Apparatus for recycling exhaust

Details Apparatus for recycling exhaust Apparatus for recycling exhaust

1976-06-24

1977-11-01

Burns, Wendell E.

Internal-combustion engines

Intake manifold

Manifold tuning, balancing or pressure regulating means

F02M 2506

Patent

active

040560848

ABSTRACT:
An apparatus for recycling exhaust gas for reducing noxious portions in the exhaust gases of an internal combustion engine, wherein the flow of exhaust gas between an exhaust gas tapping point on the exhaust manifold and a tapping point on the intake manifold is controlled by an EGR-valve subjected to a controlled suction pressure at the intake manifold through the intermediary of a pressure converter, such that the amount of exhaust gas recycled at low engine loads is proportionately reduced in relation to engine mixture rate to provide a lower ratio of recycled gas to mixture rate at low loads as compared to the ratio at high loads.

REFERENCES:
patent: 3820514 (1974-06-01), Kuehl
patent: 3877452 (1975-04-01), Nohira et al.
patent: 3878823 (1975-04-01), Vartanian
patent: 3901203 (1975-08-01), Pozniak
patent: 3926161 (1975-12-01), Wertheimer

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