| Caterpillar Inc. Patent applications |
| Patent application number | Title | Published |
|---|
| 20220297693 | METHOD AND SYSTEM FOR ENGINE AND MACHINE CONTROL - A mobile machine control method includes receiving, by a single controller, a first request for movement of the machine by a ground-engaging device, receiving, by the single controller, a second request for movement of an implement system of the machine, and determining, with the single controller, an amount of desired power from an engine to satisfy the first request and the second request. The method also includes selecting an engine speed from a plurality of candidate engine speeds to produce the desired power and operating the engine at the selected engine speed to produce the desired power. | 09-22-2022 |
| 20220290808 | GREASE PACKING TOOL FOR A BEARING ASSEMBLY - A grease packing tool includes a support member and an alignment member. The support member includes a radially outward section, a radially inward section, and an annular passage. The radially outward section has an inner surface that includes an annular seat for receiving a cage of a bearing assembly. The radially inward section has an outer surface that includes an annular ledge for supporting an inner ring of the bearing assembly. The annular passage is arranged between the radially outward section and the radially inward section and is configured to deliver grease between rolling elements of the bearing assembly. The alignment member includes a projection that has an exterior surface for contacting the inner ring of the bearing assembly to ensure that the cage of the bearing assembly and the inner ring of the bearing assembly are respectively seated in the annular seat and the annular ledge. | 09-15-2022 |
| 20220290641 | DUAL FUEL SYSTEM HAVING DUAL FUEL INJECTOR AND ENGINE OPERATING METHOD - A dual fuel system for an internal combustion engine includes a first fuel supply of a liquid pilot fuel, a primary fuel supply of a liquid primary fuel, and a dual fuel injector. The dual fuel injector includes a spill valve fluidly connected with a plunger cavity and movable to control a start of injection and an end of injection, and an admission valve. The admission valve is movable to admit a pilot fuel into the fuel injector, such that the pilot fuel is conveyed through an outlet check to form, within a primary fuel passage fluidly connected to the plunger cavity, a segmented fuel charge of leading pilot fuel and trailing primary fuel by displacing some of the primary fuel. The liquid pilot fuel may be a higher cetane/lower octane liquid fuel, and the primary fuel may be a lower cetane/higher octane liquid fuel. | 09-15-2022 |
| 20220290602 | ENGINE MULTI-PATH AFTERTREATMENT SYSTEM WITH RADIO FREQUENCY SENSORS AND METHODS, ASSEMBLIES, AND COMPONENTS THEREOF - Systems, methods, assemblies, and components for aftertreatment of an engine can comprise an aftertreatment module including an exhaust enclosure with at least one inlet port to receive exhaust gas, an outlet port to output exhaust gas, a first compartment, and a second compartment; a plurality of particulate filters extending in parallel with each other within the exhaust enclosure such that, for each of the particulate filters, an inlet of the particulate filter is in the first compartment and an outlet of the particulate filter is in the second compartment; and at least one radio frequency (RF) sensor set including an RF transmitter assembly and an RF receiver assembly. The RF transmitter assembly can be provided in the first compartment at the inlet of one of the particulate filters, and the RF receiver assembly can be provided at the outlet of said one particulate filter. | 09-15-2022 |
| 20220289322 | GROUND-ENGAGING TRACK SHOE HAVING RAISED-RELIEF FIXTURING SURFACES - A ground-engaging track shoe includes a shoe plate having link-side fixturing surfaces and ground-side fixturing surfaces. The link-side fixturing surfaces and the ground-side fixturing surfaces are raised in profile relative to a link-facing surface and a ground-facing surface, respectively. The fixturing surfaces enable a fixture to clamp the track shoe for support during processing, enabling improvements in maintaining portions of the track shoe flat and reducing part to part variation. | 09-15-2022 |
| 20220289321 | TRACK SHOE WITH LARGE CAVITIES ON GROUND ENGAGING SURFACES HAVING A PROTRUDING SIDEWALL OR AN OVAL PERIMETER - A track pad includes a shoe member that has two bottom voids extending upwardly from the ground engaging surface of the shoe member, and which form a central support pillar having a serpentine surface laterally on side of the central support pillar, and another serpentine surface laterally on the other side of the central support pillar. The two bottom voids form oval perimeters at the ground engaging surface. | 09-15-2022 |
| 20220289320 | GROUND-ENGAGING TRACK SHOE HAVING WEIGHT RELIEF CHANNEL - A ground-engaging track shoe in a track joint assembly includes a shoe plate having bolt holes extending through a middle plate section between a planar link-bolting surface and a ground-contact surface. A weight relief channel is formed in the middle plate section upon a link-bolting side of the track shoe, and extends inwardly from the planar link-bolting surface. The weight relief channel is arranged between a forward bolt hole set of the bolt holes and a back bolt hole set of the bolt holes in a fore-aft direction. | 09-15-2022 |
| 20220289319 | ROTATING TRACK GUIDE COMPONENTS WITH WHITE-IRON SEGMENTS - A method of producing a rotating guide component for a track assembly includes fixing at least one wear member to an outer surface of a tubular or annular substrate. The at least one wear member includes an inner portion, and the tubular or annular substrate includes an outer portion. The inner portion is mated to the outer portion, and the wear member is brazed to the tubular or annular substrate. | 09-15-2022 |
| 20220282827 | METHOD AND APPARATUS FOR GANTRY SYSTEM MOBILITY - An assembly includes an attachment arm having an axle extending from a first end of the attachment arm. The attachment arm of the detachable wheel assembly further includes a securing portion forming a second end of the attachment arm, the securing portion of the attachment arm including a pin positioned to extend above a first frame member of a gantry truss and to secure the first frame member between the pin and a portion of the attachment arm. The attachment arm also includes a frame support corresponding to a second frame member of the gantry truss such that the frame support supports the second frame member when the assembly is secured to the gantry truss, and the assembly includes a wheel rotatably attached to the axle of the attachment arm. | 09-08-2022 |
| 20220282742 | ADDITIVELY MANUFACTURED HYDRAULIC VALVE COMPONENTS - A method of manufacturing a hydraulic valve component using additive manufacturing includes laying successive layers to form a flow aperture for a hydraulic valve component, and creating a lattice or mesh structure that at least partially defines the flow aperture of the hydraulic valve component, or a feature that forms an undercut along a direction that is parallel to a flow direction of the flow aperture, or a flow aperture having a size varying along a circumferential direction of the valve component. | 09-08-2022 |
| 20220282692 | FUEL INJECTOR AND FUEL SYSTEM HAVING INTEGRAL FILTER SUPPORTED IN VALVE SEAT PLATE, AND VALVE SEAT PLATE AND FILTER ASSEMBLY - A fuel system for an internal combustion engine includes a pressurized fuel supply, and a fuel injector fluidly connected to the pressurized fuel supply. The fuel injector includes a valve seat plate forming a valve seat, an injection control valve, and a nozzle cavity. A filter, which can include a 2-dimensional filter, is positioned partially within the valve seat plate and partially within an injector body to filter an incoming flow of high-pressure fuel. The valve seat plate and filter are integrated in a valve seat plate and filter assembly. | 09-08-2022 |
| 20220281170 | GANTRY CARRIAGE ASSEMBLY WITH CONTOURED GUIDE WHEELS - A gantry carriage assembly includes a support plate having a first end and a second end. The gantry carriage assembly further includes first guide wheels secured to a first end of the support plate, the first guide wheels including a first pair of guide wheels configured to accommodate a longitudinal member of a gantry truss therebetween, where the first pair of guide wheels are disposed opposite from one another across the longitudinal member. The gantry carriage assembly also includes second guide wheels secured to a second end of the support plate opposite the first end, the second guide wheels including a second pair of guide wheels configured to accommodate the longitudinal member of the gantry truss therebetween, wherein the second pair of guide wheels are disposed opposite from one another across the longitudinal member. | 09-08-2022 |
| 20220275767 | METHOD AND SYSTEM FOR FUEL FILTER MONITORING - A fuel filter monitoring method includes receiving pressure signals that are indicative of a pressure drop across at least one fuel filter of a fuel supply system configured to supply fuel to at least one fuel injector of an internal combustion engine and receiving a condition signal indicative of a condition of a fuel supply system, the condition signal being generated by one or more of a geographic location sensor, an altitude sensor, and/or a fuel temperature sensor. The method includes estimating a remaining life of at least one fuel filter of the fuel supply system based on the pressure signal and the condition signal and outputting a notification indicative of the estimated remaining life. | 09-01-2022 |
| 20220275737 | NOISE ATTENUATION COMPONENTS - A reduction device includes a housing defining an input chamber configured to receive exhaust from a power source, an output chamber, an exhaust channel configured to direct the exhaust from the input chamber to the output chamber, and a longitudinal axis. The reduction device also includes a treatment unit disposed in the exhaust channel and along the longitudinal axis. The treatment unit is configured to at least partly remove pollutant species from the exhaust. The reduction device also includes an attenuation component disposed in the housing and radially outward of the treatment unit. The attenuation component is fluidly connected to the exhaust channel, and is configured to attenuate a range of frequencies corresponding to operation of the power source. Additionally, the exhaust channel prohibits exhaust entering the input chamber from exiting the housing without passing through the treatment unit. | 09-01-2022 |
| 20220275609 | RETAINER SLEEVE DESIGN WITH EXTERNAL RIBS - A retainer sleeve includes an at least partially annular body defining an axis of rotation, a radial direction, and a circumferential direction. The body may also have a radially inner annular surface defining a radially inner aperture, and a first anti-rotation feature extending radially inwardly from the radially inner annular surface including a sloping ledge having a locking surface, and an outer peripheral surface defining a notch that is at least partially aligned with the first anti-rotation feature or an array of a plurality of external ribs extending outwardly radially from the outer peripheral surface. | 09-01-2022 |
| 20220270011 | WORK ORDER INTEGRATION SYSTEM - A work machine control device including a memory and a processor is disclosed. The processor may be configured to receive work order data associated with a haul machine. The work order data may identify the haul machine, a material requested for the haul machine, an amount of the material requested for the haul machine, and/or a work machine associated with the material. The processor may be configured to set an operating parameter of the work machine to perform an operation according to the work order data, and receive payload data associated with a payload of the work machine. The payload data may relate to a weight of the payload, a volume of the payload, and/or an operating state of the work machine. The processor may be configured to determine productivity data associated with the operation, and cause an action to be performed in connection with the productivity data. | 08-25-2022 |
| 20220268295 | One Piece Casting Fan Hub - A hub assembly for construction of a fan includes a hub plate having a front face, a rear face, and an annular surface extending between the front face and the rear face. The hub plate defines a hub assembly axis extending through the front face and the rear face which is configured to coincide with the fan axis. The hub assembly further includes a plurality of elongated root sections that are circumferentially spaced apart and extend radially from the annular surface. The elongated root sections have a substantially circular cross-section. The hub plate and the plurality of elongated spokes are unitarily formed. | 08-25-2022 |
| 20220268234 | FUEL SYSTEM AND FUEL INJECTOR CONTROL STRATEGY FOR STABILIZED INJECTION CONTROL VALVE CLOSING - A fuel system includes a fuel injector, and a fueling control unit electrically connected to a solenoid actuator in the fuel injector. The fueling control unit is structured to energize and deenergize the solenoid actuator to lift and return an armature coupled with an injection control valve. The fueling control unit also reenergizes the solenoid actuator with an armature retarding current while the armature is in flight to stabilize closing of the injection control valve. The armature retarding current can be used to electronically trim the fuel injector to limit an error in a quantity of injected fuel. | 08-25-2022 |
| 20220268233 | FUEL LEAK DETECTION SYSTEM - Fuel leak detection systems and methods are disclosed. A method for detecting a fuel leak for a fuel system of an engine includes detecting a ramp up of the engine. The method includes measuring rail pressure of a fuel rail during the ramp up. The method also includes determining a fuel leak exists in the fuel system based on the measured rail pressure during the ramp up. In accordance with a determination that a fuel leak exists, the method includes outputting an indication of the fuel leak in the fuel system. | 08-25-2022 |
| 20220268232 | DERATING OPERATING STRATEGY AND GASEOUS FUEL ENGINE CONTROL SYSTEM - Operating a gaseous fuel engine system includes determining a detonation level in combustion cylinders in an engine in the gaseous fuel engine system, comparing the detonation level to a detonation level limit, calculating a detonation error, and limiting an engine load of the engine to a derated engine load level based on a reduction to intake manifold air pressure (IMAP) that is performed responsive to the detonation error. The gaseous fuel engine system can be operated at a reduced, derated engine load, rather than being shut down, and permitted to increase in engine load level as detonation events clear. Related control logic and structure are disclosed. | 08-25-2022 |
| 20220267983 | SNUBBER SYSTEM FOR RETARDING SWINGING MOVEMENT OF DOORS OF DIPPERS - A snubber system for retarding a swinging movement of a door with respect to a body of the dipper. The snubber system includes a braking assembly, an arm structure, and a link structure. The braking assembly is configured to be fixedly mounted to the body. The arm structure is configured to execute rotation about a first axis, the rotation of the arm structure being dampened by the braking assembly. The link structure is rotatably coupled to the arm structure to rotate about a second axis, and is movable in correspondence with the swinging movement of the door to exert and transfer a force to the arm structure. A direction of the force defines an angle between 80-100 degrees with respect to an axis or a plane passing through the first axis and the second axis throughout the swinging movement of the door. | 08-25-2022 |
| 20220266905 | SYSTEM FOR DETECTING FAILURE OF AN ACKERMAN-TYPE STEERING MECHANISM - A machine includes a frame, a first steering arm, a second steering arm, a first hydraulic actuator coupled to the frame and the first steering arm, and a second hydraulic actuator coupled to the frame and the second steering arm. A first angle sensor measures a rotational displacement of the first hydraulic actuator relative to the first steering arm. A first link couples the first hydraulic actuator and the first sensor, and isolates movements other than the first rotational displacement. A second angle sensor measures a second rotational displacement of the second hydraulic actuator relative to the second steering arm. A second link couples the second hydraulic actuator and the second sensor, and isolates movements other than the second rotational displacement. | 08-25-2022 |
| 20220266642 | SYSTEM FOR DETECTING FAILURE OF AN ARTICULATED STEERING MECHANISM - A machine includes a frame and an oscillating hitch. A first cylinder couples to a first side of the oscillating hitch and a first side of the frame. A second cylinder couples to a second side of the oscillating hitch and a second side of the frame. A first isolating mechanism couples to the first cylinder and rotates in response to a first rotation of the first cylinder relative to the frame or the oscillating hitch. A first angle sensor senses a first angular displacement of the first isolating mechanism about a first rotational axis. A second isolating mechanism couples to the second cylinder and rotates in response to a second rotation of the second cylinder relative to the frame or the oscillating hitch. A second angle sensor senses a second angular displacement of the second isolating mechanism about a second rotational axis. | 08-25-2022 |
| 20220259836 | ANTI-TIPPING FEATURES FOR A RETAINING MECHANISM - A retainer includes a drive portion defining a drive portion outer diameter, and a lug receiving portion with a skirt defining a lug receiving slot that extends partially through the lug receiving portion, forming a first sidewall, a second sidewall, and a catch surface connecting the first sidewall to the second sidewall. The skirt also defines a skirt outer diameter that is greater than the drive portion outer diameter. Also, the drive portion has a hook tab that extends from the drive portion and that is spaced away from the skirt a minimum distance. | 08-18-2022 |
| 20220259824 | Control Syste for a Work Machine - A control system is disclosed. The control system may include a first input component to control a lean angle of at least one set of wheels of a machine and to provide a visual and/or tactile indication of the lean angle. The control system may include a second input component to control an articulation angle of an articulated joint of the machine and to provide a visual and/or tactile indication of the articulation angle. The control system may include a third input component to control a rotation angle of an implement of the machine and to provide a visual and/or tactile indication of the rotation angle. | 08-18-2022 |
