Valve timing control system for internal combustion engine

Details Valve timing control system for internal combustion engine Valve timing control system for internal combustion engine

1983-09-09

1987-03-24

Cline, William R.

Internal-combustion engines

Poppet valve operating mechanism

With means for varying timing

123315, 123348, 123432, F01L 134

Patent

active

046516840

ABSTRACT:
In an internal combustion engine having a pair of intake valves, the valve driving system for timing the intake valves is provided with a valve timing changing mechanism for changing the timing of at least one of the intake valves. The valve timing changing mechanism retards or advances the timing of said one intake valve to change the total intake valve opening time, i.e., the time that at least one of the intake valves is open, according to the operating condition of the engine.

REFERENCES:
patent: 3211137 (1965-10-01), Love
patent: 3403663 (1968-10-01), Wagner
patent: 4285310 (1981-08-01), Takizawa et al.
patent: 4300504 (1981-11-01), Tezuka
patent: 4446825 (1984-05-01), Geardini et al.

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