Valve mechanism for an internal combustion engine

Details Valve mechanism for an internal combustion engine Valve mechanism for an internal combustion engine

1992-03-27

1993-10-12

Wolfe, Willis R.

Internal-combustion engines

Poppet valve operating mechanism

With means for varying timing

123 9044, F01L 134

Patent

active

052515869

ABSTRACT:
A valve mechanism has a low-speed cam and a high-speed cam, a low-speed rocker arm operatively connected with a valve and a high-speed rocker arm. A changeover pin is provided for connecting the low-speed rocker arm and the high-speed rocker arm to each other so as to be rocked together by the high-speed cam. The changeover pin is slidably mounted in the high-speed rocker arm. A flat engaging face is formed on a front portion of the changeover pin so as to be engaged with a shaft provided for connecting both of the rocker arms.

REFERENCES:
patent: 4373477 (1983-02-01), Buente et al.
patent: 4800851 (1989-01-01), Hertrich et al.
patent: 4854273 (1989-08-01), Uesugi et al.
patent: 4926804 (1990-05-01), Fukuo
patent: 5020488 (1991-06-01), Watanabe
patent: 5033420 (1991-07-01), Matayoshi et al.
patent: 5046462 (1991-09-01), Matayoshi et al.

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