Patents by Inventor Stacy K. Worley

Stacy K. Worley has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20240157811
    Abstract: A work vehicle is configured to perform an activity in a work area. The work vehicle includes a chassis, a plurality of ground engaging members coupled to the chassis for movement of the chassis in the work area, a generator configured to generate energy from performance of the activity of the work vehicle in the work area, an energy storage device connected to the generator to store energy generated by the generator and configured to be charged to an initial charge, a work member, and a controller configured to establish an initial charge setting corresponding to the initial charge of the energy storage device based on at least one anticipated activity input of the work vehicle.
    Type: Application
    Filed: December 20, 2023
    Publication date: May 16, 2024
    Inventors: STACY K. WORLEY, BRITON T. EASTMAN, DOUGLAS J. DUFF
  • Patent number: 11890947
    Abstract: A work vehicle is configured to perform an activity in a work area. The work vehicle includes a chassis, a plurality of ground engaging members coupled to the chassis for movement of the chassis in the work area, a generator configured to generate energy from performance of the activity of the work vehicle in the work area, an energy storage device connected to the generator to store energy generated by the generator and configured to be charged to an initial charge, and a controller configured to establish an initial charge setting corresponding to the initial charge of the energy storage device based on at least one anticipated activity input of the work vehicle.
    Type: Grant
    Filed: October 19, 2020
    Date of Patent: February 6, 2024
    Assignee: DEERE & COMPANY
    Inventors: Stacy K Worley, Briton T. Eastman, Douglas J. Duff
  • Patent number: 11820361
    Abstract: A transmission assembly for a work vehicle having an engine includes a variator operably connected to the engine, a gear arrangement configured to provide a selective gear reduction for transmission of output power from the variator to an output shaft, and an electrical machine unit. The electrical machine unit further includes a main shaft operably connected to the variator, a first rotor configured to rotatably drive a first shaft, a second rotor configured to rotatably drive a second shaft, and a clutch configured to selectively couple the first shaft or the second shaft, or both the first shaft and the second shaft, to the main shaft. The clutch, the first rotor, and the second rotor are operable to control a speed and rotational direction of the main shaft in providing rotational power to the variator.
    Type: Grant
    Filed: November 30, 2021
    Date of Patent: November 21, 2023
    Assignee: DEERE & COMPANY
    Inventors: David S. Black, Stacy K. Worley, Clayton G. Janasek
  • Publication number: 20230369922
    Abstract: An electric motor includes a stator core and a plurality of stator windings disposed on or in the stator core, with the plurality of stator windings including a plurality of winding end-turns that extend out from the stator core. The electric motor also includes an electrically insulating potting material applied over the plurality of winding end-turns. A cooling passage is formed that defines a cooling circuit through which a cooling fluid is circulated to provide cooling to the plurality of winding end-turns, the cooling passage formed upon dissolving of a chemically soluble material embedded within the potting material.
    Type: Application
    Filed: May 12, 2022
    Publication date: November 16, 2023
    Inventors: Cayle D. Harmon-Moore, Stacy K. Worley, Randall L. Long
  • Patent number: 11811296
    Abstract: An electric machine includes a drive assembly and a casing. The drive assembly has a stator and a rotor rotatable about a drive axis relative to the stator. The casing contains the drive assembly and has coolant passages, the coolant passages defining a first inlet opening, a second inlet opening, a stator feed circuit, a rotor feed circuit, and an intersection providing fluid communication between the stator feed circuit and the rotor feed circuit. The coolant passages receive at least one coolant input through one or more of the first inlet opening and the second inlet opening to deliver coolant to the rotor through the rotor feed circuit and to the stator through the stator feed circuit.
    Type: Grant
    Filed: February 12, 2020
    Date of Patent: November 7, 2023
    Assignee: DEERE & COMPANY
    Inventors: Randall L Long, Stacy K. Worley
  • Publication number: 20230304570
    Abstract: A work vehicle drive includes a housing; an electric machine at least partially housed within the housing, configured to generate rotational power, and comprising an interface coupling at an electric machine output; a transmission at least partially housed within the housing, rotationally coupled to the interface coupling, and configured to transfer at least a portion of the mechanical power from the electric machine to a drive output; a pump at least partially housed within the housing and configured to facilitate circulation of lubrication fluid about the transmission, wherein the pump is selectively driven, in a first mode of operation, by the rotational power of the electric machine; and a solenoid device at least partially housed within the housing and configured to selectively drive the pump in a second mode of operation.
    Type: Application
    Filed: March 9, 2022
    Publication date: September 28, 2023
    Inventors: Randall L. Long, Stacy K. Worley, Cayle D. Harmon-Moore
  • Publication number: 20230287965
    Abstract: A final drive assembly is provided for powering a ground-engaging mechanism of a work machine. The final drive assembly includes a plurality of power-transferring devices each having an output and a planetary gearset assembly including a plurality of planetary inputs and a planetary output. The planetary output is configured to transfer power from the plurality of planetary inputs to the ground-engaging mechanism. Each of the plurality of planetary inputs is coupled to one output of the plurality of power-transferring devices.
