Intake air control system for an internal combustion engine

Details Intake air control system for an internal combustion engine Intake air control system for an internal combustion engine

1987-01-12

1988-02-16

Cuchlinski, Jr., William A.

Internal-combustion engines

Charge forming device

Auxiliary air or oxygen added to combustible mixture

123588, F02M 2304

Patent

active

047248181

ABSTRACT:
A bypass is provided around a throttle valve of an engine, and a solenoid operated on-off control valve provided in the bypass so as to control flow of intake air. When the engine is accelerated in the coasting of a vehicle, an acceleration signal is produced. In response to the acceleration signal, a driving pulse train is fed to the control valve so as to reduce the intake air flow in dependence on coolant temperature of the engine by the coolant temperature.

REFERENCES:
patent: 4599980 (1986-07-01), Collonia
patent: 4660533 (1987-04-01), Watabe et al.
patent: 4665883 (1987-05-01), Amano et al.
patent: 4672936 (1987-06-01), Abe

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