and a coupler switch (612) comprising at least two throws and having three positions where one of the three positions actuates the electromechanical valve (408) to depressurize the work tool auxiliary circuit (400).
The present disclosure is directed to systems and methods for operating a machine. The method includes (1) receiving image data of a component of the machine by a camera module of the machine, the camera module having multiple camera components; (2) detecting an incident associated with the camera module; (3) in response to the incident, instructing the camera module to collect image data from a subset of the multiple camera components; and (4) generating a status image of the component based on the collected image data from the subset of the multiple camera components.
A seal assembly (18) for a hydraulic cylinder piston rod (12) of a hydraulic cylinder (10) includes an annular buffer seal (22) and an annular backup ring (24). A first axial pressure side of the annular buffer seal (22) faces a rod end chamber of the hydraulic cylinder (10) and fits adjacent a first axial side surface of an annular groove (21) defined in a rod end (16) of the hydraulic cylinder (10) through which the piston rod (12) passes, and a second axial seal side opposite from the first axial pressure side includes a radially outer annular seal surface (224) and a radially inner annular seal surface (225), wherein the radially outer annular seal surface (224) is spaced farther from the first axial pressure side of the annular buffer seal (22) than the radially inner annular seal surface (225) of the buffer seal (22) such that an annular notch is formed around an inner diameter of the annular buffer seal on the second axial seal side of the annular buffer seal. The annular backup ring includes a radially extending leg portion that extends along substantially an entire radial extent of the radially outer annular seal surface of the annular buffer seal, and an axially extending leg portion that extends axially into the annular notch formed around the inner diameter of the annular buffer seal on the second axial seal side of the annular buffer seal.
F15B 15/14 - Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith characterised by the construction of the motor unit of the straight-cylinder type
F16J 15/16 - Sealings between relatively-moving surfaces
F16J 15/56 - Other sealings for reciprocating rods
F16J 15/3236 - Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip having two or more lips with at least one lip for each surface, e.g. U-cup packings
F16J 15/18 - Sealings between relatively-moving surfaces with stuffing-boxes for elastic or plastic packings
An idler wheel (100) includes a hub (108), an outer rim (110), and a pair of side plates (112, 112a) that form an interior cavity (126) radially between the outer rim (110) and the hub (108), and axially between the pair of side plates (112, 112a). The first side plate (112) defines a maximum side plate axial thickness (138) disposed radially next to the hub (108) in a cross-sectional plane (140) containing a radial direction (104) and an axis of rotation (102), and a minimum side plate thickness (142) disposed radially next to the outer rim (110). A ratio of the maximum thickness (138) to the minimum thickness (142) ranges from 1.325 to 1.900. The idler wheel (100) further comprises a rib (124) in the interior cavity (126) extending from the first side plate (112) to the second side plate (112a) in a cross-sectional plane (300) containing the radial direction (104) and the axis of rotation (102), and the rib (124) defines a rib aperture (302) extending circumferentially through the rib (124).
An anti-prefill device (66) may be disposed at a radially central portion of an endcap (76) mounted on one axial end of an annular filter medium (340) in a filter system. The anti-prefill device (66) includes a first, annular, fluid receiving portion including an externally threaded engagement surface (21) configured to be threadingly engaged with a central, internally threaded boss of a filter base (332) of the filter system at the axial end of the annular filter medium, the first, annular, fluid receiving portion defining an annular concave recess open upwards toward the filter base of the filter system, and a second, annular, fluid blocking portion configured as a cylindrical cap overlapping a radially central tubular portion of the first, annular, fluid receiving portion that projects upwards toward the filter base from a radially inner extent of the radially central portion of the endcap, the second, annular fluid blocking portion being oriented with a concave recess of the cylindrical cap open downwards toward the first, annular, fluid receiving portion.
A pump (38) is disclosed. The pump may have a housing (54) connectable to a transmission (20) of a machine adjacent a front end (42) of the pump. The pump may also have a flange (52) attached to the housing adjacent a rear end (48) of the pump. The flange may have a longitudinal axis (90) extending along a length of the flange, and a transverse axis (92) extending along a width of the flange. The flange may also have a first mounting hole (94) configured to connect an auxiliary pump to the flange. Further, the flange may have a second mounting hole (102) configured to connect a bracket to the flange. The first mounting hole may be positioned on a first axis (100) inclined at an acute angle relative to the longitudinal axis of the flange.
