Valve driving control apparatus in an internal combusiton engine

Details Valve driving control apparatus in an internal combusiton engine Valve driving control apparatus in an internal combusiton engine

1982-11-30

1985-05-07

Lazarus, Ira S.

Internal-combustion engines

Accessories

Covers, trays, vibrators, corrosion inhibitors, air filters

123 9016, 123 9027, F01L 134, F02D 1306

Patent

active

045151210

ABSTRACT:
A valve driving control apparatus in an internal combustion engine comprises a plurality of power cylinders each having a plurality of intake and exhaust reciprocating valves which are made operative or inoperative depending upon the load conditions of the engine.
This apparatus selectively makes the valves operative or inoperative according to a control signal which is generated in a control circuit in response to the engine rotational speed. A part of the intake valves and a part of the exhaust valves are made inoperative in a low rotational speed range of the internal combustion engine. A part of the intake valves is made inoperative and all of the exhaust valves are made operative in a medium rotational speed range. All of the intake and exhaust valves are made operative in a high rotational speed range.

REFERENCES:
patent: 3641988 (1972-02-01), Torazza et al.
patent: 3911879 (1975-10-01), Altmann
patent: 4203397 (1980-05-01), Soeters, Jr.
patent: 4237832 (1980-12-01), Hartig et al.
patent: 4245596 (1981-01-01), Bruder et al.
patent: 4256070 (1981-03-01), Mueller
patent: 4284042 (1981-08-01), Springer
patent: 4285310 (1981-08-01), Takizawa et al.
patent: 4336775 (1982-06-01), Meyer
patent: 4337738 (1982-07-01), Bubniak et al.
patent: 4363300 (1982-12-01), Honda

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