DEVICE FOR DETECTING VALVE OPENING AND CLOSING STATE

PROBLEM TO BE SOLVED: To easily mount and dismount an manual valve without disassembling the same.SOLUTION: A device for detecting a valve opening and closing state has a displacement unit abutting on a valve rod of the manual valve moving by the rotation of a handle from the outside and changing th...

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Bibliographische Detailangaben
Hauptverfasser:	IMAIZUMI YASUO, HIRAMA MASAKAZU, HASHIMOTO TAMOTSU, KUROBA HIDEKI, YAMADA MINORU
Format:	Patent
Sprache:	eng
Schlagworte:	ACTUATING-FLOATS BLASTING COCKS DEVICES FOR VENTING OR AERATING ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MECHANICAL ENGINEERING TAPS THERMAL INSULATION IN GENERAL VALVES WEAPONS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To easily mount and dismount an manual valve without disassembling the same.SOLUTION: A device for detecting a valve opening and closing state has a displacement unit abutting on a valve rod of the manual valve moving by the rotation of a handle from the outside and changing the position with the movement of the valve rod, a detection unit for detecting the position change of the displacement unit, and a determination unit for determining at least one state of the opening state and the closing state of the valve element of the manual valve according to the detected position change of the displacement unit.