Patents by Inventor Lars-Erik THEODORSSON

Lars-Erik THEODORSSON 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).

  • Patent number: 10369981
    Abstract: A method is provided for balancing clutch wear in a dual clutch transmission. The method involves performing the steps of determining which clutch unit of first and second clutch units is subjected to the most accumulated wear and selecting a gear actuated by the other clutch unit during launch of the vehicle.
    Type: Grant
    Filed: June 12, 2013
    Date of Patent: August 6, 2019
    Assignee: Volvo Truck Corporation
    Inventors: Anders Hedman, Lars-Erik Theodorsson
  • Publication number: 20160121872
    Abstract: A method is provided for balancing clutch wear in a dual clutch transmission, the transmission comprising a first transmission mechanism arranged to transmit mechanical driving force from an output shaft of the internal combustion engine to a first input shaft and to put any one of a first set of gears in an engaged state to connect the first input shaft to the ground engaging members; a second transmission mechanism arranged to transmit mechanical driving force from the output shaft of the internal combustion engine to a second input shaft and to put any one of a second set of gears in an engaged state to connect the second input shaft to the ground engaging members; a controllable first clutch unit arranged to bring the output shaft of the internal combustion engine and the first input shaft into engagement with each other; a controllable second clutch unit arranged to bring the output shaft of the internal combustion engine and the second input shaft into engagement with each other, and an electronic contr
    Type: Application
    Filed: June 12, 2013
    Publication date: May 5, 2016
    Applicant: VOLVO TRUCK CORPORATION
    Inventors: Anders HEDMAN, Lars-Erik THEODORSSON