| 20220259822 | Automated Mobilization of Mobile Machines - The disclosure describes technology that is related to mobile machines performing an automated mobilization task based on a mobilization command received from an electronic device that is separate from the mobile machines. The mobile machine may receive, from the electronic device, a mobilization command that instructs relocation of the mobile machine from an initial location to a final location. The mobile machine may traverse a path on a worksite that includes a series of locations extending from the initial location of the mobile machine to the final location. Furthermore, the mobile machine may determine its present position includes the final location, and, in response, send a relocation notification to the electronic device indicating that the mobilization task is completed. | 08-18-2022 |
| 20220255173 | TRANSPORTABLE STRUCTURE FOR SECURING ENERGY STORAGE DEVICE RACKS - A housing includes a plurality of subassemblies. At least one subassembly of the plurality of subassemblies includes a lower structure extending in a first direction and configured to support one or more batteries, an upper structure extending in the first direction and spaced apart from the lower structure by a vertical distance, and one or more vertical posts attached to the lower structure, the one or more vertical posts connecting the lower structure with the upper structure. The housing further includes a plurality of intermediate panels located between the one or more vertical posts, the plurality of intermediate panels extending in a vertical direction between the lower structure and the upper structure, wherein a battery of the one or more batteries is attached to the lower structure and at least two intermediate panels of the plurality of intermediate panels. The housing also includes a lateral brace attached to and connecting the multiple subassemblies. | 08-11-2022 |
| 20220252087 | HYDRAULIC PUMP OR MOTOR WITH MOUNTING CONFIGURATION FOR INCREASED TORQUE - A hydraulic pump or motor includes a mounting flange that is disposed at the first end of the housing. The mounting flange defines a pair of bolt receiving slots that are disposed along the X-axis on either side of the shaft. The pair of bolt receiving slots each define a radius center that are spaced away from each other a X dimension, and a pilot projection extends longitudinally away from the mounting flange, defining a pilot projection diameter. A ratio of the X dimension to the pilot projection diameter ranges from 1.1 to 1.5. | 08-11-2022 |
| 20220252083 | HYDRAULIC PUMP OR MOTOR WITH MOUNTING CONFIGURATION FOR INCREASED TORQUE - A female mounting member is configured to mate with a hydraulic pump or fan. The member includes a body that defines a projection receiving cavity defining a cavity diameter, and a first threaded hole defining a first threaded hole diameter. A ratio of the cavity diameter to the first threaded hole diameter ranges from 8.0 to 8.15. | 08-11-2022 |
| 20220252003 | MOUNTING SYSTEM FOR VIBRATION MEASUREMENT SYSTEM - A mounting system for retrofitting a vibration sensor to a machine component is provided. The mounting system includes an elongate fastener, a washer, and a mounting boss. The elongate fastener includes a fastener head and an elongated body defining a longitudinal top end and a longitudinal bottom end. The longitudinal bottom end defines a fastening end configured to engage with a corresponding fastening receptacle of the machine component. The washer defines an external surface and includes a central cavity for engaging the elongated body of the elongate fastener therein. The mounting boss includes a first portion and a second portion. The first portion includes an internal cavity defining a first cavity section configured to engage with the external surface of the washer, and a second cavity section to engage with the fastener head of the elongate fastener. The second portion defines a receiving port for receiving the vibration sensor. | 08-11-2022 |
| 20220251807 | GROUND ENGAGING TOOL WEAR AND LOSS DETECTION SYSTEM AND METHOD - An example wear detection system receives a left image and a right image of a bucket of a work machine having at least one ground engaging tool (GET). The example system identifies a first region of interest from the left image corresponding to the GET and a second region of interest from the right image corresponding to the GET. The example system also generates a left-edge digital image corresponding to the first region of interest and a right-edge digital image corresponding to the second region of interest. Further, the example system determines a sparse stereo disparity between the left-edge digital image and the right-edge digital image, and also determines a wear level or loss for the at least one GET based on the sparse stereo disparity. | 08-11-2022 |
| 20220250465 | SYSTEM AND METHOD FOR DIAGNOSING INTEGRITY OF A CRYOGENIC FUEL TANK - A fuel system for a machine may include a fuel tank configured to hold cryogenic fuel, a pressure sensor, and an electronic control module (ECM). The ECM may determine a change in pressure of the fuel between a first time and a second time, determine a predicted change in pressure of the fuel between the first time and the second time, and determine that the change in pressure and the predicted change in pressure is greater than a threshold. Based on the change in pressure and the predicted change in pressure being greater than the threshold, a notification may be displayed associated with an integrity of the fuel tank. | 08-11-2022 |
| 20220243691 | DUAL FUEL SYSTEM HAVING DUAL FUEL INJECTOR AND ENGINE OPERATING METHOD - A dual fuel system for an internal combustion engine includes a first fuel supply of a liquid pilot fuel, a primary fuel supply of a liquid primary fuel, and a dual fuel injector. The dual fuel injector includes a spill valve fluidly connected with a plunger cavity and movable to control a start of injection and an end of injection, and an admission valve. The admission valve is movable to admit a pilot fuel into the fuel injector, such that the pilot fuel is conveyed through an outlet check to form, within a primary fuel passage fluidly connected to the plunger cavity, a segmented fuel charge of leading pilot fuel and trailing primary fuel by displacing some of the primary fuel. The liquid pilot fuel may be a higher cetane/lower octane liquid fuel, and the primary fuel may be a lower cetane/higher octane liquid fuel. | 08-04-2022 |
| 20220243690 | PRIMING PUMP - A priming pump may include a housing; an inlet passageway inside of the housing; an outlet passageway inside of the housing; a divider, inside of the housing, separating the inlet passageway and the outlet passageway; a connecting passageway through the divider in fluid communication with the inlet passageway and the outlet passageway; a valve, disposed in the connecting passageway, configured for one-way fluid flow from the inlet passageway to the outlet passageway; a rotary pump, inside of the housing, having an inlet in fluid communication with the inlet passageway and an outlet in fluid communication with the outlet passageway; and a shaft connected to the rotary pump and extending through the housing, the shaft configured for rotation by an external driving mechanism. | 08-04-2022 |
| 20220243628 | REDUCTANT DOSING CONTROL SYSTEM - Systems and methods for controlling a dosing of reductant for an internal combustion engine system including a catalyst are disclosed. The method includes measuring a value indicative of inlet temperature of the catalyst. When the inlet temperature is less than or equal to a first threshold, the method includes adjusting the dosing of reductant according to a first process. When the inlet temperature is greater than the first threshold, the method includes adjusting the dosing of reductant according to a second process, the second process being different than the first process. | 08-04-2022 |
| 20220243429 | IMPLEMENT GROUND ENGAGING TIP ASSEMBLY HAVING TIP WITH TAPERED RETENTION CHANNEL - A ground engaging tip of a ground engaging tip assembly includes an adapter that attaches to the base edge and having a forwardly extending adapter nose, and a ground engaging tip. The tip has a rear edge and a top and bottom outer surfaces. The top and bottom outer surfaces extend forward from the rear edge of the ground engaging tip and converge at a front edge of the tip. The tip includes first and second side outer surfaces extending forward from the rear edge to the front edge. Tip includes a nose cavity for receiving the adapter nose therein. The nose cavity has first and second side inner surfaces opposite the first and second side outer surfaces, respectively. The nose cavity has an aperture and a retention channel on at least one of the first and second side inner surfaces. The retention channel extends from the rear edge to the aperture and guides a lug of the adapter into the aperture during installation of the ground engaging tip on the adapter. The retention channel has an untapered portion and a tapered portion, with the tapered portion extending from the rear edge to the untapered portion and the untapered portion extending from the tapered portion to the aperture. | 08-04-2022 |
| 20220242504 | SHROUDS FOR GROUSER PROTECTORS IN TRACK SHOES AND GROUSER SHROUD INVENTORY - A shroud for a track shoe grouser protector includes an elongate shroud body having weld holes formed in a first shroud leg and a second shroud leg attached to a base in the elongate shroud body. The shroud may have a fore to aft profile having the form of a flat-crowned arch with the shroud legs flared outward to form a grouser opening for positioning the shroud upon a track shoe grouser in a ground-engaging track system. An inventory of shrouds includes long shrouds and short shrouds positionable in a plurality of different assembly combinations to shield grousers in track shoes having a range of sizes. | 08-04-2022 |
| 20220242502 | SLIDER FOR SUPPORTING A TRACK - A slider includes a first segment and a second segment. The first segment includes a first upper surface, a first lower surface, and a first interior surface that connects the first upper surface to the first lower surface. The first upper surface is configured to support a track. The first interior surface includes a first component of an attachment mechanism. The second segment includes a second upper surface, a second lower surface, and a second interior surface that connects the second upper surface to the second lower surface. The second upper surface is configured to support the track. The second interior surface includes a second component of the attachment mechanism that is configured to be removably attached to the first component. | 08-04-2022 |
| 20220242295 | CLOSED CENTER HOIST VALVE WITH SNUBBING - A valve for controlling a hydraulic cylinder on a work machine may include a raising position configured for placing a pump in fluid communication with a cap end of the hydraulic cylinder. The valve may also include closed center position configured for closing off fluid communication to the cap end line and the rod end line. The valve may also include a lowering position configured for placing the pump in fluid communication with the rod end of the hydraulic cylinder. The valve may also include a snubbing position configured for placing the cap end in restricted flow fluid communication with the tank and for placing the rod end in restricted flow fluid communication with the tank. | 08-04-2022 |
| 20220236741 | VISUAL OVERLAYS FOR PROVIDING PERCEPTION OF DEPTH - A device may determine, based on image data of an environment that includes a ground surface, depth information indicating distances from a vehicle to different areas of the ground surface. The device may generate, based on the depth information, an overlay to indicate a range of distances from the vehicle. The range of distances may be associated with an area. The device may provide, for display, a video feed including the image data with the overlay on the ground surface. The overlay may provide the perception of depth, with respect to the area, during an operation of the vehicle. | 07-28-2022 |
| 20220236731 | REMOTE CONTROL STATION AND METHOD OF OPERATING REMOTE CONTROL STATION - A remote control station includes an operator interface for remotely controlling at least one work operation. The operator interface includes at least one control device and an indication system having a first symbol associated with a plurality of control patterns of the at least one control device. The operator interface further includes a display device configured to display a plurality of control patterns thereon. Each of the plurality of control patterns includes a second symbol substantially similar to the first symbol. The remote control station also includes a controller configured to store the plurality of control patterns associated with the at least one control device. The controller is configured to receive an input signal from the operator interface for activation of one of the plurality of control patterns and transmit an output signal for performing the at least one work operation. | 07-28-2022 |
| 20220235695 | ANNULAR DISK FOR TURBOCHARGER SPEED CONTROL - An annular disk comprises a front surface, a rear surface, an outer surface, and an inner surface. The front surface has a front opening within a front plane. The rear surface has a rear opening within a rear plane. The rear opening, which has a diameter that is smaller than a diameter of the front opening, communicates with the front opening to define a bore for guiding an exhaust stream flowing from a turbocharger to an exhaust outlet. The outer surface connects the front surface to the rear surface and includes an outer angled portion, an outer radial portion, and an outer axial portion. The inner surface includes an inner angled portion, an inner axial portion, and an inner radial portion extending between the inner angled portion and the inner axial portion. The inner radial portion is configured to obstruct a portion of the exhaust stream to increase back pressure. | 07-28-2022 |
| 20220234660 | ULTRASONIC WEAR MEASUREMENT FOR A TRACK PAD - An onboard track machine wear measurement system has an ultra-sonic probe that is attached to an undercarriage of the machine that is disposed adjacent a track chain assembly, and a controller that is in communication with the ultra-sonic probe. The controller is configured to determine the thickness of a load bearing wall of a track component of the track chain assembly. | 07-28-2022 |
| 20220234659 | SPROCKET LOCKING SEGMENTS - A sprocket segment includes a body with an attachment web including a first circumferential end and a second circumferential end. A sprocket region extends radially outwardly from the attachment web, including a plurality of lugs. The first circumferential end includes a dovetail recess including a first side flat surface extending circumferentially and radially from the first circumferential end, a second side flat surface extending circumferentially and radially from the first circumferential end, and an arcuate bottom surface extending radially between the first side flat surface and the second side flat surface. | 07-28-2022 |
| 20220234419 | System and Method of Climate Control in Unmanned Machine - A controller-implemented system and method for automated control of a climate control system of a machine when being operated unmanned. The method includes utilizing at least one temperature sensor to determine the temperature of the machine cab, and, if the machine is being operated unmanned, generating signals to turn on the blower to a minimum setting, comparing the sensed temperature to at least one of minimum and maximum temperature thresholds, and generating signals to turn on the cab cooling device or cab heating device and adjusting the blower to maintain the cab temperature above the minimum and/or below the maximum temperature thresholds. | 07-28-2022 |
| 20220231626 | Power Based Pulse Injection Control for SR Self Sensing - Power based self-sensing of a rotor position of an SR motor at mid to high speeds and low torque is achieved by an SR motor control system by comparing the motor power to an injection maximum power. A position current pulse is injected to a stator pole in response to the motor power being less than the injection maximum power. An actual stator current created by the position current pulse is compared to an estimated stator current, and a stored estimated rotor position in a memory is updated to a new estimated rotor position if the actual stator current is not equal to the estimated stator current. | 07-21-2022 |
| 20220228350 | WEAR PART REMOVAL SYSTEM - A wear part removal system includes a handle, a positioning system configured to control an approach angle of the wear part removal system to a wear part, a clamping system that includes a plurality of clamps and that is configured to clamp the wear part, a contact component configured to contact a portion of the wear part, and a vibrator device configured to generate a vibratory force that is to be transmitted to the wear part. | 07-21-2022 |
| 20220228345 | IMPLEMENT CONTROL CONSOLE FOR WORK MACHINES - A work machine, an implement control console, a plurality of unique implement control pods, and a method of installing an implement control pod onto a work machine are disclosed. The work machine comprises a power unit, a locomotive device, an implement arm, a work tool, and an implement control console for controlling one or more functions of the work machine's components. The implement control console comprises a universal mounting bracket and an implement control pod, where the plurality of unique implement control pods may be installed, one at a time, to the universal mounting bracket. Advantageously, the plurality of unique implement control pods share a number of components, while the design of each implement control pod allows for concurrent one-handed operation. | 07-21-2022 |
| 20220227437 | RIM FOR A TRACK ROLLER - A rim includes a wall, a first annular projection, and a second annular projection. The wall has a first end and a second end. The first end includes a first opening, and the second end includes a second opening that communicates with the first opening to define a bore for a shaft of a track roller. The first annular projection and the second annular projection, which are configured to engage a track, extend radially from the wall. The first annular projection includes a first flange that is configured to constrain movement of the track in a first axial direction. The first flange includes a plurality of notches. The second annular projection includes a second flange that is configured to constrain movement of the track in a second axial direction that is opposite to the first axial direction. | 07-21-2022 |
