Apparatus for controlling an exhaust recirculation device in int

Details Apparatus for controlling an exhaust recirculation device in int Apparatus for controlling an exhaust recirculation device in int

1981-04-01

1983-02-15

Burns, Wendell E.

Internal-combustion engines

Charge forming device

Exhaust gas used with the combustible mixture

123571, F02M 2506

Patent

active

043734960

ABSTRACT:
An apparatus is proposed for controlling an exhaust recirculation device in internal combustion engines, in which a throttle device in an exhaust recirculation line is opened on the condition that the position of the load-adjusting lever of a fuel injection pump associated with the engine falls below a maximum load position and that the adjusting member of an rpm governor of the fuel injection pump is below a predetermined deflection position and/or is operated above a lower rpm value. With an embodiment of this kind, the control of exhaust recirculation quantities can be performed in a simple and functionally reliable manner for the various operational points of the engine with the greatest possible approximation of the permissible values.

REFERENCES:
patent: 4228773 (1980-10-01), Stumpp et al.
patent: 4300515 (1981-11-01), Straubel et al.

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