Exhaust gas recirculation control for diesel engine

Details Exhaust gas recirculation control for diesel engine Exhaust gas recirculation control for diesel engine

1982-10-19

1984-05-01

Burns, Wendell E.

Internal-combustion engines

Charge forming device

Exhaust gas used with the combustible mixture

123571, 60605, 60611, 60614, F02M 2506

Patent

active

044454880

ABSTRACT:
In an apparatus for controlling the EGR in a diesel engine, a single pressure control valve adjusts the control pressure from a pump automatically when the pressure changes, and supplies the control pressure in response to the command signal of a control circuit to an EGR valve and a waste-gate valve of a turbocharger. The pressure control valve includes an electric actuator, a spool valve, a sleeve, a diaphragm, and a spring. By using this apparatus, a diesel engine which has a high response speed, high control precision, simple constitution, less nitrogen oxides in the exhaust gas, and low manufacturing cost is obtained.

REFERENCES:
patent: 4369753 (1983-01-01), Sugiyama

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