Patents by Inventor Otto Meyer

Otto Meyer 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).

  • Thermal timer valve
    Patent number: 4221204
    Abstract: A thermal timer valve for temperature-dependent operation of accessory devices of a fuel mixture preparation system of a combustion engine. The valve has a membrane chamber acted upon by intake pipe or manifold negative pressure. The membrane is connected to a rod which on one end has a valve closure element and on the other end a piston located in an oil chamber. The oil chamber may have an adjustable overflow channel. A disk check valve may be associated with the piston. Also there may be an overflow channel with a compensation chamber.
    Type: Grant
    Filed: February 1, 1979
    Date of Patent: September 9, 1980
    Assignee: Pierburg GmbH & Co., KG
    Inventor: Otto Meyer