Exhaust gas recirculation system in an internal combustion engin

Details Exhaust gas recirculation system in an internal combustion engin Exhaust gas recirculation system in an internal combustion engin

1976-11-18

1978-06-06

Burns, Wendell E.

Internal-combustion engines

Intake manifold

Manifold tuning, balancing or pressure regulating means

F02M 2506

Patent

active

040929604

ABSTRACT:
A back pressure-controlled EGR system in an internal combustion engine comprising an EGR valve means with a pressure control chamber disposed in an EGR conduit connecting an exhaust pipe to an intake pipe of the engine, and a back pressure transducer having a sub-atmospheric pressure chamber connected to said EGR valve means and having a pressure operation chamber connected to said pressure control chamber, said sub-atmospheric chamber being connected to the atmospheric air via an air bleed passage which is connected to a venturi portion of a carburetor via a branch pipe.

REFERENCES:
patent: 3802402 (1974-04-01), Swatman
patent: 3834366 (1974-09-01), Kingsbury
patent: 3881456 (1975-05-01), Nohira
patent: 3896777 (1975-07-01), Masaki et al.
patent: 3926161 (1975-12-01), Wertheimer
patent: 4013052 (1977-03-01), Masaki et al.
patent: 4033308 (1977-07-01), Hayashi et al.
patent: 4041917 (1977-08-01), Suzuki

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