CONTROL APPARATUS OF ELECTRICALLY DRIVEN VALVE, ELECTRICALLY DRIVEN VALVE, AND ELECTRICALLY DRIVEN VALVE UNIT USING THE SAME

An electrically driven valve includes a valve element configured to move to a direction approaching a valve seat or to a direction separating therefrom, a stepping motor configured to be operated by entering a drive pulse, a driving mechanism configured to drive the valve element by a driving force...

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Bibliographische Detailangaben
Hauptverfasser:	ISHIZUKA, Yusuke, NARUKAWA, Bunta
Format:	Patent
Sprache:	eng
Schlagworte:	ACTUATING-FLOATS BLASTING COCKS COMBINED HEATING AND REFRIGERATION SYSTEMS DEVICES FOR VENTING OR AERATING ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEAT PUMP SYSTEMS HEATING LIGHTING LIQUEFACTION SOLIDIFICATION OF GASES MANUFACTURE OR STORAGE OF ICE MECHANICAL ENGINEERING REFRIGERATION MACHINES, PLANTS OR SYSTEMS REFRIGERATION OR COOLING TAPS THERMAL INSULATION IN GENERAL VALVES WEAPONS
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Beschreibung
Zusammenfassung:	An electrically driven valve includes a valve element configured to move to a direction approaching a valve seat or to a direction separating therefrom, a stepping motor configured to be operated by entering a drive pulse, a driving mechanism configured to drive the valve element by a driving force output from the stepping motor, a nonvolatile storage unit configured to store an amount of hysteresis, and a control unit configured to drive the stepping motor according to an operation instruction information entered from an exterior.