Valve operating mechanism for internal combustion engine

Details Valve operating mechanism for internal combustion engine Valve operating mechanism for internal combustion engine

1986-07-31

1988-03-01

Argenbright, Tony M.

Internal-combustion engines

Poppet valve operating mechanism

With means for varying timing

123 9044, F01L 126

Patent

active

047278307

ABSTRACT:
A valve operating mechanism includes a camshaft rotatable in synchronism with rotation of an internal combustion engine and having a plurality of cams of different cam profiles. First, second, and third rocker arms are held in sliding contact with the cams, respectively, for operating the valves according to the cam profiles of the cams. The rocker arms are selectively interconnected and disconnected by first and second selective couplings to operate the valves at different valve timings in low, medium, and high speed ranges of the internal combustion engine.

REFERENCES:
patent: 4523550 (1985-06-01), Matsuura
patent: 4612884 (1986-09-01), Ajiki et al.
patent: 4656977 (1987-04-01), Magahiro et al.

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