Air-fuel ratio controller of internal combustion engine

Details Air-fuel ratio controller of internal combustion engine Air-fuel ratio controller of internal combustion engine

1989-03-06

1990-04-10

Argenbright, Tony M.

Internal-combustion engines

Charge forming device

Fuel injection system

123440, 204425, F02D 4114

Patent

active

049150820

ABSTRACT:
An air-fuel ratio controller of an internal combustion engine stops current flow of an oxygen pump and power supply to an heater when the engine stops.
In one embodiment the A/F ratio controller related to the invention stops power supply to the heater a predetermined period of time after the engine stops.

REFERENCES:
patent: 4548179 (1985-10-01), Ninomiya et al.
patent: 4655182 (1987-04-01), Nakano et al.
patent: 4715343 (1987-12-01), Kinoshita
patent: 4721084 (1988-01-01), Kawanabe et al.
patent: 4753204 (1988-06-01), Kojima et al.
patent: 4765298 (1988-08-01), Kojima et al.

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