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公开(公告)号：US20220064926A1
公开(公告)日：2022-03-03
申请号：US17411436
申请日：2021-08-25
Applicant: TOTO LTD.
Inventor： Yusuke TONE , Shu KASHIRAJIMA
Abstract: A flush toilet includes a toilet main body and a tank device. The tank device includes a water supply unit a storage tank, a pump, and a suction pipe. The water supply unit is configured to supply the flush water the storage tank while the pump is being driven. The storage tank includes a large tank section that includes a lowest bottom surface of the storage tank and that is a large-capacity side, and a small tank section that is a small-capacity side. The storage tank main body includes a water supply port on an upper surface of the storage tank. The water supply unit is configured to supply the flush water to the storage tank through the water supply port. The water supply port of the storage tank and an upstream-end opening of the suction pipe are both provided on a large tank section side.
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公开(公告)号：US20210238836A1
公开(公告)日：2021-08-05
申请号：US17158661
申请日：2021-01-26
Applicant: TOTO LTD.
Inventor： Masaaki MOMOE , Shu KASHIRAJIMA
Abstract: There is provided a flush toilet that performs flushing by rim spouting, the flush toilet allowing the size of a flush water tank to be reduced while enabling discharge of a sufficient amount of flush water to a toilet main body. A flush toilet 1 includes a toilet main body 2 including a bowl 2a, a rim 2c and a rim spout port 2f for discharging supplied flush water to the rim 2c, a flush water tank device 4, a pump device 6, a water supply device 8, and a controller 10, where the controller 10 is capable of performing a flushing mode in which the total amount of discharge of flush water discharged to the rim spout port 2f by the pump device 6 is greater than a tank capacity of the flush water tank device 4, and the controller 10 controls driving of the pump device 6 and the water supply device 8 in the flushing mode such that at least a part of a water supply period when flush water is supplied by the water supply device overlaps a discharge period when flush water is discharged by the pump device 6.
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公开(公告)号：US20170370080A1
公开(公告)日：2017-12-28
申请号：US15626537
申请日：2017-06-19
Applicant: TOTO LTD.
Inventor： Shu KASHIRAJIMA , Yuuki SHINOHARA
CPC classification number: E03D1/087 , E03D11/08 , E03D2201/30
Abstract: A flush toilet is provided, which can advance timing for startup of a siphon action that discharges waste, and can efficiently discharge waste from a water discharge trap conduit. A flush toilet of the present invention has a bowl section, a water discharge trap conduit connected to a lower portion of the bowl section, and a jet spout port that is opened toward the water discharge trap conduit, in the lower portion of the bowl section, and the jet spout port includes an outlet flow path in which a bottom surface extending toward an outlet of the jet spout port and toward a bowl section bottom surface in the lower portion of the bowl section, and a ceiling surface extending toward the outlet and having an inclination toward an upper direction than an inclination of the bottom surface are formed.
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公开(公告)号：US20200308816A1
公开(公告)日：2020-10-01
申请号：US16824356
申请日：2020-03-19
Applicant: TOTO LTD.
Inventor： Shu KASHIRAJIMA , Takahiro HARA , Masaki MORI , Yukari KAWAZU , Tsubasa ISHIBASHI , Hironori YAMASAKI
Abstract: A flush toilet includes a toilet main body, a flush water tank device, and connection conduits for supplying, to a toilet main body, flush water supplied from a reservoir tank. The reservoir tank includes a large tank portion on a large volume side in the reservoir tank when the reservoir tank is divided into two at the left-right center and a small tank portion on a small volume side in the reservoir tank when the reservoir tank is divided into two at the left-right center. The upstream end of one connection conduit is connected to the large tank portion and, on the other hand, the downstream end of the other connection conduit is connected to the other side of the toilet main body divided into two at the left-right center.
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公开(公告)号：US20170275862A1
公开(公告)日：2017-09-28
申请号：US15617937
申请日：2017-06-08
Applicant: TOTO LTD.
Inventor： Shu KASHIRAJIMA , Kyoji ASADA , Satoshi YAMAKAWA , Kazuyoshi MIZOGUCHI , Masaki KITAMURA
Abstract: A flush toilet wherein the rim inside wall portion comprises a rim inside wall upper sloped surface, and an improvement in user visibility and user rim portion cleanability is sought, flush water can be constrained from splashing outside the bowl portion by traveling by centrifugal force along the rim inside wall upper sloped surface from the inside surface formed at a relatively low height. The rim portion of the flush toilet of the invention includes a rim inside wall portion; the rim inside wall portion comprises a rim inside wall upper sloped surface, and an inside surface vertically extending straight up to the rim inside wall upper sloped surface; and the water supply apparatus comprises a constant flow rate valve for spouting a predetermined constant flow rate of flush water from the water spouting portion.
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Patent Agency Ranking
公开(公告)号：US20170260730A1
公开(公告)日：2017-09-14
申请号：US15450275
申请日：2017-03-06
Applicant: TOTO LTD.
