Patents by Inventor Friedemann Albers

Friedemann Albers 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).

  • Internal combustion engine having a retarder
    Patent number: 4380971
    Abstract: An internal combustion engine having a retarder and a heat exchanger which re-cools the retarder oil, with cooling air being supplied to the heat exchanger during the braking operation. The internal combustion engine is provided with an exhaust conduit in which is arranged a blocking device for closing off the exhaust conduit during the braking operation, with the thus retained gas flow being utilized for conveying the cooling-air flow to the retarder oil heat exchanger.
    Type: Grant
    Filed: August 4, 1981
    Date of Patent: April 26, 1983
    Assignee: Klockner-Humboldt-Deutz Aktiengesellschaft
    Inventors: Paul Tholen, Leo Lichtblau, Friedemann Albers, Dieter Esche