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公开(公告)号：US11111658B2
公开(公告)日：2021-09-07
申请号：US16579646
申请日：2019-09-23
Applicant: TOTO LTD.
Inventor： Tsubasa Miyake , Hironori Yamasaki , Mitsuhiro Suenaga , Takashi Yoshioka , Koichiro Hiwa
Abstract: A flush toilet includes: a water supply channel that allows flush water to be supplied from a flush water storage tank to a rim spout port and a jet spout port; and a switching device that switches a water supply path so as to execute a first flushing process of spouting the flush water in the water supply channel from the rim spout port and after that, execute a second flushing process of spouting the flush water in the water supply channel from at least the jet spout port. The switching device includes a switching valve body that operates by receiving the water pressure of the flush water pressurized by a pressure pump. This switching valve body performs switching to a water supply path that allows the first flushing process or the second flushing process to be executed according to the water pressure generated by the pressure pump.
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公开(公告)号：US10100503B2
公开(公告)日：2018-10-16
申请号：US15408216
申请日：2017-01-17
Applicant: TOTO LTD.
Inventor： Hirokazu Sakai , Takaaki Kuwahara , Teiji Nakamura , Ayako Habu , Koichiro Matsushita , Haruo Tsutsui , Takashi Yoshioka , Koichi Takayama , Hirotaka Shiokama , Hiroshi Yuki , Satoshi Kato
Abstract: A float rise speed control tank in a flush toilet is formed so that when the flush water level inside a flush water tank rises and the flush water level reaches a window due to supply of flush water into the flush water tank by a water supply device, the inflow into the float rise speed control tank by flush water in the flush water tank from a window formed above the bottom edge part of the float causes the rise speed of the flush water level in the float rise speed control tank to increase more than the rise speed of the flush water in the flush water tank.
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Patent Agency Ranking
公开(公告)号：US09021622B2
公开(公告)日：2015-05-05
申请号：US14052222
申请日：2013-10-11
Applicant: Toto Ltd.
Inventor： Hidekazu Kitaura , Ryoko Ishimaru , Tomohiro Iwabata , Yoshiki Ota , Takashi Yoshioka
CPC classification number: E03D11/08 , E03D1/085 , E03D2201/40
Abstract: There is provided a flush toilet device capable of being configured in a compact size and supplying a sufficient flow amount of water to a toilet to reliably flush and discharge waste. According to the flush toilet device, a straight pipe portion of a throat which is arranged inside a tank is arranged in a state where a center axis thereof inclines with respect to a front-back direction of the tank when viewed from an upper side.
Abstract translation: 提供了一种冲水马桶装置，其能够被构造成紧凑的尺寸并且向马桶提供足够的流量的水以可靠地冲洗和排出废物。 根据所述冲水马桶装置，当从上侧观察时，布置在罐内的喉部的直管部分布置成相对于所述箱的前后方向倾斜的中心轴线的状态。
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公开(公告)号：US11421409B2
公开(公告)日：2022-08-23
申请号：US17343092
申请日：2021-06-09
Applicant: TOTO LTD.
Inventor： Nobuhiro Hayashi , Hidekazu Kitaura , Akihiro Shimuta , Masahiro Kuroishi , Hiroshi Hashimoto , Koki Shinohara , Kenji Hatama , Takashi Yoshioka
Abstract: Provided are a flush water tank apparatus capable of restraining instability of an operation of a piston and restraining fluctuations in a water pressure of flush water discharged from a first discharge part provided separately from an inlet, and a flush toilet apparatus including the flush water tank apparatus. A discharge valve hydraulic drive portion of a flush water tank apparatus of the present invention includes a cylinder, a piston, and a rod extending from the piston through a through-hole portion formed in the cylinder, the cylinder including an inlet into which flush water flows, a first discharge part that is provided separately from the inlet to drain the flush water, and a second discharge part that is provided separately from the first discharge part and is formed between the rod and the through-hole portion and between the piston and the through-hole portion.
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公开(公告)号：US09476191B2
公开(公告)日：2016-10-25
申请号：US14228052
申请日：2014-03-27
Applicant: TOTO LTD.
Inventor： Hidekazu Kitaura , Ryoko Ishimaru , Tomohiro Iwabata , Yoshiki Ota , Takashi Yoshioka
CPC classification number: E03D1/263
Abstract: A flush toilet apparatus includes a tank and a jet pump unit. The tank includes: a first tank portion; and a second tank portion formed so as to extend part of a bottom wall of the first tank portion downward. The jet pump unit includes a throat pipe provided with a suction port that is an inlet of water, and at least the part of the second tank portion is formed at a position overlapping with the suction port when viewed from the top.
Abstract translation: 抽水马桶装置包括罐和喷射泵单元。 该罐包括：第一罐部分; 以及形成为将第一罐部的底壁的一部分向下延伸的第二罐部。 喷射泵单元包括设置有作为水入口的吸入口的喉管，并且当从顶部观察时，至少第二罐部的部分形成在与吸入口重叠的位置。
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公开(公告)号：US12037779B2
公开(公告)日：2024-07-16
申请号：US17464063
申请日：2021-09-01
Applicant: TOTO LTD.
Inventor： Akihiro Shimuta , Hidekazu Kitaura , Nobuhiro Hayashi , Masahiro Kuroishi , Hiroshi Hashimoto , Koki Shinohara , Kenji Hatama , Takashi Yoshioka
Abstract: A flush water tank apparatus has a reservoir tank, a discharge valve, a discharge valve hydraulic drive portion configured to drive the discharge valve, and a discharge/vacuum break valve device configured to supply the water supplied from the upstream side to the discharge valve hydraulic drive portion on a downstream side. The discharge valve hydraulic drive portion includes a cylinder, and a piston configured to be moved by a pressure of the water flowing into the cylinder to move the discharge valve. The discharge/vacuum break valve device includes a valve body that operates to discharge the water flowing backward from the discharge valve hydraulic drive portion while opening the upstream side to an atmosphere when the supply of the water from the upstream side is stopped.
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公开(公告)号：US09328495B2
公开(公告)日：2016-05-03
申请号：US14228059
申请日：2014-03-27
Applicant: TOTO LTD.
Inventor： Hidekazu Kitaura , Ryoko Ishimaru , Tomohiro Iwabata , Yoshiki Ota , Takashi Yoshioka
CPC classification number: E03D1/085
Abstract: A flush toilet apparatus includes a tank and a jet pump unit. A throat pipe of the jet pump unit includes a linear portion formed to linearly extend obliquely upward from a suction port that is an inlet of water. The suction port is formed so that the entire edge is along a horizontal surface.
Abstract translation: 抽水马桶装置包括罐和喷射泵单元。 喷射泵单元的喉管包括形成为从作为水入口的吸入口向斜上方线性延伸的直线部分。 吸入口形成为使得整个边缘沿着水平表面。
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