| 20220227436 | DEBRIS PATH FOR MINING TRACK UTILIZING A SEALED JOINT - A track chain assembly includes a first track pad including a first pair of lugs defining a gap therebetween, and a second track pad including an intermediate lug disposed in the gap. The first pair of lugs and the intermediate lug each define a concentric bore, defining an axis of rotation for a pinned joint of the track chain assembly, and the concentric bore of one of the first pair of lugs is in communication with the gap with a first blend disposed axially between the gap and the concentric bore. | 07-21-2022 |
| 20220226757 | TOP AND BOTTOM LOADED FILTER AND LOCKING MECHANISM - A filter element includes a bottom open end joined to a center tube opposite the top open end. The bottom open end defines a radially outer surface and a radially inner surface that is in communication with the central reservoir of the filter element. A first locking feature is disposed proximate to the bottom open end. The locking feature includes an entrance slot that is disposed on the radially inner surface of the center tube extending axially from the bottom open end. A similar or identical second locking feature is disposed proximate to the top open end. | 07-21-2022 |
| 20220226756 | LOCKING FEATURE FOR A FILTER - A filter element includes a bottom open end joined to a center tube opposite the top open end. The bottom open end defines a radially outer surface and a radially inner surface that is in communication with the central reservoir of the filter element. A locking feature is disposed proximate to the bottom open end. The locking feature includes an entrance slot that is disposed on the radially inner surface of the center tube extending axially from the bottom open end. | 07-21-2022 |
| 20220212611 | CONSTRUCTION VEHICLE AND FASTENING MEMBER FOR CONSTRUCTION VEHICLE - A construction vehicle includes a panel removably coupled to a vehicle component and fastening member for removably coupling the panel to the vehicle component. The fastening member includes a main body having a lock stud that is movable to switch the fastening member between a locked position and an unlocked position. The fastening member also includes a ring assembly. The ring assembly defines a first portion and a second portion. The first portion includes a base portion and one or more first tabs. The one or more first tabs are inclined relative to the base portion. The first portion further includes one or more second tabs parallel to the base portion. Further, the one or more first tabs and the one or more second tabs together define a seating portion for receiving the lock stud. | 07-07-2022 |
| 20220099533 | SYSTEM AND METHOD FOR MONITORING MACHINE OPERATIONS AT A WORKSITE - A method and system for monitoring operations of a machine operating at a worksite, is provided. The machine includes an implement for performing one or more implement operations and is powered by an engine. The method includes determining a first parameter corresponding to an engine speed associated with the engine, a second parameter indicative of vibrations detected inside the operator cabin and a third parameter indicative of a machine speed associated with the machine. The method further includes determining a machine operation as one of the loading operation, the dumping operation and a travelling operation based on one or more of the determined first parameter, second parameter and the third parameter. | 03-31-2022 |
| 20220099184 | INSERT WITH SEALING GROOVE FOR ENGINE BLOCK AND SYSTEMS, ASSEMBLIES, COMPONENTS, AND METHODS THEREOF - An insert for an engine block and systems, assemblies, components, and methods thereof can comprise a ring-shaped body having an inner surface and an outer surface opposite the inner surface. The inner surface can having one or more sealing grooves adapted to receive and retain respective sealing rings. A maximum outer diameter of the ring-shaped body can be defined by the outer surface and can be greater than a height of the ring-shaped body in a longitudinal direction of the ring-shaped body. | 03-31-2022 |
| 20220099165 | ENGINE ACCESSORY DRIVE SYSTEM AND ONE-PIECE BRACKET FOR SAME - An accessory drive system for an engine includes a one-piece bracket supporting a first pulley, and an auto-tensioner including a first arm end coupled to the one-piece bracket, a second arm end, and a tensioner pulley supported for rotation upon the second arm end. The first arm end rotates relative to the one-piece bracket to pivot the auto-tensioner between a first stop position and a second stop position in contact, respectively, with a first tensioner stop and a second tensioner stop formed integrally in the one-piece bracket. | 03-31-2022 |
| 20220099121 | PANEL ASSEMBLY AND AFTERTREATMENT ASSEMBLY INCLUDING PANEL ASSEMBLY - A panel assembly includes a panel member having a mounting side and at least one elongated member. The at least one elongated member includes a mounting edge, a second edge opposite the mounting edge of the at least one elongated member, and a plurality of first spaced apart openings. The panel assembly further includes at least one elongated intersecting member. The at least one elongated intersecting member includes a mounting edge, a second edge opposite the mounting edge of the at least one elongated intersecting member, and a plurality of second spaced apart openings. Further, one of the at least one elongated member and the at least one elongated intersecting member includes at least one slot, the at least one elongated member and the at least one elongated intersecting member intersecting at the at least one slot. | 03-31-2022 |
| 20220099054 | FILTRATION DEVICE HAVING A LATCH MECHANISM - A filtration device may include a filter element and a housing that is configured to receive the filter element. The filter element may include a casing having a first outer surface and a flange connected to the first outer surface. The flange may include a plurality of snap members. A snap member, of the plurality of snap members, may include a fulcrum projecting from the flange and a lever mounted on the fulcrum. The housing may include a shell having a second outer surface and a plurality of ramp members. The plurality of ramp members may be fixedly connected to the second outer surface and may be configured to engage the plurality of snap members of the filter element. A ramp member, of the plurality of ramp members, may include an angled surface that extends from the second outer surface at an acute angle relative to the second outer surface. | 03-31-2022 |
| 20220099004 | ENGINE VALVE SYSTEM HAVING ROCKER ARM ASSEMBLY WITH ROLLER LOCK FOR SELECTIVE ENGINE VALVE DEACTIVATION - A rocker arm assembly for an engine valve system includes a rocker arm for actuating an engine valve, a stop, a biaser, and a swing lock attached to one of the valve end or the cam end of the rocker arm and defining a pivot axis, and including an actuating surface. The actuating surface is rotatable between a stopped orientation and an idled orientation, and the biaser biases the swing lock towards the stopped orientation where the swing lock contacts the stop and traps the swing lock between the rocker arm and one of an engine valve or a cam. The swing lock is movable in opposition to a bias of the biaser toward the idled orientation to deactivate the engine valve. | 03-31-2022 |
| 20220096986 | FILTRATION DEVICE HAVING A LATCH MECHANISM ADAPTER - A filtration device may include an adapter, a filter element, and a housing. The adapter may include a collar having an upper rim and a lower rim, a plurality of locking tabs extending from the upper rim, and a plurality of snap members extending from the lower rim. The filter element may include a casing and a plurality of receptacles connected to and arranged around a first outer surface of the casing. The plurality of receptacles are configured to receive the plurality of locking tabs. The housing, which is configured to receive the filter element, includes a shell and a plurality of ramp members that are connected to a second outer surface of the shell. The plurality of ramp members are configure to engage the plurality of snap members. | 03-31-2022 |
| 20220096974 | ADJUSTABLE RING ASSEMBLY FOR TWO-DIMENSIONAL FILTRATION - A filtration device includes a guide member and an adjustable ring assembly. The guide member is configured to be secured to an interior of a fuel device and includes a plurality of holes to guide fuel therethrough. The adjustable ring assembly is configured to be positioned within the interior of the fuel device to filter the fuel flowing through the fuel device. The adjustable ring assembly has a plurality of stackable rings that are concentrically aligned. A junction between a first ring and a second ring, of the plurality of stackable rings, defines a plurality of openings that fluidly communicate with the plurality of holes. The plurality of openings are smaller, respectively, than the plurality of holes. | 03-31-2022 |
| 20220077699 | BATTERY SYSTEM - In some aspects, a method of monitoring a battery system of an industrial vehicle is disclosed. The battery system may include a first string of battery modules including at least two battery modules connected in series; a first contactor connected to a positive end of the first string of battery modules; a second contactor connector to a negative end of the first string of battery modules; a third contactor connected to the first contactor; a fourth contactor connected to the second contactor; and one or more controllers configured to monitor the first contactor and the second contactor. The method may include receiving, at the one or more controllers, an indication of a failure of one of the first contactor and the second contactor; and opening, via the one or more controllers at least one of the third contactor or the fourth contactor. | 03-10-2022 |
| 20220077441 | BATTERY SYSTEM FOR INDUSTRIAL MACHINE - In one example, a battery housing assembly may be provided in an industrial vehicle, and the battery housing assembly may include a battery housing having a top, bottom, and opposite sides, and a length, a width, and a height, the length and width extending between the opposite sides, and the height extending from the top to the bottom of the battery housing; a plate extending substantially the entire length and height of the battery housing; and a plurality of battery modules positioned within the housing, wherein at least two of the plurality of battery modules are connected in series and located on the opposite sides of the plate. | 03-10-2022 |
| 20220076033 | OBJECT TRACKING FOR WORK MACHINES - A system and method for monitoring objects in the vicinity of a work machine that is in motion includes obtaining, using a camera associated with the work machine, first image data of a field-of-view of the camera at a first position; identifying an object-of-interest within the first image data; associating an alarm with the object-of-interest, the alarm configured to indicate the presence of the object-of-interest; presenting the alarm through an output device; receiving an input to snooze the alarm for the object-of-interest; generating a mask for the object-of-interest using image coordinates of the object-of-interest within the first image data; obtaining, using the camera, second image data of the field-of-view of the camera at a second position during motion of the work machine; identifying an object within the second image data; and selectively aborting the alarm presentation through the output device in response to determining, using the mask, that the object is the object-of-interest. | 03-10-2022 |
| 20220074378 | FUEL INJECTOR AND NOZZLE ASSEMBLY HAVING DUAL CONCENTRIC CHECK ASSEMBLY AND DUCTED SPRAY ORIFICES - A fuel injector includes a nozzle assembly having a nozzle case, and a concentric check assembly within the nozzle case. Transfer passages are formed in an outer check of the check assembly, and spray orifices are formed in the nozzle case. A fuel volume is formed between the outer check and an inner check, and the inner check is movable to fluidly connect the transfer passages to the fuel volume. The outer check is rotatable between a first angular orientation and a second angular orientation to fluidly connect separate sets of the transfer passages to separate sets of the spray orifices. Spray ducts are in spray path alignment with at least one of the sets of spray orifices. | 03-10-2022 |
| 20220073014 | WIRING HARNESS ASSEMBLY HAVING 3-DIMENSIONAL SLEEVE GUIDE, AND METHOD OF MAKING SAME - An electrical wiring harness assembly includes a wiring harness formed by bundled electrical lines, and including breakouts diverging from a main trunk. A sleeve guide encloses a compound junction formed by the main trunk and the breakouts and includes a plurality of breakout guide tubes receiving the plurality of breakouts and fixing outgoing trajectories of the plurality of breakouts from the main trunk in a 3-dimensional pattern where the outgoing trajectories all differ, relative to the center axis of the sleeve guide, in at least one of a longitudinal, a circumferential, or an angular aspect. | 03-10-2022 |
| 20220010531 | WORK MACHINE WITH SENSOR ENABLED USER CONTROL - A work machine comprises an armrest and a user control operable by the user to control tool or machine functions when the user's arm rests on the armrest. An armrest sensor is configured to sense the presence of the user's arm and to disable the control when the user's arm is removed from the armrest. The control may be mounted on the armrest and the armrest movable between enabling and disabling positions by the weight of the user's arm. A seat sensor may be configured to disable the control when the user leaves the seated position. | 01-13-2022 |
| 20220009569 | SCALLOP-RESISTANT TRACK LINK AND METHOD OF MAKING SAME - A track link includes an elongate link body formed of a link body material that varies in hardness to form a first lower hardness zone, a second lower hardness zone, and a higher hardness zone. The higher hardness zone includes an upper rail surface of the elongate link body and extends substantially throughout the elongate link body outside of the first and second lower hardness zones, which surround the track pin bores. Related methodology for making a track link is also disclosed. | 01-13-2022 |
| 20220009302 | CLEVIS-ENDED SUSPENSION STRUT MANUFACTURED WITHOUT WELDS - In accordance with one aspect of the present disclosure, a suspension strut for use on a work machine is provided. The suspension strut may have a forged one piece cylindrical inner housing that includes a hollow rod which forms a circumferential piston at an open end and a lower clevis at a closed end of the hollow rod. The suspension strut may further have a forged one piece cylindrical outer housing that includes a hollow barrel having an interior and an exterior surface, a closed end that forms an upper clevis, an open end, and a port on an outside surface of the hollow barrel. Further, the inner and outer housing may be coupled by a disk shaped end cap attached to the open end of the hollow barrel having an inner diameter that is slideably engaged with an outer surface of hollow rod. | 01-13-2022 |
| 20220002983 | RETENTION SYSTEM FOR BOLTLESS CUTTING EDGES - A retainer for attaching a work member or a wear member to an implement of a machine includes a wavy annular body defining a central axis, and at least one detent. A tab extends axially away from the wavy annular body. | 01-06-2022 |
| 20220002982 | RETENTION SYSTEM FOR BOLTLESS CUTTING EDGES - A retaining system includes a lock including a drive portion that defines an axis of rotation, a radial direction, and a circumferential direction, and further includes a locking portion including an outer peripheral surface. A wing extends radially outwardly from the outer peripheral surface, while the locking portion is connected to the drive portion by a wall. A rib extends axially from the wall toward the drive portion forming an annular cavity, defining at least one detent receiving aperture that is disposed in the annular cavity. | 01-06-2022 |
| 20220002981 | RETENTION SYSTEM FOR RIPPER TIPS - A work tool or a wear member includes a working portion or a wear portion, a hollow portion that further defines a lock receiving aperture defining an axis of rotation, a radial direction, and a circumferential direction. The axis of rotation is transverse to the direction of assembly of work tool or wear member as the member is slid over a nose portion of a tool adaptor or the like. The axis of rotation is spaced away from the direction the pin receiving thru-hole extends a predetermined distance measured along the direction of assembly. | 01-06-2022 |
| 20220002980 | RETENTION SYSTEM FOR MOTOR GRADER BITS - A work tool or a wear member includes a working portion or a wear portion, and a shank extending from the working portion or the wear portion, defining a longitudinal axis, and a first lock receiving groove that defines an axis of rotation that is perpendicular to the longitudinal axis of the shank. | 01-06-2022 |
| 20220001943 | TRACK SHOE OR TRACK PAD HAVING A WEAR MEMBER - A track shoe includes a base plate, a grouser extending from the base plate, and at least one white iron member. At least a portion of the grouser includes a substantially martensitic structure. The at least one white iron member is fixed to a portion of the grouser. | 01-06-2022 |
| 20220001307 | INTEGRAL FILTER ENDCAP, MOLD, AND SEAL - An integrated seal member includes an at least partially annular body defining a longitudinal axis, a radial direction, and a circumferential direction. The at least partially annular body includes a top annular mounting portion, a sealing portion including at least one top sealing feature and at least one bottom sealing feature, and a connecting portion that extends at least radially outwardly from the top annular mounting portion to the sealing portion. | 01-06-2022 |
| 20210404422 | GASEOUS FUEL MIXER ASSEMBLY FOR ENGINE AND ENGINE SYSTEM OPERATING METHOD - A gaseous fuel mixer assembly for an engine includes a mixer housing forming gas delivery openings, and positioned to extend across a flow path formed by an intake conduit for the engine. A spool valve is within a central bore in the mixer housing and includes gas distribution openings selectively connectable to the gas delivery openings by moving the spool valve within the mixer housing using a piezoelectric actuator coupled with the spool valve by way of a pivot arm. Sealing lands of the spool valve are in an alternating arrangement with the gas distribution openings, such that at the closed position the sealing lands block the gas distribution openings from the gas delivery openings, and at the open position the respective openings are fluidly connected. | 12-30-2021 |
