×

System and method for performing partial cylinder cut-off of internal combustion engine

  • US 20020189574A1
  • Filed: 04/02/2002
  • Published: 12/19/2002
  • Est. Priority Date: 06/14/2001
  • Status: Active Grant
First Claim
Patent Images

1. A system for performing partial cylinder cut-off of an internal combustion engine, comprising:

  • a rocker arm including first and second arms selectively operable jointly or independently;

    a rocker arm connecting unit selectively joining said first and second arms for joint operation;

    a separation-preventing unit interposed between the rocker arm and the rocker arm connecting unit, the separation-preventing unit preventing separation of the rocker arm from the rocker arm connecting unit; and

    a hydraulic pressure supply to supply and exhaust hydraulic pressure to and from the rocker arm connecting unit wherein supplied pressure activates said connecting unit for said joint operation.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×