Patents by Inventor Robin J. Schrage

Robin J. Schrage 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).

  • Exhaust elbow trough
    Patent number: 4845945
    Abstract: A water jacketed exhaust elbow (10) for a marine propulsion system includes an intake exhaust passage (22) communicating with a discharge exhaust passage (26), a water jacket (27) around the exhaust passages, and a trough member (200) extending longitudinally along a water channel (44) along the exterior of the discharge exhaust passage (26) to guide water therealong to mix with exhaust at the end (42) of the discharge exhaust passage (26). The trough member (200) extends beyond the end tip (42) of the discharge exhaust passage (26) and has a sharp edge (202) providing a clean parting surface for the coolant water and preventing ingestion of water back into the discharge exhaust passage (26).
    Type: Grant
    Filed: October 12, 1988
    Date of Patent: July 11, 1989
    Assignee: Brunswick Corporation
    Inventors: Steven L. Widmer, Robin J. Schrage, Jeffery L. White, John H. Gundert