Patents Assigned to Caterpillar Inc
  • Publication number: 20220163010
    Abstract: A pump health assessment system and a method for providing a pump health of a pump is disclosed. The method includes: determining that there is an imbalance in the pump; increasing pump flow from the pump; measuring a rail pressure of a fuel rail; determining if the rail pressure is substantially equal to an expected rail pressure profile; and in accordance with a determination that the rail pressure is not substantially equal to the rail pressure profile, outputting an indication of pump damage.
    Type: Application
    Filed: November 24, 2020
    Publication date: May 26, 2022
    Applicant: Caterpillar Inc.
    Inventors: Daniel R. Puckett, Bradley S. Bashore
  • Patent number: 11339742
    Abstract: An internal combustion engine includes a one-piece cylinder block casting, a flywheel supported for rotation at a front block end, and a back gear train supported for rotation at a back block end. Cast-in pump inlet and outlet passages are formed in the cylinder block casting and open in a pump mounting face at the back block end. An oil pump is clamped to the pump mounting face and includes a pump inlet and a pump outlet fluidly connected, respectively, to the cast-in pump inlet passage and the cast-in pump outlet passage.
    Type: Grant
    Filed: October 9, 2020
    Date of Patent: May 24, 2022
    Assignee: Caterpillar Inc.
    Inventors: Allen Yao Chen, Thomas Lee Atwell, Jason Lee Van Farowe, Daniel Halvorson, Neil Edward Johnston, Aaron G. Heintz
  • Patent number: 11339737
    Abstract: 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.
    Type: Grant
    Filed: February 2, 2021
    Date of Patent: May 24, 2022
    Assignee: Caterpillar Inc.
    Inventors: Ye Tian, Sravan K. Karri, Michael T. McKinley, Brenton W. Bush
  • Patent number: 11341440
    Abstract: 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.
    Type: Grant
    Filed: December 11, 2019
    Date of Patent: May 24, 2022
    Assignee: Caterpillar Inc.
    Inventors: Aaron R. Shatters, Donald M. Weinhold, Gautham Subramanian, Michael A. Spielman, Jr., Sucheta Chitgopekar
  • Patent number: 11343760
    Abstract: 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.
    Type: Grant
    Filed: June 15, 2020
    Date of Patent: May 24, 2022
    Assignee: Caterpillar Inc.
    Inventor: Michael D. Staub
  • Patent number: 11338848
    Abstract: 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.
    Type: Grant
    Filed: February 20, 2019
    Date of Patent: May 24, 2022
    Assignee: Caterpillar Inc.
    Inventors: Wendell Dean Stahl, Jeremy T. Peterson
  • Patent number: 11339038
    Abstract: A system for controlling a winch assembly having a hydraulic motor, a drum, a cable, and a cable tension sensor. A controller is configured to access a winch load threshold defining a hold zone and a reel zone, and one of the hold zone and the reel zone including loads greater than the winch load threshold and another of the hold zone and the reel zone including loads less than the winch load threshold. The controller is further configured to determine whether the winch assembly is operating within the hold zone or the reel zone, and generate a zero flow command while the winch assembly is operating within the hold zone to prevent rotation of the hydraulic winch motor, and generate a pressure differential command while the rotatable winch drum is operating within the reel zone to permit rotation of the hydraulic winch motor.
    Type: Grant
    Filed: December 12, 2018
    Date of Patent: May 24, 2022
    Assignee: Caterpillar Inc.
    Inventors: Timothy L. Hand, Andrew J. Kieser
  • Publication number: 20220155772
    Abstract: In some implementations, a remote monitoring system may receive historical usage data associated with a plurality of engines that are associated with a plurality of respective machines. The remote monitoring system may train an engine monitoring model to identify a usage profile that indicates potential failure by identifying an operational range of an operating parameter according to an operating profile. The remote monitoring system may receive, from a machine, usage data that includes a measurement of the operating parameter for an engine of the machine, and determine that the engine is configured to operate according to the operating profile. The remote monitoring system may predict, based on determining that the engine is configured to operate according to the operating profile and based on the measurement and the operational range, that the engine is likely to fail within a certain time period.
    Type: Application
    Filed: November 19, 2020
    Publication date: May 19, 2022
    Applicant: Caterpillar Inc.
