THROTTLE VALVE CONTROL DEVICE AND THROTTLE VALVE CONTROL METHOD

A throttle valve control device for controlling an intake flow to an engine making it hard for a driver to hear return spring check sound and capable of detecting the failure of a return spring earlier by checking the return spring while the engine is operating and a throttle valve control method. T...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	NAKANO, SHUUICHI, JUMONJI, KENTARO
Format:	Patent
Sprache:	eng ; fre ; ger
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 throttle valve control device for controlling an intake flow to an engine making it hard for a driver to hear return spring check sound and capable of detecting the failure of a return spring earlier by checking the return spring while the engine is operating and a throttle valve control method. To reduce the wear of the gears of the throttle valve control device, when a target throttle opening is controllably fully opened while the engine is operating, the control of a throttle valve is stopped. After the control of the throttle valve is stopped, it is checked whether or not a throttle sensor output value is equal to a throttle sensor output value at a throttle machine full open position.