Patents by Inventor Timothy Vernon Schafer

Timothy Vernon Schafer 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).

  • Piston cooling oil control valve
    Patent number: 5819692
    Abstract: An engine lubricating system has a branch passage for supplying oil to spray nozzles targeted against the engine pistons for piston cooling purposes. A tubular valve element is slidably positioned in the main oil passage for controlling the flow of oil into the branch passage in accordance with the need for piston cooling. The tubular valve element is operated by a thermostatic power element in the main passage.
    Type: Grant
    Filed: May 1, 1997
    Date of Patent: October 13, 1998
    Inventor: Timothy Vernon Schafer