EGR control system of multi-cylinder engines

Details EGR control system of multi-cylinder engines EGR control system of multi-cylinder engines

1978-04-13

1980-01-22

Burns, Wendell E.

Internal-combustion engines

Accessories

Covers, trays, vibrators, corrosion inhibitors, air filters

123119A, F02M 2506, F02D 1702, F02B 7510

Patent

active

041844700

ABSTRACT:
A multi-cylinder internal combustion engine is equipped with an EGR control system in which the amount of the exhaust gases recirculated back to the cylinders of the engine is controlled in accordance with the intake vacuum in an intake passageway. The engine is constructed and arranged to control the number of cylinders operated in accordance with engine operating conditions. The EGR control system is provided with a device which can maintain a suitable exhaust gas recirculation even when a certain number of cylinders are not operated.

REFERENCES:
patent: 3941113 (1976-03-01), Baguelin
patent: 4106471 (1978-08-01), Nakajima et al.
patent: 4143635 (1979-03-01), Iizuka et al.

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