Tapered Patents (Class 123/190.7)
  • Variable travel valve apparatus for an internal combustion engine
    Patent number: 10309266
    Abstract: An apparatus includes a valve and an actuator. The valve has a portion movably disposed within a valve pocket defined by a cylinder head of an engine. The valve is configured to move relative to the cylinder head a distance between a closed position and an opened position. The portion of the valve defines a flow opening that is in fluid communication with a cylinder of an engine when the valve is in the opened position. The actuator is configured to selectively vary the distance between the closed position and the opened position.
    Type: Grant
    Filed: September 25, 2015
    Date of Patent: June 4, 2019
    Assignee: JP Scope, Inc.
    Inventors: Charles E. Price, Howard E. Moore, Kelly E. Stephenson
  • Upside-down square-up valve stem seal
    Patent number: 7299779
    Abstract: A valve stem seal of an internal combustion engine is described wherein the valve stem seal includes an outer peripheral surface and an inner sealing surface. The inner sealing surface minimizes ingress of a liquid upwardly from an intake port area into an overhead engine area by having at least one sealing lip disposed on an upper portion of the inner sealing surface and extending away from the inner sealing surface. The sealing lip includes a generally square lower corner.
    Type: Grant
    Filed: September 28, 2005
    Date of Patent: November 27, 2007
    Assignee: Dana Corporation
    Inventors: Timothy A. Hegemier, Cathy Stamback, legal representative, Mark A. Stamback, deceased