Lavatory pan washing apparatus and washing method

A lavatory pan washing apparatus includes a water supply unit supplying washing water into a rim so that a whirling flow is formed in a lavatory bowl, an air inlet pipe connected to a water discharge channel continuing to the downstream side of a water sealing portion of a pan, an air sucking unit s...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	MATSUMOTO OSAMU, SHIRAKO AKI, YAMASAKI HARUO, ITO ATSUSHI, ITO KENICHI, KONDO YASUHIRO, HIRABAYASHI KEN, SHIRAI YASUHIRO
Format:	Patent
Sprache:	eng
Schlagworte:	CESSPOOLS CLEANING CLEANING IN GENERAL FIXED CONSTRUCTIONS FLUSHING VALVES THEREFOR PERFORMING OPERATIONS PREVENTION OF FOULING IN GENERAL SEWERAGE SEWERS TRANSPORTING WATER SUPPLY WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES
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Beschreibung
Zusammenfassung:	A lavatory pan washing apparatus includes a water supply unit supplying washing water into a rim so that a whirling flow is formed in a lavatory bowl, an air inlet pipe connected to a water discharge channel continuing to the downstream side of a water sealing portion of a pan, an air sucking unit sucking air through the pipe from the channel, and a control unit configured to activate the water supply unit at a time of washing of the pan so that the washing water is supplied into the water sealing portion. The control unit is configured to start activation of the air sucking unit after rise of a water level in the lavatory bowl, so that air is sucked through the pipe from the channel. The control unit is configured to deactivate the water supply unit after air has flowed through the air inlet pipe into the channel.