Patents Represented by Law Firm MacLean, Jr., Kenneth H.
  • Emission control valve with gas flow shut-off
    Patent number: 4905657
    Abstract: A gas flow control valve for engine crankcase emissions includes an enclosure and a hollow valve element which is supported on a rod to permit sliding movements in response to a balance of forces produced by gas pressure and a closing spring located within the hollow control valve element. Vanes straighten gas flow to prevent oscillation and rotation of the valve element.
    Type: Grant
    Filed: August 29, 1988
    Date of Patent: March 6, 1990
    Assignee: Chrysler Motors Corporation
    Inventors: Joseph T. Betterton, Alfred H. Glover, Thomas S. McKee, Chris S. Romanczuk