CONTROL DEVICE FOR EXHAUST SENSOR

A control device for an exhaust sensor is configured to control the exhaust sensor disposed in an exhaust passage of an internal combustion engine. The control device for an exhaust sensor includes: a sensor element; a heater configured to heat the sensor element; a current detection circuit configu...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	AOKI, Keiichiro, WAKAO, Kazuhiro, KAMIYA, Yasutaka
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING COMBUSTION ENGINES CONTROLLING COMBUSTION ENGINES HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS LIGHTING MECHANICAL ENGINEERING WEAPONS
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Beschreibung
Zusammenfassung:	A control device for an exhaust sensor is configured to control the exhaust sensor disposed in an exhaust passage of an internal combustion engine. The control device for an exhaust sensor includes: a sensor element; a heater configured to heat the sensor element; a current detection circuit configured to detect an output current of the exhaust sensor, and an electronic control device configured to control electric power that is supplied to the heater by PWM control.