Patents by Inventor Arthur L. McGrew

Arthur L. McGrew 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).

  • Motor configurations for multiple motor mixed-speed continuous power transmission
    Patent number: 12240307
    Abstract: An electric powertrain includes a first electric motor that has an uninterrupted connection with a drive shaft of a vehicle. The electric powertrain further includes a second electric motor that has an interruptible connection with the drive shaft. In one form, this interruptible connection includes a clutch. The electric powertrain further includes a first gear train in the form of a first planetary gear and a second gear train in the form of a second planetary gear. In one form, the first electric motor and second electric motor are the same type of electric motor, and in another form, the first electric motor and second electric motor are different types of electric motors.
    Type: Grant
    Filed: November 15, 2023
    Date of Patent: March 4, 2025
    Assignee: Allison Transmission, Inc.
    Inventors: Arthur L. McGrew, Jr., Isaac Mock, George S. Pelton, James Allen Raszkowski
  • OUTPUT GEARING FOR A DUAL MOTOR MIXED-SPEED CONTINUOUS POWER TRANSMISSION
    Publication number: 20240418245
    Abstract: An electric powertrain includes a first electric motor that has an uninterrupted connection with a drive shaft of a vehicle. The electric powertrain further includes a second electric motor that has an interruptible connection with the drive shaft. In one form, this interruptible connection includes a clutch. The electric powertrain further includes a first gear train in the form of a first planetary gear and a second gear train in the form of a second planetary gear. The first gear train, second gear train, and clutch are arranged downstream from the first electric motor and second electric motor.
    Type: Application
    Filed: August 26, 2024
    Publication date: December 19, 2024
    Applicant: Allison Transmission, Inc.
    Inventors: Arthur L. McGrew, JR., Isaac Mock, George S. Pelton, James Allen Raszkowski
  • Output gearing for a dual motor mixed-speed continuous power transmission
    Patent number: 12085155
    Abstract: An electric powertrain includes a first electric motor that has an uninterrupted connection with a drive shaft of a vehicle. The electric powertrain further includes a second electric motor that has an interruptible connection with the drive shaft. In one form, this interruptible connection includes a clutch. The electric powertrain further includes a first gear train in the form of a first planetary gear and a second gear train in the form of a second planetary gear. The first gear train, second gear train, and clutch are arranged downstream from the first electric motor and second electric motor.
    Type: Grant
    Filed: September 20, 2023
    Date of Patent: September 10, 2024
    Inventors: Arthur L. McGrew, Jr., Isaac Mock, George S. Pelton, James Allen Raszkowski
  • MOTOR CONFIGURATIONS FOR MULTIPLE MOTOR MIXED-SPEED CONTINUOUS POWER TRANSMISSION
    Publication number: 20240075797
    Abstract: An electric powertrain includes a first electric motor that has an uninterrupted connection with a drive shaft of a vehicle. The electric powertrain further includes a second electric motor that has an interruptible connection with the drive shaft. In one form, this interruptible connection includes a clutch. The electric powertrain further includes a first gear train in the form of a first planetary gear and a second gear train in the form of a second planetary gear. In one form, the first electric motor and second electric motor are the same type of electric motor, and in another form, the first electric motor and second electric motor are different types of electric motors.
    Type: Application
    Filed: November 15, 2023
    Publication date: March 7, 2024
    Applicant: Allison Transmission, Inc.
    Inventors: Arthur L. McGrew, JR., Isaac Mock, George S. Pelton, James Allen Raszkowski
  • OUTPUT GEARING FOR A DUAL MOTOR MIXED-SPEED CONTINUOUS POWER TRANSMISSION
    Publication number: 20240019016
    Abstract: An electric powertrain includes a first electric motor that has an uninterrupted connection with a drive shaft of a vehicle. The electric powertrain further includes a second electric motor that has an interruptible connection with the drive shaft. In one form, this interruptible connection includes a clutch. The electric powertrain further includes a first gear train in the form of a first planetary gear and a second gear train in the form of a second planetary gear. The first gear train, second gear train, and clutch are arranged downstream from the first electric motor and second electric motor.
    Type: Application
    Filed: September 20, 2023
    Publication date: January 18, 2024
    Applicant: Allison Transmission, Inc.
