Internal-combustion engines – Engine speed regulator – Idle speed control
Patent
1978-12-20
1981-09-15
Argenbright, Tony M.
Internal-combustion engines
Engine speed regulator
Idle speed control
623231, 74860, 123360, 123585, F02D 902
Patent
active
042891000
ABSTRACT:
The amount of secondary air flowing through a bypass air passage bypassing the throttle valve of an engine, which is connected to an automatic transmission of a vehicle having an air-conditioner, is controlled by an air control valve disposed in the bypass air passage. The air control valve is controlled on the basis of the result of comparison between a signal indicative of the actual idling rotation speed of the engine detected by the distributor of the engine and a reference signal indicative of a desired idling rotation speed of the engine. The level of this reference signal indicative of the desired idling rotation speed of the engine varies depending on the on-off of the air-conditioner in the vehicle or on the position of the shift lever of the automatic transmission.
REFERENCES:
patent: 3103128 (1963-09-01), Gordon
patent: 3146844 (1964-09-01), Carlson
patent: 3252539 (1966-05-01), Ott et al.
patent: 3253774 (1966-05-01), Dietrich
patent: 3724230 (1973-04-01), Muto et al.
patent: 4161928 (1979-07-01), Teague et al.
patent: 4181104 (1980-01-01), Shinoda
patent: 4191051 (1980-03-01), Kawata et al.
patent: 4203395 (1980-05-01), Cromas et al.
Kinugawa Masumi
Omori Norio
Sueishi Motoharu
Argenbright Tony M.
Nippondenso Co. Ltd.
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