Inventor： Shu KASHIRAJIMA , Yuki SHIMOKAWA , Masaki KITAMURA , Yuuki SHINOHARA , Masaaki MOMOE
IPC: E03D11/08
CPC classification number: E03D11/08 , E03D9/08 , E03D2201/40
Abstract: A flush toilet includes a bowl having a waste-receiving surface and a rim; the bowl comprises a front region on the front side of a center line extending in the left-right direction and equally dividing the bowl in the front-rear direction, and a rear region on the rear side thereof; whereby on either the left or right side in the front area of the bowl, on the rim, a rim water passageway is formed for passing flush water supplied from a conduit, and a rim spout port is formed, and the rim water passageway comprises: an outside passageway extending from the inlet thereof through the rim interior toward the front; a bent passageway bending inward from the downstream end of this outside passageway; and an inside passageway extending from this bent passageway toward the rear, up to the rim spout port.
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公开(公告)号：US20160273206A1
公开(公告)日：2016-09-22
申请号：US15068561
申请日：2016-03-12
Applicant: TOTO LTD.
Inventor： Shu KASHIRAJIMA , Masaki KITAMURA , Satoshi YAMAKAWA , Kazuyoshi MIZOGUCHI
Abstract: A flush toilet is provided wherein at least a portion of the exterior part of an exterior member installed on a rim portion can be easily installed and registered at the height of the rim outer wall upper sloped surface, and seen from the toilet lateral direction, the border between at least a part of the exterior part of the exterior member and the rim outer wall upper sloped surface appears as a single aligned straight line, imparting an aesthetic impression to the user. The rim portion 46 of the flush toilet 1 of the invention includes a rim outer wall upper sloped surface 56a being positioned in an outside of an upper region of the rim outer wall portion 56, and at least a portion of the exterior part is disposed at the height of the rim outer wall upper sloped surface 56a.
Abstract translation: 提供了一种冲水马桶，其中安装在轮辋部分上的外部构件的外部部分的至少一部分可以容易地安装和登记在轮辋外壁上倾斜表面的高度处，并且从马桶横向方向看， 在外部构件的外部部分的至少一部分与边缘外壁上倾斜表面之间的边界呈现为单个对准的直线，给使用者赋予美观的印象。 本发明的冲水马桶1的边缘部分46包括边缘外壁上倾斜表面56a，其定位在边缘外壁部分56的上部区域的外侧，并且外部部分的至少一部分设置在 轮辋外壁上倾斜面56a的高度。
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公开(公告)号：US20160138255A1
公开(公告)日：2016-05-19
申请号：US14867817
申请日：2015-09-28
Applicant: TOTO LTD.
Inventor： Masaki KITAMURA , Satoshi YAMAKAWA , Kazuyoshi MIZOGUCHI , Shu KASHIRAJIMA
IPC: E03D11/08
CPC classification number: E03D11/08
Abstract: A flush toilet having a bowl portion including a bowl-shaped waste receiving surface and a rim portion wherein the rim portion includes a rim top inside corner portion, and a rim top outside corner portion, and in at least part of the entire perimeter of the rim portion, the rounding of the rim top inside corner portion is formed to be larger than the rounding of the rim top outside corner portion. This rim profile enables the rim portion top surface, the rim top inside corner portion, and the inside wall can be efficiently cleaned.
Abstract translation: 一种具有碗状部分的抽水马桶，其包括碗状废物接收表面和边缘部分，其中边缘部分包括拐角部分内的边缘顶部和边角顶部外侧拐角部分，并且在该边缘部分的整个周边的至少一部分中 边缘部分的边缘顶部的圆角形成为大于边缘顶部外角部的四舍五入。 该轮辋轮廓能够有效地清洁轮辋部分顶部表面，轮辋顶部内角部和内壁。
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公开(公告)号：US20210095450A1
公开(公告)日：2021-04-01
申请号：US17025776
申请日：2020-09-18
Applicant: TOTO LTD.
Inventor： Yukari KAWAZU , Toshiro UMENO , Shu KASHIRAJIMA
Abstract: A flush toilet includes a toilet main body, a tank device provided behind the toilet main body, and a private part washing device configured to wash a private part of a user, the private part washing device being provided on a rear upper surface of the toilet main body behind the bowl. The tank device includes a water supply part configured to supply flush water supplied from a water supply source, a storage tank for storing the flush water supplied from the water supply part, the storage tank being located behind the private part washing device and above a floor surface, a pump configured to feed the flush water in the storage tank to the toilet main body, and a controller configured to control operation of the water supply part and the pump, and the controller is disposed on an outer upper surface of the storage tank.
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公开(公告)号：US20170370086A1
公开(公告)日：2017-12-28
申请号：US15626519
申请日：2017-06-19
Applicant: TOTO LTD.
Inventor： Masaaki MOMOE , Shu KASHIRAJIMA , Masaki KITAMURA
Abstract: A flush toilet is provided, which can restrain flushing water from excessively flowing down to an inner side of a bowl section before the flushing water reaches an upper end portion of a rising flow path, and can effectively restrain from occurring an unwashed region in the bowl section. A flush toilet of the present invention has a bowl section, and the bowl section forms a water conduit formed between the waste receiving surface and the rim section, and the water conduit includes a shelf portion forming an inclined surface lowering toward an outer side from an inner side of the bowl section, or a horizontal surface formed horizontally toward the outer side from the inner side of the bowl section, in at least a part of a rising flow path rising from a low portion of the water conduit.
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