Patents by Inventor Kirk BRADSHAW

Kirk BRADSHAW 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).

  • Selection of launch ratio in a multi-speed automatic transmission
    Patent number: 9625031
    Abstract: A method and apparatus for modifying the shift map of an automatically controlled vehicle transmission having individually selectable speed ratios. A calibrator determines launch ratio from a plurality of speed ratios and is responsive to ambient pressure and/or ambient temperature. The calibrator may be further responsive to engine speed, engine temperature, transmission temperature, gradient and direction of gradient.
    Type: Grant
    Filed: August 7, 2014
    Date of Patent: April 18, 2017
    Assignee: JAGUAR LAND ROVER LIMITED
    Inventors: Emil Sahlberg, Andi Lowndes, Kirk Bradshaw
  • SELECTION OF LAUNCH RATIO IN A MULTI-SPEED AUTOMATIC TRANSMISSION
    Publication number: 20160186856
    Abstract: A method and apparatus for modifying the shift map of an automatically controlled vehicle transmission having individually selectable speed ratios. A calibrator determines launch ratio from a plurality of speed ratios and is responsive to ambient pressure and/or ambient temperature. The calibrator may be further responsive to engine speed, engine temperature, transmission temperature, gradient and direction of gradient.
    Type: Application
    Filed: August 7, 2014
    Publication date: June 30, 2016
    Applicant: Jaguar Land Rover Limited
    Inventors: Emil SAHLBERG, Andi LOWNDES, Kirk BRADSHAW