Exhaust gas recirculation system

Details Exhaust gas recirculation system Exhaust gas recirculation system

1977-06-21

1978-12-05

Burns, Wendell E.

Internal-combustion engines

Intake manifold

Manifold tuning, balancing or pressure regulating means

F02M 2506

Patent

active

041280903

ABSTRACT:
A pressure regulating unit modulates the vacuum present in the vacuum chamber of a vacuum motor operatively connected to an EGR control valve, in response to the pressure differential between the pressure in the EGR passage, between a restriction and the EGR control valve, and the pressure immediately downstream of a restriction in the exhaust conduit, the latter restriction being located downstream of the junction of the EGR passage and the exhaust conduit.

REFERENCES:
patent: 3814070 (1974-06-01), Wertheimer
patent: 3834366 (1974-09-01), Kingsbury
patent: 3926161 (1975-12-01), Wertheimer
patent: 3931813 (1976-01-01), Horie et al.
patent: 3982515 (1976-09-01), Bradshaw
patent: 4031871 (1977-06-01), Hamanishi
patent: 4033306 (1977-07-01), Kunihiko et al.
patent: 4041917 (1977-08-01), Suzuki
patent: 4056084 (1977-11-01), Bumgartner
patent: 4069797 (1978-01-01), Nohira et al.

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