Exhaust gas recirculation system for an internal combustion engi

Details Exhaust gas recirculation system for an internal combustion engi Exhaust gas recirculation system for an internal combustion engi

1979-04-20

1980-11-04

Burns, Wendell E.

Internal-combustion engines

Charge forming device

Exhaust gas used with the combustible mixture

F02M 2506

Patent

active

042313368

ABSTRACT:
An exhaust gas recirculation system for an internal combustion engine of the back pressure control type which includes a chamber space which is positioned at a middle portion of an exhaust gas recirculation passage and upstream of an exhaust gas recirculation control valve and downstream of an orifice and which is maintained substantially at atmospheric pressure, wherein the orifice is adapted to provide effective opening area which is variable between a substantial partial opening and full opening in accordance with engine temperature.

REFERENCES:
patent: 4142491 (1979-03-01), Hibino et al.
patent: 4142496 (1979-03-01), Saito et al.
patent: 4151819 (1979-05-01), Inada et al.

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