Variable valve system of internal combustion engine

Details Variable valve system of internal combustion engine Variable valve system of internal combustion engine

2007-01-09

2007-01-09

Denion, Thomas (Department: 3748)

Internal-combustion engines

Poppet valve operating mechanism

With means for varying timing

C123S090150, C123S090310, C029S888100, C092S120000, C092S121000, C092S122000, C092S128000, C464S001000, C464S002000, C464S160000

Reexamination Certificate

active

11154822

ABSTRACT:
A camshaft is formed at a generally middle portion with an enlarged cylindrical portion. An annular vane member is mounted on the enlarged cylindrical portion and secured thereto by means of a nut. An annular housing or sprocket is arranged to receive therein the annular vane member in a manner to permit a rotation of the vane member relative to the annular housing. Each of a circular opening of the vane member and a circular opening of the annular housing is so sized as to permit cam lobes of the camshaft to pass therethrough.

REFERENCES:
patent: 6510827 (2003-01-01), Schreeck et al.
patent: 10-008988 (1998-01-01), None

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