Air intake side secondary air supply system for an internal comb

Details Air intake side secondary air supply system for an internal comb Air intake side secondary air supply system for an internal comb

1984-07-31

1985-12-24

Feinberg, Craig R.

Internal-combustion engines

Charge forming device

Crankcase vapor used with combustible mixture

123587, 123589, F02M 2506

Patent

active

045599173

ABSTRACT:
An air intake side secondary air supply system for an internal combustion engine equipped with an exhaust gas recirculation (EGR) system, employing a single source of control pressure for supplying a control pressure both into an air control valve for controlling the amount of the air intake side secondary air and an EGR control valve for controlling the amount of exhaust gas recirculation. The system is provided with a delay means for delaying the transmission of a fluctuation of pressure in the pressure chamber of the air control valve to a pressure chamber of the EGR control valve, thereby preventing adverse effects on the EGR operation due to an interaction between the air intake side secondary air supply system and the EGR system.

REFERENCES:
patent: 4007719 (1977-02-01), Brettschneider
patent: 4037406 (1977-07-01), Hartel
patent: 4304210 (1981-12-01), Hayakawa
patent: 4359034 (1982-11-01), Mase et al.
patent: 4416239 (1983-11-01), Takase et al.
patent: 4483308 (1984-11-01), Hasegawa

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