Patents by Inventor Paul Francis Danahy

Paul Francis Danahy 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: 5878779
    Abstract: An EGR valve useful for metering exhaust gas to the intake of an internal combustion engine is disclosed. The EGR valve includes a base member through which exhaust gas passes and in which is disposed a valve member. An actuator housing is constructed with integral, hollow leg members for mounting the actuator to the base and also includes a valve stem passage which sealingly engages an opening in the base to provide a leak-free passage for the valve from the base to the actuator. A solenoid assembly disposed within the housing includes a bottom portion which is configured with openings to support fasteners which pass through the bottom and the hollow housing legs to engage corresponding faster openings in the base to fix the actuator housing to the base by placing the legs in compression thereagainst.
    Type: Grant
    Filed: August 29, 1996
    Date of Patent: March 9, 1999
    Assignee: General Motors Corporation
    Inventors: Raul Armando Bircann, Dwight Orman Palmer, Paul Francis Danahy