Patents by Inventor Mark D. Kieliszewski

Mark D. Kieliszewski 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).

  • Transfer case off-axis pump
    Patent number: 11525506
    Abstract: A transfer case pump includes an oil pump, a cover assembly, and a torque transfer mechanism. The oil pump has a pump shaft, and is configured to pressurize a lubricant in response to a rotation of the pump shaft. The pump shaft rotates around a pump axis. The pump axis is parallel to a rear axis of a rear shaft. The pump axis is offset from the rear axis. The cover assembly has a channel configured to transfer the lubricant from the oil pump to the rear shaft. The cover assembly extends around the rear shaft and around the pump shaft. The torque transfer mechanism is configured to transfer a torque from the rear shaft to the pump shaft.
    Type: Grant
    Filed: February 9, 2021
    Date of Patent: December 13, 2022
    Assignee: GM Global Technology Operations LLC
    Inventors: James M. Hart, Daryl A. Wilton, Clinton E. Carey, Robert B. Parrish, William M. Modisett, Keith W. Noser, Mark D. Kieliszewski
  • TRANSFER CASE OFF-AXIS PUMP
    Publication number: 20220252146
    Abstract: A transfer case pump includes an oil pump, a cover assembly, and a torque transfer mechanism. The oil pump has a pump shaft, and is configured to pressurize a lubricant in response to a rotation of the pump shaft. The pump shaft rotates around a pump axis. The pump axis is parallel to a rear axis of a rear shaft. The pump axis is offset from the rear axis. The cover assembly has a channel configured to transfer the lubricant from the oil pump to the rear shaft. The cover assembly extends around the rear shaft and around the pump shaft. The torque transfer mechanism is configured to transfer a torque from the rear shaft to the pump shaft.
    Type: Application
    Filed: February 9, 2021
    Publication date: August 11, 2022
    Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: James M. Hart, Daryl A. Wilton, Clinton E. Carey, Robert B. Parrish, William M. Modisett, Keith W. Noser, Mark D. Kieliszewski