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1. 发明申请

US20160093408A1 JET PUMP FOR BOILING WATER REACTOR AND BOILING WATER REACTOR 审中-公开
标题翻译：锅炉水反应堆和沸水反应堆喷射泵
公开(公告)号：US20160093408A1
公开(公告)日：2016-03-31
申请号：US14854400
申请日：2015-09-15
申请人： KABUSHIKI KAISHA TOSHIBA
发明人： Masanobu WATANABE , Kunihiko KINUGASA , Tsutomu SHIOYAMA , Daiki TAKEYAMA
IPC分类号： G21C15/25 , G21C1/08
CPC分类号： G21C15/25 , F04F5/10 , F04F5/463 , F04F5/54 , G21C1/084 , Y02E30/31
摘要： The present embodiments provide a jet pump for a boiling water reactor as well as a boiling water reactor equipped with the jet pump, the jet pump being less prone to cause self-excited vibration in the case of both forward leakage flow and backward leakage flow. A jet pump 12 for a boiling water reactor is installed in a reactor pressure vessel of the boiling water reactor. The jet pump comprises a riser pipe 31 coupled to a reactor pressure vessel of the boiling water reactor, an inlet mixer pipe 33 coupled to the riser pipe, and a diffuser 34 coupled to the inlet mixer pipe 33 via a sliding joint 40, wherein the inlet mixer pipe 33 comprises at least one of a tapered lower end 42a with a slope angle of 0≦θa
摘要翻译：本实施例提供了一种用于沸水反应器的喷射泵以及配备有喷射泵的沸水反应器，在正向泄漏流和向后泄漏流的情况下，喷射泵不太容易引起自激振动。用于沸水反应器的喷射泵12安装在沸水反应器的反应堆压力容器中。喷射泵包括连接到沸水反应堆的反应堆压力容器的提升管31，连接到提升管的入口混合器管33和经由滑动接头40联接到入口混合管33的扩散器34，其中入口混合器管道33包括倾斜角度为0＆lt; 1lE的锥形下端42a中的至少一个;＆lt; 2°和设置在间隙处的倾斜角度为0＆amp; nlE的上锥度;＆lt; b＆lt; 2°。

2. 发明申请

US20150211387A1 STEAM TURBINE PIPE 审中-公开
标题翻译：蒸汽涡轮管
公开(公告)号：US20150211387A1
公开(公告)日：2015-07-30
申请号：US14600192
申请日：2015-01-20
申请人： KABUSHIKI KAISHA TOSHIBA
发明人： Tsutomu SHIOYAMA , Tsutomu OOISHI , Tomoo OOFUJI , Masanobu WATANABE , Daiki TAKEYAMA
IPC分类号： F01K13/00 , G05D7/03
CPC分类号： F01K13/006 , F16T1/34 , F22B37/50 , G05D7/03 , Y10T137/87788
摘要： A steam turbine pipe 1 in an embodiment is a steam turbine pipe in a steam turbine facility. The steam turbine pipe 1 includes: a steam passage 30a that leads steam from a boiler to a steam turbine; and a branching passage 40 that branches off from the steam passage 30a. The steam turbine pipe 1 further includes: a shutoff valve 32 that intervenes in the branching passage 40; and a reduced pipe part 31b that is provided at a part of the branching passage 40 between the steam passage 30a and the shutoff valve 32 and made by reducing a passage cross section of the branching passage 40.
摘要翻译：一个实施例中的蒸气涡轮管1是蒸汽涡轮机设备中的蒸汽涡轮管。蒸汽涡轮管1包括：蒸汽通道30a，其将蒸汽从锅炉引导到蒸汽轮机; 以及从蒸汽通道30a分支的分支通道40。蒸汽涡轮管1还包括：截流阀32，其插入分支通道40中; 以及减压管部31b，其设置在分支通路40的蒸汽通路30a和截止阀32的一部分之间，并且通过减小分支通道40的通道横截面而形成。

3. 发明申请

US20190292934A1 STEAM VALVE 审中-公开
公开(公告)号：US20190292934A1
公开(公告)日：2019-09-26
申请号：US16436129
申请日：2019-06-10
申请人： KABUSHIKI KAISHA TOSHIBA
发明人： Yuichi NAKAMURA , Tomoo OOFUJI , Tsutomu SHIOYAMA , Takashi ISEKI
IPC分类号： F01D17/14 , F16K1/44 , F16K1/12 , F16K1/30 , F16K51/00 , F01D25/00 , F01D17/10
摘要： A steam valve 10 of an embodiment includes: a valve element 32 of a steam control valve 30, the valve element 32 being provided to be movable in an up and down direction; a valve element 42 of a main stop valve 40, the valve element 42 being provided under the valve element 32 coaxially with the valve element 32 to be movable in the up and down direction; a valve seat 60 with which the valve element 32 and the valve element 42 come into and out of contact; and a guide tube 43 slidably supporting a valve rod 41 including the valve element 42, and having a flange portion 43a at a bottom side in a casing 20. The steam valve 10 further includes: the casing 20 housing the valve element 32, the valve element 42, the valve seat 60, and the guide tube 43; a drain discharge hole 23 formed at a bottom side of the casing 20; a drain pipe 70 provided with a shutoff valve 71 and communicating with the drain discharge hole 23; and a flow direction changing part 80 which changes a direction in which steam having passed between the valve element 32 and the valve seat 60 and flowing along the guide tube 43 flows toward the drain discharge hole 23.