    Inventors: Sylvain J. CHARBONNEL, Jayant K. ROPLEKAR
  • Publication number: 20220154421
    Abstract: Each of the plurality of center notches and the first and the second end notches of a base edge includes a different configuration including a different end notch depth along the direction of assembly that is greater than a center notch depth along the direction of assembly.
    Type: Application
    Filed: November 18, 2020
    Publication date: May 19, 2022
    Applicant: Caterpillar Inc.
    Inventors: Eric T. Sinn, Douglas C. Serrurier, Rammagy Yoeu
  • Publication number: 20220154432
    Abstract: An adapter cover includes a front face portion that defines a thru-hole configured to allow a nose portion of an adapter to pass horizontally through the thru-hole past the interior surface and then past the exterior surface, and a top single leg extends horizontally from the front face portion. The thru-hole defines a perimeter with a right side edge, a left side edge, a top edge, an upper right corner and an upper left corner, and further defines a bottom open end.
    Type: Application
    Filed: November 18, 2020
    Publication date: May 19, 2022
    Applicant: Caterpillar Inc.
    Inventors: Eric T. Sinn, Douglas C. Serrurier, Rammagy Yoeu
  • Publication number: 20220154614
    Abstract: A system including a pump fluidly connected to a fluid reservoir, the pump configured to direct diesel exhaust fluid (DEF) from the fluid reservoir to an injector fluidly connected to the pump via a flow line. The system also includes a first pressure sensor configured to determine fluid pressure at a first location in the flow line between the pump and the injector and a second pressure sensor configured to determine fluid pressure at a second location in the flow line between the pump and the injector. The system further includes an air source coupled to the injector via an air flow line, the air source configured to direct air to the injector via the air flow line and a controller communicatively coupled to the first pressure sensor, the second pressure sensor, and the air source, the controller configured to diagnose the system.
    Type: Application
    Filed: November 13, 2020
    Publication date: May 19, 2022
    Applicant: Caterpillar Inc.
    Inventors: Steven Paul Byrne, Shivsinh Hitendrasinh Parmar, Hrishi Lalit Shah
  • Publication number: 20220154433
    Abstract: An adapter includes a first leg, a second leg, and a throat portion at least partially define a slot that defines a projection at the closed end of the slot that includes a flat middle portion straddled laterally by a first arcuate portion and a second arcuate portion, defining a lateral middle portion width. A projection protruding distance is measured along the direction of assembly from the closed end of the slot to the flat middle portion. The projection protruding distance ranges from 0.8 to 1.2 multiplied by the lateral middle portion width.
    Type: Application
    Filed: November 18, 2020
    Publication date: May 19, 2022
    Applicant: Caterpillar Inc.
    Inventors: Eric T. Sinn, Douglas C. Serrurier, Rammagy Yoeu
  • Publication number: 20220157098
    Abstract: A controller may obtain data associated with operation of an engine of a machine that comprises a first engine bank associated with a first set of turbochargers and a second engine bank associated with a second set of turbochargers, and may determine, based on the data, that the engine is in an operating state that requires the first and second sets of turbochargers to be operative. The controller may determine, based on the data, a difference in operation of the first engine bank and the second engine bank and identify, based on the data, a turbocharger failure condition associated with a particular set of turbochargers, of the first and second sets of turbochargers. The controller may identify, based on the data, a particular turbocharger, of the particular set of turbochargers, as a failed turbocharger, and may perform one or more actions based on identifying the particular turbocharger.
    Type: Application
    Filed: November 17, 2020
    Publication date: May 19, 2022
    Applicant: Caterpillar Inc.
    Inventors: Deepashri PHATAK, Dereck G. HEFFRON, Joseph Patrick KARASCH
  • Publication number: 20220154673
    Abstract: A fuel system includes a fuel injector having a split check assembly with a control piece, an outlet piece, and a check sleeve. A trapped volume is formed between the control piece and the outlet piece within the check sleeve, to hydraulically couple the control piece to the outlet piece. A starting rate shape clearance fluidly connects the trapped volume to a fuel cavity and is formed between the check sleeve and one of the control piece or outlet piece received therein, and modulates a starting rate shape of fuel injection from the fuel injector. Related methodology is disclosed.
    Type: Application
    Filed: November 17, 2020
    Publication date: May 19, 2022
    Applicant: Caterpillar Inc.
