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公开(公告)号：US20200049273A1
公开(公告)日：2020-02-13
申请号：US16340381
申请日：2017-01-24
Applicant: LAB (XIAMEN) SANITARY FITTINGS INC.
Inventor： Yongmao Liu , Zipeng Zhang
Abstract: Disclosed is a water stop valve. A water inlet channel, a water outlet channel, and a water sealing surface are formed in a valve body. A valve stem has a middle portion movably disposed in the valve body and a lower portion mounted in a back-pressure hole of a water-plugging stopper. A back-pressure cavity is formed above the water-plugging stopper. A sealing end surface matching the back-pressure hole is formed on the valve stem. When in use, the valve stem drives the water plugging stopper to move downwards, the sealing end surface blocks the back-pressure hole, and the water plugging stopper blocks the water sealing surface, such that the water enters the back-pressure cavity, and the water pressure enables the water-plugging stopper to block the water sealing surface to stop the water. The water stop valve stops a water inlet valve from feeding in water in a timely manner.
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公开(公告)号：US20170002555A1
公开(公告)日：2017-01-05
申请号：US15039852
申请日：2014-06-06
Applicant: LAB (XIAMEN) SANITARY FITTINGS INC
Inventor： Yongmao Liu , Zipeng Zhang
CPC classification number: E03D1/33 , E03D1/12 , E03D1/125 , E03D1/32 , F16K31/24 , F16K31/26 , F16K31/34 , F16K33/00 , Y10T137/2849 , Y10T137/2856 , Y10T137/7329
Abstract: Disclosed is a minor water leak prevention apparatus for a water inlet valve. A float is mounted on a regulation bar and received in a water container. The water container is mounted on a siphon tube. The siphon tube is formed with an air aperture. A counterweight buoyance switch is mounted on the water container. The counterweight buoyance switch has a counterweight water compartment having a lower end forming a water drain hole. The counterweight water compartment has an upper end to which a closure pressing plate is mounted. The closure pressing plate is opposite to the air aperture. The counterweight buoyance switch controls opening/closing of the air aperture. This arrangement allows water ingress through a water inlet valve to be stopped when minor water leakage occurs in a water tank.
Abstract translation: 公开了一种用于进水阀的次要防漏水装置。 浮子安装在调节杆上并接收在水箱中。 水容器安装在虹吸管上。 虹吸管形成有空气孔。 配重浮力开关安装在水箱上。 配重浮力开关具有形成排水孔的下端的配重水室。 配重水室具有安装封闭压板的上端。 封闭压板与空气孔相对。 配重浮力开关控制空气孔的打开/关闭。 这种布置允许在水箱中发生少量漏水时通过进水阀的水进入停止。
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公开(公告)号：US10161122B2
公开(公告)日：2018-12-25
申请号：US15030379
申请日：2013-11-13
Applicant: LAB (XIAMEN) SANITARY FITTINGS INC
Inventor： Yongmao Liu
Abstract: A twin water-drainage valve inner core tube starting apparatus includes a button seat, main body, half drainage button, full drainage button, half drainage float, full drainage float, inner core tube and lever, the half drainage float, full drainage float and inner core tube being installed inside the main body to form a half drainage structure and full drainage structure, the button seat being configured on the main body, and the half drainage button and full drainage button being mounted on the button seat, where at least two levers arranged symmetrically are mounted inside the main body, one end of the two levers is abutted against the half drainage button and full drainage button, and another end thereof is in connection with the inner core tube through a pull rod. Whereby, the present invention can reduce the water drainage pressing force and decrease the friction between the components.
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公开(公告)号：US20230160190A1
公开(公告)日：2023-05-25
申请号：US17920059
申请日：2020-04-20
Applicant: LAB (XIAMEN) SANITARY FITTINGS INC
Inventor： ZIPENG ZHANG , YONGMAO LIU
Abstract: An air release valve and an air pressure driven toilet water tank drain valve are provided. The air release valve includes a valve seat, a sliding block, and a push block. A bottom of the valve seat is provided with an air release channel, one end of the air release channel is an air inlet, and the other end of the air release channel forms an air release nozzle. The sliding block is located above the air release nozzle and is slidably arranged on the valve seat. The air pressure driven toilet water tank drain valve includes a drain valve body, an inner core tube, a limit device, a telescopic airbag, an air pump, the air release valve, a controller and an electronic induction switch. The air release valve with mechanical structure does not require power consumption and has low cost.
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公开(公告)号：US10920903B2
公开(公告)日：2021-02-16
申请号：US16340381
申请日：2017-01-24
Applicant: LAB (XIAMEN) SANITARY FITTINGS INC.
Inventor： Yongmao Liu , Zipeng Zhang
Abstract: Disclosed is a water stop valve. A water inlet channel, a water outlet channel, and a water sealing surface are formed in a valve body. A valve stem has a middle portion movably disposed in the valve body and a lower portion mounted in a back-pressure hole of a water-plugging stopper. A back-pressure cavity is formed above the water-plugging stopper. A sealing end surface matching the back-pressure hole is formed on the valve stem. When in use, the valve stem drives the water plugging stopper to move downwards, the sealing end surface blocks the back-pressure hole, and the water plugging stopper blocks the water sealing surface, such that the water enters the back-pressure cavity, and the water pressure enables the water-plugging stopper to block the water sealing surface to stop the water. The water stop valve stops a water inlet valve from feeding in water in a timely manner.