    Inventors: Arthur L. McGrew, Jr., Isaac Mock, George S. Pelton, James Allen Raszkowski
  • Motor configurations for multiple motor mixed-speed continuous power transmission
    Patent number: 11840134
    Abstract: An electric powertrain includes a first electric motor that has an uninterrupted connection with a drive shaft of a vehicle. The electric powertrain further includes a second electric motor that has an interruptible connection with the drive shaft. In one form, this interruptible connection includes a clutch. The electric powertrain further includes a first gear train in the form of a first planetary gear and a second gear train in the form of a second planetary gear. In one form, the first electric motor and second electric motor are the same type of electric motor, and in another form, the first electric motor and second electric motor are different types of electric motors.
    Type: Grant
    Filed: May 4, 2022
    Date of Patent: December 12, 2023
    Assignee: Allison Transmission, Inc.
    Inventors: Arthur L McGrew, Jr., Isaac Mock, George S. Pelton, James Allen Raszkowski
  • Output gearing for a dual motor mixed-speed continuous power transmission
    Patent number: 11796038
    Abstract: An electric powertrain includes a first electric motor that has an uninterrupted connection with a drive shaft of a vehicle. The electric powertrain further includes a second electric motor that has an interruptible connection with the drive shaft. In one form, this interruptible connection includes a clutch. The electric powertrain further includes a first gear train in the form of a first planetary gear and a second gear train in the form of a second planetary gear. The first gear train, second gear train, and clutch are arranged downstream from the first electric motor and second electric motor.
    Type: Grant
    Filed: July 27, 2022
    Date of Patent: October 24, 2023
    Assignee: Allison Transmission, Inc.
    Inventors: Arthur L. McGrew, Jr., Isaac Mock, George S. Pelton, James Allen Raszkowski
  • Sandwiched gear train arrangement for multiple electric motor mixed-speed continuous power transmission
    Patent number: 11572933
    Abstract: An electric powertrain includes a first electric motor that has an uninterrupted connection with a drive shaft of a vehicle. The electric powertrain further includes a first gear train that has an interruptible connection with the drive shaft. In one form, this interruptible connection includes a second carrier and a clutch engagement member. The electric powertrain further includes a sun gear in the form of a ring gear and planet gears in the form of a first output shaft. To provide a compact configuration, the first electric motor and the first gear train are sandwiched between the sun gear and the planet gears.
    Type: Grant
    Filed: December 6, 2021
    Date of Patent: February 7, 2023
    Assignee: Allison Transmission, Inc.
    Inventors: Arthur L. McGrew, Jr., Isaac Mock, George S. Pelton, James Allen Raszkowski
  • OUTPUT GEARING FOR A DUAL MOTOR MIXED-SPEED CONTINUOUS POWER TRANSMISSION
    Publication number: 20220364630
    Abstract: An electric powertrain includes a first electric motor that has an uninterrupted connection with a drive shaft of a vehicle. The electric powertrain further includes a second electric motor that has an interruptible connection with the drive shaft. In one form, this interruptible connection includes a clutch. The electric powertrain further includes a first gear train in the form of a first planetary gear and a second gear train in the form of a second planetary gear. The first gear train, second gear train, and clutch are arranged downstream from the first electric motor and second electric motor.
    Type: Application
    Filed: July 27, 2022
    Publication date: November 17, 2022
    Applicant: Allison Transmission, Inc.
    Inventors: Arthur L. McGrew, JR., Isaac Mock, George S. Pelton, James Allen Raszkowski
  • Multiple motor multiple speed continuous power transmission
    Patent number: 11498403
    Abstract: An electric powertrain includes a first electric motor that has an uninterrupted connection with a drive shaft of a vehicle. The electric powertrain further includes a second electric motor that has an interruptible connection with the drive shaft. In one form, this interruptible connection includes a clutch. The electric powertrain further includes a first gear train in the form of a first planetary gear and a second gear train in the form of a second planetary gear. To provide a compact configuration, the first electric motor and second electric motor are arranged in a centerline orientation with the drive shaft.
    Type: Grant
    Filed: June 21, 2021
    Date of Patent: November 15, 2022
    Assignee: Allison Transmission, Inc.
