Motor vehicle air-fuel ratio automatic control device

Details Motor vehicle air-fuel ratio automatic control device Motor vehicle air-fuel ratio automatic control device

1992-06-25

1993-06-01

Kamen, Noah P.

Internal-combustion engines

Charge forming device

Auxiliary air or gas used to inject fuel

F02B 300

Patent

active

052150631

ABSTRACT:
A motor vehicle air-fuel ratio automatic control device comprises an electromagnetic valve electrically connected to the generator of a motor vehicle to control the passageway of an air loop to the fuel pipe of the motor vehicle. Starting the engine of the motor vehicle causes the electromagnetic valve to open the passageway to supply additional air to the fuel pipe so as to increase the proportion of air in the air-fuel ratio. Stopping the engine of the motor vehicle causes the electromagnetic valve to be electrically disconnected so that the passageway is closed whereby the proportion of air in the air-fuel ratio is reduced to enable a subsequent easy starting of the engine.

REFERENCES:
patent: 4376423 (1983-03-01), Knapstein
patent: 4387696 (1983-06-01), Yogo et al.
patent: 4556037 (1985-12-01), Wisdom

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