Patents by Inventor Walter K. Fuelberth

Walter K. Fuelberth 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).

  • Two-speed drive arrangement
    Patent number: 4938738
    Abstract: A two-speed drive arrangement has input and output shafts operatively interconnected by a clutch and a planetary gear arrangement. The clutch us selectively movable to three positions to establish the direct drive, bypassing the planetary gear arrangement, a reduction drive through the planetary gear arrangement and a neutral condition. In both the neutral condition and the direct drive, the planetary gear arrangement is free of direct rotary influence from the input and output shafts and components thereof may remain stationary.
    Type: Grant
    Filed: May 22, 1989
    Date of Patent: July 3, 1990
    Assignee: General Motors Corporation
    Inventors: Walter K. Fuelberth, Andrew Fedor, Jr., Richard J. Murphy
  • Torque biased differential mechanism
    Patent number: 4916973
    Abstract: A four wheel drive vehicle has a torque biased inter-axle differential comprising a fluid coupling which is driven by a planetary gear set which multiplies the speed difference between the outputs of the differential.
    Type: Grant
    Filed: May 20, 1988
    Date of Patent: April 17, 1990
    Assignee: General Motors Corporation
    Inventors: Walter K. Fuelberth, Andrew Fedor, Jr.