CHANNEL OPENING/CLOSING DEVICE

PROBLEM TO BE SOLVED: To provide a channel opening/closing device capable of reliably supplying refill water even when attached to a channel for supplying water to a siphon toilet stool.SOLUTION: A flush valve SV being a channel opening/closing device performs refill water supply operations in which...

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Bibliographische Detailangaben
Hauptverfasser:	YOKOI KEIICHI, SARUWATARI HODAKA, KATO TAKESHI, HATAKEYAMA MAKOTO, OSHIKAWA TAKUYA
Format:	Patent
Sprache:	eng
Schlagworte:	ACTUATING-FLOATS BLASTING COCKS DEVICES FOR VENTING OR AERATING ENGINEERING ELEMENTS AND UNITS FIXED CONSTRUCTIONS FLUSHING VALVES THEREFOR GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MECHANICAL ENGINEERING SEWERAGE TAPS THERMAL INSULATION IN GENERAL VALVES WATER SUPPLY WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES WEAPONS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a channel opening/closing device capable of reliably supplying refill water even when attached to a channel for supplying water to a siphon toilet stool.SOLUTION: A flush valve SV being a channel opening/closing device performs refill water supply operations in which a main valve is opened by having an electromagnetic valve re-opened for a decrease in back pressure of a main valve body 42, after completion of a main cleaning operation, in which water flows to a secondary-side channel from a primary-side channel through the main valve, and in which the main valve is closed by having the electromagnetic valve closed for an increase in the back pressure of the main valve body 42, after a lapse of second time shorter than first time.