Exhaust gas recirculation system for internal combustion engines

Details Exhaust gas recirculation system for internal combustion engines Exhaust gas recirculation system for internal combustion engines

1979-04-11

1980-10-07

Burns, Wendell E.

Internal-combustion engines

Charge forming device

Exhaust gas used with the combustible mixture

F02M 2506

Patent

active

042262224

ABSTRACT:
In an exhaust gas recirculation system for an internal combustion engine, the flow quantity of exhaust gases recirculated from an exhaust pipe into an induction pipe through a recirculation pipe is controlled in relation to exhaust pressure in the recirculation pipe in accordance with pneumatic pressure defined by a value calculated in a digital computer taking account of negative pressure in the induction pipe and rotational speed of the engine.

REFERENCES:
patent: 4100891 (1978-07-01), Williams
patent: 4112894 (1978-09-01), Nohira
patent: 4128885 (1978-12-01), Valek et al.
patent: 4142495 (1979-03-01), Lahiff
patent: 4144856 (1979-03-01), Tsukamoto et al.
patent: 4161929 (1979-07-01), Nohira et al.
patent: 4165722 (1979-08-01), Aoyama
patent: 4171691 (1979-10-01), Nohira et al.

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