| 摘要 |
PROBLEM TO BE SOLVED: To suppress a phenomenon such that water leaks from a rim part.SOLUTION: A water closet device comprises: an air introduction pipe which is provided to a throat pipe, and has an introduction port formed penetrating a peripheral wall so as to introduce air into the throat pipe from an introduction port; an adjusting valve (404) which is held rotatably at the air introduction pipe and in a cylindrical shape having one end side closed, and also has a plurality of intakes, penetrating the peripheral surface and differing in size from each other, formed in a peripheral surface direction, the adjusting valve being rotated on a center axis so as to adjust communication quantities of the introduction port and the plurality of intakes; and a seal part (408) which forms a seal between a periphery of the largest intake among the plurality of intakes and the air introduction pipe.SELECTED DRAWING: Figure 12 |