    Inventors: Arthur L. McGrew, Jr., Isaac Mock, George S. Pelton, James Allen Raszkowski, John Andrew Byerly, John L. Saler
  • Output gearing for a dual motor mixed-speed continuous power transmission
    Patent number: 11421759
    Abstract: An electric powertrain includes a first electric motor that has an uninterrupted connection with a drive shaft of a vehicle. The electric powertrain further includes a second electric motor that has an interruptible connection with the drive shaft. In one form, this interruptible connection includes a clutch. The electric powertrain further includes a first gear train in the form of a first planetary gear and a second gear train in the form of a second planetary gear. The first gear train, second gear train, and clutch are arranged downstream from the first electric motor and second electric motor.
    Type: Grant
    Filed: June 2, 2020
    Date of Patent: August 23, 2022
    Assignee: Allison Transmission, Inc.
    Inventors: Arthur L. McGrew, Jr., Isaac Mock, George S. Pelton, James Allen Raszkowski
  • MOTOR CONFIGURATIONS FOR MULTIPLE MOTOR MIXED-SPEED CONTINUOUS POWER TRANSMISSION
    Publication number: 20220258583
    Abstract: An electric powertrain includes a first electric motor that has an uninterrupted connection with a drive shaft of a vehicle. The electric powertrain further includes a second electric motor that has an interruptible connection with the drive shaft. In one form, this interruptible connection includes a clutch. The electric powertrain further includes a first gear train in the form of a first planetary gear and a second gear train in the form of a second planetary gear. In one form, the first electric motor and second electric motor are the same type of electric motor, and in another form, the first electric motor and second electric motor are different types of electric motors.
    Type: Application
    Filed: May 4, 2022
    Publication date: August 18, 2022
    Applicant: Allison Transmission, Inc.
    Inventors: Arthur L. McGrew, JR., Isaac Mock, George S. Pelton, James Allen Raszkowski
  • Motor configurations for multiple motor mixed-speed continuous power transmission
    Patent number: 11331991
    Abstract: An electric powertrain includes a first electric motor that has an uninterrupted connection with a drive shaft of a vehicle. The electric powertrain further includes a second electric motor that has an interruptible connection with the drive shaft. In one form, this interruptible connection includes a clutch. The electric powertrain further includes a first gear train in the form of a first planetary gear and a second gear train in the form of a second planetary gear. In one form, the first electric motor and second electric motor are the same type of electric motor, and in another form, the first electric motor and second electric motor are different types of electric motors.
    Type: Grant
    Filed: December 20, 2019
    Date of Patent: May 17, 2022
    Assignee: Allison Transmission, Inc.
    Inventors: Arthur L. McGrew, Jr., Isaac Mock, George S. Pelton, James Allen Raszkowski
  • SANDWICHED GEAR TRAIN ARRANGEMENT FOR MULTIPLE ELECTRIC MOTOR MIXED-SPEED CONTINUOUS POWER TRANSMISSION
    Publication number: 20220090654
    Abstract: An electric powertrain includes a first electric motor that has an uninterrupted connection with a drive shaft of a vehicle. The electric powertrain further includes a first gear train that has an interruptible connection with the drive shaft. In one form, this interruptible connection includes a second carrier and a clutch engagement member. The electric powertrain further includes a sun gear in the form of a ring gear and planet gears in the form of a first output shaft. To provide a compact configuration, the first electric motor and the first gear train are sandwiched between the sun gear and the planet gears.
    Type: Application
    Filed: December 6, 2021
    Publication date: March 24, 2022
    Applicant: Allison Transmission, Inc.
    Inventors: Arthur L. McGrew, JR., Isaac Mock, George S. Pelton, James Allen Raszkowski
  • Sandwiched gear train arrangement for multiple electric motor mixed-speed continuous power transmission
    Patent number: 11193562
    Abstract: An electric powertrain includes a first electric motor that has an uninterrupted connection with a drive shaft of a vehicle. The electric powertrain further includes a first gear train that has an interruptible connection with the drive shaft. In one form, this interruptible connection includes a second carrier and a clutch engagement member. The electric powertrain further includes a sun gear in the form of a ring gear and planet gears in the form of a first output shaft. To provide a compact configuration, the first electric motor and the first gear train are sandwiched between the sun gear and the planet gears.
    Type: Grant
    Filed: June 1, 2020
    Date of Patent: December 7, 2021
    Assignee: Allison Transmission, Inc.
