Patent ID: 8142572
Filing Date: 2012-03-27
Classification: E03D,E03F

Abstract:
1. A lavatory pan washing apparatus comprising: water supply means that supplies washing water into a rim in a one-way supply manner so that a whirling flow is formed in a lavatory bowl of a lavatory pan, the rim being provided along an upper inner periphery of the lavatory bowl; an air inlet pipe connected to a water discharge channel continuing to a downstream side of a water sealing portion of the lavatory pan; air sucking means that sucks air through the air inlet pipe from the water discharge channel; and control means that is configured to activate the water supply means at a time of washing of the lavatory pan so that the washing water is supplied through the lavatory bowl into the water sealing portion, the control means being further configured to start activation of the air sucking means after a water level in the lavatory bowl has risen so that air is sucked through the air inlet pipe from the water discharge channel, the control means being further configured to deactivate the water supply means after air has flowed through the air inlet pipe into the water discharge channel.