Exhaust gas recirculation system

Details Exhaust gas recirculation system Exhaust gas recirculation system

1975-06-09

1977-07-05

Burns, Wendell E.

Internal-combustion engines

Intake manifold

Manifold tuning, balancing or pressure regulating means

F02M 2506

Patent

active

040333060

ABSTRACT:
A valve, the opening degree of which is decreased with rise in the intake manifold vacuum is located in an exhaust gas recirculation conduit at the downstream of another valve, the opening degree of which is increased with rise in the vacuum at a port opening to the carburetor in the neighborhood of the periphery of the throttle valve in its closed position.

REFERENCES:
patent: 3507260 (1970-04-01), Walker
patent: 3768452 (1973-10-01), Lewis
patent: 3842814 (1974-10-01), Bier
patent: 3924587 (1975-12-01), Murphy

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