Patents by Inventor Rudiger Lichnofsky

Rudiger Lichnofsky 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).

  • Fluid friction clutch, utilizing fluid shear force between clutch plates and camming of plates together to increase fluid shears forces, especially for differential gears of motor vehicles
    Patent number: 4683998
    Abstract: A fluid friction clutch for use in differential gears of motor vehicles having a sliding member which has a adjusting disc which changes the spacing of the clutch plates, which adjusting causes the clutch plates to approach closer to one another and increases the clutch torque provided by a viscuous fluid of the fluid of the clutch. Adjustment takes place via starting slopes which are assigned to a cam driving connection employing a special development of the starting slopes with the torque characteristics being changed in a predetermined manner.
    Type: Grant
    Filed: November 22, 1985
    Date of Patent: August 4, 1987
    Assignee: Bayerische Motoren Werke AG
    Inventors: Saffet Cigdem, Rudiger Lichnofsky, Harry Martin