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1. 发明授权

US06840329B2 Cover assembly for a concealed sprinkler head 失效
标题翻译：隐形喷头头盖组件
公开(公告)号：US06840329B2
公开(公告)日：2005-01-11
申请号：US10379546
申请日：2003-03-06
申请人： Tetsuro Kikuchi , Hiroki Ishikawa , Yasuaki Koiwa
发明人： Tetsuro Kikuchi , Hiroki Ishikawa , Yasuaki Koiwa
IPC分类号： A62C37/11 , A62C37/09 , A62C37/08 , A62C37/12
CPC分类号： A62C37/09
摘要： A concealed sprinkler head is mounted above the ceiling of a fire protected zone. The sprinkler head includes a housing within which a valve and other operative parts are contained. A decorative cover plate is secured to the housing to conceal the sprinkler head within the ceiling so that none of the operative parts is visible. The cover assembly includes a thin metallic cover plate made of a heat conductive material such as copper, and a metallic skirt including a cylindrical wall threaded on the housing, an annular flange extending outwardly from one end of the cylindrical wall, and a plurality of tabs extending downwardly from the flange. A plurality of heat insulative elements are disposed between the tabs and the cover plate. A metallic layer is attached to the lower surface of each of the insulative elements. A layer of fusible material is disposed between the metallic layer and the cover plate to secure each of the insulative elements to the cover plate through the metallic layer.
摘要翻译：一个隐蔽的洒水头安装在防火区的天花板上方。喷洒头包括壳体，其中容纳有阀和其它操作部件。将装饰盖板固定到壳体上以将喷洒头隐藏在天花板内，使得所有操作部分都不可见。盖组件包括由诸如铜的导热材料制成的薄金属盖板和包括螺纹连接在壳体上的圆柱形壁的金属裙部，从圆柱形壁的一端向外延伸的环形凸缘，以及多个凸片从法兰向下延伸。多个绝热元件设置在突片和盖板之间。金属层附着在每个绝缘元件的下表面。在金属层和盖板之间设置一层可熔材料，以将每个绝缘元件通过金属层固定到盖板上。

2. 发明授权

US08844554B2 Valve mechanism opened in response to extremely high temperature 有权
标题翻译：阀门机构响应极高的温度而打开
公开(公告)号：US08844554B2
公开(公告)日：2014-09-30
申请号：US13003900
申请日：2009-07-17
申请人： Tetsuro Kikuchi , Yasuaki Koiwa
发明人： Tetsuro Kikuchi , Yasuaki Koiwa
IPC分类号： F16K17/38 , A62C37/11 , A62C35/60 , A62C37/12
CPC分类号： F16K17/383 , A62C35/60 , A62C37/11 , A62C37/12 , F16K17/386 , Y10T137/1797 , Y10T137/1963 , Y10T137/7737
摘要： A valve mechanism which opens in response to a high temperature includes a stopper positionable at a closed position that blocks the flow of water in a cylindrical body attached to a water supply pipe. A stopper support permits the stopper to be movable from the closed position to an open position, wherein pressure of the water in the supply pipe tends to move the stopper from the closed position to the open position. A locking unit is positionable to lock the support in a position wherein the stopper blocks the channel, and has an inclined surface inclined obliquely to the water flow direction. A heat sensitive section blocks movement of the locking unit from the locking position and includes a heat sensitive portion responsive to the temperature of an environment of the valve mechanism.
摘要翻译：响应于高温打开的阀机构包括可在封闭位置处阻止在连接到供水管的圆柱体中的水流的止动件的止动件。止动器支撑件允许止动件能够从关闭位置移动到打开位置，其中供给管中的水的压力趋向于使止动器从关闭位置移动到打开位置。锁定单元可定位以将支撑件锁定在止动件阻挡通道的位置，并且具有倾斜于水流方向倾斜的倾斜表面。热敏部分阻止锁定单元从锁定位置的移动，并且包括响应于阀机构的环境的温度的热敏部分。