Operating an engine system (10) includes combusting a gaseous hydrogen fuel (H2) and a gaseous hydrocarbon fuel (HC) at a first substitution ratio in a cylinder (16) in an engine (12), determining at least one of an H2 fueling command or an HC fueling command based on an H2 availability input and an H2 cost, and outputting the H2 fueling command and the HC fueling command to an H2 injector (66) and an HC admission valve (56), respectively. Operating the engine system further includes combusting H2 and HC at a varied substitution ratio based on the H2 fueling command and the HC fueling command. At least one of the H2 fueling command or the HC fueling command may be based on a monitored CO2 exhaust level which may be used to populate a stored history of CO2 output.
F02D 19/08 - Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed simultaneously using pluralities of fuels
F02D 19/06 - Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed
A tool bit (200) includes a working portion (208), and a shank (202) defining a shank free end (210). A slot (204, 204a) is spaced away from the shank free end (210), and a flat (206) extends perpendicularly to the slot (204, 204a).
A ladder motor pump system (300) comprises a hydraulic fluid tank (206) that holds hydraulic fluid, a hydraulic pump (304) that draws and pressurizes the hydraulic fluid from the hydraulic fluid tank (206), a one-way electric motor (302) that drives the hydraulic pump (304), a hydraulic ladder actuator (228) that actuates a ladder (102) in first (128, 132, 130) and second (130, 250, 128) patterns, a hydraulic fluid circuit (316) that routes the hydraulic fluid from the hydraulic ladder actuator (228) to the hydraulic fluid tank, and a regulator (222) that routes the pressurized hydraulic fluid from an outlet (312) of the hydraulic pump (304) to the hydraulic fluid tank (206) when a pressure of the pressurized hydraulic fluid exceeds a preselected threshold pressure, mixing the pressurized hydraulic fluid with the unpressurized hydraulic fluid in the hydraulic fluid tank (206) and reducing temperature of the pressurized hydraulic fluid. The electric motor (302) and the pump (304) include bosses providing increased ground connections to the electrical ground (306), thereby reducing electrical resistance and heat generated.
E06C 5/10 - Ladders characterised by being mounted on undercarriages or vehicles; Securing ladders on vehicles with rigid longitudinal members capable of being elevated or extended by piston and cylinder, or equivalent means, operated by a pressure medium derived directly from a pressure reservoir charged by a pump or compressor driven by the motor of the vehicle or another motor on the vehicle
B60R 3/00 - Arrangements of steps, e.g. running-boards
A retaining spring clip (400, 400a) includes an elongated body defining a longitudinal direction (416), a lateral direction (418) that is perpendicular to the longitudinal direction (416), and a transverse direction (419) that is perpendicular to the lateral direction (418) and the longitudinal direction (416). A handle (402) is disposed proximate to a first longitudinal end (420), an intermediate spring (404, 404a) is disposed along the longitudinal direction (416), and a stepped groove (422) is disposed proximate to a second longitudinal end (424). A triangular shaped void (410, 410a) forms a backside of the intermediate spring (404, 404a), and a void filler (426, 426a) is disposed in the triangular shaped void (410, 410a).
A tapered bushing (300) includes a conical inner surface (304) defining a conical axis (310), and a radial direction (311). The tapered bushing (300) further includes an outer surface of revolution (302), and defines a minimum radial wall thickness (312) that ranges from 3.0 mm to 15.0 mm measured from the conical inner surface (304) to the outer surface of revolution (302). Also, the conical inner surface (304) defines a draft angle (314) that ranges from 2.0 degrees to 30.0 degrees.
A spring clip (400, 400a, 400b) defines an axis of movement (456), and includes a handle portion (402) disposed at a first end (458) along the axis of movement (456), and a tool bit engaging portion (470) disposed at a second end (460) along the axis of movement (456). Also, an adapter board engaging portion (472) is disposed at least partially between the handle portion (402), and the tool bit engaging portion (470) along the axis of movement (456).
