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1. 发明授权

US06389094B1 Integral forged shroud flange for a boiling water reactor 失效
标题翻译：用于沸水反应堆的整体锻造护罩法兰
公开(公告)号：US06389094B1
公开(公告)日：2002-05-14
申请号：US09016905
申请日：1998-02-02
申请人： Jack T. Matsumoto , Alex B. Fife
发明人： Jack T. Matsumoto , Alex B. Fife
IPC分类号： G21C1902
CPC分类号： G21C5/10 , G21C21/00 , G21Y2002/104 , G21Y2004/305 , Y02E30/40
摘要： A forged upper shroud section which may be machined from a single piece rectangular cross-section ring forging and includes a circular flange and a cylindrical shell is described. Openings and slots are machined into the flange to align and support the shroud head. A groove is machined along an inside surface of the cylinder section, and the groove may be used to support top guide grid (not shown). An end of the cylinder section is machined with a weld prep for attachment to the core section of the shroud.
摘要翻译：描述了可以由单件矩形横截面环锻造加工并包括圆形凸缘和圆柱形壳体的锻造上部护罩部分。开口和槽被加工成法兰以对准和支撑护罩头。沿着圆筒部分的内表面加工凹槽，并且凹槽可用于支撑顶部引导格栅（未示出）。圆筒部分的端部用焊接准备加工以附接到护罩的芯部。

2. 发明授权

US06163588A Core plate and reactor internal pump differential pressure lines for a boiling water reactor 失效
标题翻译：用于沸水反应堆的核心板和反应堆内部泵差压管线
公开(公告)号：US06163588A
公开(公告)日：2000-12-19
申请号：US219968
申请日：1998-12-23
申请人： Jack T. Matsumoto , Alex B. Fife , Gary J. Ballas
发明人： Jack T. Matsumoto , Alex B. Fife , Gary J. Ballas
IPC分类号： G21C1/08 , G21C5/10 , G21C17/02 , G21C17/032
CPC分类号： G21C5/10 , G21C1/08 , Y02E30/40
摘要： A modular differential pressure measuring system for a boiling water nuclear reactor pressure vessel is described. The modular pressure differential system includes a plurality of pressure lines having a plurality of pressure line sections. The system also includes a shroud having at least one replaceable shroud section. Each shroud section includes at least one pressure line section which is configured to connect to and disconnect from corresponding pressure line sections in adjacent shroud sections without welding. Additionally, the system includes a reactor bottom head petal section having a shroud support flange and a plurality of bores defining pressure line sections wherein at least one pressure line section of said bottom head petal is configured to couple with a corresponding pressure line section of an adjacent shroud section. The modular pressure system does not require cutting of the pressure lines or pressure line supports for replacement of the replaceable shroud sections. Additionally, the modular differential pressure system does not require welding of pressure lines and/or pressure line supports during installation of a replaceable shroud section.
摘要翻译：描述了一种用于沸水核反应堆压力容器的模块化差压测量系统。模块化压差系统包括具有多个压力线段的多个压力管线。该系统还包括具有至少一个可替换的护罩部分的护罩。每个护罩部分包括至少一个压力线段，其被构造成在没有焊接的情况下连接到相邻护罩部分中的相应压力管线部分并且与其断开。另外，该系统包括反应器底部头部花瓣部分，其具有护罩支撑凸缘和限定压力线部分的多个孔，其中所述底部头花瓣的至少一个压力线部分被配置成与相邻的压力线的相应的压力线部分护罩部分。模块化压力系统不需要切割压力管线或压力管路支架来更换可更换的护罩部分。此外，模块化差压系统在安装可更换的护罩部分期间不需要焊接压力管线和/或压力管路支撑。

