Apparatus for controlling the amount of secondary air fed into a

Details Apparatus for controlling the amount of secondary air fed into a Apparatus for controlling the amount of secondary air fed into a

1979-05-10

1980-09-30

Myhre, Charles J.

Internal-combustion engines

Charge forming device

Multiple carburetors

123440, F02B 300

Patent

active

042249112

ABSTRACT:
An apparatus for controlling the amount of secondary air fed into an internal combustion engine which includes means for controlling the response speed of a secondary air flow control means in accordance with an electrical signal. This signal is generated by integrating the value of an intake air amount signal, which is generated by multiplying the rotational speed of the engine and the load of the engine, in an interval direction determined by an equivalent air-fuel ratio condition of the engine. Thus, the equivalent air-fuel ratio can be controlled with a response speed corresponding to the amount of the flow of the exhaust gas. Furthermore, excessive control of the equivalent air-fuel ratio can be prevented.

REFERENCES:
patent: 3858561 (1975-06-01), Aono
patent: 3971354 (1976-07-01), Lucharo et al.
patent: 4040394 (1977-08-01), Wahl et al.
patent: 4138979 (1979-02-01), Taplin
patent: 4166437 (1979-09-01), Bianchi et al.
patent: 4170769 (1979-10-01), Asano

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