Patents by Inventor Damasius B. I. Wickramasuriya

Damasius B. I. Wickramasuriya 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).

  • Internal combustion engine
    Patent number: 4458641
    Abstract: An internal combustion engine comprises a cylinder head (1), a camshaft (2) mounted thereon, a rocker cover (4) and a rotary vacuum pump (10) mounted on the cylinder head (1) within the rocker cover (4) and driven by the camshaft (2), providing compact packaging and low noise levels. The vacuum pump is lubricated from the camshaft via the pump exhaust port (30) discharging air into the rocker cover.
    Type: Grant
    Filed: November 9, 1983
    Date of Patent: July 10, 1984
    Assignee: Ford Motor Company
    Inventor: Damasius B. I. Wickramasuriya