3. 发明授权

US06188741B1 Machined stub tube in a bottom head of a boiling water reactor 失效
标题翻译：在沸水反应堆的底部头部加工短管
公开(公告)号：US06188741B1
公开(公告)日：2001-02-13
申请号：US09130751
申请日：1998-08-07
申请人： Gary J. Ballas , Jack T. Matsumoto , Alex B. Fife
发明人： Gary J. Ballas , Jack T. Matsumoto , Alex B. Fife
IPC分类号： G21C1300
CPC分类号： G21C13/028 , G21C13/036 , G21Y2002/103 , G21Y2002/206 , G21Y2002/302 , G21Y2002/40 , G21Y2004/30 , Y02E30/40 , Y10T29/49826
摘要： An integral stub tube which simplifies the reactor pressure vessel fabrication process, provides a structural transition between the penetration and head, and facilitates future remote inspection of the attachment weld is described. In one embodiment, a stub tube is machined into the bottom head dome. Specifically, a penetration is formed in the bottom head dome by a bore having a stub tube portion. The stub tube portion has a cylindrical shape and a length of the stub tube portion is selected to provide a transition between a penetration housing and an adjacent portion of bottom head dome. The penetration housing extends through the penetration, in the dome. A weld attaches the stub tube portion to the penetration housing.
摘要翻译：简化反应堆压力容器制造过程的整体短管提供了穿透和头部之间的结构转变，并且有助于将来对附着焊缝的远程检查。在一个实施例中，短管被加工到底部顶部圆顶中。具体地，通过具有短管部分的孔，在底部顶部圆顶中形成穿透。短管部分具有圆柱形形状，并且短截线管部分的长度被选择为在穿透壳体和底部顶部圆顶的相邻部分之间提供过渡。穿透壳体延伸穿过穹顶中的穿透。焊缝将短截线管部分附接到穿透壳体。

4. 发明授权

US6091791A Shroud attachment for a boiling water reactor 失效
标题翻译：用于沸水反应器的护套附件
公开(公告)号：US6091791A
公开(公告)日：2000-07-18
申请号：US17032
申请日：1998-02-02
申请人： Jack T. Matsumoto , Alex B. Fife
发明人： Jack T. Matsumoto , Alex B. Fife
IPC分类号： G21C5/10 , G21C13/024 , G21C9/00
CPC分类号： G21C13/024 , G21Y2002/402 , G21Y2004/301 , G21Y2004/504 , Y02E30/40
摘要： A shroud attachment assembly which provides both structural support for the shroud and a seal between the shroud and shroud support is described. In one specific embodiment, the shroud attachment assembly includes a shroud flange formed integral with the shroud, and a pump deck flange formed integral with the pump deck. The shroud flange extends over the pump deck flange, and a plurality of studs extend through aligned openings in the flanges. In addition, a plurality of wedges are secured to the shroud flange by studs, and the wedges extend between the shroud flange and the pump deck flange. Generally, the studs which extend through aligned openings in the shroud and pump deck flanges transfer vertical loads from the shroud to the pump deck, and the wedges transfer horizontal loads from the shroud to the pump deck.
摘要翻译：描述了提供罩的结构支撑和护罩和护罩支撑之间的密封的护罩附接组件。在一个具体实施例中，护罩附接组件包括与护罩一体形成的护罩凸缘和与泵甲板一体形成的泵板凸缘。护罩凸缘延伸越过泵板凸缘，并且多个螺柱延伸穿过法兰中的对准开口。此外，多个楔通过螺栓固定到护罩凸缘上，并且楔形件在护罩凸缘和泵板凸缘之间延伸。通常，延伸穿过护罩和泵甲板法兰中的对齐开口的螺柱将垂直载荷从护罩传递到泵甲板，并且楔形件将水平载荷从护罩传递到泵甲板。

5. 发明授权

US06504888B1 Apparatus and methods of flow measurement for a boiling water reactor internal pump 失效
标题翻译：沸水反应堆内部泵的流量测量装置和方法
公开(公告)号：US06504888B1
公开(公告)日：2003-01-07
申请号：US09690623
申请日：2000-10-17
申请人： Alex B. Fife , Hwang Choe , Jack T. Matsumoto
发明人： Alex B. Fife , Hwang Choe , Jack T. Matsumoto
IPC分类号： G21C17032
CPC分类号： G21C15/243 , G21C17/032 , G21Y2002/204 , G21Y2004/30 , G21Y2004/40 , Y02E30/31
摘要： A reactor pressure vessel (RPV) for a nuclear reactor that permits measurement of the flow through each reactor internal pump (RIP) is described. The reactor pressure vessel also includes at least one reactor internal pump that includes an impeller and a pump diffuser. At least two seal rings extend circumferentially around an outer surface of the diffuser housing outer wall and are located in circumferential grooves in the housing outer wall. At least one lateral bore extends through the housing outer wall into a diffuser housing longitudinal flow passage. Each lateral bore is located in an area between two adjacent seal rings, with each inter-seal ring area containing one lateral bore. At least one pressure tap bore extends from the outer surface of the RPV bottom head petal, through the pump deck to an inner surface of a pump deck opening. Each pressure tap bore is aligned with an area in the RIP containing a corresponding lateral bore.
摘要翻译：描述了允许测量通过每个反应器内部泵（RIP）的流动的用于核反应堆的反应堆压力容器（RPV）。反应堆压力容器还包括至少一个包括叶轮和泵扩散器的反应堆内部泵。至少两个密封环围绕扩散器壳体外壁的外表面周向延伸并且位于壳体外壁中的圆周凹槽中。至少一个侧孔通过壳体外壁延伸到扩散器壳体纵向流动通道中。每个侧孔位于两个相邻的密封环之间的区域中，每个密封环区域包含一个横向孔。至少一个压力膛孔从RPV底部头部花瓣的外表面延伸穿过泵板，到达泵的甲板开口的内表面。每个压力孔与RIP中包含相应侧向孔的区域对齐。

