Internal combustion engine

Details Internal combustion engine Internal combustion engine

1980-06-20

1982-08-17

Cox, Ronald B.

Internal-combustion engines

Accessories

Covers, trays, vibrators, corrosion inhibitors, air filters

123481, F02B 7700, F02D 1702

Patent

active

043443931

ABSTRACT:
An internal combustion engine is disclosed which includes first and second cylinder units each including at least one cylinder, means for cutting off the supply of air and fuel to the second cylinder unit so as to render it inactive when the engine load is below a given value, a three-way catalytic converter for purifying the exhaust from the cylinders, a sensor exposed to the exhaust from the cylinders to provide a signal indicative of the air/fuel ratio at which the engine is operating, and means responsive to the signal from the sensor for controlling the fuel supplied to the engine to maintain the stoichiometric air/fuel ratio. Means is provided for introducing a predetermined amount of air into the second cylinder unit.

REFERENCES:
patent: 4249374 (1981-02-01), Sugasawa
patent: 4284056 (1981-08-01), Sugasawa

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