    Type: Application
    Filed: March 11, 2022
    Publication date: September 14, 2023
    Inventors: Randall L. Long, Cayle D. Harmon-Moore, Stacy K. Worley
  • Patent number: 11746858
    Abstract: A final drive assembly is provided for powering a ground-engaging mechanism of a work machine. The final drive assembly includes a plurality of power-transferring devices each having an output and a planetary gearset assembly including a plurality of planetary inputs and a planetary output. The planetary output is configured to transfer power from the plurality of planetary inputs to the ground-engaging mechanism. Each of the plurality of planetary inputs is coupled to one output of the plurality of power-transferring devices.
    Type: Grant
    Filed: March 11, 2022
    Date of Patent: September 5, 2023
    Assignee: DEERE & COMPANY
    Inventors: Randall L. Long, Cayle D. Harmon-Moore, Stacy K. Worley
  • Patent number: 11691617
    Abstract: A transmission assembly for a work vehicle having an engine includes a variator operably connected to the engine, a gear arrangement configured to provide a selective gear reduction for transmission of output power from the variator to an output shaft, and an electrical machine unit. The electrical machine unit further includes a main shaft operably connected to the variator, a first rotor configured to rotatably drive a first shaft, a second rotor configured to rotatably drive a second shaft, and a clutch configured to selectively couple the first shaft or the second shaft, or both the first shaft and the second shaft, to the main shaft. The clutch, the first rotor, and the second rotor are operable to control a speed and rotational direction of the main shaft in providing rotational power to the variator.
    Type: Grant
    Filed: November 30, 2021
    Date of Patent: July 4, 2023
    Assignee: DEERE & COMPANY
    Inventors: David S. Black, Stacy K. Worley, Clayton G. Janasek
  • Publication number: 20230166718
    Abstract: A transmission assembly for a work vehicle having an engine includes a variator operably connected to the engine, a gear arrangement configured to provide a selective gear reduction for transmission of output power from the variator to an output shaft, and an electrical machine unit. The electrical machine unit further includes a main shaft operably connected to the variator, a first rotor configured to rotatably drive a first shaft, a second rotor configured to rotatably drive a second shaft, and a clutch configured to selectively couple the first shaft or the second shaft, or both the first shaft and the second shaft, to the main shaft. The clutch, the first rotor, and the second rotor are operable to control a speed and rotational direction of the main shaft in providing rotational power to the variator.
    Type: Application
    Filed: November 30, 2021
    Publication date: June 1, 2023
    Inventors: David S. Black, Stacy K. Worley, Clayton G. Janasek
  • Publication number: 20230132187
    Abstract: A work vehicle and energy storage device include a ballast providing ballast weight to the horizontal end of the work vehicle, a stator of an electric machine having a vertically extending axis, and a rotor of the electric machine fixed for rotation with the ballast.
    Type: Application
    Filed: October 6, 2022
    Publication date: April 27, 2023
    Inventors: RANDALL L. LONG, STACY K. WORLEY, LASHUN O. MOWERS
  • Publication number: 20230131257
    Abstract: An energy storage device for storing energy generated from operation of a work vehicle includes a ballast providing ballast weight to the work vehicle, a stator of an electric machine mounted on the work vehicle, a rotor of the electric machine fixed for rotation with the ballast, spaced from the stator by a gap, and configured for rotation relative to the stator such that the electric machine is configured to generate electrical current from rotation of the rotor and the ballast relative to the stator and to rotate the rotor and the ballast from electrical current received by the electric machine, and a gap modulator coupled to at least one of the stator and the rotor and configured to selectively adjust the gap between the rotor and the stator based on an operation of the electric machine.
    Type: Application
    Filed: October 26, 2021
    Publication date: April 27, 2023
    Inventors: Lashun O. Mowers, Randall L. Long, Stacy K. Worley
  • Publication number: 20230129826
    Abstract: A work vehicle and energy storage device include an electric machine having a stator and a rotor. The rotor is configured to rotate from the flow of electrical current provided to the electric machine, rotate to store energy of the work vehicle, provide a rotor mass to an end of the work vehicle, and generate electrical current for the work vehicle from rotation of the rotor. The rotor mass is greater than a stator mass.
    Type: Application
    Filed: October 26, 2021
    Publication date: April 27, 2023
    Inventors: Randall L. Long, Lashun O. Mowers, Stacy K. Worley
  • Publication number: 20230126557
    Abstract: An energy storage device is mounted at a horizontal end of a work vehicle for storing energy generated from operation of the work vehicle. The energy storage device includes a stator of an electric machine having a stator axis, a rotor of the electric machine fixed for rotation with a rotating ballast and configured for rotation about the stator axis, a housing disposed around the rotor and configured to contain the electric machine, and a brake configured to absorb kinetic energy of the rotor.
