Patents by Inventor Andreas Pfenning

Andreas Pfenning 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 damping two-chamber engine mount
    Patent number: 6357730
    Abstract: A hydraulic damping two-chamber engine mount includes a working chamber and a compensating chamber filled with a hydraulic fluid. The chambers are separated by an intermediate plate in which an overflow passage, at least one switchable bypass passage and an isolating diaphragm are disposed. The isolating diaphragm is rotatable through the use of an actuator into a first rotatable position closing the bypass passage and a second rotatable position opening the bypass passage.
    Type: Grant
    Filed: May 22, 2000
    Date of Patent: March 19, 2002
    Assignee: BTR AVS Technical Centre GmbH
    Inventors: Mathias Gugsch, Andreas Pfenning