Valve train device for engine

Details Valve train device for engine Valve train device for engine

2007-01-30

2007-01-30

Denion, Thomas (Department: 3748)

Internal-combustion engines

Poppet valve operating mechanism

With means for varying timing

C123S090150, C123S090390

Reexamination Certificate

active

11263573

ABSTRACT:
A valve train device for an engine for driving a valve which opens and closes a valve opening of a combustion chamber comprises: a valve drive device comprising a drive member and driving force transmission mechanism. The drive force transmission mechanism is configured to transmit a driving force from the drive member to the valve. The drive force transmission mechanism comprises a transmission portion configured to transmit the driving force from the drive member to the valve and a variable portion configured to continuously change a state of the transmission portion to thereby continuously change an opening duration of the valve or the amount of valve lift. At least part of the variable portion is positioned within in the transmission portion.

REFERENCES:
patent: 6425357 (2002-07-01), Shimizu et al.
patent: 02241916 (1990-09-01), None

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