Exhaust gas recirculation control

Details Exhaust gas recirculation control Exhaust gas recirculation control

1978-04-26

1980-04-01

Burns, Wendell E.

Internal-combustion engines

Intake manifold

Manifold tuning, balancing or pressure regulating means

123117A, F02M 2506

Patent

active

041956052

ABSTRACT:
In an internal combustion engine, an exhaust gas recirculation control assembly and an ignition timing control assembly are operated by an induction passage pressure signal transmitted through a control unit. The control unit interrupts the induction passage pressure signal to cut off exhaust gas recirculation and advance ignition timing following operation at an induction passage pressure signal below a particular level for a selected period of time, such as will occur when the engine powers a vehicle during highway driving.

REFERENCES:
patent: 3800764 (1974-04-01), Goto et al.
patent: 3955364 (1976-05-01), Lewis
patent: 3962868 (1976-06-01), Matumoto et al.
patent: 3992878 (1976-11-01), Moorman
patent: 4050423 (1977-09-01), Inada et al.
patent: 4111172 (1978-05-01), Nishizawa et al.
patent: 4117814 (1978-10-01), Takahashi

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