| 20210404375 | ENGINE OPERATING METHOD AND ENGINE SYSTEM FOR IMPROVED LOAD STEP ACCEPTANCE - Operating an engine system includes feeding a flow of exhaust to a turbine in a turbocharger, receiving a load step request, and increasing a speed of rotation of the turbocharger based on an increase in a fueling rate initiated in response to the load step request. Operating the engine system further includes limiting dissipation of heat energy of the flow of exhaust to the turbine to hasten an increase in the speed of rotation of the turbocharger, and increasing dissipation of heat energy from the flow of exhaust after satisfaction of the load step request. Varying of the dissipation of heat energy can be achieved by displacing an insulating fluid in the exhaust manifold with a heat exchange fluid such as water and/or engine coolant. | 12-30-2021 |
| 20210404143 | CONSTRUCTION VEHICLE - A construction vehicle includes a chassis having a front end and a rear end. The construction vehicle also includes an operator cabin supported by the chassis and a hood proximate to the rear end of the chassis. The construction vehicle further includes a hood structure for supporting the hood. The hood structure includes a first frame member coupled to the chassis proximate to the rear end and a second frame member disposed distal to the rear end and proximal to the operator cabin. The second frame member is coupled to the chassis by a mounting assembly. The mounting assembly includes a plate member connected to the second frame member. The mounting assembly also includes a first mounting device connecting a first end of the plate member to the chassis. The mounting assembly further includes a second mounting device connecting a second end of the plate member to the chassis. | 12-30-2021 |
| 20210395973 | DRAGLINE BUCKET - A dragline bucket includes a base member defining a first end, a second end, and a third end. The dragline bucket also includes a first side wall, a second side wall, and an end wall extending from the base member proximate to the third end of the base member such that the end wall is connected to each of the first side wall and the second side wall. The end wall includes a first portion connected to the base member such that a first angle is defined between the base member and the first portion. The end wall also includes a second portion extending from the first portion. The second portion is substantially perpendicular to the base member. The end wall further includes a third portion extending from the second portion such that a second angle is defined between the second portion and the first portion. | 12-23-2021 |
| 20210394840 | GROUND-ENGAGING TRACK FOR MACHINE HAVING MULTI-TOOTH MASTER LINK - A ground-engaging track includes a track chain formed of standard links and at least one master link. The master link include a first half link and a second half link, clamped together by way of a forward bolt and a rearward bolt. Clamping surfaces of the first half link and the second half link form a first tooth set and a second tooth set, respectively, which may include a total of 2 or 3 full teeth and tooth roots, confined in distribution between a forward bolt hole and a rearward bolt hole. | 12-23-2021 |
| 20210394591 | SCREEN ASSEMBLY FOR CONSTRUCTION VEHICLE - A screen assembly adapted to be removably coupled to an air filter of a construction vehicle includes a frame member including a first portion and a second portion. The screen assembly includes a screen member coupled to the frame member such that a hollow space is defined by the screen member and the frame member. The screen member includes a plurality of perforations adapted to allow passage of air therethrough. The plurality of perforations are further adapted to restrict an ingress of debris into the hollow space of the screen assembly | 12-23-2021 |
| 20210392573 | SYSTEM, METHOD, AND DEVICE FOR PROVIDING LOCAL ELECTRONIC SERVICING - A system, method, and device for providing local electronic servicing of a machine can comprise providing, to a mobile device, access to a network manager of the machine via a pairing and connection process between the network manager and the mobile device over a network; enabling, from a back office system, local electronic access functionality, such as functionality with elevated privileges, on the mobile device upon successful pairing and connection between the network manager and the mobile device; and with the mobile device and the network manager paired and connected, electronically accessing data of the machine using the mobile device. | 12-16-2021 |
| 20210381615 | Valve Cap Adapter and Arrangement and Method of Removing a Valve Cap - Method of removing a valve cap threadedly engaged with a valve body includes inserting at least one coupling rod from a cap adapter through a valve cap attachment hole to couple the structures, coupling an output drive of a torque multiplier with the adapter, and exerting an input torque on the torque multiplier to rotate the adapter and valve cap, the input torque exerted on the torque multiplier being increased by the torque multiplier. | 12-09-2021 |
| 20210381401 | SYSTEM AND METHOD FOR ENGINE VALVE LASH CALIBRATION - A method for adjusting a valve lash in an internal combustion engine includes receiving a first signal generated by a sensor secured to the internal combustion engine, the first signal being indicative of a closing of a valve, receiving a second signal indicative of at least one of an engine speed of the internal combustion engine or a position of a camshaft of the internal combustion engine, and automatically determining an adjusted amount of lash associated with the valve based on the received first signal and the received second signal. The method also includes comparing the adjusted amount of lash to at least one predetermined threshold, and providing, in response to determining that the adjusted amount of lash is greater than the at least one predetermined threshold, a valve lash re-adjustment notification. | 12-09-2021 |
| 20210381206 | WORK IMPLEMENT ASSEMBLY USING A CENTER ADAPTER MATING WITH A NOTCHED BASE EDGE - An adapter includes a first leg, a second leg, and a throat portion that define a slot defining a direction of assembly onto a work implement assembly, a lateral direction that is perpendicular to the direction of assembly, and a vertical direction that is perpendicular to the direction of assembly and the lateral direction. The throat portion further includes a first throat side surface disposed along the lateral direction and a second throat side surface disposed on the opposite side of the throat portion along the lateral direction. The first throat side surface defines a first adapter cover receiving recess. | 12-09-2021 |
| 20210380169 | RIB-LESS HOIST STRUCTURE FOR TRUCK BODY - A hoist structure for a body of a truck can be comprised of a hoist plate arrangement extending in a first direction and configured to be rotatably coupled to a hoist member of the truck; and a plurality of external gussets spaced from each other in the first direction and extending in a second direction perpendicular to the first direction. Each of the external gussets can interface with the hoist plate arrangement, and a portion of each of the external gussets can extend in the second direction from a first side of the hoist structure arrangement. | 12-09-2021 |
| 20210374943 | METHODS AND SYSTEMS FOR DETERMIING PART WEAR USING A BOUNDING MODEL - A method for determining part wear, such as using a wear metric, includes receiving, from a sensor, sensor data representing a surface of a wear part. The method further includes determining distances between measured points in the sensor data and points on one or more part models, which part models may include new part models and/or worn or wear limit part models. The method further includes using a bounding model that at least partially envelopes the part model(s) and the measured points to determine a direction along which the distances are measured. The method may also include quantifying wear using the measured distances. | 12-02-2021 |
| 20210374676 | SYSTEM, METHOD, AND DEVICE FOR ELECTRONICALLY PROVIDING PAVING INFORMATION - A system, method, and device for electronically providing paving information for paving quality and control actions comprises receiving paving information at a first computer or processor, which can host an application to perform some or all of the paving quality and control actions. The paving information can include one or more electronic work tickets associated with respective paving material dump spots. The paving information can be displayed on a display if an electronic device associated with the first computer or processor. The first computer or processor can also receive paving quality and control information responsive to one or more inputs to the electronic device. The paving quality and control information can be output to another electronic device for consideration. | 12-02-2021 |
| 20210374633 | ROLE-BASED ASSET TAGGING FOR QUANTIFICATION AND REPORTING OF ASSET PERFORMANCE - Performance quantifying and reporting for machine assets includes storing, in a work plan, asset tag assignments for a plurality of assets, and receiving location information, for example, indicative of a segment of a work cycle, being worked on by an asset. Attributes of an asset, including an inferred occurrence or non-occurrence of an asset-to-asset interaction, are based upon the location information and matching of role-based asset tags between or amongst assets. Performance history of the asset is quantified and reported based on the identified attributes for displaying, on a user interface, machine asset performance metrics. | 12-02-2021 |
| 20210372346 | INTERNAL COMBUSTION ENGINE AND PISTON HAVING STEPPED COMBUSTION BOWL WITH NON-AXISYMMETRIC PROFILE - An internal combustion engine system includes an engine housing having a combustion cylinder, and a piston movable within the combustion cylinder to increase a pressure therein to an autoignition threshold for injected fuel. The piston includes a piston crown having a combustion face forming a combustion bowl, and varied in profile to form jet-jet interaction limiters at locations offset from fuel spray jet paths from a fuel injector. The jet-jet interaction limiters include a bowl component and a step component protruding, respectively, within the combustion bowl and a step located transitioning between the combustion bowl and a circumferential rim of the piston. Limiting jet-jet interaction limits soot production in exhaust produced by the engine. | 12-02-2021 |
| 20210372333 | METHOD AND SYSTEM FOR LOAD CONTROL IN AN INTERNAL COMBUSTION ENGINE - A method for controlling an internal combustion engine includes receiving a request for a desired output from the internal combustion engine, receiving sensor information indicative of at least an engine speed or a pressure of gas provided to the internal combustion engine, and setting a changeable limit associated with a supply of air and fuel to the internal combustion engine. The method also includes, based at least in part on the received sensor information, changing the changeable limit to define a changed limit and reducing an output of the internal combustion engine based on the changed limit. | 12-02-2021 |
| 20210372080 | DRAWBAR ASSEMBLY FOR A MOTOR GRADER - A drawbar assembly for a motor grader is provided. The drawbar assembly defines a longitudinal axis and includes a first frame member and a second frame member. The first frame member is adapted to be movably coupled to main frame of the motor grader. The first frame member includes a first base member extending along longitudinal axis and a first mating portion bent away relative to first base member to extend transversely relative to longitudinal axis. The second frame member includes a second base member extending along longitudinal axis and a second mating portion bent away relative to second base member to extend transversely relative to longitudinal axis. The second mating portion is configured to mate with first mating portion to form a connection joint therebetween, facilitating the first frame member and second frame member to be conjoined to together support a circle assembly of the motor grader thereunder. | 12-02-2021 |
| 20210370818 | CANOPY STRUCTURE FOR TRUCK BODY - A canopy of a dump body for a truck comprises a deck having a length and a width greater in dimension that the length defined by a front edge, a rear edge opposite the front edge, a first side edge, and a second side edge opposite the first side edge. The deck can define an upper surface and a lower surface opposite the upper surface. In a front view the deck can define a concave shape, with a center portion and stepped portions between the center portion and the first and second side edges. | 12-02-2021 |
| 20210365449 | CALLABORATIVE SYSTEM AND METHOD FOR VALIDATING EQUIPMENT FAILURE MODELS IN AN ANALYTICS CROWDSOURCING ENVIRONMENT - A method for dynamically creating and validating a predictive analytics model to transform data into actionable insights the method comprising: identifying an event, selectively tagging, based on analytics expertise, at least one time series data area (data area), where the identified event occurred, comparing data area where the identified event is tagged with the data area where the identified event is not tagged, building, based on analytics expertise, the predictive analytics model embodying the classification generated by selective tagging, displaying the visual indicia generated by executing the predictive analytics model, and validating the predictive model based on a feedback from at least one domain expert. | 11-25-2021 |
| 20210359521 | METHODS AND SYSTEMS FOR OFF-GRID LOAD STABILIZATION OF ENERGY DISTRIBUTION SYSTEMS - The present disclosure discloses methods, systems, and non-transitory computer-readable medium for off-grid load stabilization. For instance, the method may include: receiving generator data from at least one generator and energy storage data from at least one energy store; determining, based on the generator data and/or the energy storage data, a moving average of a system load of the at least one generator; and determining, based on the generator data and/or the energy storage data, an instantaneous load value of the at least one generator. The method may further include: determining a first electronic storage dispatch (ESD) based on the moving average of the system load and the instantaneous load value of the at least one generator; and providing the first ESD to the at least one energy store. | 11-18-2021 |
| 20210355885 | SYSTEM AND METHOD OF CONTROLLING A TURBOCHARGED ENGINE - A control system for an engine including a turbocharger disposed downstream of a plurality of cylinders. The control system includes an engine sensor configured to generate a signal indicative of an operational characteristic of the engine. The control system includes a first valve configured to control exhaust flow through a first set of cylinders from the plurality of cylinders. The control system includes a second valve configured to control exhaust flow through a second set of cylinders from the plurality of cylinders. The control system includes a controller communicably coupled to the engine sensor, the first valve, and the second valve. The controller is configured to receive the signal generated by the engine sensor. The controller is configured to actuate the first valve and the second valve based on the received signal. The first valve and the second valve are actuated to adjust exhaust flow received by the turbocharger. | 11-18-2021 |
| 20210355658 | SYSTEM FOR SECURING BITS AGAINST ROTATION - A system for use in securing bits against rotation in a motor grader may include a bit, with the bit having a shank. The shank may include a locking portion. The system may include an adapter board including a hole configured to receive the shank of the bit. The system may also include an anti-rotation plate configured to engage the locking portion of the shank of the bit such that the anti-rotation plate constrains the bit against rotation with respect to the adapter board. | 11-18-2021 |
| 20210355653 | CIRCLE ASSEMBLY FOR A MOTOR GRADER - A circle assembly for supporting implement of motor grader is provided. The circle assembly rotates relative to drawbar about rotation axis. The circle assembly includes plate and rim member coupled to plate. The plate defines front section and rear section and includes a ring gear portion defining a plurality of teeth formed integrally therein. A first skirt portion and a second skirt portion integrally and contiguously extend from ring gear portion at rear section. The first skirt portion and second skirt portion are angled relative to ring gear portion in direction of rotation axis. The rim member includes first arm member and second arm member attached to first skirt portion and second skirt portion, respectively, and a circumferential belt portion extending between the first arm member and the second arm member. The belt portion is spaced from and surrounds ring gear member at the front section of the plate. | 11-18-2021 |
| 20210351573 | PRECHAMBER SPARKPLUG HAVING ELECTRODES LOCATED FOR INHIBITING FLAME KERNEL QUENCHING - A prechamber sparkplug includes a housing having a nozzle with a prechamber formed therein, and each of a first set and a second set of electrode prongs within the prechamber. The second set of electrode prongs downwardly depend from attachment points to the housing, and form, together with the first set of electrode prongs, spark gaps within the prechamber. Each of the anode-cathode pairs formed by the sets of electrode prongs is spaced radially inward a clearance distance from the prechamber wall to position the spark gaps in a flow of swirled gases. The flow of swirled gases displaces a flame kernel formed at the spark gaps to inhibit quenching. | 11-11-2021 |
| 20210350114 | METHOD AND SYSTEM FOR DETECTING A PILE - A system and a method for detecting a pile of material by an autonomous machine. A 3D point cloud method includes obtaining a 3D point cloud indicative of an environment having a material pile, performing a ground surface estimation on the point cloud to identify non-ground points, grouping the non-ground points into clusters based on a proximity metric, creating a normalized height histogram for each of the clusters, comparing the normalized height histogram of each cluster to a generalized pile histogram, and identifying a cluster as a pile based on the similarity between the normalized height histogram and the generalized pile histogram. A 2D image method includes obtaining a 2D image from an imaging device, calibrating the imaging device with respect to a coordinate frame of the machine, and autonomously detecting an image of a material pile in the two-dimensional image using a trained deep-learning neural network. | 11-11-2021 |
