Patents by Inventor Martha A. Crisler

Martha A. Crisler 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).

  • Transmission systems and methods
    Patent number: 8666619
    Abstract: A method includes: receiving M solenoids, each marked with a unique one of M identifiers, where M is an integer greater than one; receiving M lookup tables associated with respective ones of the M identifiers, wherein each of the M lookup tables establishes a relationship between input current and output pressure for only one of the M solenoids; assembling a transmission with a selected one of the M solenoids; selecting one of the M lookup tables based on one of the M identifiers marked on the selected one of the M solenoids; storing the selected one of the M lookup tables in memory of a transmission control module of a vehicle that is assembled with the transmission; and controlling output pressure of the selected one of the M solenoids based on the selected one of the M lookup tables and the input current using the transmission control module.
    Type: Grant
    Filed: May 24, 2011
    Date of Patent: March 4, 2014
    Inventors: Christopher G. Benson, Matthew R. Malik, Steven Mark Bezdek, Timothy P. Philippart, Martha A. Crisler, Stonewall J. Craig
  • TRANSMISSION SYSTEMS AND METHODS
    Publication number: 20120245811
    Abstract: A method includes: receiving M solenoids, each marked with a unique one of M identifiers, where M is an integer greater than one; receiving M lookup tables associated with respective ones of the M identifiers, wherein each of the M lookup tables establishes a relationship between input current and output pressure for only one of the M solenoids; assembling a transmission with a selected one of the M solenoids; selecting one of the M lookup tables based on one of the M identifiers marked on the selected one of the M solenoids; storing the selected one of the M lookup tables in memory of a transmission control module of a vehicle that is assembled with the transmission; and controlling output pressure of the selected one of the M solenoids based on the selected one of the M lookup tables and the input current using the transmission control module.
    Type: Application
    Filed: May 24, 2011
    Publication date: September 27, 2012
    Applicant: GM Global Technology Operations LLC
    Inventors: Christopher G. Benson, Steven Mark Bezdek, Martha A. Crisler, Matthew R. Malik, Timothy P. Philippart, Stonewall J. Craig