Patents by Inventor Francis Doncker

Francis Doncker 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).

  • Mounting arrangement for vehicle engine and the like
    Patent number: 4852533
    Abstract: In the case of a shearing element that can be used as an engine mounting in a motor vehicle, an elastic damping body that is developed in the way of a rubber--metal mounting and a shearing unit are provided in a mechanical parallel connection for supporting the engine at the body. It is their purpose to avoid, in the natural-vibration range of the mounting--mass system, an excessive increase of the amplitudes in the case of a resonance.
    Type: Grant
    Filed: November 16, 1987
    Date of Patent: August 1, 1989
    Assignee: Daimler-Benz Aktiengesellschaft
    Inventors: Francis Doncker, Rolf Helber, Gerhard Welzel, Richard Bung