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In a washdown flush toilet, a water discharge trap conduit includes: an inlet pipe part connected to a bowl part receiving waste; a trap ascending pipe part connected to the inlet pipe part and forming an ascending flow channel; and a trap descending pipe part connected to the trap ascending pipe part and forming a descending flow channel. With regard to a cross section perpendicular to a flow direction of the ascending flow channel, a portion on a downstream side of the ascending flow channel is provided with an enlarged part having a cross section area larger than that on an upstream side of the ascending flow channel. A downstream end of the ascending flow channel and/or an upstream side of the descending flow channel is provided with a shrunk part having a cross section area smaller than that on the upstream side of the ascending flow channel.
In a washdown flush toilet, a water discharge trap conduit includes: an inlet pipe part connected to a bowl part receiving waste; a trap ascending pipe part connected to the inlet pipe part and forming an ascending flow channel; and a trap descending pipe part connected to the trap ascending pipe part and forming a descending flow channel. With regard to a cross section perpendicular to a flow direction of the ascending flow channel, a portion on a downstream side of the ascending flow channel is provided with an enlarged part having a cross section area larger than that on an upstream side of the ascending flow channel. A downstream end of the ascending flow channel and/or an upstream side of the descending flow channel is provided with a shrunk part having a cross section area smaller than that on the upstream side of the ascending flow channel.
Washdown flush toilet
IMAIZUMI SHOKO (author)
2024-01-30
Patent
Electronic Resource
English