Patents by Inventor Hermut Lamm

Hermut Lamm 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).

  • Arrangement for influencing the speed of a compressor of a refrigerating system
    Patent number: 4800730
    Abstract: The V-belt drive (30, 32) between a drive engine (M) and the compressor (10) is constructed as V-belt drive of infinitely variable transmission ratio having at least one cone pulley pair (20). Connected to the evaporator (14) is a pressure line (24) via which the pressure from the evaporator acts directly on an actuating drive (22) associated with the cone pulley pair (20), whereby said drive adjusts the cone pulleys of the cone pulley pair proportionally to changes of the pressure and thus adjusts the speed of the compressor (10) so that the pressure in the evaporator (14) is kept constant. The arrangement is suitable in particular for use in the refrigerating system of motor vehicles, for example for refrigerating and air-conditioning purposes.
    Type: Grant
    Filed: March 27, 1986
    Date of Patent: January 31, 1989
    Assignee: Suetrak Transportkaelte GmbH
    Inventors: Wolfgang E. Hipfl, Hermut Lamm, Gunter Poschl