Patents Assigned to Caterpillar Inc
  • Patent number: 11357127
    Abstract: A plenum for processing one or more byproducts output from a generator, and systems and methods thereof, can have the plenum in the form of a hollow elongate rectangular box having a first end and a second end opposite the first end. The plenum can have a frame and a sidewall fixed to the frame, and can be adapted to be oriented vertically when operatively coupled to receive the one or more byproducts from the generator. The sidewall can include an opening adapted to receive heated air from the generator as one of the byproducts from the generator.
    Type: Grant
    Filed: July 16, 2020
    Date of Patent: June 7, 2022
    Assignee: Caterpillar Inc.
    Inventors: Praveen Venugopal, Timothy D. Collins, Andrew Philip McKeown, Nicholas Murray, Joseph W. Brunton, Karl A. Hagen, Damian Grant
  • Patent number: 11352762
    Abstract: A coupler assembly for rotatably coupling a moldboard of a grader machine includes a bracket, a beam, a pin, a retainer, and an apparatus. The bracket is adapted to support the moldboard. The beam extends from a circle member rotatably coupled relative to a drawbar of the grader machine. The pin is adapted to rotatably couple the bracket and the beam to each other. Further, the pin defines an end adapted to extend outwardly from an assembly of the bracket and the beam. The retainer is adapted to be engaged with the end to retain the pin with the assembly of the beam and the bracket. Moreover, the retainer defines at least one end portion extending outwardly from the end. The apparatus is adapted to be mounted around the pin at the end to shield the at least one end portion of the retainer extending outwardly from the end.
    Type: Grant
    Filed: May 8, 2019
    Date of Patent: June 7, 2022
    Assignee: Caterpillar Inc.
    Inventors: Nathan Tissier, Nathaniel Harshman, David Cox
  • Publication number: 20220173367
    Abstract: A battery module for construction of a battery pack includes a battery sealed in a rectangular housing with front and rear open ends closed by front and rear plates, respectively. The rear plate includes a plurality of rear plate bores in axial alignment with a plurality of housing bores proximal the rear open end of the housing. The front plate includes a plurality of front plate bores in axial alignment with a plurality of housing bores proximal the front open end of the housing. The front plate additionally includes positive and negative terminals electrically connected to the battery.
    Type: Application
    Filed: December 1, 2020
    Publication date: June 2, 2022
    Applicant: Caterpillar Inc.
    Inventors: David M. Andrews, Brian R. Bell, Adam R. Rosenberger, David S. Moore
  • Publication number: 20220170240
    Abstract: A system and method for electronically assessing operator performance when operating a working machine adapted to handle or process ground material. The system and method can identify compliance with operating instructions for operating the working machine and/or can uniquely characterize functions of the working machine based on external factors.
    Type: Application
    Filed: November 27, 2020
    Publication date: June 2, 2022
    Applicant: Caterpillar Inc.
    Inventors: Gautham SUBRAMANIAN, Bradley K. BOMER, Shane C. MC BRIDE, Allen J. DECLERK
  • Patent number: 11344981
    Abstract: A remanufactured internal spline component includes an inner surface defining a cylindrical bore and a remanufactured internal geometry on the inner surface. The internal geometry has a maximum diameter and a minimum diameter. The remanufactured internal geometry is created by removing a worn internal geometry to a pre-cladding diameter, cladding the inner surface in a plurality of layers by laser cladding to produce a cladded surface, and machining the cladded surface to produce the remanufactured internal geometry.
    Type: Grant
    Filed: November 23, 2020
    Date of Patent: May 31, 2022
    Assignee: Caterpillar Inc.
    Inventors: Andrew D. Steinmetz, Chandima Surangie Jayasinghe
  • Patent number: 11346083
    Abstract: A system for controlling an operation of a hydrostatic circuit of a work machine includes a flush control valve. The flush control valve is configured to be fluidly coupled to the hydrostatic circuit. The hydrostatic circuit is configured to operate in at least two operating modes to supply fluid power to selectively run a plurality of sub-systems of the work machine. In at least one operating mode of the at least two operating modes of the hydrostatic circuit, the flush control valve is configured to move and regulate a flushing flow rate of the fluid to equalize the flushing flow rate with a desired flushing flow rate based on a signal indicative of the at least one operating mode.
    Type: Grant
    Filed: June 11, 2021
    Date of Patent: May 31, 2022
    Assignee: Caterpillar Inc.
    Inventors: Anand S. P., Elangovan. U, Prasana. R
  • Patent number: 11344826
    Abstract: A fluid system for a machine includes a tube assembly and a sock filter enveloping the tube assembly. The fluid system also includes a filter protector adjacent to a fastener in the tube assembly and including a first connector fitted with a first tube, a second connector fitted with a second tube, and a wall that arcs between the first connector and the second connector and limits contact between a sock filter enveloping the tube assembly and the fastener.
