Patents by Inventor Robert Shawn Lebold

Robert Shawn Lebold 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: 6494041
    Abstract: A total pressure exhaust gas recirculation duct system includes a turbocharger having a turbine inlet scroll, an exhaust gas recirculation duct and a valve assembly disposed between a port and inlet scroll and the inlet to the exhaust gas recirculation duct. The valve is situated so that the valve blade member extends from the inlet scroll port into the exhaust gas stream to divert a portion of the exhaust gas into the EGR duct. The valve has a pivot shaft disposed within a corresponding channels of the inlet scroll housing and the EGR duct with a free end extending beyond the inlet scroll and the EGR duct for actuation of the valve. Alternatively, the valve can include a blade element attached to the distal end of an actuating rod and positioned in the port of the inlet scroll. The proximal end of the actuation rod extends through a passageway in the EGR duct or the inlet scroll for actuation of the valve.
    Type: Grant
    Filed: July 2, 2001
    Date of Patent: December 17, 2002
    Assignee: BorgWarner, Inc.
    Inventor: Robert Shawn Lebold