E02F 9/28 - Small metalwork for digging elements, e.g. teeth
F16B 21/18 - Means without screw-thread for preventing relative axial movement of a pin, spigot, shaft, or the like and a member surrounding it; Stud-and-socket releasable fastenings without screw-thread by separate parts with grooves or notches in the pin or shaft - Details
A tool bit (200) includes a shank portion (202) defining an axis (218) of revolution, and a working portion (208) including a plane (228) that is perpendicular to the axis (218) of revolution, defining a perimeter in the plane (228) and surrounding the shank portion (202). The working portion (208) defines a bottom pocket surface (262) that defines a pair of side pockets (264, 264a), and a front pocket (265) that forms a "U shape" with the pair of side pockets (264, 264a).
A system for efficient machine control may include feedback devices for identifying operating conditions of a work machine and a controller for controlling a primary system and an auxiliary system. The controller may calculate a total energy loss by adding a primary system energy loss based on power requests from the primary system to an auxiliary system energy loss based on support requests from the auxiliary system. The controller may adjust a setting of the auxiliary system, repeat the calculating of the total energy loss, and compare the result to a previously calculated total energy loss until further adjustment of the setting fails to reduce the total energy loss. The controller may then send control requests to the auxiliary system based on the setting used when the total energy loss failed to reduce.
B60L 58/40 - Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for controlling a combination of batteries and fuel cells
B60L 1/00 - Supplying electric power to auxiliary equipment of electrically-propelled vehicles
B60L 1/02 - Supplying electric power to auxiliary equipment of electrically-propelled vehicles to electric heating circuits
A monitoring system for monitoring an internal combustion engine and/or an electrical charging system of the internal combustion engine. The monitoring system comprises a device mounted in or on an alternator to detect electrical parameters of the electrical charging system and ambient conditions exogenous to the alternator (10), e.g. ambient temperature and vibration in the engine compartment. The sensed data is timestamped, stored and analysed by correlating sensed ambient conditions with electrical system data to provide monitoring and predictive diagnostics on the engine (1) and electrical system.
H02J 7/00 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
B60R 16/03 - Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric for supply of electrical power to vehicle subsystems
H02J 7/14 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from dynamo-electric generators driven at varying speed, e.g. on vehicle
93.
WEAR MEMBER INCLUDING A DISPERSIBLE WEAR INDICATOR
A wear member (300) includes an attachment portion (308), and a wear portion (304) extending from the attachment portion (308) that defines a working surface (306). The wear portion (304) has a dispersible wear indicator (302) that is disposed in the wear portion (304), and that is spaced a predetermined distance (311) away from the wear surface (W306).
The pulldown apparatus (110) may comprise a main stage (154) and a secondary stage (156). The main stage (154) may comprise a cylinder (138), a main head (158), a main gland (160), a piston (148) and a main rod (150). The cylinder (138) defines a chamber (162) and includes a first end (164) and a second end (166). The main gland (160) and the piston (148) is disposed in the chamber (162). The main rod (150) is disposed in the chamber (162) between the piston (148) and the second end (166). The secondary stage (156) includes a secondary head (188), a secondary gland (190), a secondary rod (152) and a flange (192). The secondary gland (190) is disposed in the chamber (162). The secondary rod (152) is coupled to the flange (192). The flange (192) is coupled to the main stage (154) and disposed inside the cylinder (138) between the piston (148) and the secondary rod (152). The cylinder (138) is slidable over the main rod (150), the piston (148) and the secondary rod (152).
E21B 19/084 - Apparatus for feeding the rods or cables; Apparatus for increasing or decreasing the pressure on the drilling tool; Apparatus for counterbalancing the weight of the rods with flexible drawing means, e.g. cables
E21B 19/086 - Apparatus for feeding the rods or cables; Apparatus for increasing or decreasing the pressure on the drilling tool; Apparatus for counterbalancing the weight of the rods with a fluid-actuated cylinder
95.
ALIGNMENT OF MACHINE TO INSTALL STEERING FRAME LOCK
A method for steering alignment calibration of an articulated machine having front and rear frames pivotally connected by an articulation joint to steer the machine may include displaying a steering alignment calibration screen with a target steering angle between the frames and a calculated steering angle. The calculated steering angle may be determined based on a sensed steering angle and a calibration steering angle. The machine is steered until the displayed calculated steering angle is equal to the target steering angle. If an actual steering angle of the machine is not equal to the target steering angle, further steering is performed until the actual steering angle is equal to the target steering angle. The calibration steering angle may be recalculated and stored for future use when the actual steering angle is equal to the target steering angle but the calculated steering angle is not equal to the target steering angle.