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Patent Agency Ranking
公开(公告)号：US10920406B2
公开(公告)日：2021-02-16
申请号：US16344801
申请日：2017-01-24
Applicant: LAB (XIAMEN) SANITARY FITTINGS INC.
Inventor： Yongmao Liu , Zipeng Zhang
Abstract: Disclosed is a leak-proof device for a water inlet valve. A control valve is installed in a valve body for opening and closing a water inlet channel and a water outlet channel. An outer water tank and a leak-proof water tank are installed on the valve body. An inner water tank is disposed in the outer water tank, with the height of the inner water tank being lower than that of the outer water tank. The leak-proof water tank is in communication with the inner water tank via a water-passing channel A lever is pivotally connected to the valve body. Two ends of the lever are connected with an outer float and an inner float. The inner float is provided with a plug that is movable to block the water-passing channel. The leak-proof float is connected to the control valve.
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公开(公告)号：US12024869B2
公开(公告)日：2024-07-02
申请号：US17920059
申请日：2020-04-20
Applicant: LAB (XIAMEN) SANITARY FITTINGS INC
Inventor： Zipeng Zhang , Yongmao Liu
Abstract: An air release valve and an air pressure driven toilet water tank drain valve are provided. The air release valve includes a valve seat, a sliding block, and a push block. A bottom of the valve seat is provided with an air release channel, one end of the air release channel is an air inlet, and the other end of the air release channel forms an air release nozzle. The sliding block is located above the air release nozzle and is slidably arranged on the valve seat. The air pressure driven toilet water tank drain valve includes a drain valve body, an inner core tube, a limit device, a telescopic airbag, an air pump, the air release valve, a controller and an electronic induction switch. The air release valve with mechanical structure does not require power consumption and has low cost.
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公开(公告)号：US20200056357A1
公开(公告)日：2020-02-20
申请号：US16344801
申请日：2017-01-24
Applicant: LAB (XIAMEN) SANITARY FITTINGS INC.
Inventor： Yongmao Liu , Zipeng Zhang
Abstract: Disclosed is a leak-proof device for a water inlet valve. A control valve is installed in a valve body for opening and closing a water inlet channel and a water outlet channel An outer water tank and a leak-proof water tank are installed on the valve body. An inner water tank is disposed in the outer water tank, with the height of the inner water tank being lower than that of the outer water tank. The leak-proof water tank is in communication with the inner water tank via a water-passing channel A lever is pivotally connected to the valve body. Two ends of the lever are connected with an outer float and an inner float. The inner float is provided with a plug that is movable to block the water-passing channel. The leak-proof float is connected to the control valve.
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公开(公告)号：US10132067B2
公开(公告)日：2018-11-20
申请号：US15039851
申请日：2014-06-06
Applicant: Lab (Xiamen) Sanitary Fittings Inc
Inventor： Yongmao Liu , Zipeng Zhang
Abstract: A major water leak prevention apparatus for a water inlet valve, in which a water receptacle tray is mounted on a water inlet valve body and includes an overflow port. The water receptacle tray has a bottom in which an opening is formed. A counterweight float is mounted on the water inlet valve body and includes a water compartment and a buoyance compartment arranged at a lower end of the water inlet valve body. The bottom opening of the water receptacle tray is connected via a passageway pipe to the counterweight float. The water compartment selectively blocks a lower end opening of the passageway pipe or opens the lower end opening of the passageway pipe. This arrangement helps stop water ingress through the water inlet valve when major water leakage occurs in a water tank.
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公开(公告)号：US20160273201A1
公开(公告)日：2016-09-22
申请号：US15030379
申请日：2013-11-13
Applicant: LAB (XIAMEN) SANITARY FITTINGS INC
Inventor： Yongmao LIU
Abstract: A twin water-drainage valve inner core tube starting apparatus includes a button seat, main body, half drainage button, full drainage button, half drainage float, full drainage float, inner core tube and lever, the half drainage float, full drainage float and inner core tube being installed inside the main body to form a half drainage structure and full drainage structure, the button seat being configured on the main body, and the half drainage button and full drainage button being mounted on the button seat, where at least two levers arranged symmetrically are mounted inside the main body, one end of the two levers is abutted against the half drainage button and full drainage button, and another end thereof is in connection with the inner core tube through a pull rod. Whereby, the present invention can reduce the water drainage pressing force and decrease the friction between the components.
Abstract translation: 双排水阀内芯管启动装置包括按钮座，主体，半排水按钮，全排水按钮，半排水浮子，全排水浮子，内芯管和杠杆，半排水浮子，全排水浮子和 内芯管安装在主体内，形成半排水结构和全排水结构，按钮座配置在主体上，半排水按钮和全排水按钮安装在按钮座上，至少两个 对称布置的杆安装在主体的内部，两个杆的一端与半排水按钮和全排水按钮抵接，另一端通过拉杆与内芯管连接。 由此，本发明可以减少排水压力并降低部件之间的摩擦。
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