Patents by Inventor Chris G. Swansegar

Chris G. Swansegar 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).

  • Relay valve with integral biased double check valve
    Patent number: 6179391
    Abstract: A braking system is able to meet emergency stopping distance requirements associated with a failed rear axle service control line by modifying the service relay valve. The service relay valve incorporates a biased double check valve so that an additional or secondary control line from the foot control valve communicates with the service port of the relay valve. If the primary circuit is operational, a biasing force imposed on the double check valve permits normal operation via the primary service line. On the other hand, if the primary service line is lost, the biasing force is overcome and communication between the secondary service line and the service port of the relay valve is established.
    Type: Grant
    Filed: February 1, 1999
    Date of Patent: January 30, 2001
    Assignee: AllliedSignal Truck Brake Systems Company
    Inventors: Charles E. Eberling, Gary R. Hendershot, John J. Kemer, Andrew Marsh, Richard T. Ross, Chris G. Swansegar