B62D 12/02 - Steering specially adapted for vehicles operating in tandem or having pivotally connected frames for vehicles operating in tandem
B60R 16/023 - Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric for transmission of signals between vehicle parts or subsystems
B60K 35/00 - Arrangement or adaptations of instruments
96.
COMPRESSION-IGNITED DUAL LIQUID FUEL SYSTEM AND CONTROL STRATEGY FOR FLEXIBLE FUEL OPERATION
A dual fuel system (50) includes a liquid pilot fuel supply (54), a liquid main fuel supply (64), and a fuel injection apparatus (72). The dual fuel system further includes a fueling control unit (110) coupled with a cylinder pressure sensor (102) and a NOx sensor (104), and structured to vary, via outputting a fueling control command to a main fuel injection control valve (84), fuel delivery parameters each on the basis of at least one of a cylinder pressure parameter or a NOx parameter. The fueling control unit compensates via the varying fuel delivery parameters for a change to a liquid main fuel composition such as a change from a first alcohol fuel or blend to a second alcohol fuel or blend.
F02D 19/08 - Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed simultaneously using pluralities of fuels
F02D 19/06 - Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed
F02D 41/00 - Electrical control of supply of combustible mixture or its constituents
A method (100) may include receiving, from at least one first machine (14), telemetry data. The at least one first machine (14) may be operable to transport materials from at least one material source location to at least one material destination location. The method (100) may further include sending at least one command to at least one machine (12-18) based on whether a predicted sequence of processing of materials by at least one second machine (16) at the at least one material destination location violates at least one prohibited sequence of processing. The predicted sequence of processing may be based on at least one of: a predicted sequence of arrival of the at least one first machine (14) at the at least one material destination location, material attribute data, destination queue data, or a score for the predicted sequence of arrival.
Conduit coupling (104) including a first connector (106) at a first end of the conduit coupling (104), a second connector (110) at a second end of the conduit coupling (104), and a stem (108) between the first connector (106) and the second connector (110). A first end of the stem (108) is attached to the first connector (106). A second end of the stem (108) is attached to the second connector (110). The stem (108) is bent at a particular bend angle (114) along a bend plane (116). The first connector (106) includes an indicator (112) that indicates an orientation of the bend plane (116).
An actuator (200) for a machine (100) includes a cylinder barrel (202) and a piston arrangement (208) received within the cylinder barrel (202). The actuator (200) further includes a first cylinder (226) received within the cylinder barrel (202) and a first member (264) coupled to the first cylinder (226) at a first cylinder end (228) of the first cylinder (226). The actuator (200) also includes a second cylinder (234) received within the first cylinder (226) and a second member (266) coupled to the second cylinder (234) at a second cylinder end (236) of the second cylinder (234). The actuator (200) includes a third cylinder (242) received within the first cylinder (226) and a third member (268) coupled to the third cylinder (242) at a third cylinder end (244) of the third cylinder (242). At least one of the first member (264), the second member (266), and the third member (268) is threadedly couped to the first cylinder (226), the second cylinder (234), and the third cylinder (242), respectively.
F15B 15/16 - Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith characterised by the construction of the motor unit of the straight-cylinder type of the telescopic type
F15B 15/14 - Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith characterised by the construction of the motor unit of the straight-cylinder type
100.
GASEOUS FUEL RECIPROCATING ENGINE AND OPERATING METHODOLOGY FOR REDUCED HYDROGEN FLAME SPEED
Operating a gaseous fuel engine (18) includes spark-igniting gaseous hydrogen fuel and air, and propagating combustion gases of the spark-ignited mixture outwardly from a spark gap. The propagating combustion gases are impinged upon a cone surface (68) of a piston (24) so as to limit a flame area of the propagating combustion gases. Additional gaseous hydrogen fuel and air is ignited in the combustion cylinder (22) by way of the propagating combustion gases to urge a piston (24) toward a bottom-dead-center position.
F02B 19/10 - Engines characterised by precombustion chambers with fuel introduced partly into pre-combustion chamber, and partly into cylinder
F02B 19/12 - Engines characterised by precombustion chambers with positive ignition
F02B 23/06 - Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition the combustion space being arranged in working piston
H01T 13/54 - Sparking plugs having electrodes arranged in a partly-enclosed ignition chamber
patents
