System and method for controlling exhaust gas recirculation

Details System and method for controlling exhaust gas recirculation System and method for controlling exhaust gas recirculation

1980-05-12

1981-11-17

Burns, Wendell E.

Internal-combustion engines

Charge forming device

Crankcase vapor used with combustible mixture

123568, 180309, F02M 2506

Patent

active

043005160

ABSTRACT:
An exhaust gas recirculation control system for an internal combustion engine of a motor vehicle, comprising an exhaust gas recirculation control valve for controlling exhaust gas recirculated back to the engine when opened, and means for fully opening the exhaust gas recirculation control valve for a predetermined period of time when operating condition of the vehicle reaches a predetermined level, thereby preventing exhaust gas recirculation from performing with a delayed time relative to a required timing.

REFERENCES:
patent: 3828552 (1974-08-01), Nishiguchi
patent: 3906207 (1975-09-01), Rivere et al.
patent: 4056083 (1977-11-01), Wakita
patent: 4100891 (1978-07-01), Williams
patent: 4163282 (1979-07-01), Yamada et al.

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