    Type: Application
    Filed: October 26, 2021
    Publication date: April 27, 2023
    Inventors: Lashun O. Mowers, Randall L. Long, Stacy K. Worley
  • Patent number: 11614373
    Abstract: A torque sensor assembly is used with a driveline component. The torque sensor assembly includes a holder, a sleeve, and at least one strain sensor. The holder includes a side wall that has a holder outer surface and a holder inner surface. The holder outer surface is corresponding to and attached to an aperture of the driveline component. The sleeve is corresponding to and attached to the holder inner surface. The strain sensor is attached to a sleeve inner surface of the sleeve and used to sense a strain in the driveline component.
    Type: Grant
    Filed: May 25, 2021
    Date of Patent: March 28, 2023
    Assignee: DEERE & COMPANY
    Inventors: Steven R. Whiteman, Jonathan D. Forster, Dean H. Lehrke, Stacy K. Worley
  • Patent number: 11492780
    Abstract: A work vehicle and energy storage device include a ballast providing ballast weight to the horizontal end of the work vehicle, a stator of an electric machine having a vertically extending axis, a rotor of the electric machine fixed for rotation with the ballast and configured for rotation about the vertically extending axis, and a bearing supporting the ballast weight and the rotor for rotation of the rotor relative to the stator.
    Type: Grant
    Filed: October 26, 2021
    Date of Patent: November 8, 2022
    Assignee: DEERE & COMPANY
    Inventors: Randall L. Long, Stacy K. Worley, Lashun O. Mowers
  • Patent number: 11420512
    Abstract: An integrated transmission includes a transmission housing having a first housing face through which the input shaft extends; a CVP housed within the housing; and a transmission assembly. The transmission assembly includes an input arrangement contained within the housing and having at least one input transmission component selectively coupling the engine power and the CVP power; a variator arrangement contained within the housing, configured to receive the engine and CVP power and to selectively transfer the engine power, CVP power, and a summing of engine and CVP power as variator output power; and a transmission gear arrangement contained within the transmission housing engaged with the variator arrangement and configured to provide a selective gear reduction for transmission to an output shaft that extends out of the transmission housing. The integrated transmission includes a power electronics apparatus arranged within or on the transmission housing and electrically coupled to the CVP.
    Type: Grant
    Filed: December 9, 2019
    Date of Patent: August 23, 2022
    Assignee: DEERE & COMPANY
    Inventors: Stacy K. Worley, Ronald D. Bremner
  • Publication number: 20220118859
    Abstract: A work vehicle is configured to perform an activity in a work area. The work vehicle includes a chassis, a plurality of ground engaging members coupled to the chassis for movement of the chassis in the work area, a generator configured to generate energy from performance of the activity of the work vehicle in the work area, an energy storage device connected to the generator to store energy generated by the generator and configured to be charged to an initial charge, and a controller configured to establish an initial charge setting corresponding to the initial charge of the energy storage device based on at least one anticipated activity input of the work vehicle.
    Type: Application
    Filed: October 19, 2020
    Publication date: April 21, 2022
    Inventors: STACY K. WORLEY, BRITON T. EASTMAN, DOUGLAS J. DUFF
  • Publication number: 20210278297
    Abstract: A torque sensor assembly is used with a driveline component. The torque sensor assembly includes a holder, a sleeve, and at least one strain sensor. The holder includes a side wall that has a holder outer surface and a holder inner surface. The holder outer surface is corresponding to and attached to an aperture of the driveline component. The sleeve is corresponding to and attached to the holder inner surface. The strain sensor is attached to a sleeve inner surface of the sleeve and used to sense a strain in the driveline component.
    Type: Application
    Filed: May 25, 2021
    Publication date: September 9, 2021
    Inventors: STEVEN R. WHITEMAN, JONATHAN D. FORSTER, DEAN H. LEHRKE, STACY K. WORLEY
  • Patent number: 11099088
    Abstract: A torque sensor assembly is used with a driveline component. The torque sensor assembly includes a holder, a sleeve, and at least one strain sensor. The holder includes a side wall that has a holder outer surface and a holder inner surface. The holder outer surface is corresponding to and attached to an aperture of the driveline component. The sleeve is corresponding to and attached to the holder inner surface. The strain sensor is attached to the sleeve and used to sense a strain in the driveline component.
    Type: Grant
    Filed: December 21, 2018
    Date of Patent: August 24, 2021
    Assignee: DEERE & COMPANY
    Inventors: Steven R. Whiteman, Jonathan D. Forster, Dean H. Lehrke, Stacy K. Worley