Apparatus for controlling the air-fuel ratio for an internal com

Details Apparatus for controlling the air-fuel ratio for an internal com Apparatus for controlling the air-fuel ratio for an internal com

1987-03-20

1988-02-16

Dolinar, Andrew M.

Internal-combustion engines

Charge forming device

Including cylinder pressure or temperature responsive means

123585, F02D 4114

Patent

active

047248122

ABSTRACT:
An apparatus for controlling the air-fuel ratio for an internal combustion engine and which includes a flame sensor provided in the vicinity of a spark plug within an engine combustion chamber, an air induction passage for bypassing a throttle valve of a carburetor, an electromagnetic valve disposed in the air induction passage to control an amount of air flowing through the air induction passage, and an electronic control unit actuating the electromagnetic valve by means of input electric signals from the flame sensor and including a control MAP based on a mutual relation between an air-fuel ratio and a time of firing.

REFERENCES:
patent: 4285319 (1981-08-01), Hattori et al.
patent: 4377140 (1983-03-01), Latsch
patent: 4462368 (1984-07-01), Funada
patent: 4465046 (1984-08-01), May
patent: 4489596 (1984-12-01), Linder et al.
patent: 4535740 (1985-08-01), Ma
patent: 4561394 (1985-12-01), Kishida et al.

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