Valve train for internal combustion engine

Details Valve train for internal combustion engine Valve train for internal combustion engine

2006-10-17

2006-10-17

Denion, Thomas (Department: 3748)

Internal-combustion engines

Poppet valve operating mechanism

With means for varying timing

C123S090200, C123S090150, C123S090270, C123S090310

Reexamination Certificate

active

07121239

ABSTRACT:
A valve train including a cylinder having a cylinder axis and a cylinder head, the valve train has a first operating mechanism including a cam follower driven by a first valve train cam provided on a cam shaft so as to open and close the first engine valve and a drive mechanism having a drive shaft for moving a supporting position of the cam follower to thereby change a valve operation characteristic of the first engine valve, and a second operating mechanism including a second cam follower driven by a second valve train cam so as to open and close the second engine valve, wherein the drive shaft of the drive mechanism is arranged at a position lower than the cam shaft and between the first and the second engine valve in a reference direction.

REFERENCES:
patent: 6615781 (2003-09-01), Tanaka et al.
patent: 07-063023 (1995-03-01), None

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