| 20210349708 | SYSTEM AND METHOD INVOLVING MULTIPLE SOFTWARE TARGETS PACKAGED INTO ONE FILE - A system and method of building a package for software targets in a flash memory. Each software target can be identified by a unique identifier and include an image for encoded information. The method can include generating a target specification file for each of the software targets, generating a package specification file that includes a work order containing work order information indicating an installation process for the software targets, and building a package that includes the software targets, the target specification files, and the package specification file. The method can also include flashing, in the flash memory, a software target in accordance with the installation process and a respective installation command. | 11-11-2021 |
| 20210348701 | HOSE ASSEMBLY AND METHOD OF USING HOSE ASSEMBLY - A hose assembly includes a hose and a support member. The hose includes a first portion, a second portion and a third portion. The first portion defines a first diameter. The second portion defines a second diameter that is different from the first diameter. The third portion defines a third diameter that is different from the first diameter and the second diameter. A first flange portion is defined at an intersection of the first portion and the second portion. A second flange portion is defined at an intersection of the second portion and the third portion. The support member includes a first end portion and a second end portion. The first end portion is adapted to engage with the first flange portion. The second end portion is adapted to engage with the second flange portion. | 11-11-2021 |
| 20210348640 | FASTENER RETAINING COMPONENT - A fastener retaining component may comprise a first elongated member. A length of the first elongated member may be greater than a diameter of a fastener receiving element of a component. The fastener retaining component may further comprise a second elongated member. A length of the second elongated member may be greater than the diameter of the fastener receiving element. The fastener retaining component may be configured to be press-fit within the fastener receiving element such that press-fitting the fastener retaining component, within the fastener receiving element, increases a tension in the fastener retaining component to cause the first elongated member and the second elongated member to engage with an inner surface of the fastener receiving element and to retain a fastener within the fastener receiving element. | 11-11-2021 |
| 20210347411 | HYBRID STEERING SYSTEM AND METHOD IMPLEMENTING VIRTUAL AND MECHANICAL STOPS - A steering system and method can determine one or more position-related characteristics of a steering column of a machine, determine that the one or more position-related characteristics indicate that a resistive force is to be applied to the steering column, and control operation of an electric motor to apply the resistive force to the steering column, wherein a mechanical end stop can be provided to restrict rotation of the steering column. One or more virtual stops may be set to limit rotation of the steering column by way of controlling the operation of the electric motor to apply the resistive force. | 11-11-2021 |
| 20210340999 | ACCUMULATOR AND METHOD OF OPERATING ACCUMULATOR - An accumulator includes an accumulator housing defining a first end, a second end opposite to the first end, and a hollow chamber. The accumulator also includes a piston slidably disposed within the hollow chamber and adapted to displace between the first and second ends. The piston divides the hollow chamber into a gaseous chamber proximate to the first end of the accumulator housing and a hydraulic chamber proximate to the second end of the accumulator housing. Further, the piston defines a first side surface in communication with the gaseous chamber and a second side surface spaced apart from the first side surface. The second side surface is in communication with the hydraulic chamber. A cavity of the piston is in communication with the second side surface and extends from the second side surface towards the first side surface. The cavity is in fluid communication with the hydraulic chamber. | 11-04-2021 |
| 20210340978 | POWER END FRAME WITH RESIDUAL COMPRESSIVE STRESS AND METHODS - A power end frame includes a housing and a face plate secured to the housing. During use, components of the power end frame, including the housing and the face plate, are subjected to large tensile stresses. This disclosure describes a method of imparting compressive stresses in the power end frame to resist these large tensile stresses. | 11-04-2021 |
| 20210340890 | STEM SEAL FOR VALVE ASSEMBLY OF MACHINE ENGINE - A valve assembly for an engine includes a gas exchange valve, a valve guide, and a seal. The gas exchange valve includes a valve stem. The valve guide includes an outer surface having a stem seal retention surface disposed at a seal end thereof. The valve stem extends through the valve guide such that the valve is reciprocally movable over a range of travel along the longitudinal axis with respect thereto. The seal is mounted to the stem seal retention surface of the valve guide such that the seal is in running, sealing engagement with the valve stem. The stem seal retention surface includes a shoulder surface to help retain the seal. | 11-04-2021 |
| 20210340889 | VALVE LIFTER ANTI-ROTATION DEVICE HAVING CANTILEVER BRIDGE - An engine valve actuation system includes a camshaft, rotatable in an engine, and a compound collar including a mounting sleeve, a guide sleeve, and a bridge cantilevering the guide sleeve to the mounting sleeve. A first valve lifter is interference-fitted in the mounting sleeve, and a second valve lifter is slip-fitted within the guide sleeve. First and second lifter bores receiving the first and second valve lifters are congruent, and the first and second valve lifters may be substantially identical. The compound collar reciprocates with the interference fitted first valve lifter, slidably receives the slip-fitted second valve lifter, and limits in-service rotation of both. | 11-04-2021 |
| 20210340885 | VALVE LIFTER ANTI-ROTATION DEVICE AND VALVE LIFTER ASSEMBLY IN VALVE ACTUATION SYSTEM - An engine valve actuation system includes a rotatable camshaft, a first valve lifter, and a second valve lifter, structured to actuate valves in an engine in response to rotation of cams of the camshaft. The engine valve actuation system includes an anti-rotation device having a collar with a sleeve portion and a boss portion, and a bridge connector structured to couple with one of the valve lifters. Another one of the valve lifters is slidably received in the sleeve portion. The anti-rotation device reciprocates with the one of the valve lifters, and each of the valve lifters is restricted from rotation during service. | 11-04-2021 |
| 20210340739 | CORNER SEGMENT HAVING PROTRUSIONS ON WEAR ZONES - In one aspect, a corner segment, configured to be mounted to a work implement, may include a body having a plurality of surfaces including a rear surface, an upper surface, a front surface, a bottom surface, an outer side surface, an inner side surface, and a corner surface that is adjacent to each of the front surface, the outer side surface, the upper surface, and the bottom surface. A portion of the bottom surface forms a bottom surface wear zone, and a portion of the front surface forms a front surface wear zone, The corner segment may also include a plurality of protrusions provided on wear zones, the wear zones including the bottom surface wear zone and the front surface wear zone. | 11-04-2021 |
| 20210337029 | COMMUNICATING PARAMETERS BASED ON A CHANGE - A client device may identify a first parameter that is to be updated periodically and a second parameter that is to be updated based on a state change. The client may transmit, via a negotiation session, a request to the server device. The request indicates that the server device is to periodically provide information indicating a current value of the first parameter and is to provide information indicating an updated value of the second parameter when a state of the second parameter changes. The client device may periodically receive, from the server device and via a second communication protocol, a first datagram including the current value of the first parameter and may receive a second datagram including the updated value of the second parameter based on the server device determining that the current state of the second parameter has changed. | 10-28-2021 |
| 20210334720 | System and Method for Multi-Phase Optimization of Haul Truck Dispatch - A system and method for dispatching haul trucks includes a production planner configured to operate based on a production plan. The production planner computationally defines production arcs for transferring material from loading tools to dump sites, computationally develops one or more possible return arcs for each production arc, compiles a set of possible return arcs, and computationally selects a sub-set of the possible return arcs to command a real time dispatcher. | 10-28-2021 |
| 20210332876 | REMANUFACTURED PINION SHAFT AND METHOD OF MAKING - A remanufactured pinion shaft includes a salvage member secured to a replacement member. The salvage member may be formed from a damaged pinion shaft and includes first gear teeth proximate a first axial end and a first alignment member proximate a second axial end. The replacement member includes second gear teeth proximate a first axial end and a second alignment member proximate a second axial end. The first alignment member and the second alignment member cooperate to transmit rotational motion between the first salvage member and the replacement member and/or align the salvage member relative to the replacement member. | 10-28-2021 |
| 20210332568 | CORNER SEGMENT AND CORNER SHROUD FOR A WORK IMPLEMENT - In one aspect, a corner shroud includes a body that may have a floor portion having a floor rear surface, a floor inner surface, a floor lower surface, and a floor upper surface having a curved portion, a side portion, extending from the floor portion, and having a side outer surface, a side rear surface, a side inner surface, and a side upper surface, a front portion extending between the floor portion and the side portion, the front portion having a front surface, a front inner surface, and a front rear surface, and a top portion extending from the front portion, the top portion having a top upper surface, a top inner surface, a top lower surface, a top rear surface, and a top outer surface. The floor upper surface, the side inner surface, the front rear surface, the top lower surface, and the top inner surface define a recess. | 10-28-2021 |
| 20210332567 | WELDLESS BOSS FOR ATTACHING LIPS TO A WORK IMPLEMENT - A lug member includes a slide platform defining a slide groove that further defines a sliding direction, a first end that is disposed along the sliding direction, and a second end that is disposed along the sliding direction. A spacer engaging projection extends downwardly from the slide platform. | 10-28-2021 |
| 20210332559 | HYDRAULIC CIRCUIT FOR A SWING SYSTEM IN A MACHINE - A hydraulic circuit is disclosed. The hydraulic circuit may include a hydrostatic pump to provide, at a flow rate, a fluid to a hydraulic motor, wherein the hydrostatic pump has a displacement, and wherein the hydraulic motor drives a swinging element; a swing circuit pressure sensor to sense a circuit pressure of the hydraulic circuit; a pilot pressure actuator to control, based on a supply pressure, the displacement of the hydrostatic pump; a pilot pressure override valve to control the supply pressure; and a controller configured to adjust, based on sensed signals and with the pilot pressure override valve, the supply pressure, wherein the sensed signals include: a circuit pressure signal based on the circuit pressure sensed by the swing circuit pressure sensor; and a sensed swing speed signal based on a swing speed of the swinging element sensed by one or more machine sensors. | 10-28-2021 |
| 20210332555 | HYSTAT SWING MOTION ACTUATION, MONITORING, AND CONTROL SYSTEM - A swing motion control system for an earth-moving machine may include a closed loop hydraulic circuit including a hydrostatic swing pump fluidly coupled to at least one hydraulic swing motor configured to control a swing mechanism of the earth-moving machine, a pressure control device configured to control the pressure of fluid supplied to the hydrostatic swing pump for control of the pressure output by the pump, and a controller. The controller may be configured to monitor and process signals received from sensors and operator input, wherein the signals received from the sensors are indicative of machine position and pose, and inertia mass of swing components and a payload being moved by the swing mechanism of the machine, and control at least one of an offset amount for desired pump displacement by the hydrostatic swing pump or an offset amount for pump output pressure from the hydrostatic swing pump based on at least one of an amount of slope on which the machine is operating or the inertia mass of the swing components and payload. | 10-28-2021 |
| 20210331642 | GUARD ASSEMBLY - A guard assembly for a canopy of a machine includes a roof portion defining a first end, a second end, and a first length. The guard assembly includes at least two bracket members fixedly coupled to the roof portion. The at least two bracket members define a plurality of first through-holes and a plurality of second through-holes. Each of the plurality of first and second through-holes aligns with a corresponding aperture of the plurality of apertures in the frame member to receive a mechanical fastener therethrough. The guard assembly also includes at least two first support structures spaced apart along a first length defined by the roof portion. The guard assembly further includes at least one second support structure extending along the first length defined by the roof portion. | 10-28-2021 |
| 20210331097 | FILTER ELEMENT INTEGRATED SEAL PROFILE - An integrated seal member includes an at least partially annular body defining a longitudinal axis, a radial direction, and a circumferential direction. The at least partially annular body includes a mounting portion, a sealing portion including at least one top sealing feature and at least one bottom sealing feature, and an apertured connecting portion that extends radially outwardly from the mounting portion to the sealing portion. | 10-28-2021 |
| 20210325899 | SYSTEMS AND METHODS FOR CONTROLLING A DISCHARGE RATE OF A HAULING MACHINE - A system includes one or more processors configured to determine a discharge rate associated with discharging material from a hauling machine. In some examples, the system receives sensor data associated with a crushing machine configured to receive the material. Based on the sensor data, the system determines the discharge rate, to optimize the efficiency of the crushing machine. In some examples, the system determines the discharge rate based on input by an operator via a user interface. In some examples, the system determines an angular rate at which to raise a bed of the hauling machine to cause the material to be discharged at the discharge rate. Based on a determination to discharge material, the system causes the bed to be raised at the angular rate to discharge material. In some examples, the system may update the discharge rate based on additional sensor data and/or an additional operator input. | 10-21-2021 |
| 20210324821 | FUEL SYSTEM HAVING PUMPING AND FILTRATION FUEL MODULE AND FLOW HOUSING FOR SAME - A fuel module for pumping and filtration of a fuel in a fuel system includes a flow housing, and each of an electrically powered pump, a first cartridge filter, and a second cartridge filter in sealed, direct engagement with the flow housing. The fuel module is applied in a low pressure fuel circuit feeding fuel to a high pressure fuel circuit for pressurization to an injection pressure. Electronic closed loop control techniques for the pump are also disclosed. | 10-21-2021 |
| 20210324786 | MACHINE SYSTEM HAVING COOLER WITH PACK SEAL AND HEADER ASSEMBLY FOR SAME - A machine system includes a compressor, and a cooler having an inlet tank to receive compressed air from the compressor, and a header assembly attached to the inlet tank and including a plurality of cooling tubes supported in the header and each having an external heat exchange surface exposed to a flow of cooling air. The cooler further includes a plurality of graphite pack seals each extending peripherally around one of the cooling tubes, and a clamping assembly clamping the pack seals against the header to squeeze the pack seals into sealing contact with the cooling tubes and the header. | 10-21-2021 |
| 20210324783 | IGNITOR FOR NATURAL GAS ENGINE - In one aspect, an engine ignition apparatus for a natural gas engine may include a housing including a drive piston, a floating piston, a controllable hydraulic fluid chamber located between the drive piston and the floating piston, and an ignition chamber acted on by the floating piston, the ignition chamber having an outlet formed by a plurality of orifices, the outlet being in direct communication with a combustion chamber of the engine. In another aspect, an engine ignition apparatus for a natural gas engine may include, among other features, a controllable valve connected to a hydraulic fluid chamber, and configured to open and release a hydraulic fluid from the hydraulic fluid chamber, and to close. In still another aspect, a method for controlling an engine ignition apparatus for an engine includes, among other features, controlling a volume of a hydraulic fluid chamber of an ignition apparatus. | 10-21-2021 |
| 20210324782 | ENGINE AND FAN SYSTEM HAVING AN ELECTRIC MOTOR - A system includes an engine having a crankshaft and an electric motor having a shaft, the shaft including a first end and a second end. The system further includes a power source in electrical communication with the electric motor, the power source configured to provide electrical power to the electric motor, a reduction drive coupled to the crankshaft and to the first end of the shaft of the electric motor, and a fan coupled to the second end of the shaft of the electric motor, wherein rotation of the shaft of the electric motor drives rotation of the fan. | 10-21-2021 |
