Valve operating apparatus for an internal combustion engine

Details Valve operating apparatus for an internal combustion engine Valve operating apparatus for an internal combustion engine

1987-10-07

1988-07-26

Wolfe, Willis R.

Internal-combustion engines

Poppet valve operating mechanism

With means for varying timing

123 9017, 123 9044, F01L 124, F01L 126, F01L 134

Patent

active

047593229

ABSTRACT:
Valve operating apparatus is disclosed in which intake or exhaust valves of an internal combustion engine are operated by rocker arms driven by cams having different cam profiles and hydraulically operated coupling mechanisms for selectively connecting or disconnecting adjacent rocker arms to vary the operation of the valves under different engine operating conditions. Sensing means in the form of a piston displacement detecting device is included in the apparatus to monitor its operating condition.

REFERENCES:
patent: 4523550 (1985-06-01), Matsuura
patent: 4537164 (1985-08-01), Ajiki et al.
patent: 4537165 (1985-08-01), Honda et al.
patent: 4545342 (1985-10-01), Nakano et al.
patent: 4589387 (1986-05-01), Miura et al.
patent: 4656977 (1987-04-01), Nagahiro et al.

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