Secondary air supply control device in internal combustion engin

Details Secondary air supply control device in internal combustion engin Secondary air supply control device in internal combustion engin

1985-09-05

1986-04-22

Hart, Douglas

Power plants

Internal combustion engine with treatment or handling of...

Having means analyzing composition of exhaust gas

60290, 60293, F02B 7510

Patent

active

045833630

ABSTRACT:
A device for controlling the supply of secondary air in an internal combustion engine, having a secondary air control valve and a reed valve provided in the secondary air supply path and having a control circuit for receiving the output signal of an O.sub.2 sensor and producing a control signal for air-bleeding control valves of a carburetor for the engine. The secondary air control valve is controlled in accordance with the opening degree of a throttle valve of the carburetor.

REFERENCES:
patent: 3974651 (1976-08-01), Nakajima
patent: 4068472 (1978-01-01), Takata
patent: 4075834 (1978-02-01), Saito
patent: 4149376 (1979-04-01), Masaki et al.
patent: 4165611 (1979-08-01), Ishikawa
patent: 4169352 (1979-10-01), Iwata
patent: 4257227 (1981-03-01), Sato
patent: 4376427 (1983-03-01), Mizuno

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