Patents by Inventor Constantine R. Checkles

Constantine R. Checkles 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).

  • Belt drive system for an internal combustion engine
    Patent number: 10018254
    Abstract: A belt drive system for rotatably coupling an internal combustion engine to an electric machine is described. The belt drive system includes a serpentine belt and a hydraulic strut tensioner, wherein the hydraulic strut tensioner is disposed to exert a tension force on the serpentine belt. A controller is operatively connected to the electric machine and includes an instruction set that is executable to periodically induce a reduction in torque output of the electric machine.
    Type: Grant
    Filed: May 27, 2016
    Date of Patent: July 10, 2018
    Assignee: GM Global Technology Operations LLC
    Inventors: Mark W. Wright, Constantine R. Checkles, Daniel D. Cottrell, V
  • BELT DRIVE SYSTEM FOR AN INTERNAL COMBUSTION ENGINE
    Publication number: 20170343083
    Abstract: A belt drive system for rotatably coupling an internal combustion engine to an electric machine is described. The belt drive system includes a serpentine belt and a hydraulic strut tensioner, wherein the hydraulic strut tensioner is disposed to exert a tension force on the serpentine belt. A controller is operatively connected to the electric machine and includes an instruction set that is executable to periodically induce a reduction in torque output of the electric machine.
    Type: Application
    Filed: May 27, 2016
    Publication date: November 30, 2017
    Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Mark W. Wright, Constantine R. Checkles, Daniel D. Cottrell, V