Patents Represented by Attorney, Agent or Law Firm Ryan C Stockett
  • Intake port sleeve for an internal combustion engine
    Patent number: 6817334
    Abstract: An engine includes a cylinder block having at least one cylinder bore, a cylinder head connected to the cylinder block, and an intake manifold connected to the cylinder head. The cylinder head includes an intake port located upstream of a cylinder bore of the at least one cylinder bore, the intake port providing a passageway between the intake manifold and a cylinder bore of the at least one cylinder bore. An intake port sleeve is located at least partially within the intake port.
    Type: Grant
    Filed: November 22, 2002
    Date of Patent: November 16, 2004
    Assignee: Caterpillar Inc
    Inventor: DeForest C. Gould