3. 发明申请

US20110155265A1 VALVE MECHANISM OPENED IN RESPONSE TO EXTREMELY HIGH TEMPERATURE 有权
标题翻译：阀门机械开启响应极高的温度
公开(公告)号：US20110155265A1
公开(公告)日：2011-06-30
申请号：US13003900
申请日：2009-07-17
申请人： Tetsuro Kikuchi , Yasuaki Koiwa
发明人： Tetsuro Kikuchi , Yasuaki Koiwa
IPC分类号： F16K17/38
CPC分类号： F16K17/383 , A62C35/60 , A62C37/11 , A62C37/12 , F16K17/386 , Y10T137/1797 , Y10T137/1963 , Y10T137/7737
摘要： Provided is a valve mechanism which has a simple configuration, being available for a type having a large bore diameter, and being able to be opened in response to extremely high temperature to supply fire-fighting water or cooling water. There is provided a valve mechanism opened in response to extremely high temperature, the valve mechanism including: a cylindrical body that is attached to an end of a supply pipe connected to a water source; a stopper that blocks a channel inside the body; a support that is disposed inside the body and that supports the stopper by pressing the stopper to a side of the supply pipe; a locking unit that serves to lock the support in a normal state and that unlocks the support in the case of extremely high temperature; and a heat sensitive section that releases the locking unit in the case where temperature of environment is increased to an extremely high level.
摘要翻译：提供一种具有简单结构的阀机构，可用于具有大孔径的类型，并且能够响应于极高的温度而打开以提供消防水或冷却水。提供了一种响应于极高温度而开启的阀机构，该阀机构包括：一个连接到与水源连接的供应管的一端的圆筒体; 阻塞身体内的通道的塞子; 支撑体，其设置在所述主体内部，并且通过将所述止动件按压到所述供给管的一侧来支撑所述止动件; 锁定单元，其用于将支撑件锁定在正常状态，并且在极高温度的情况下解锁支撑件; 以及在环境温度上升到极高水平的情况下释放锁定单元的热敏部。

4. 发明授权

US10036479B2 Alloy for a fusible plug and a fusible plug 有权
公开(公告)号：US10036479B2
公开(公告)日：2018-07-31
申请号：US11918255
申请日：2005-04-14
申请人： Rikiya Kato , Tetsuro Kikuchi , Mutsumi Deguchi , Yasuaki Koiwa
发明人： Rikiya Kato , Tetsuro Kikuchi , Mutsumi Deguchi , Yasuaki Koiwa
IPC分类号： C22C28/00 , F16K17/38
CPC分类号： F16K17/383 , C22C28/00 , F25B2400/162 , F28F2265/12
摘要： A fusible plug employs an alloy which comprises 5-8 mass % of Sn, 31-34 mass % of Bi, 0.2-4 mass % of Sb, and a remainder of In. The alloy melts at approximately 66-70° C. The alloy may further contain at most 2.0 mass % of at least one element selected from strengthening elements consisting of 0.1-1.0 mass % of Cu, 0.1-1.0 mass % of Ge, 0.1-0.7 mass % of Ag, 0.1-0.6 mass % of Au, 0.2-0.6 mass % of Zn, 0.002-0.1 mass % of Ni, and 0.01-0.1 mass % of a lanthanoid.

5. 发明授权

US09339675B2 Sprinkler head 有权
标题翻译：喷头
公开(公告)号：US09339675B2
公开(公告)日：2016-05-17
申请号：US13378438
申请日：2010-04-06
申请人： Yasuaki Koiwa
发明人： Yasuaki Koiwa
IPC分类号： A62C37/08 , A62C37/11
CPC分类号： A62C37/11 , A62C37/08
摘要： A sprinkler head A has a main body including a pipe connection portion and a frame portion. In the frame portion, an outer circumferential surface protruding to the outside of the pipe connection portion is provided, and beam-like portions (inward flanges) with which a lever of a thermo-sensitive breakup portion engages and openings obtained by cutting off the outer circumferential surface from the side of the pipe connection portion to the beam-like portion are provided at opposite positions in the outer circumferential surface. Thereby, the weight of the frame portion can be largely reduced. Therefore, the weight of a sprinkler head is reduced, so that the weight load applied to the fire extinguishing system pipes in which a large number of sprinkler heads are installed can be reduced, and the work burden due to the weight load when the sprinkler heads are conveyed and installed in the fire extinguishing system pipes can also be reduced.
摘要翻译：喷头A具有包括管连接部分和框架部分的主体。在框架部分中，设置有突出到管连接部分外侧的外周表面，并且设有热敏分解部分的杆与其接合的梁状部分（向内凸缘），并且通过切除外部从管连接部侧向波束状部侧的周面设置在外周面的相对位置。因此，可以大大减小框架部分的重量。因此，能够减少喷洒头的重量，能够减少施加于安装有大量喷洒头的灭火系统管道的重量负荷，并且能够减轻喷洒头的重量负担时的作业负担输送和安装在灭火系统中的管道也可以减少。

