Patents by Inventor Edward J. Greenan

Edward J. Greenan 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).

  • Flow control for oil in transit
    Patent number: 6044645
    Abstract: A power transmission has a hydraulic control from which oil is distributed to various transmission components, a cooler and reservoir. A flow direction control valve is disposed in the distribution system to direct oil in transit to the reservoir during cold operation and to a transmission lubrication circuit or cooling circuit during normal operating temperatures.
    Type: Grant
    Filed: August 7, 1998
    Date of Patent: April 4, 2000
    Assignee: General Motors Corporation
    Inventors: Edward J. Greenan, Bruce T. Levy, Tsunlock Andrew Yu, Alan Lee Brace