Exhaust gas recirculation system

Details Exhaust gas recirculation system Exhaust gas recirculation system

1978-02-07

1980-02-05

Burns, Wendell E.

Internal-combustion engines

Intake manifold

Manifold tuning, balancing or pressure regulating means

F02M 2506

Patent

active

041866991

ABSTRACT:
An exhaust gas recirculation system comprises a valve assembly for controlling the recirculation of exhaust gases in such a manner as to maintain a difference between a first and second pressure at a predetermined value. The first pressure is a pressure in a zone in an air induction passage between a throttle valve therein and a flow restrictor disposed therein downstream of the throttle valve, while the second pressure is a pressure in a zone in an exhaust gas recirculation passage between an exhaust gas recirculation flow control valve member and a second flow restrictor disposed therein downstream of the valve member.

REFERENCES:
patent: 4013052 (1977-03-01), Masaki et al.
patent: 4031871 (1977-06-01), Hamanishi
patent: 4041917 (1977-08-01), Suzuki
patent: 4109624 (1978-08-01), Washio et al.
patent: 4122808 (1978-10-01), Vogelsberg
patent: 4124004 (1978-11-01), Aoyama
patent: 4128090 (1978-12-01), Aoyama
patent: 4142496 (1979-03-01), Saito et al.

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