| 20210324780 | EXHAUST SYSTEM HAVING PRESSURE SENSING SYSTEM WITH PLUGGING-MITIGATION CONDUIT FORMING ALWAYS-OPEN LEAKAGE PATH - An exhaust system includes an exhaust pressure sensing system having sensor conduits structured to fluidly connect to an exhaust conduit in an exhaust system and feed exhaust to a differential pressure sensor. The differential pressure sensor produces a pressure signal indicative of a pressure drop across an exhaust aftertreatment element such as an exhaust filter. A plugging-mitigation conduit provides an always-open leakage path to convey condensate in a stream of leaked exhaust between the sensor conduits to prevent formation of deposits that can impact pressure sensing accuracy. | 10-21-2021 |
| 20210324611 | BUCKET TOOTH MONITORING SYSTEM - According to some implementations, a magnetic sensor may include a communication device; a magnetic switch; and a controller configured to: determine whether the magnetic switch is actuated by a magnet associated with the bucket tooth; generate, based on determining whether the magnetic switch is actuated, a message concerning an attachment status of the bucket tooth; and cause the communication device to wirelessly transmit the message. | 10-21-2021 |
| 20210318713 | MACHINE JOYSTICK WITH ERGONOMIC FEATURES - An input device for performing control functions of a machine having a work tool may include a left-hand joystick mounted on a left armrest of an operator's seat, and a right-hand joystick mounted on a right armrest of an operator's seat. Each of the left-hand and right-hand joysticks may include a base portion configured to conform to and least partially cradle an operator's hand, a handle extending from the base portion with a proximal end of the handle being connected to the base portion, and a distal end of the handle supporting a head portion of the joystick. The head portion of the joystick may include a front surface including a configurable face plate. The configurable face plate may include one of a pair of upshift and downshift buttons or a roller configured to perform one of discrete or continuously variable shifting, respectively, of a transmission of the machine. The handle may include a thumb rest area at the distal end of the handle transitioning into the head portion of the joystick. | 10-14-2021 |
| 20210318712 | MACHINE JOYSTICK WITH COMFORT AND ACCESSIBILITY FEATURES - A joystick for performing control functions of a machine having a work tool may include a base portion configured to at least partially support an operator's hand, and a handle extending from the base portion. The base portion may be configured for connection to a control interface surface in a machine cabin or on a remote control console or a remote operator's station for the machine. The handle may extend from the base portion with a proximal end of the handle being connected to the base portion, and a distal end of the handle supporting a head portion of the joystick. The head portion of the joystick may include a back surface that is contiguous with a back surface of the handle, and a front surface including a face plate tilted at an angle of 10 degrees plus or minus 5 degrees in a direction toward a position of the operator sitting in an operator's seat of the machine with respect to a plane parallel to the back surface. | 10-14-2021 |
| 20210318160 | PAYLOAD MEASUREMENT SYSTEM FOR MACHINE WITH HAULING BODY - A payload measurement system can be used to measure the payload added to a machine supported on a plurality of walking beams. A plurality of load cell sensors is mounted to the walking beams in locations where, when the walking beam bends, the sensors are placed under load. The load cell sensors include a symmetrical strain bar having first and second mounting ends connected by a connecting span, wherein the end thickness is greater than the span thickness of the connecting span. The connecting span is disposed between and spaced apart from an upper plane and a lower plane with which the surfaces of the mounting ends are aligned. | 10-14-2021 |
| 20210317864 | BOLT RETAINER CLIP TO MAINTAIN A BOLT WITHIN A CONFIGURED RECEIVING ELEMENT OF A COMPONENT - A bolt retainer clip, to maintain a bolt within a bolt receiving element of a component, may comprise a component clip that is configured to: be inserted within the bolt receiving element of the component, and clip onto a first surface of the component and a second surface of the component that is also a surface of the bolt receiving element. The bolt retainer clip may comprise a bolt engaging element that is configured to engage with the bolt. | 10-14-2021 |
| 20210317741 | CARBIDE CUTTER BIT WITH RIBBED SIDES AND CONICAL TIP - A cutter bit for a work tool on a machine includes a leading end, conical-shaped tip portion, a rearward, frustoconical-shaped tip portion extending axially rearwardly from the leading end, conical-shaped tip portion, an annular ledge extending radially outwardly from a trailing edge of the rearward, frustoconical-shaped tip portion, a frustoconical-shaped body portion extending axially rearwardly from an outer circumferential edge of the annular ledge, a cylindrical collar portion extending axially rearwardly from a trailing edge of the frustoconical-shaped body portion, and a trailing end, cylindrical-shaped shank portion extending axially rearwardly from the cylindrical collar portion. The cutter bit may also include a plurality of circumferentially-spaced ribs projecting radially outwardly from an outer peripheral surface of at least one of the leading end, conical-shaped tip portion, the rearward, frustoconical-shaped tip portion, or the frustoconical-shaped body portion. | 10-14-2021 |
| 20210317629 | WHEEL GUARD FOR COMPACTOR WHEEL - A wheel guard includes a guard member disposed on a compactor wheel. The guard member has a first side having a first portion and a second portion. The second portion is offset from the first portion such that to define a first stepped recess therein. The guard member has a second side disposed opposite to the first side. The first portion has a first cross-sectional thickness and the second portion has a second cross-sectional thickness such that the second cross-sectional thickness is lesser than the first cross-sectional thickness. The guard member has a first top surface defined by the first portion, and a second top surface defined by the second portion and partially by the first portion. The second top surface is offset from the first top surface such that to define a second stepped recess therein. The wheel guard includes a base plate and a wear pad coupled thereto. | 10-14-2021 |
| 20210316731 | DIRECTIONAL SHIFT CONTROL IN VEHICLES - The present disclosure relates to a method of controlling gear selection in a transmission of a vehicle in response to a directional shift requested by an operator and to a control system for controlling gear selection to manage directional shifts in vehicles, from a first direct to a second direction (e.g. forward to reverse). The method compares the current transmission output speed with a predetermined direction shift threshold transmission output speed. If the current transmission output speed is less than or equal to the predetermined direction shift threshold transmission output speed, the transmission is caused to execute a direction shift from the initial first direction gear to the same second direction gear, or a next highest second direction gear if there is no second direction gear which corresponds to the initial first direction gear. If the current transmission output speed is greater than the predetermined direction shift threshold transmission output speed, the direction shift is inhibited until the current transmission output speed slows to less than or equal to the predetermined direction shift threshold transmission output speed. | 10-14-2021 |
| 20210314528 | ENHANCED VISIBILITY SYSTEM FOR WORK MACHINES - An enhanced visibility system for a work machine includes an image capture device, a sensor, one or more control circuits, and a display. The image capture device is configured to obtain image data of an area surrounding the work machine. The sensor is configured to obtain data regarding physical properties of the area surrounding the work machine. The control circuits are configured to receive the image data and the data regarding the physical properties, and augment the image data with the data regarding the physical properties to generate augmented image data. The display is configured to display the augmented image data to provide an enhanced view of the area surrounding the work machine. | 10-07-2021 |
| 20210311584 | METHOD AND CONTROL UNIT FOR GENERATING A CONTROL COMMAND TO AT LEAST ONE ACTUATOR OF AN ELECTROHYDRAULIC MACHINE - The present invention refers to a method for generating a control command to at least one actuator of an electrohydraulic machine, comprising a step of receiving and monitoring an input signal provided by a user interface, a step of determining if the monitored input signal is related to a user-induced input or a non-user-induced input, and a step of generating the control command upon processing the input signal in dependence on whether the input signal is a user-induced input or a non-user-induced input. | 10-07-2021 |
| 20210311122 | System and Method for Detecting Winding Faults in a Generator - A detection system for detecting winding faults, such as inter-turn winding faults in the stator and/or rotor of an electrical generator utilizes one or more vibration sensors that can be located on a generator housing. The vibration sensors make mechanical vibration measurements and transmit them to a fault analyzer. The fault analyzer can compare the measured vibrations with a threshold to determine if a winding is occurring. In an embodiment, the fault analyzer can convert the mechanical vibration measurements from the time domain to a frequency domain to facilitate analysis. | 10-07-2021 |
| 20210310438 | PISTON GEOMETRY FOR REDUCED SMOKE AND CYLINDER HEAD COMPONENT TEMPERATURES - The piston has a contoured combustion bowl with a radially inner shelf portion that is spaced axially away from the radially outer lip portion a first axial distance, and a swirl pocket that extends radially from the radially inner shelf portion and defines a lower axial extremity that is spaced axially away from the radially outer lip portion a second axial distance that is greater than the first axial distance. The swirl pocket defines a tangent extending in the radially outer direction, forming an acute angle with the radially outer lip portion ranging from 70 degrees to 80 degrees. | 10-07-2021 |
| 20210308606 | SENSING SYSTEM FOR DETECTING MACHINE FLUID DEGRADATION - A sensing system for detecting degradation of a machine fluid is disclosed. The sensing system may comprise a tag having electrical contacts. The tag may be configured to transmit a wireless signal when the electrical contacts are in electrical communication. The sensing system may further comprise a dissolvable element separating the electrical contacts and obstructing electrical communication between the electrical contacts. The dissolvable element may be configured to dissolve and allow electrical communication between the electrical contacts when an acid content of the machine fluid reaches a level indicative of the degradation of the machine fluid. | 10-07-2021 |
| 20210184543 | Lubrication system for an electric motor - A lubrication system is disclosed. The lubrication system may include a mounting case, a tube internal to the mounting case that is configured to carry oil, and an electric motor. The electric motor may include a motor housing, a mounting flange extending radially from the motor housing, and an oil passageway in the mounting flange. The mounting flange may be mounted to the mounting case to provide a fluid connection between the oil passageway and the tube. | 06-17-2021 |
| 20210182758 | Data System and Method for Quarry and Mining Operations - A computer implemented system and method for quarry and mining operation is configured to coordinate operation of a plurality of departing and arriving road trucks and loading machines. The road trucks may arrive and depart at a scale housing having a scale for weighing the trucks. The scale housing may be associated with a front end system that can communicate arrival and departure data with a backend system. The backend system can receive customer order data and generate job orders for the loading machines. The backend system can also associate the job orders with the arrival data upon arrival of the road truck. | 06-17-2021 |
| 20210182753 | WORK ORDER INTEGRATION SYSTEM - A work machine control device including a memory and a processor is disclosed. The processor may be configured to receive work order data associated with a haul machine. The work order data may identify the haul machine, a material requested for the haul machine, an amount of the material requested for the haul machine, and/or a work machine associated with the material. The processor may be configured to set an operating parameter of the work machine to perform an operation according to the work order data, and receive payload data associated with a payload of the work machine. The payload data may relate to a weight of the payload, a volume of the payload, and/or an operating state of the work machine. The processor may be configured to determine productivity data associated with the operation, and cause an action to be performed in connection with the productivity data. | 06-17-2021 |
| 20210181061 | SYSTEM AND METHOD FOR ESTIMATING RING-RELATED PARAMETERS - A method for estimating at least one ring-related parameter related to at least one piston ring may include estimating a bore distortion of a cylinder bore. The bore distortion may include a plurality of bore distortions corresponding to a plurality of respective piston locations within the cylinder bore. The method may also include receiving the bore distortion in a ring performance model configured to dynamically estimate a plurality of ring-related parameters associated with combustion in the cylinder bore during operation of the internal combustion engine. The ring performance model may be configured to receive a static data signal indicative of static parameters and a dynamic data signal indicative of dynamic parameters related to operation of the internal combustion engine. The ring performance model may be configured to estimate at least one ring-related parameter related to at least one piston ring during operation of the internal combustion engine. | 06-17-2021 |
| 20210180750 | Axle Assembly Drain Plug Guard For Landfill Compactor - The present disclosure is an axle assembly for a landfill compactor. The axle assembly may comprise an axle housing, a carrier housing located proximate the center of the axle housing, a drain plug located on an underside of the carrier housing, and a guard attached to the underside of the carrier housing with adhesive such that the guard covers the drain plug, the guard being configured to protect and give access to the drain. | 06-17-2021 |
| 20210180638 | WING NUT - A wing nut includes a body having a sidewall that surrounds a central opening. The central opening is threaded along a threaded portion having a threaded length extending from the back end towards the front end of the body. At least two wings are integrated with the sidewall and extend away from the sidewall in a radial direction relative to the centerline. A rib extend peripherally around the sidewall in a radially outward direction such that a wall thickness of the sidewall increases to a maximum value moving along the centerline away from the rear end, and decreases along the centerline moving towards the front end from the maximum value. | 06-17-2021 |
| 20210180540 | PISTON FOR INTERNAL COMBUSTION ENGINE HAVING VALVE POCKET STEP FOR SLOWING COMBUSTION GAS FLOW - A piston for an internal combustion engine includes a plurality of valve pockets formed in a piston rim, the valve pockets forming fluid flow paths through the piston rim. Each of the valve pockets includes a central step standing proud of a pocket floor to limit a fluid flow area through the pocket and slow combustion gas flow from a combustion bowl toward a cylinder liner and thereby reduce displacement of an engine oil film thereon. | 06-17-2021 |
| 20210180532 | SYSTEMS AND METHODS FOR PREDICTING ENGINE FUEL FILTRATION SYSTEM SERVICE CYCLE - A method for predicating a service life of a fuel filter includes causing a fuel pump of a fuel system to direct fuel through a fuel filter of a fuel system. The method also includes receiving work cycle data from machines that implement a same or similar fuel system. The method further includes receiving, via sensors of the fuel system, fuel system data and determining, from the fuel system data, a pressure difference across the fuel filter. The method further includes determining, based on the work cycle data, predicted load cycle data for the fuel system and determining, via a filter life model, a filter service interval representing an amount of time the fuel filter is operable in the fuel system prior to the pressure difference reaching a predetermined value. | 06-17-2021 |
| 20210180494 | Aftertreatment System and Method - A system for the treatment of exhaust gases from an internal combustion engine with a combustion chamber includes an upstream DEF injector disposed to introduce DEF to the combustion chamber and a close-coupled SCR catalyst downstream of and in close-coupled relation to the internal combustion engine. Downstream of the close-coupled SCR catalyst may be a primary SCR catalyst and a primary DEF injector. The system may operate to reduce NO | 06-17-2021 |
| 20210180480 | ENGINE VALVE WITH RAISED RING OR DIMPLE - An engine valve includes a stem, a head comprising an outer lip surface, a seating surface extending from the outer lip surface toward the stem, and a combustion surface extending from the outer lip surface on the opposite side of the head as compared to the seating surface. The combustion surface includes a first convex arcuate surface spaced away from the outer lip surface, at least partially forming a raised ring, and a first concave arcuate surface spaced away from the outer lip surface, at least partially forming a dimple. | 06-17-2021 |
| 20210180478 | ENGINE HEAD ASSEMBLY WITH VALVE SEAT INSERT WITH STIFFNESS RELIEF CUTOUT - An engine head assembly includes a valve seat insert having a valve seating surface defining a center axis, and each of an inner peripheral surface and an outer peripheral surface extending circumferentially around the valve seat center axis. The outer peripheral surface includes an upper section interference-fitted with the engine head, and a lower section. A stiffness relief channel is formed by a relief cutout in the valve seat insert, and extends radially between the lower section of the outer peripheral surface and the engine head. The stiffness relief channel permits flexing of the valve seat insert to cushion valve seating to prolong engine valve and valve seat insert service life. | 06-17-2021 |
