Exhaust gas recirculation control system

Details Exhaust gas recirculation control system Exhaust gas recirculation control system

1977-09-02

1979-12-25

Burns, Wendell E.

Internal-combustion engines

Intake manifold

Manifold tuning, balancing or pressure regulating means

F02M 2506

Patent

active

041800338

ABSTRACT:
An altitude correction device is provided which adjusts a working vacuum, in the diaphragm unit for operating the EGR control valve, in accordance with the atmospheric pressure so as to reduce the flow of recirculated engine exhaust gases in accordance with decrease in the atmospheric pressure to maintain the EGR amount at a proper value independent of the altitude.

REFERENCES:
patent: 3834366 (1974-09-01), Kingsbury
patent: 3844260 (1974-10-01), Scott et al.
patent: 3880129 (1975-04-01), Hollis, Jr.
patent: 3896777 (1975-07-01), Masaki et al.
patent: 4050429 (1977-09-01), Yasuhiro et al.

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