Control system for exhaust gas recirculation

Details Control system for exhaust gas recirculation Control system for exhaust gas recirculation

1995-12-06

1997-03-04

Wolfe, Willis R.

Internal-combustion engines

Charge forming device

Crankcase vapor used with combustible mixture

25112911, F02M 2507

Patent

active

056069570

ABSTRACT:
An exhaust valve controlling system of an exhaust gas recirculation system of an engine has a stepper motor that is electrically controlled to actuate first and second spring systems that are associated with a one way clutch system which raises and lowers an exhaust valve in response to rotation of a spool threadably mated with a threaded end portion of the valve stem.

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