Exhaust gas recirculation control

Details Exhaust gas recirculation control Exhaust gas recirculation control

1981-09-21

1983-02-15

Burns, Wendell E.

Internal-combustion engines

Charge forming device

Crankcase vapor used with combustible mixture

123569, F02M 2506

Patent

active

043734979

ABSTRACT:
An exhaust gas recirculation control system variably controls the amount of exhaust gas recirculated to a diesel engine in accord with the quantity of fuel supplied per engine revolution between a maximum amount at a first predetermined quantity of fuel per revolution and a minimum amount at a second predetermined quantity of fuel per revolution. The system maintains a substantially constant relationship between the exhaust gas recirculation amount and the quantity of fuel injected for each revolution over the speed range of the engine even though the fuel control element positions providing the first and second predetermined values of fuel quantity per revolution each increases at different rates as a function of increasing engine speeds.

REFERENCES:
patent: 3915134 (1975-10-01), Young et al.
patent: 4230080 (1980-10-01), Stumpp et al.
Automotive Engineering, Jul. 1978, vol. 86, No. 7, pp. 46-51.

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