Fuel control apparatus

Details Fuel control apparatus Fuel control apparatus

1987-03-30

1988-09-06

Cox, Ronald B.

Internal-combustion engines

Charge forming device

Fuel injection system

123494, F02B 300

Patent

active

047684895

ABSTRACT:
A fuel control apparatus comprises a hot-wire type intake air quantity sensor disposed in an air intake passage for an internal combustion engine to detect the quantity of air passing therethrough, a fuel control valve placed in the air intake passage and injecting fuel, a burning-off section for heating a hot wire at a temperature higher than a temperature in a normal operation, after the engine has been stopped, so as to burn off a deposit on the hot wire, wherein the operation of an injector is stopped by detecting an output of the sensor for a predetermined time to thereby prevent undesired firing of the fuel.

REFERENCES:
patent: 4505248 (1985-03-01), Yazawa
patent: 4579098 (1986-04-01), Mattes

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