Exhaust gas recirculation valve having integral electronic contr

Details Exhaust gas recirculation valve having integral electronic contr Exhaust gas recirculation valve having integral electronic contr

1986-04-21

1987-09-22

Wolfe, Jr., Willis R.

Internal-combustion engines

Charge forming device

Crankcase vapor used with combustible mixture

F02M 2506

Patent

active

046948120

ABSTRACT:
An exhaust gas recirculating valve with vacuum motor actuator is integrally combined with an electronic control system having a valve position sensor and an electrically controlled pilot valve for the vacuum motor. The electronic control system responds directly to an externally generated low power voltage signal so that the voltage signal and the valve position are related in a monotonic manner. A signal circuit indicates when the exhaust gas recirculating valve is under command of the externally generated low power voltage signal.

REFERENCES:
patent: 4378776 (1983-04-01), Nishimori
patent: 4445489 (1984-05-01), Kobayashi et al.
patent: 4454853 (1984-06-01), Hasegawa
patent: 4454854 (1984-06-01), Gotoh et al.
patent: 4455987 (1984-06-01), Sudbeck et al.
patent: 4541398 (1985-09-01), Kishi

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