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公开(公告)号：US20220064923A1
公开(公告)日：2022-03-03
申请号：US17411135
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 storage tank, and a water supply unit configured to supply flush water to the storage tank. The storage tank includes a first upper surface including a water passage port through which the flush water supplied from the water supply unit flows into the storage tank, a second upper surface that is lower than the first upper surface, and a third upper surface that is provided between the first upper surface and the second upper surface and that is lower than the second upper surface. The storage tank further includes an air vent unit that is provided at the second upper surface and that is configured to purge air from the storage tank.
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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：US20220090368A1
公开(公告)日：2022-03-24
申请号：US17476193
申请日：2021-09-15
Applicant: TOTO LTD.
Inventor： Yusuke TONE , Shu KASHIRAJIMA , Yuuki SHINOHARA , Koji SHIBUYA
Abstract: Provided is a tank device capable of restraining splashing of flush water during water supply to suppress a water slapping sound. A tank device for supplying flush water stored therein to a flush toilet comprises: a tank main unit for storing flush water in an internal space 24C thereof defined by an inner wall surface which comprises a transverse surface 27B extending in a transverse direction and a standing surface 27A extending in an up-down direction; and a water supply member 26 for supplying flush water from a water supply port 26A to the internal space of the tank main unit, the water supply member 26 being configured to spout flush water toward the inner wall surface defining the internal space 24C, wherein the tank main unit comprises a flow rectifying portion 46 provided in a region of the inner wall surface to which flush water is spouted, the flow rectifying portion 46 having a convex part 46A and a concave part 46B each formed on the inner wall surface.
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公开(公告)号：US20210262212A1
公开(公告)日：2021-08-26
申请号：US17178014
申请日：2021-02-17
Applicant: TOTO LTD.
Inventor： Yusuke TONE , Shu KASHIRAJIMA , Hideo IWAKI
Abstract: A flush toilet includes a toilet main body and a tank device that supplies flush water to the toilet main body, where the tank device includes a storage tank provided behind the toilet main body and above a floor surface, and a water supply device that supplies the flush water to the storage tank, a capacity of an upper part located at a position higher than a middle height position that equally divides the storage tank into two in an up-down direction is greater than a capacity of a lower part located at a position lower than the middle height position, and the storage tank includes a plurality of upper surfaces with height differences, and a water passage port is provided in a manner penetrating a highest surface among the upper surfaces to allow the flush water supplied from the water supply device to flow into the storage tank.
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