Exhaust gas recirculation system

Details Exhaust gas recirculation system Exhaust gas recirculation system

1976-06-11

1977-11-08

Burns, Wendell E.

Internal-combustion engines

Intake manifold

Manifold tuning, balancing or pressure regulating means

F02M 2506

Patent

active

040570436

ABSTRACT:
An additional vacuum servo is provided to be associated with a vacuum servo of an air supply control valve controlling the amount of atmospheric air fed into a vacuum actuator of an EGR control valve and is operable, in response to the vacuum in the vacuum actuator reduced by the fed atmospheric air, to minutely adjust the degree of opening of the air supply control valve to minutely adjust the amount of the atmospheric air fed into the vacuum actuator.

REFERENCES:
patent: 2722927 (1955-11-01), Cornelius
patent: 3814070 (1975-06-01), Wertheimer
patent: 3835827 (1974-09-01), Wolgemuth
patent: 3885536 (1975-05-01), Marshall
patent: 3926161 (1975-12-01), Wertheimer
patent: 3931813 (1976-01-01), Horie et al.
patent: 3973535 (1976-08-01), Sugihara et al.
patent: 4009700 (1977-03-01), Engels
patent: 4013052 (1977-03-01), Masaki et al.

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