| 20210179212 | TRACK JOINT ASSEMBLY FOR GROUND-ENGAGING TRACK HAVING TRACK PIN WITH ENLARGED CENTER SECTION - A track joint assembly includes a first track chain and a second track chain, and a track pin including a first pin end, a second pin end, and a center section. A track guiding space extends between the first track chain and the second track chain. The center section of the track pin has an enlarged diameter, relative to first and second pin ends, and an outer wear surface exposed to the track guiding space. The outer wear surface may directly contact a rotatable track-engaging element in a ground-engaging track system, such as a sprocket. | 06-17-2021 |
| 20210179211 | TRACK LINK FOR GROUND-ENGAGING TRACK HAVING RAIL PROTRUSION FOR ANTI-SCALLOPING - A ground-engaging track system includes a track having a first track chain and a second track chain, and an idler having pockets formed in an outer idler rim to receive inboard rail protrusions on track links in the first track chain and the second track chain. The inboard rail protrusions project from an inboard link side, and a central pad of an upper rail surface in the track link includes an anti-scalloping bump-out formed on the inboard rail protrusion. | 06-17-2021 |
| 20210179210 | GROUND-ENGAGING TRACK SYSTEM AND POCKETED IDLER FOR SAME - A ground-engaging track system includes a track having a first track chain and a second track chain, and an idler having pockets formed in an outer idler rim to receive inboard rail protrusions on track links in the first track chain and the second track chain. The inboard rail protrusions project from an inboard link side, and a central pad of an upper rail surface in the track link includes an anti-scalloping bump-out formed on the inboard rail protrusion. | 06-17-2021 |
| 20210179170 | MOTOR DRIVE ASSEMBLY FOR A DUAL PATH ELECTRIC POWERTRAIN OF A MACHINE - A motor drive assembly for a dual path electric powertrain of a machine is disclosed. The motor drive assembly may include a final drive assembly to engage a ground engaging element of the machine. The motor drive assembly may include an electric motor to provide torque to the final drive assembly. The motor drive assembly may include a planetary gear assembly mechanically coupled to a rotor shaft of the electric motor and an axle of the final drive assembly. The motor drive assembly may include a brake assembly to engage a component of the planetary gear assembly to retard the rotor shaft and the axle. | 06-17-2021 |
| 20210179071 | Control of an engine for a machine with a dual path powetrain - An electronic control unit to control an engine control module of an engine is disclosed. The electronic control unit may receive a machine input associated with the engine. The electronic control unit may select, based on the machine input, a lug mapping from a plurality of lug mappings for controlling a load of the engine. The electronic control unit may control, using the lug mapping, power output of the engine and power to a propulsion module of the machine to satisfy a drawbar power/torque threshold and steering power torque threshold associated with the machine. | 06-17-2021 |
| 20210178813 | MODULAR DRIVE SYSTEM FOR A MACHINE - A modular drive system is disclosed. The modular drive system may include a motor assembly that includes a motor housing with a motor subassembly bolt pattern. The modular drive system may include a brake assembly that includes a brake housing with a brake subassembly bolt pattern. The modular drive system may include a final drive assembly that includes a final drive flange with a final drive subassembly bolt pattern. | 06-17-2021 |
| 20210034058 | WORKSITE PLAN EXECUTION - A method includes receiving a worksite plan to be executed by at least one machine at a worksite from a computing device of a supervising entity, the controller being located at a non-line-of-sight (NLOS) location with respect to the worksite. The worksite plan may include a boundary of the worksite at which the worksite plan is implemented, at least one task defining the worksite plan, and a selection of at least one machine to perform the task. The method may include receiving a validation signal from a device located at the worksite, the validation indicating that the worksite is ready for implementation of the worksite plan based on at least one parameter of worksite readiness. The method may include selecting a first mode of operation of the machine to perform the task and transmitting first instructions to the machine to perform the task based on the first mode of operation. | 02-04-2021 |
| 20210033388 | METHOD AND SYSTEM FOR ASSEMBLING COMPONENTS TO STRUCTURES - A method for assembling a component to a structure includes determining, by a controller, a location on the structure for a placement of the component onto the structure. The method further includes activating, by the controller, a light source to project a visual indicator onto the location. The method also includes actuating, by the controller, a robotic implement to locate and position the component at the location based on the visual indicator projected onto the location. | 02-04-2021 |
| 20210032840 | HYDRAULIC SYSTEM FOR A MOTOR GRADER - A hydraulic system for a motor grader is disclosed. The hydraulic system may include a first hydraulic subsystem and a second hydraulic subsystem. A pump may be configured to provide pressurized fluid to the first and second hydraulic subsystems. The hydraulic system may further include a control valve located upstream of the first and second hydraulic subsystems. The control valve may be configured to vary a standby pressure of pressurized fluid for use by the first and second hydraulic subsystems. | 02-04-2021 |
| 20210010415 | VARIABLE SPEED DRIVE FOR AN ACCESSORY DRIVE IN A HYBRID POWER SYSTEM - A variable drive system to drive an accessory drive of a machine is disclosed. The variable drive system may include a first variable pulley to be mechanically coupled to the accessory drive and an engine output of an engine. The variable drive system may include a second variable pulley to be mechanically coupled to a flywheel. The variable drive system may include a drive element to rotate, according to a clutch system, about the first variable pulley and the second variable pulley to at least one of: drive the second variable pulley to charge the flywheel with kinetic energy or drive the first variable pulley via kinetic energy from the flywheel. | 01-14-2021 |
| 20210010411 | METHOD FOR SEQUENTIAL TURBO CONTROL - A method for controlling and engine system with a plurality of turbochargers. At least one of the plurality of turbochargers has a turbine valve, a compressor valve, and actuators operable to change the position of the turbine valve. The method comprises controlling the actuator based on the presence of a transient event or a steady state event. During a transient event an engine control module can control the actuators to change the turbine valve to opened and closed positions and the turbine valve to a closed position based on the comparison between a corrected mass flow per turbocharger to a mass flow threshold. | 01-14-2021 |
| 20210010406 | Integrated Base Filter for a DEF Manifold - A base filter for a diesel exhaust fluid (DEF) filter of a header assembly in a fluid reservoir is disclosed may include first and second semi-cylindrical holder portions having a semi-cylindrical walls concluding at abutment surfaces that face and engage when the base filter is assembled. The semi-cylindrical holder portions have one or more mounting tabs extending inward from inner surfaces of the semi-cylindrical walls. The header assembly may include a header with a cylindrical header boss having mounting recess defined therein. The mounting tabs may be circumferentially spaced about the semi-cylindrical walls to align with and be inserted into the mounting recesses of the header boss the base filter is assembled on the cylindrical header boss. Fasteners may be inserted through fastener bosses of the semi-cylindrical holder portions and into fastener bores of the header boss to hold the semi-cylindrical holder portions together and on the header. | 01-14-2021 |
| 20210010247 | SHROUD RETENTION SYSTEM FOR A WORK TOOL - A shroud retention system for a work tool is disclosed. The shroud retention system may have an adapter attached to the work tool. The shroud retention system may also have a shroud that slidably engages with the adapter. The shroud may have a retainer slot. Further, the shroud retention system may have a spring assembly disposed in the shroud. The spring assembly may have a block that slidably moves relative to the adapter. The spring assembly may also have a resilient member disposed between the adapter and the block. In addition, the spring assembly may have a retainer disposed in the retainer slot. The retainer may engage with the block. The retainer may have at least one recess disposed on the retainer front face or on the retainer rear face. The recess may extend partway toward the other of the retainer front face or the retainer rear face. | 01-14-2021 |
| 20210010245 | ESTIMATING YAW OF ROTATING BODY USING VELOCITY MEASUREMENTS - A method for estimating a yaw (or heading) of a rotating body of a machine is disclosed. The method may include obtaining measurements related to a velocity of a global navigation satellite system (GNSS) antenna coupled to the rotating body based on a motion state associated with the machine satisfying one or more conditions, calculating a first unit vector of a lever arm from a rotation axis to the GNSS antenna, and calculating a second unit vector orthogonal to the one or more measurements related to the velocity of the GNSS antenna in a direction towards the rotation axis (e.g., based on a velocity of another GNSS antenna coupled to the rotating body and/or a yaw rate measurement obtained by an inertial measurement unit). Accordingly, the yaw of the rotating body may be estimated based on a rotation angle between the first unit vector and the second unit vector. | 01-14-2021 |
| 20210009216 | WINGED SPROCKET SEGMENTS WITH NOTCHES - The sprocket member keeps the sprocket centered within the link box while the notches or cut-outs allow mud, dirt, or other material to move out of the link box formed of the track chain assembly by two track bushings and two track links that form a rectangular shaped perimeter. The spacing provided by the wings of the sprocket member reduce wear on the track links near a track bushing and track link interface such as a press-fit connection by spacing the lugs of the sprocket member away from the interface. | 01-14-2021 |
| 20200408175 | BLUFF BODY COMBUSTION SYSTEM FOR AN INTERNAL COMBUSTION ENGINE - A combustion system for an internal combustion engine includes a cylinder wall; a cylinder head disposed at an end of the cylinder wall, an internal surface of the cylinder wall and the cylinder head defining a combustion chamber; a fuel injector having a discharge nozzle disposed within the combustion chamber and configured to discharge a fuel jet along a fuel jet axis; and a bluff body disposed within the combustion chamber, the fuel jet axis intersecting an exterior surface of the bluff body. The exterior surface defines a first aperture and a second aperture therethrough, and an interior surface of the bluff body defines a first flow passage extending from the first aperture to the second aperture. The first aperture faces away from the fuel jet axis and the second aperture faces away from the fuel injector along the fuel jet axis. | 12-31-2020 |
| 20200406995 | TORQUE RESISTANT SEAL - A torque-resistant dual face seal includes a seal ring having an L-shaped cross-section including an axially-extending flange and a radially-extending flange, the seal ring including an annular seal face and an opposing annular loading surface. The seal ring includes a plurality of deformations formed in a spaced apart arrangement circumferentially around the axially-extending flange. An axial cross-section through the axially-extending flange and intersecting one of the plurality of deformations includes a stepped geometry. The plurality of deformations allows a load ring to squeeze into the plurality of deformations to increase a surface area contact between the seal ring and the load ring. | 12-31-2020 |
| 20200293628 | LINER POLISH ANALYSIS PLATFORM - A polish analysis platform is disclosed. The polish analysis platform may receive a set of parameters for a proposed engine. The set of parameters may include: a quantity of hours of operation for the proposed engine, and a power output for the proposed engine. The polish analysis platform may determine an end of injection for the proposed engine based on the set of parameters. The polish analysis platform may generate a virtual instance of the proposed engine. The virtual instance may be configured with the end of injection. The polish analysis platform may simulate operation of the proposed engine using the virtual instance. Output of simulating the operation of the proposed engine may include a liner polish of a liner. The polish analysis platform may perform one or more manufacturing-related actions regarding the proposed engine based on the output of simulating the operation of the proposed engine. | 09-17-2020 |
| 20200292408 | DEVICE FOR DETECTING AN OIL LEAK - A portable oil leak detection system having an oil sensor mountable to an engine and configured to detect the presence of oil and a processor positioned within a portable housing. The processor is configured to receive a signal indicative of the oil sensor detecting oil, record a timestamp in response to receiving the signal indicative of the oil sensor detecting oil, and activate an alert indicating that the oil sensor has detected oil. | 09-17-2020 |
| 20200291915 | SYSTEM AND METHOD FOR ENGINE IGNITION COIL IDENTIFICATION - An ignition system for an internal combustion engine includes an ignition coil forming a part of a primary circuit and a secondary circuit, a power source to supply power to the ignition coil, and a controller to determine whether the ignition coil is a recognized ignition coil based on a measured risetime and a measured current level in the primary circuit, the measured current level being lower than that required to create a breakdown voltage of the ignition coil. | 09-17-2020 |
| 20200291875 | COMBUSTION CONTROL SYSTEM AND METHOD FOR SWITCHING BETWEEN SPARK AND PILOT-IGNITED OPERATING MODES IN DUAL FUEL ENGINE - A method of controlling a dual fuel engine system includes adjusting a phasing control parameter such as air-fuel ratio (AFR), based on a phasing signal to limit an error in a phasing of combustion of gaseous fuel. The cylinder is switched to a dual fuel liquid pilot-ignited mode by commanding direct injection of an early pilot shot of liquid fuel, based on the adjustment to the phasing control parameter, and production of a spark to ignite gaseous fuel in the cylinder. Switching the cylinder to the dual fuel liquid pilot-ignited mode is completed by commanding direct injection of an early pilot shot and a second pilot shot of liquid fuel to ignite gaseous fuel in response to combustion of the early and second pilot shots in the cylinder. | 09-17-2020 |
| 20200291827 | VALVE SEAT INSERT FOR ENGINE HEAD HAVING VENTURI FLOW CROWNS AND SEATING SURFACE PROFILED FOR LIMITING VALVE RECESSION - A valve seat insert for a gas exchange valve such as an intake valve controlling gas exchange of a cylinder includes an insert body having an inner peripheral surface, an outer peripheral surface, and a valve seating surface structured to contact the gas exchange valve at a closed position and profiled to limit valve recession thereof. The valve seating surface includes an arrangement of linear segments and curved segments forming wear crowns to contact the gas exchange valve at different wear states. The valve seat insert is further structured by way of the inner peripheral surface with an incoming flow crown, and a venturi extending from the incoming flow crown toward a throat of the valve seat insert. The venturi accelerates incoming gas flow. | 09-17-2020 |
| 20200291611 | MODULAR MANIFOLD HAVING AT LEAST TWO CONTROL MODULES FOR CONTROLLING OPERATION OF AT LEAST TWO HYDRAULIC ACTUATORS OF AN EARTHMOVING MACHINE - A control module for controlling an operation of a hydraulic actuator that is associated with an earthmoving machine includes a body. The body has a spool chamber and a load sensing passageway associated with the spool chamber. The body also has a spool positioned axially, and at least partially, within the spool chamber. The spool is spring-biased by an end cap located at a first end of the body. The body also has a pair of electrohydraulic spool actuators that are located at a second end of the body and. operable to axially displace the spool within the spool chamber. The pair of spool actuators are positioned in parallel and disposed adjacent to one another. The body also has an inlet chamber disposed parallel to the spool chamber and in selective fluid communication with the spool chamber via a spool supply passageway. | 09-17-2020 |
| 20200291609 | CONTROL SYSTEM FOR A WORK MACHINE - A control system is disclosed. The control system may include a first input component to control a lean angle of at least one set of wheels of a machine and to provide a visual and/or tactile indication of the lean angle. The control system may include a second input component to control an articulation angle of an articulated joint of the machine and to provide a visual and/or tactile indication of the articulation angle. The control system may include a third input component to control a rotation angle of an implement of the machine and to provide a visual and/or tactile indication of the rotation angle. | 09-17-2020 |
| 20200290637 | METHOD AND SYSTEM FOR PROVIDING OBJECT DETECTION WARNING - A method of providing object detection warning to an operator of a machine is provided. The machine includes object detection modules, a display unit and a controller communicably coupled to the object detection modules and the display unit. The method detects at least one object being located within a predefined distance range from the machine and determines a distance and position of the detected at least one object relative to the machine. The method further displays a threat warning widget on the display unit. The widget includes a plurality of threat level indicators, each of the threat level indicators being representative of a warning level as a function of distance and position of the object relative to the machine. Furthermore, the method activates at least one threat level indicator based on the determined distance and position of the detected at least one object relative to the machine. | 09-17-2020 |