6. 发明授权

US06426986B1 Forged nozzle shell course for a pressure vessel 有权
标题翻译：用于压力容器的锻造喷嘴外壳
公开(公告)号：US06426986B1
公开(公告)日：2002-07-30
申请号：US09644378
申请日：2000-08-23
申请人： Alex B. Fife , Jack T. Matsumoto
发明人： Alex B. Fife , Jack T. Matsumoto
IPC分类号： G21C1302
CPC分类号： G21C13/02 , G21Y2002/302 , G21Y2002/40 , G21Y2004/305 , Y02E30/40
摘要： A forged nozzle shell course for a pressure vessel includes shell course comprising at least one reinforcement portion extending radially outward from an outer surface of the shell course with each reinforcing portion including a nozzle having a radius. The nozzle includes a bore extending from an outside surface of the reinforcing portion to an inside surface of the shell course, and at least one extension attachment surface located adjacent to and coaxial to the bore. The reinforcing portion having a longitudinal dimension equal to about 2.0 times the radius of the nozzle, and a circumferential dimension equal to about 1.5 times the radius of the nozzle, measured from the centerline of the nozzle bore.
摘要翻译：用于压力容器的锻造喷嘴壳层包括壳层，其包括从壳层的外表面径向向外延伸的至少一个加强部分，每个加强部分包括具有半径的喷嘴。喷嘴包括从加强部分的外表面延伸到壳层的内表面的孔，以及邻近孔同轴的至少一个延伸附接表面。该加强部分具有等于喷嘴半径的约2.0倍的纵向尺寸，以及从喷嘴孔的中心线测量的等于喷嘴半径的约1.5倍的圆周尺寸。

7. 发明授权

US06240156B1 Top guide grid attachment for a boiling water reactor 失效
标题翻译：用于沸水反应堆的顶部导向栅格附件
公开(公告)号：US06240156B1
公开(公告)日：2001-05-29
申请号：US09096675
申请日：1998-06-12
申请人： Jack T. Matsumoto , Alex B. Fife
发明人： Jack T. Matsumoto , Alex B. Fife
IPC分类号： G21C1900
CPC分类号： G21C5/02 , Y02E30/40
摘要： A top guide assembly for securing a top guide to a shroud which enables the top guide to be remotely removed without removing any other parts of the shroud or the core support structure is described. In one embodiment, the top guide assembly includes a hanger for being secured in a groove formed in an inner surface of the shroud, and the hanger includes a ledge having a plurality of openings therein. The top guide rests on an upper surface of the ledge. The assembly also includes wedges for being positioned in pockets formed in the top guide and tightly fit between the hanger and the top guide, and threaded studs for extend through respective aligned bores in the wedges and openings in the ledge. A nut and a keeper are engaged to one end of each stud to retain the wedge between the hanger and the top guide grid.
摘要翻译：描述了用于将顶部引导件固定到护罩的顶部引导组件，其使得能够远离地移除顶部引导件而不移除护罩或芯部支撑结构的任何其它部件。在一个实施例中，顶部引导组件包括用于固定在形成在护罩的内表面中的凹槽中的悬挂器，并且悬挂器包括在其中具有多个开口的凸缘。顶部导轨位于凸缘的上表面上。组件还包括用于定位在形成在顶部引导件中的凹穴中并且紧密地配合在悬挂器和顶部引导件之间的楔块以及用于延伸穿过凸缘中的楔形和开口中的相应对准的孔的螺柱。螺母和保持器接合到每个螺柱的一端以将楔子保持在悬挂器和顶部导轨之间。