6. 外观设计

USD683425S1 Sprinkler protective cap 有权
标题翻译：喷头保护盖
公开(公告)号：USD683425S1
公开(公告)日：2013-05-28
申请号：US29425476
申请日：2012-06-22
申请人： Yasuaki Koiwa
设计人： Yasuaki Koiwa

7. 外观设计

USD673825S1 Sprinkler cover plate assembly installation tool 有权
标题翻译：喷头盖板组装安装工具
公开(公告)号：USD673825S1
公开(公告)日：2013-01-08
申请号：US29425464
申请日：2012-06-22
申请人： Yasuaki Koiwa
设计人： Yasuaki Koiwa

8. 发明申请

US20120090859A1 SPRINKLER HEAD 有权
标题翻译：喷头
公开(公告)号：US20120090859A1
公开(公告)日：2012-04-19
申请号：US13378438
申请日：2010-04-06
申请人： Yasuaki Koiwa
发明人： Yasuaki Koiwa
IPC分类号： A62C37/08
CPC分类号： A62C37/11 , A62C37/08
摘要： A sprinkler head A has a main body including a pipe connection portion and a frame portion. In the frame portion, an outer circumferential surface protruding to the outside of the pipe connection portion is provided, and beam-like portions (inward flanges) with which a lever of a thermo-sensitive breakup portion engages and openings obtained by cutting off the outer circumferential surface from the side of the pipe connection portion to the beam-like portion are provided at opposite positions in the outer circumferential surface. Thereby, the weight of the frame portion can be largely reduced. Therefore, the weight of a sprinkler head is reduced, so that the weight load applied to the fire extinguishing system pipes in which a large number of sprinkler heads are installed can be reduced, and the work burden due to the weight load when the sprinkler heads are conveyed and installed in the fire extinguishing system pipes can also be reduced.
摘要翻译：喷头A具有包括管连接部分和框架部分的主体。在框架部分中，设置有突出到管连接部分外侧的外周表面，并且设有热敏分解部分的杆与其接合的梁状部分（向内凸缘），并且通过切除外部从管连接部侧向波束状部侧的周面设置在外周面的相对位置。因此，可以大大减小框架部分的重量。因此，能够减少喷洒头的重量，能够减少施加于安装有大量喷洒头的灭火系统管道的重量负荷，并且能够减轻喷洒头的重量负担时的作业负担输送和安装在灭火系统中的管道也可以减少。

9. 外观设计

USD638913S1 Sprinkler head body 有权
标题翻译：喷头头体
公开(公告)号：USD638913S1
公开(公告)日：2011-05-31
申请号：US29378826
申请日：2010-11-10
申请人： Yasuaki Koiwa
设计人： Yasuaki Koiwa

10. 发明授权

US07543654B2 Sprinkler head cover and a sprinkler head 有权
标题翻译：洒水头盖和喷头
公开(公告)号：US07543654B2
公开(公告)日：2009-06-09
申请号：US10594512
申请日：2005-03-16
申请人： Yasuaki Koiwa
发明人： Yasuaki Koiwa
IPC分类号： A62C37/36 , A62C37/08 , A62C3/00 , B05B1/28 , B05B15/04
CPC分类号： A62C37/12 , A62C37/09
摘要： A sprinkler head cover including a housing adapted to be attached to a sprinkler head which is connected to a water supply piping and in which, in the case of fire, a valve disposed inside the sprinkler head is opened to allow a fire-extinguishing liquid in the water supply piping to be dispersed. A cover plate is adapted to cover the sprinkler head so that the sprinkler head cannot be seen from outside, and a mount is installed in the housing and has a hole inside thereof. The cover plate and the mount are connected to each other by a low melting point alloy melted out from the hole, and a heat collector of the sprinkler head has a structure for allowing the heat collector to come into contact with the cover plate.
摘要翻译：一种洒水头盖，包括适于附接到喷洒头的壳体，喷洒头连接到供水管道，并且其中在火灾的情况下，设置在喷洒头内部的阀打开以允许灭火液体供水管道要分散。盖板适于覆盖喷洒头，使得不能从外部看到喷头，并且安装件安装在壳体中并且在其内部具有孔。盖板和安装座通过从孔中熔融的低熔点合金彼此连接，喷头的集热器具有允许集热器与盖板接触的结构。

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