    Type: Grant
    Filed: April 3, 2019
    Date of Patent: May 31, 2022
    Assignee: Caterpillar Inc.
    Inventors: Kevin Edwin Malone, Shawn Richard Herold, Theron James Cassidy, Matthew Fahrenkrug, Dustin Irvin Landwehr
  • Patent number: 11346301
    Abstract: A piston for an internal combustion engine includes a piston crown having a crown outer surface forming piston lands alternating axially with piston ring grooves together with the piston lands defining a deposit-sensitive zone. The crown outer surface is smoothed to inhibit deposit formation and/or adhesion within at least a portion of the deposit-sensitive zone to a roughness average (Ra) of 0.0002 millimeters or less, and in a refinement to a mirror finish Ra of 0.000125 or less.
    Type: Grant
    Filed: November 12, 2020
    Date of Patent: May 31, 2022
    Assignee: Caterpillar Inc.
    Inventors: Paul Kenneth Stark, Michael Stevan Radovanovic, James Atkinson
  • Patent number: 11346313
    Abstract: A fuel flow limiter assembly includes a limiter body forming a central bore, and including a shutoff piston within the central bore having a closing hydraulic surface exposed to a fluid pressure of the fuel inlet, and being movable from an open position, to a closed position based on a fuel pressure drop from a fuel inlet to a fuel outlet in the limiter assembly. A fuel filter is resident in the limiter assembly and supported in a connector coupled to the limiter body. The fuel filter is elongate and projects from the connector into a fuel flow path from the fuel inlet to the fuel outlet.
    Type: Grant
    Filed: September 3, 2020
    Date of Patent: May 31, 2022
    Assignee: Caterpillar Inc.
    Inventors: Joshua D. Carlson, Stephen Robert Lewis, Kenneth Carroll Adams, Daniel Richard Ibrahim
  • Patent number: 11348069
    Abstract: 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.
    Type: Grant
    Filed: May 29, 2020
    Date of Patent: May 31, 2022
    Assignee: Caterpillar Inc.
    Inventors: Gautham Subramanian, John Marsolek, Jacob McAlpine
  • Patent number: 11346075
    Abstract: An integrally cast hinge assembly for a bucket, including a first and second hinge plates, a first torque tube portion extending from the first hinge plate, a second torque tube portion extending from the second hinge plate, a third torque tube portion extending between the first hinge plate and the second hinge plate, and a support plate extending along a bottom portion of the hinge assembly. The first torque portion is weldlessly connected to the first hinge plate, the second torque tube portion is weldlessly connected to the second hinge plate, the third torque tube portion is weldlessly connected to both the first hinge plate and the second hinge plate, and the support plate is weldlessly connected to the first hinge plate, the second hinge plate, the first torque tube portion, the second torque tube portion, and the third torque tube portion.
    Type: Grant
    Filed: September 4, 2019
    Date of Patent: May 31, 2022
    Assignee: Caterpillar Inc.
    Inventors: Weiping Hu, Giedre Simanskaite, Joseph Cai, Alex Van Doornmalen, Mariska Schouten
  • Publication number: 20220161407
    Abstract: A dust cover for a hammer work tool, a hammer work tool, and a method of attaching the same are disclosed. The hammer work tool includes a housing, a power cell enclosed inside the housing, a tool member, and a detachable dust cover. When attached, the dust cover prevents particulate matter from entering the housing. When detached, a housing opening uncovered by the dust cover provides access to the power cell for maintenance and repairs. During installation, a housing rim and a locking tab of the hammer work tool are respectively received by a groove and a locking tab receiver of the dust cover. Advantageously, the dust cover is durable, cost effective, and easily attached and detached without the use of additional tools.
    Type: Application
    Filed: November 23, 2020
    Publication date: May 26, 2022
    Applicant: Caterpillar Inc.
    Inventors: Cody T. Moore, Manoj Kumar, Hariom Kumar Gupta, Gurbaz Singh, Akshay Deepak Mate, Chetan Vilas Dahiwal
  • Publication number: 20220163009
    Abstract: A fuel injector for a common rail fuel system includes an energizer section, an injector section, and control section axially disposed along an injector axis. To control and injection event, the control section includes a control orifice manifold that has a plurality of control orifices and control passages to distribute high pressure fuel with the injector assembly. To prevent plugging of the control orifices and passages, an internal filter element with a plurality of filtration orifices is located in proximity to the control orifice manifold.
    Type: Application
    Filed: November 24, 2020
    Publication date: May 26, 2022
    Applicant: Caterpillar Inc.
    Inventors: Benjamin R. Tower, Daniel R. Ibrahim
  • Publication number: 20220162971
    Abstract: An aftertreatment system for treatment of exhaust gases exiting an engine includes a first Selective Catalytic Reduction (SCR) device in fluid communication with the engine. The first SCR device receives the exhaust gases exiting the engine for reducing a first quantity of oxides of nitrogen (NOx) present in the exhaust gases. The aftertreatment system also includes an oxidation catalyst in fluid communication with the first SCR device. The oxidation catalyst receives the exhaust gases exiting the first SCR device for oxidizing ammonia present in the exhaust gases into a second quantity of NOx. The aftertreatment system further includes a second SCR device in fluid communication with the oxidation catalyst. The second SCR device receives the exhaust gases exiting the oxidation catalyst for reducing the second quantity of NOx.