    Inventors: Cory Andrew Brown, Sana Mahmood, Dana Ray Coldren, Glenn Brian Cox, Matthew Robert Vanderveen
  • Patent number: 11332200
    Abstract: A support arrangement for a haul truck comprises a space frame and a dump body operatively positioned on the space frame according to defined contact points. The space frame can include at least one rear support, at least one outer elongate support member, and at least one support rocker configured to pivot laterally about an axis. The dump body can include on a bottom thereof a rear pivot support and at least one flat contact surface, and on a front face thereof at least one vertical support structure. Each rear support of the space frame is configured to be pivotally coupled to the rear pivot support of the dump body. Each vertical support structure of the dump body is configured to be removably seated in a corresponding support rocker. Each flat contact surface is configured to be positioned adjacent to an outer lateral surface of an outer elongate support member.
    Type: Grant
    Filed: October 25, 2019
    Date of Patent: May 17, 2022
    Assignee: Caterpillar Inc.
    Inventors: David W Holthaus, Andres Munoz-Najar
  • Patent number: 11333048
    Abstract: An engine valve actuation system includes a hydro-mechanical valve actuation module having a first hydro-mechanical linkage and a second hydro-mechanical linkage, each within a different housing block of a housing. Each of the first hydro-mechanical linkage and the second hydro-mechanical linkage includes a cam-follower piston in contact with a cam of a camshaft, and a valve-actuation piston hydraulically co-acting with the respective cam-follower piston. The hydro-mechanical valve actuation module may include hydro-mechanical linkages for an intake valve, for an exhaust valve, and for engine braking.
    Type: Grant
    Filed: December 18, 2020
    Date of Patent: May 17, 2022
    Assignee: Caterpillar Inc.
    Inventors: Stephan Donald Roozenboom, Jeffrey Clark Krieger, Michael Dean Roley
  • Patent number: 11333062
    Abstract: A pre-chamber for a fuel injector is disclosed. The pre-chamber includes a cylindrical body member extending axially from a first end portion to a second end portion opposite to the first end portion. The pre-chamber further includes a bottom plate located proximal to the first end portion of the cylindrical body member. The pre-chamber also includes a sacrificial member extending axially outwards from the second end portion of the cylindrical body member.
    Type: Grant
    Filed: July 29, 2019
    Date of Patent: May 17, 2022
    Assignee: Caterpillar Inc.
    Inventors: Curtis J Graham, Daniel Cavanaugh, Kevin P. Reardon
  • Patent number: 11333767
    Abstract: An avoidance modifier system may be configured to modify operation of a collision avoidance system associated with a machine. The avoidance modifier system may include at least one inclination sensor and a modifier system controller configured to be in communication with the collision avoidance system. The modifier system controller may be configured to receive an inclination signal from the inclination sensor and determine an inclination angle at which the machine is operating relative to level operation. The modifier system controller may be configured to determine an adjusted ground plane angle indicative of a virtual ground plane on which the machine is operating, and communicate with the collision avoidance system, such that the collision avoidance system does not activate a braking device of the machine in response to an object sensor generating an object signal indicative of detection of an object between an actual ground plane and the virtual ground plane.
    Type: Grant
    Filed: April 3, 2019
    Date of Patent: May 17, 2022
    Assignee: Caterpillar Inc.
    Inventor: Barry Mei
  • Patent number: 11333249
    Abstract: A ring seal system is disclosed. The ring seal system may include a first ring assembly that includes a first sealing surface. The ring seal system may include a second ring assembly that includes a second sealing surface. The ring seal system may include a plate, between the first ring assembly and the second ring assembly, that includes a first contact surface and a second contact surface. The ring seal system may include a coating on the first contact surface and the second contact surface. The first contact surface may be mechanically connected to the first sealing surface to form a first seal with the first sealing surface. The second contact surface may be mechanically connected to the second sealing surface form a second seal with the second sealing surface.
    Type: Grant
    Filed: December 17, 2018
    Date of Patent: May 17, 2022
    Assignee: Caterpillar Inc.
    Inventors: Benjamin Jones, David Hakes, Jacob Pitman, Thomas Ellmann
  • Patent number: D952697
    Type: Grant
    Filed: May 25, 2021
    Date of Patent: May 24, 2022
    Assignee: Caterpillar Inc.
    Inventors: Nathan Bjerke, Thomas Marshall Congdon