ROTARY CHANGEOVER VALVE

PURPOSE: To prevent damage of seat surface due to rotation and enhance rotation performance of a rotary valve body in a rotary changeover valve which is used in collector or distribution of fluid in changing over successively between a simple conduit pipe on one hand and plural conduit. CONSTITUTION...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	SHIMURA MITSUNORI, KOGA HIROTOSHI, YOKOTA ZENICHI, ONDA NOBUHIRO, KATAOKA KIMIHARU, SONODA YOSHITERU
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:	PURPOSE: To prevent damage of seat surface due to rotation and enhance rotation performance of a rotary valve body in a rotary changeover valve which is used in collector or distribution of fluid in changing over successively between a simple conduit pipe on one hand and plural conduit. CONSTITUTION: A rotary changeover valve comprises a valve box 2, a fixed valve body 3, a rotary valve body 4, a first path 5, a second path 6, a communication path 7, a valve rod 8, a cylinder 9, and a cylinder mechanism 10. Particularly, a cylinder 9 for pressing the rotary valve body 4 to the fixed valve body 3 is disposed, and also a link mechanism for doubling pressing force of the cylinder 9 is disposed in between the cylinder 9 and the rotary valve body 4.