Internal combustion engine

Details Internal combustion engine Internal combustion engine

1980-03-26

1983-07-05

Cox, Ronald B.

Internal-combustion engines

Accessories

Covers, trays, vibrators, corrosion inhibitors, air filters

123481, 123568, 123571, F02D 1703

Patent

active

043912400

ABSTRACT:
An internal combustion engine is disclosed which includes an active cylinder unit always active and an inactive cylinder unit being inactive when the engine load is below a predetermined value. The engine has an intake passage divided into first and second branches leading to the active and inactive cylinder units, respectively. The second intake passage branch is connected through an EGR passage to the exhaust passage of the engine. The second intake passage branch has therein a stop valve and the EGR passage having therein an EGR valve. Means are provided for closing the stop valve and opening the EGR valve at a predetermined time after a low engine load condition occurs.

REFERENCES:
patent: 3958900 (1976-05-01), Ueno
patent: 4257372 (1981-03-01), Etoh
patent: 4274373 (1981-06-01), Sugasawa
patent: 4276863 (1981-07-01), Sugasawa
patent: 4292938 (1981-10-01), Tanaka
"Mot Technik", Published Feb., 1979, pp. 36-38.

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