Patents by Inventor Damasius B. Wickramasuriya

Damasius B. 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).

  • Inlet manifold
    Patent number: 4622931
    Abstract: An inlet manifold which has long inlet tracts 12 has valves 26,28 at the downstream ends of the tracts to control the air flow close to the cylinder head 24. Sufficient air for engine idle enters the cylinder head through a bypass passage 42. The valves, which are all linked together, are provided by a rotary spool inside a cylindrical bore which is integrally cast with the manifold. A valving portion 30 is associated with each tract.
    Type: Grant
    Filed: June 27, 1985
    Date of Patent: November 18, 1986
    Assignee: Ford Motor Company
    Inventor: Damasius B. Wickramasuriya