4. 发明申请

US20150068207A1 STEAM TURBINE FACILITY AND METHOD OF OPERATING THE SAME 有权
标题翻译：蒸汽涡轮机设备及其运行方法
公开(公告)号：US20150068207A1
公开(公告)日：2015-03-12
申请号：US14475847
申请日：2014-09-03
申请人： KABUSHIKI KAISHA TOSHIBA
发明人： Daisuke ASAKURA , Koji KANBE , Tsutomu SHIOYAMA , Tomoo OOFUJI
IPC分类号： F01D25/32 , F01K13/00 , F01K7/38
CPC分类号： F01D25/32 , F01D25/08 , F01K7/38 , F01K13/006 , F02C6/18 , F16T1/38
摘要： In one embodiment, a steam turbine facility includes drain piping in which a shut-off valve is provided, the drain piping being either a valve drain pipe that leads a drain from the main steam regulating valve to an outside thereof, or a casing drain pipe that leads a drain from the turbine casing to an outside thereof. A heat absorber disposed in a range, upstream of the shut-off valve, of the drain piping to absorb heat of the drain piping.
摘要翻译：在一个实施例中，蒸汽轮机设备包括排放管道，其中设置有截止阀，排水管道是将排水从主蒸汽调节阀引导到其外部的排气管或套管排放管其将排水从涡轮机壳体引导到其外部。排水管道的截止阀的上游的范围内的吸热器，用于吸收排水管道的热量。

5. 发明申请

US20170022841A1 STEAM VALVE 审中-公开
标题翻译：蒸汽阀
公开(公告)号：US20170022841A1
公开(公告)日：2017-01-26
申请号：US15287145
申请日：2016-10-06
申请人： KABUSHIKI KAISHA TOSHIBA
发明人： Yuichi NAKAMURA , Tomoo OOFUJI , Tsutomu SHIOYAMA , Takashi ISEKI
IPC分类号： F01D17/14 , F16K1/44 , F16K1/12
摘要： A steam valve 10 of an embodiment includes: a valve element 32 of a steam control valve 30, the valve element 32 being provided to be movable in an up and down direction; a valve element 42 of a main stop valve 40, the valve element 42 being provided under the valve element 32 coaxially with the valve element 32 to be movable in the up and down direction; a valve seat 60 with which the valve element 32 and the valve element 42 come into and out of contact; and a guide tube 43 slidably supporting a valve rod 41 including the valve element 42, and having a flange portion 43a at a bottom side in a casing 20. The steam valve 10 further includes: the casing 20 housing the valve element 32, the valve element 42, the valve seat 60, and the guide tube 43; a drain discharge hole 23 formed at a bottom side of the casing 20; a drain pipe 70 provided with a shutoff valve 71 and communicating with the drain discharge hole 23; and a flow direction changing part 80 which changes a direction in which steam having passed between the valve element 32 and the valve seat 60 and flowing along the guide tube 43 flows toward the drain discharge hole 23.
摘要翻译：一个实施例的蒸汽阀10包括：蒸汽控制阀30的阀元件32，阀元件32设置成可沿上下方向移动; 主截止阀40的阀元件42，阀元件42与阀元件32同轴地设置在阀元件32的下方，以能够在上下方向上移动; 阀座60，阀元件32和阀元件42通过该阀座60进入和离开接触; 以及导向管43，其可滑动地支撑包括阀元件42的阀杆41，并且在壳体20的底侧具有凸缘部43a。蒸汽阀10还包括：容纳阀元件32的壳体20，阀元件42，阀座60和引导管43; 形成在壳体20的底面的排水孔23; 设有切断阀71并与排水孔23连通的排水管70; 流过方向改变部80，其改变沿着导向管43流过阀元件32和阀座60之间的蒸汽的流向流向排水孔23的方向。

6. 发明申请

US20150240838A1 VIBRATION SUPPRESSION DEVICE FOR JET PUMP AND JET PUMP 审中-公开
标题翻译：喷射泵和喷射泵的振动抑制装置
公开(公告)号：US20150240838A1
公开(公告)日：2015-08-27
申请号：US14610491
申请日：2015-01-30
申请人： KABUSHIKI KAISHA TOSHIBA
发明人： Masanobu WATANABE , Kozue MATSUKAWA , Tsutomu SHIOYAMA , Kunihiko KINUGASA , Daiki TAKEYAMA
IPC分类号： F04F5/10 , F04F5/46
CPC分类号： F04F5/10 , F04F5/46 , F04F5/54 , G21C15/25 , Y02E30/31
摘要： There is provided a vibration suppressing device for a jet pump which is located in a reactor pressure vessel of a boiling water reactor and provided with an inlet mixer pipe coupled to a riser pipe and a diffuser coupled to the inlet mixer pipe by means of a slip joint. The vibration suppressing device is provided with an extension sleeve disposed on an upper portion of the diffuser of the jet pump and constitutes an extension flow channel on a downstream side of a forward leak flow in a slip clearance formed between an inner peripheral surface of the diffuser and an outer peripheral surface of the inlet mixer pipe, and the extension sleeve has a shape such that the extension flow channel has a region in which a flow channel width thereof is constant over a predetermined or longer length.
摘要翻译：提供了一种用于喷射泵的振动抑制装置，其位于沸水反应堆的反应堆压力容器中，并且设置有连接到提升管的入口混合器管和通过滑移件联接到入口混合管的扩散器联合。振动抑制装置设置有设置在喷射泵的扩散器的上部的延伸套筒，并且构成在形成在扩散器的内周表面之间的滑动间隙中的向前泄漏流的下游侧的延伸流动通道和入口混合管的外周表面，并且延伸套筒具有这样的形状，使得延伸流动通道具有预定或更长的流动通道宽度恒定的区域。

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