Valve operating system of internal combustion engine

Details Valve operating system of internal combustion engine Valve operating system of internal combustion engine

1989-07-20

1990-03-20

Myhre, Charles J.

Internal-combustion engines

Poppet valve operating mechanism

With means for varying timing

123 9044, F01L 134

Patent

active

049091956

ABSTRACT:
For switching over the operation mode of at least one engine valve, a connection means or a switchover pin is disposed to connect a plurality of valve operating means or rocker arms integrally or release such connection and a detection means is disposed to detect a moved position of the connection means or switchover pin. Thereby, it is checked whether the operation mode of the engine valve is in conformance with the connected state or the connection released state of the valve operating means, and therefore an operationally locked condition of the connection means or the switchover pin is detected, for example.

REFERENCES:
patent: 4537165 (1985-08-01), Honda et al.
patent: 4611558 (1986-09-01), Yoshizaki et al.
patent: 4656977 (1987-04-01), Nagahiro et al.
patent: 4727831 (1988-03-01), Nagahiro et al.
patent: 4790274 (1988-12-01), Inoue et al.

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