    Inventors: Arthur L. McGrew, Jr., Isaac Mock, George S. Pelton, James Allen Raszkowski
  • OUTPUT GEARING FOR A DUAL MOTOR MIXED-SPEED CONTINUOUS POWER TRANSMISSION
    Publication number: 20210372506
    Abstract: An electric powertrain includes a first electric motor that has an uninterrupted connection with a drive shaft of a vehicle. The electric powertrain further includes a second electric motor that has an interruptible connection with the drive shaft. In one form, this interruptible connection includes a clutch. The electric powertrain further includes a first gear train in the form of a first planetary gear and a second gear train in the form of a second planetary gear. The first gear train, second gear train, and clutch are arranged downstream from the first electric motor and second electric motor.
    Type: Application
    Filed: June 2, 2020
    Publication date: December 2, 2021
    Applicant: Allison Transmission, Inc.
    Inventors: Arthur L. McGrew, JR., Isaac Mock, George S. Pelton, James Allen Raszkowski
  • SANDWICHED GEAR TRAIN ARRANGEMENT FOR MULTIPLE ELECTRIC MOTOR MIXED-SPEED CONTINUOUS POWER TRANSMISSION
    Publication number: 20210372505
    Abstract: An electric powertrain includes a first electric motor that has an uninterrupted connection with a drive shaft of a vehicle. The electric powertrain further includes a first gear train that has an interruptible connection with the drive shaft. In one form, this interruptible connection includes a second carrier and a clutch engagement member. The electric powertrain further includes a sun gear in the form of a ring gear and planet gears in the form of a first output shaft. To provide a compact configuration, the first electric motor and the first gear train are sandwiched between the sun gear and the planet gears.
    Type: Application
    Filed: June 1, 2020
    Publication date: December 2, 2021
    Applicant: Allison Transmisson, Inc.
    Inventors: Arthur L. McGrew, JR., Isaac Mock, George S. Pelton, James Allen Raszkowski
  • MULTIPLE MOTOR MULTIPLE SPEED CONTINUOUS POWER TRANSMISSION
    Publication number: 20210309089
    Abstract: An electric powertrain includes a first electric motor that has an uninterrupted connection with a drive shaft of a vehicle. The electric powertrain further includes a second electric motor that has an interruptible connection with the drive shaft. In one form, this interruptible connection includes a clutch. The electric powertrain further includes a first gear train in the form of a first planetary gear and a second gear train in the form of a second planetary gear. To provide a compact configuration, the first electric motor and second electric motor are arranged in a centerline orientation with the drive shaft.
    Type: Application
    Filed: June 21, 2021
    Publication date: October 7, 2021
    Applicant: Allison Transmission, Inc.
    Inventors: Arthur L. McGrew, JR., Isaac Mock, George S. Pelton, James Allen Raszkowski, John Andrew Byerly, John L. Saler
  • MOTOR CONFIGURATIONS FOR MULTIPLE MOTOR MIXED-SPEED CONTINUOUS POWER TRANSMISSION
    Publication number: 20210188066
    Abstract: An electric powertrain includes a first electric motor that has an uninterrupted connection with a drive shaft of a vehicle. The electric powertrain further includes a second electric motor that has an interruptible connection with the drive shaft. In one form, this interruptible connection includes a clutch. The electric powertrain further includes a first gear train in the form of a first planetary gear and a second gear train in the form of a second planetary gear. In one form, the first electric motor and second electric motor are the same type of electric motor, and in another form, the first electric motor and second electric motor are different types of electric motors.
    Type: Application
    Filed: December 20, 2019
    Publication date: June 24, 2021
    Applicant: Allison Transmission, Inc.
    Inventors: Arthur L. McGrew, Isaac Mock, George S. Pelton, James Allen Raszkowski
  • Multiple motor multiple speed continuous power transmission
    Patent number: 11040607
    Abstract: An electric powertrain includes a first electric motor that has an uninterrupted connection with a drive shaft of a vehicle. The electric powertrain further includes a second electric motor that has an interruptible connection with the drive shaft. In one form, this interruptible connection includes a clutch. The electric powertrain further includes a first gear train in the form of a first planetary gear and a second gear train in the form of a second planetary gear. To provide a compact configuration, the first electric motor and second electric motor are arranged in a centerline orientation with the drive shaft.
    Type: Grant
    Filed: July 12, 2019
    Date of Patent: June 22, 2021
    Assignee: Allison Transmission, Inc.
    Inventors: Arthur L. McGrew, Jr., Isaac Mock, George S. Pelton, James Allen Raszkowski, John Andrew Byerly, John L. Saler