Patents by Inventor Thomas R. Langeland

Thomas R. Langeland 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).

  • Gear shift control of a dual clutch transmission
    Patent number: 8079936
    Abstract: A method for controlling a gear shift of a dual clutch transmission having an offgoing clutch and an oncoming clutch, includes using torque transmitted by the oncoming clutch to control torque at a transmission output, using a speed of a power source to control a transfer of torque between the offgoing clutch and the oncoming clutch, and varying said torque capacity to produce a target slip across the oncoming clutch when the shift is completed.
    Type: Grant
    Filed: April 9, 2009
    Date of Patent: December 20, 2011
    Assignee: Ford Global Technologies, LLC
    Inventors: Kevin MacFarlane, Brian Keyse, Eileen A. Davidson, David Orton, Thomas R. Langeland
  • Gear Shift Control of a Dual Clutch Transmission
    Publication number: 20100261577
    Abstract: A method for controlling a gear shift of a dual clutch transmission having an offgoing clutch and an oncoming clutch, includes using torque transmitted by the oncoming clutch to control torque at a transmission output, using a speed of a power source to control a transfer of torque between the offgoing clutch and the oncoming clutch, and varying said torque capacity to produce a target slip across the oncoming clutch when the shift is completed.
    Type: Application
    Filed: April 9, 2009
    Publication date: October 14, 2010
    Inventors: Kevin MacFarlane, Brian Keyse, Eileen A. Davidson, David Orton, Thomas R. Langeland