Patents by Inventor Ortwin Schamber

Ortwin Schamber 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).

  • Patent number: 4836168
    Abstract: In a liquid cooling system for an internal combustion engine, an expansion tank which is of a design comparable to that of the expansion tank of a domestic heating system is provided on the engine block with a jacket so that an expansion tank located at the highest point of the cooling system becomes unnecessary. A simple filler neck with a cap having a pressure relief valve and a vacuum valve is provided on the cooler for refilling cooling liquid.
    Type: Grant
    Filed: March 25, 1988
    Date of Patent: June 6, 1989
    Assignee: General Motors Corporation
    Inventors: Michael Polster, Ortwin Schamber