Patents by Inventor Péteŕ Schweizer

Péteŕ Schweizer 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).

  • Check valve
    Patent number: 6705348
    Abstract: A check valve is provided and has a housing having inlet and outlet openings and comprising two essentially planar plate portions. A thin steel plate that acts as a valve is disposed between the plate portions. Under the effective pressure, the valve opens in one direction and blocks flow in the opposite direction. The valve has at least one valve tongue, and the plate portions in the valve are fixedly connected together. One of the plate portions is associated with the discharge zone and in the vicinity of the valve tongue is provided with at least one arched portion for limiting opening of the valve tongue. The other plate portion has bores through which the exhaust gas can enter under overpressure.
    Type: Grant
    Filed: November 15, 2001
    Date of Patent: March 16, 2004
    Assignees: MAN Nutzfahrzeuge AG, Elring Klinger GmbH
    Inventors: Heribert Möller, Péteŕ Schweizer