Valve actuation system with valve seating control

Details Valve actuation system with valve seating control Valve actuation system with valve seating control

2007-01-02

2007-01-02

Denion, Thomas (Department: 3748)

Internal-combustion engines

Poppet valve operating mechanism

Tappet

C123S090430, C123S090390, C123S090450

Reexamination Certificate

active

10826404

ABSTRACT:
A variable valve actuation system to actuate and control the seating velocity of an internal combustion engine valve is disclosed. The system comprises: a housing; a lost motion system disposed in the housing; a rocker arm having a first contact surface, a second contact surface, and a third contact surface, the first contact surface operatively contacting the engine valve, and the second contact surface operatively contacting the lost motion system; and a valve seating device disposed in the housing, operatively contacting the third contact surface.

REFERENCES:
patent: 5960756 (1999-10-01), Miyachi et al.
patent: 2004/0065285 (2004-04-01), Uludogan et al.

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