| 20200290617 | BRAKE SYSTEM FOR AN ARTICULATED VEHICLE - A brake system for an articulated vehicle is disclosed. The brake system includes a brake assembly coupled to a traction device, the brake assembly being configured to apply a brake-assembly pressure based on one of a hydro-mechanical pressure signal and an electro-mechanical pressure signal. A blocking valve is configured to block the hydro-mechanical pressure signal when closed. A brake controller, is configured to transmit an isolation signal configured to close the blocking valve and transmit an ABS control signal that is based on a commanded ABS brake pressure. | 09-17-2020 |
| 20200290159 | METHOD OF MANUFACTURING STRUCTURAL COMPONENT FOR JOINING WITH ANOTHER STRUCTURAL COMPONENT BY STRESS PROTECTED GROOVE WELD - Method of manufacturing first structural component for or joining with second structural component by groove weld is provided. The first structural component has first surface, second surface and end portion. The component is bent at end portion to form bent portion defining convex and concave faces. First portion of bent portion is removed at convex face in form outer weld surface having first face extending from first surface, and second face connected to first face. Second portion of bent portion is removed at concave face to form inner edge surface having arcuate profile. Inner edge surface extends from second surface and connects to second face via transition portion. A portion of first face, second face, transition portion, and inner edge surface define root protrusion, having a root protrusion height, for first structural component. The root protrusion defines stress protected weld root region isolated beyond and away from root stress flow path. | 09-17-2020 |
| 20200288619 | Width Adjustable Ripper Assembly - A ripper assembly for a machine includes a main ripper unit and at least one auxiliary ripper unit. The main ripper unit is adapted to be coupled to a frame of the machine and is moveable relative to the frame along a height of the machine. The main ripper unit includes a main ripper. The auxiliary ripper unit is pivotably coupled to the main ripper unit, and is pivotable infinitely between a first position and a second position with respect to the main ripper unit. A distance between the main ripper unit and the auxiliary ripper unit, defined laterally in relation to a direction of travel of the machine, varies as the auxiliary ripper unit pivots from the first position to the second position. | 09-17-2020 |
| 20200266633 | Charging System for a Battery Operated Machine - A charging system for a battery-operated machine is disclosed. The charging system includes a charging receptacle having a power connection and a signal connection, with the charging receptacle configured to receive electrical current via the power connection from a power supply plug. The charging system further includes a heat rejection element thermally coupled to the charging receptacle, a temperature sensor, and a charging controller operatively coupled to the temperature sensor and the charging receptacle. The charging controller is configured to receive a temperature signal from the temperature sensor, the temperature signal being indicative of a charging-receptacle temperature. The charging controller is further configured to transmit, via the signal connection to the connected plug, a control signal to adjust (e.g., raise or lower) the electrical current supplied to the power connection. | 08-20-2020 |
| 20200263937 | BUMPER CLIP FOR TUBE TYPE HEAT EXCHANGERS - A heat exchanger assembly includes a frame, a plurality of tubes, and a first bumper clip attaching at least a first tube of the plurality of tubes to the frame. The first tube defines a first exterior dimension and the first bumper clip defines a first tube slot defining a first tube slot dimension that is less than the first exterior dimension of the at least first tube. | 08-20-2020 |
| 20200263681 | AIR COMPRESSOR SYSTEM CONTROL - An air system and method includes an air compressor, a temperature sensors, a valve, and a controller. The air compressor is configured to receive filtered air. The temperature sensor is positioned at or near an outlet of the air compressor and configured to sense a temperature at or near the outlet of the air compressor. The valve is operatively connected to an outlet of the air compressor and external to the air compressor. The controller is configured to monitor the sensed temperature at the outlet of the air compressor and control the valve to permit air to flow from the outlet of the air compressor through the valve to unload the air compressor if the sensed temperature exceeds a threshold temperature. | 08-20-2020 |
| 20200263648 | FUEL INJECTOR ASSEMBLY HAVING EXTERNAL FILTER AND METHOD OF MAKING SAME - A fuel injector assembly includes a fuel injector and an annular filter coupled with the fuel injector, the annular filter being snap-fitted with one of a nozzle case or an injector body of the fuel injector and slip-fitted with the other of the nozzle case or the injector body. The annular filter has a perforated wall forming a filtration screen covering an actuation fluid inlet formed in the nozzle case and positioned upstream of the actuation fluid inlet to trap particulates in incoming actuation fluid. | 08-20-2020 |
| 20200263627 | COMBUSTION PHASING CONTROL FOR HIGH SUBSTITUTION LEAN BURN OF GASEOUS FUELS IN DUAL FUEL ENGINE - A combustion control system for a dual fuel engine includes a combustion control unit structured to receive phasing data for combustion of a main charge of gaseous fuel ignited by way of pilot shots of a liquid fuel, output a pilot fueling command based on the phasing data, and output a valve timing command. The combustion control unit is further structured to vary a phasing of combustion of a main charge of a gaseous fuel ignited by pilot shots of a liquid fuel based on an adjustment to at least one of a pilot shot delivery parameter or a valve timing parameter such as intake valve closing timing from a first engine cycle to a second engine cycle. Control of the intake valve timing can be based on a main pilot shot timing error. | 08-20-2020 |
| 20200263388 | MOUNTING ASSEMBLY - A mounting assembly for a blade of a motor grader is provided. The mounting assembly includes a mounting bracket having a mounting channel. The mounting assembly includes an adjustment block disposed in the mounting channel. The adjustment block includes a mounting groove and at least one slot disposed spaced apart with respect to the mounting groove. The mounting assembly also includes at least one retention plate disposed on the mounting bracket. The at least one retention plate is adapted to engage with the at least one slot provided on the adjustment block. The at least one retention plate is adapted to limit movement of the adjustment block along a longitudinal axis of the adjustment block. The mounting assembly further includes a wear element disposed in the mounting groove provided in the adjustment block. The wear element is adapted to slidably receive a portion of the blade thereon. | 08-20-2020 |
| 20200263387 | CIRCLE DRIVE SYSTEM FOR A GRADING MACHINE - A grading machine includes a machine body, a grading blade supported by a circle, a drawbar connecting the grading blade and the circle to the machine body, and a circle drive system. The circle drive system includes a circle drive motor and a gear box. The gear box is configured to engage with and rotate the circle relative to the drawbar around a circle axis. The circle drive motor includes an axis of rotation that is perpendicular to the circle axis, and the gear box includes an axis of rotation that is parallel to the circle axis. | 08-20-2020 |
| 20200263386 | CROSS-MEMBERS AND PIN COUPLERS FOR LIFT ARMS - A lift arm for a loader can comprise a pivot end section extending along a first axis and including a first pin hole defining an origin at the intersection of x- and y-axes, a bucket end section extending along a second axis and including a second pin hole located a first distance away from the origin on the y-axis, and a hump section connecting the pivot and bucket end sections comprising a lifting cylinder coupler section including a third pin hole located a second distance away from the y-axis and a torque tube coupling section. | 08-20-2020 |
| 20200263384 | SYSTEM AND METHOD FOR AUTOMATED PAYLOAD TARGET TIPOFF - A payload detection system for automated payload tip-off of a loading operation includes a tip-off controller. The tip-off controller is configured to receive a signal of a remaining payload target; receive a signal of a material weight within an implement and a signal of an angle of the implement; and determine a tip-off threshold based on the material weight and the remaining payload target. The tipoff controller initiates a bulk dump sequence if a difference between the material weight and the remaining payload target is greater than the tip-off threshold and initiates a slow dump sequence if the difference is below the tip-off threshold. The bulk dump sequence includes a single implement actuation to induce material spill until the tip-off threshold is met and the material is staged. The slow dump sequence includes a plurality of dump then rack actuations to induce and then prevent material spill until the remaining payload target is met, each dump actuation having an associated dump angle and each successive dump angle is progressively smaller. | 08-20-2020 |
| 20200263383 | APPARATUS FOR FACILITATING PIVOTAL MOVEMENT OF IMPLEMENTS IN MACHINES - An apparatus for facilitating a pivotal movement of an implement relative to an arm of a machine includes a link. The link includes a first end segment, a second end segment, and an intermediate segment extending therebetween. Each of the first end segment and the second end segment includes an eyelet portion, and a stub portion that extends integrally and contiguously from the eyelet portion. The intermediate segment is coupled to the stub portion of the first end segment and to the stub portion of the second end segment. | 08-20-2020 |
| 20200262475 | ALIGNMENT OF STEERING CONTROLLER ANGLE AND MACHINE STEERING ANGLE FOR TRANSITIONING BETWEEN MANUAL AND AUTONOMOUS OPERATING MODES - An electronic control unit (ECU) may receive, from an autonomous vehicle controller, an instruction to set a hydraulic steering actuator, of a vehicle, to a particular machine steering angle setting. The ECU may provide, to a steering controller torque device, a current to set a steering controller, of the vehicle, to a particular steering controller angle that corresponds to the particular machine steering angle setting. The ECU may provide, to a hydraulic control system, a current to set the hydraulic steering actuator to the particular machine steering angle setting. | 08-20-2020 |
| 20200262403 | SYSTEM AND METHOD FOR AUTOMATED MECHANICAL BRAKE TOUCH UP ENHANCEMENT - A work machine with a mechanical brake touch-up system includes a power source that provides power to a rotational element. The work machine includes a brake that is configured with a piston to selectively engage a frictional element rotationally coupled to the rotational element, a position sensor for generating a position signal of the piston, and a control valve configured to supply hydraulic pressure to the piston to selectively apply a retarding torque to the frictional element, a speed sensor for generating a rotational speed signal. The work machine includes a touch-up controller which is configured to detect a retarding condition of the work machine based on the speed signal, and, upon detection of a retarding condition, control the position of the piston to a touch-up position between an engaged and retracted position. | 08-20-2020 |
| 20200118741 | INDUCTION COIL ASSEMBLY AND METHOD FOR MANUFACTURING SAME - An induction coil assembly includes an annular member extending from a first end to a second end, and extending about a longitudinal axis; a first leg extending from the first end of the annular member, and including a first electrical connection portion and a first axial portion; and a second leg extending from the second end of the annular member, and including a second electrical connection portion and a second axial portion. An internal surface of the annular member defines a first fluid passage through the annular member. An internal surface of the first leg defines a second fluid passage through the first leg. An internal surface of the second leg defines a third fluid passage through the second leg. The second fluid passage is in fluid communication with the third fluid passage via the first fluid passage. | 04-16-2020 |
| 20200116261 | FACE SEAL ASSEMBLY FOR MACHINE SYSTEM HAVING METALLIC SEALING RING WITH STIFFNESS RELIEF GROOVE TO COMPENSATE FOR OUT-OF-PLANE SEALING FACE - A face seal assembly includes a first and a second metallic sealing ring having a common center axis, and each including an outer ring surface and an inner ring surface. A non-metallic sealing element is positioned upon the outer ring surface. The metallic sealing ring also includes a sealing face facing an axially outward direction and extending circumferentially around the center axis in a path that varies from parallelism with a plane normal to the center axis. A stiffness relief groove extends inwardly from the inner ring surface and circumferentially around the center axis and forms an annular spring zone of reduced material thickness to compensate for the varying of the path of the sealing face. One machine system application includes a final drive in a ground-engaging machine. | 04-16-2020 |
| 20200116260 | SHAFT SEAL ASSEMBLY - A shaft seal assembly for a rotating shaft assembly includes a shaft seal and a bore insert that encircles a shaft. The bore insert can fill a bore space disposed between an oil sealing assembly and a housing of the rotating shaft assembly. The shaft seal includes a shaft seal arm that can contact the bore insert and provide a seal. | 04-16-2020 |
| 20200116103 | PISTON DESIGN FOR SPLITTING JETS INTO STREAMS - A component of a piston may include a crown portion configured to face a flame deck surface disposed at one end of a cylinder bore in which the piston is configured to reciprocate, such that a combustion chamber is defined within the cylinder bore and between a top surface of the crown portion and the flame deck surface. The component may include an indent formed in the top surface. The indent may be aligned with a fuel jet centerline along which a fuel jet is to be injected into the combustion chamber. The indent may include a first arcuate indent portion, that curves in a first direction from a center of the crown portion, and a second arcuate indent portion that curves in a second direction from a break in a reentrant feature that overhangs the first arcuate indent portion. The component may be included in an internal combustion engine. | 04-16-2020 |
| 20200116074 | PRE-CHAMBER IGNITION SYSTEM HAVING IGNITER WITH GAS ORIFICE STRUCTURED FOR PRE-EXPANDING OUTGOING COMBUSTION GASES - An ignition system for a gaseous fuel engine includes an igniter and an actuator structured to apply an actuating force to a piston within the igniter, to autoignite an ignition charge of fuel and air within the igniter. A housing of the igniter includes a gas orifice having a flow area that is increased between a combustion pre-chamber in the igniter and a main combustion chamber in the engine, to limit velocity of outgoing combustion gases to below a threshold velocity for engine mis-fire. | 04-16-2020 |
| 20200116067 | SYSTEM AND METHOD FOR DETERMINING ACCUMULATION OF SILICONE DIOXIDE (SIO2) IN AN AFTERTREATMENT SYSTEM - A system for determining accumulation of Silicone dioxide (SiO | 04-16-2020 |
| 20200115873 | WIREGUARD HAVING INTEGRATED CLEATS - A wireguard subassembly includes a first circumferential segment defining a circumferential direction, a first near end, a first far end, and a first cleat portion disposed circumferentially between the first near end and the first far end; and a second circumferential segment defining a second near end, a second far end, and a second cleat portion disposed circumferentially between the second near end and the second far end. The second cleat portion is circumferentially aligned with the first cleat portion. | 04-16-2020 |
| 20200115872 | MODULAR STEEL WIREGUARD WITH GUSSETS - A wireguard subassembly includes a first circumferential segment defining a proximate end including a ledge at least partially defining a notch; a second circumferential segment defining a distal end disposed adjacent the proximate end of the first circumferential segment; and a gusset member including a tab at least partially disposed in the notch on top of the ledge. | 04-16-2020 |
| 20200114992 | TENSION ADJUSTMENT SYSTEM - A tension adjustment system is disclosed. The tension adjustment system may obtain a pressure measurement associated with a tensioning cylinder of a machine; determine a pressure setting associated with the tensioning cylinder; and cause a relief valve and a lubricant pump to enable lubricant, from a lubricant reservoir of the machine, to be added to the tensioning cylinder based on the pressure measurement and the pressure setting, or cause the relief valve and the lubricant pump to enable lubricant in the tensioning cylinder to be released from the tensioning cylinder based on the pressure measurement and the pressure setting. | 04-16-2020 |
| 20200114478 | Repair of Cast Iron Bore Inner Diameter Surfaces - A method for repairing a worn portion in an inner diameter surface of a bore of a cast iron part is disclosed. The inner diameter surface of the bore may have an original surface geometry prior to wear. The method may comprise forming a crescent-shaped pocket in the inner diameter surface of the bore to remove the worn portion, installing an insert in the crescent-shaped pocket, and post-machining the insert to form a crescent-shaped insert that is flush with the original surface geometry of the bore inner surface diameter. | 04-16-2020 |
| 20200088146 | FUEL INJECTOR HAVING CAM-ACTUATED PLUNGER AND PLUNGER CAVITY METERING EDGE FOR VALVETRAIN NOISE SUPPRESSION - A fuel injector includes an injector body, and a plunger movable within a plunger cavity in the injector body. The fuel injector also includes a spill valve positioned at least partially within a main fuel passage, a fill passage forming a fluid connection between the plunger cavity and the main fuel passage, and a cross passage forming a second fluid connection between the plunger cavity and the main fuel passage. The fuel injector also includes a metering edge within the plunger cavity and positioned such that the plunger passes the metering edge during pumping to the plunger for valvetrain noise suppression. A metering slot may be formed in the injector body or the plunger. | 03-19-2020 |