    Type: Application
    Filed: November 23, 2020
    Publication date: May 26, 2022
    Applicant: Caterpillar Inc.
    Inventor: David Todd Montgomery
  • Publication number: 20220162978
    Abstract: A turbine connector in an engine exhaust manifold includes a turbine foot attached to incoming exhaust conduits. The turbine foot has an outer perimetric edge defining a trapezoidal shape, and inner perimetric edges forming exhaust outlets from the incoming exhaust conduits. The inner perimetric edges have varied perimetric curvatures largest in finite curvature size upon a web extending between the exhaust outlets, and together forming an hourglass web profile in a turbine-mounting plane defined by the turbine foot.
    Type: Application
    Filed: November 20, 2020
    Publication date: May 26, 2022
    Applicant: Caterpillar Inc.
    Inventors: Matthew Wolk, Thomas Lee Atwell, Vikas Bhupendra Sheth, Jeremy Ross Conyers
  • Publication number: 20220161163
    Abstract: A center tube and a central fluid supply tube combination includes a center tube body defining a longitudinal length, and a central reservoir. The center tube also includes an apertured annular wall extending axially the majority of the longitudinal length, and a first annular solid wall extending axially from the apertured annular wall. A central fluid supply tube is disposed in the central reservoir, and includes a second annular solid wall that is radially surrounded by the apertured annular wall of the center tube. The second annular solid wall defines a supply passage with a fully circular flow flux.
    Type: Application
    Filed: November 24, 2020
    Publication date: May 26, 2022
    Applicant: Caterpillar Inc.
    Inventors: Jon T. Immel, Stephen Ellis Oedewaldt, Jeffrey R. Ries, Darrell Lee Morehouse, III, Brian J. Sutton, Quinton Marcus Burcar
  • Publication number: 20220161408
    Abstract: A dust suppression system for a demolition hammer is disclosed. The dust suppression system may have a water hose routed within a power cell of the demolition hammer, and a connector channel internal of the walls of a front head of the demolition hammer. The water hose may be utilized to deliver water from outside of the demolition hammer to a connection valve on a top end of the front head, and the internal connector channel may deliver water from the connection valve to one or more nozzles located at a bottom end of the front head.
    Type: Application
    Filed: November 23, 2020
    Publication date: May 26, 2022
    Applicant: Caterpillar Inc.
    Inventors: Cody Moore, Akshay D. Mate, Hariom Kumar Gupta, Dhanunjaya D. Reddy, Chetan Vilas Dahiwal
  • Publication number: 20220161168
    Abstract: A pedestal for use with a canister filter system and a filter element for positioning and retaining the filter element in the canister filter system includes an at least partially annular body defining a longitudinal axis, a radial direction, and a circumferential direction. Also, the pedestal includes an annular wall that terminates at a bottom free end, and that defines a slot that extends axially upwardly and circumferentially from the bottom free end. A flow aperture extends through the annular wall that is disposed axially above the slot.
    Type: Application
    Filed: November 24, 2020
    Publication date: May 26, 2022
    Applicant: Caterpillar Inc.
    Inventors: Stephen Ellis Oedewaldt, Jon T. Immel, Jeffrey R. Ries, Darrell Lee Morehouse, III
  • Publication number: 20220163006
    Abstract: A method for identifying a fuel injector characteristic may include generating a signal to supply electrical current to the fuel injector, and monitoring the electrical current supplied to the fuel injector. The method may also include identifying the characteristic of the fuel injector based on the electrical current, the characteristic including a type of fuel injector, and performing a corrective action based on the type of fuel injector which was identified based on the electrical current.
    Type: Application
    Filed: November 24, 2020
    Publication date: May 26, 2022
    Applicant: Caterpillar Inc.
    Inventors: Daniel R. Puckett, Michael E. Sattler, Dustin K. Fee, Gregory L. Armstrong
  • Publication number: 20220161376
    Abstract: A remanufactured internal spline component includes an inner surface defining a cylindrical bore and a remanufactured internal geometry on the inner surface. The internal geometry has a maximum diameter and a minimum diameter. The remanufactured internal geometry is created by removing a worn internal geometry to a pre-cladding diameter, cladding the inner surface in a plurality of layers by laser cladding to produce a cladded surface, and machining the cladded surface to produce the remanufactured internal geometry.
    Type: Application
    Filed: November 23, 2020
    Publication date: May 26, 2022
    Applicant: Caterpillar Inc.
    Inventors: Andrew D. Steinmetz, Chandima Surangie Jayasinghe