Patents by Inventor Wilhelm Konrad

Wilhelm Konrad 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).

  • Hydraulic engine mount
    Patent number: 4997170
    Abstract: A mount is formed from a rubber-metal mount and a damping device inserted therein. The rubber-metal mount is comprised of two support members interconnected by an elastomer member. The damping device has an inner hydraulic chamber and an outer hydraulic chamber which are interconnected through throttle passages and an annular passage. When the mount is to be used for operation without the damping device, the damping device is simply omitted.
    Type: Grant
    Filed: November 20, 1989
    Date of Patent: March 5, 1991
    Assignee: General Motors Corporation
    Inventors: Jurgen Roos, Wilhelm Konrad
  • Hydraulic engine mount
    Patent number: 4971298
    Abstract: An engine mount has two support members which are interconnected by an elastomer element. The elastomer element is surrounded on its outer side by an annular chamber that forms a first hydraulic chamber to effect hydraulic damping of the engine mount. A second hydraulic chamber is provided inside the elastomer element. And the hydraulic chambers are in fluid communication with one another via throttle passages and an annular passage.
    Type: Grant
    Filed: October 12, 1989
    Date of Patent: November 20, 1990
    Assignee: General Motors Corporation
    Inventors: Jurgen Roos, Wilhelm Konrad