Patents by Inventor by Gregory R. Richardson, administrator

by Gregory R. Richardson, administrator 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).

  • Control valve for a wet clutch
    Patent number: 3964587
    Abstract: A control valve for the liquid reservoir of a liquid cooled friction clutch wherein the liquid in the clutch is circulated by a pitot tube pump in the cover plate assembly through a cooler and then to a fluid reservoir where the valve controls flow therefrom directed to and across the friction facings of a driven member. The valve in the reservoir is pressure operated to control the outlet for and automatically upon stoppage of the pump dumps the overfill of the reservoir to the clutch to prime the clutch and initiate circulation of the fluid to the pump upon a subsequent start-up of the vehicle.
    Type: Grant
    Filed: August 2, 1973
    Date of Patent: June 22, 1976
    Assignee: Borg-Warner Corporation
    Inventors: Ting M. Wang, Walter H. Richardson, deceased, by Gregory R. Richardson, administrator