8. 发明授权

US5995575A In-core guide tube restraint for a boiling water reactor 失效
标题翻译：用于沸水反应堆的内芯导向管约束
公开(公告)号：US5995575A
公开(公告)日：1999-11-30
申请号：US016898
申请日：1998-02-02
申请人： Jack T. Matsumoto , Alex B. Fife , Charles A. Dalke
发明人： Jack T. Matsumoto , Alex B. Fife , Charles A. Dalke
IPC分类号： G21C5/10 , G21C5/02 , G21C9/00
CPC分类号： G21C5/02 , G21Y2002/207 , G21Y2002/302 , G21Y2002/402 , G21Y2004/301 , Y02E30/40
摘要： A restraint assembly which is a bolted lattice structure for preventing the in-core guide tubes from experiencing excessive flow induced vibrations is described. In one embodiment, the restraint assembly includes upper and lower restraint brackets secured to an in-core housing and in-core guide tube assembly. The restraint brackets are located approximately equal distance from the end supports of the in-core guide tube and in-core housing assembly. The upper restraint bracket is welded between sections of the in-core guide tube, and the lower restraint bracket is welded between the in-core guide tube and the in-core housing. Each bracket includes four flanges, and each flange has tapped, or threaded, openings therein. Each bracket also includes cylindrical sections extending from the flanges, and in one embodiment, the cylindrical sections have inner and outer diameters which match the inner and outer diameters of the in-core housing and the in-core guide tube. The brackets are interconnected by plates and threaded bolts. More specifically, the brackets of each ICGT and ICH assembly are connected to brackets of adjacent assemblies by plates and bolts. The bolts are sized and torqued to ensure that a sufficient preload is maintained to prevent any slippage. The bolt heads are tack welded to the restraint plates after final assembly. The assembly also includes a shroud attachment plate and a restraint support bracket configured to be welded to a shroud.
摘要翻译：描述了一种用于防止芯内引导管经历过度流动引起的振动的螺栓格子结构的约束组件。在一个实施例中，约束组件包括固定到芯体壳体和芯内引导管组件的上和下约束支架。约束支架位于与内芯导向管和芯体外壳组件的端部支撑件大致相等的距离处。上部约束支架焊接在芯体引导管的两段之间，下限托架焊接在芯内引导管与芯体外壳之间。每个支架包括四个凸缘，每个凸缘在其中都有螺纹或螺纹的开口。每个支架还包括从凸缘延伸的圆柱形部分，并且在一个实施例中，圆柱形部分具有与内芯壳体和芯部内导向管的内径和外径匹配的内径和外径。托架通过板和螺栓连接。更具体地说，每个ICGT和ICH组件的支架通过板和螺栓连接到相邻组件的支架上。螺栓的尺寸和扭矩确保了保持足够的预载以防止任何滑动。螺栓头在最终组装后，被固定在约束板上。组件还包括护罩附接板和构造成焊接到护罩的约束支撑支架。

9. 发明授权

US5995574A Integral forged shroud flange for a boiling water reactor 失效
标题翻译：用于沸水反应堆的整体锻造护罩法兰
公开(公告)号：US5995574A
公开(公告)日：1999-11-30
申请号：US16906
申请日：1998-02-02
申请人： Jack T. Matsumoto , Alex B. Fife
发明人： Jack T. Matsumoto , Alex B. Fife
IPC分类号： G21C5/10 , G21C11/00
CPC分类号： G21C5/10 , G21Y2002/302 , G21Y2004/504 , Y02E30/40
摘要： A shroud including an integral track for mounting inspection and cleaning tooling is described. In one embodiment, the shroud includes substantially cylindrical first and second shroud sections having a main body with a first end and a second end. One shroud first end has a weld prepared surface. Each shroud section includes a ledge in an exterior surface adjacent the first end. A weld is formed between the weld prepared surface and the first end of the second shroud section. At the weld, the shroud is substantially geometrically balanced with equal material on both sides of the weld. A geometrically balanced weld provides the same heat sink characteristics on both sides of the weld, and allows for a more uniform distribution of weld residual stresses.
摘要翻译：描述了一种包括用于安装检查和清洁工具的整体轨道的护罩。在一个实施例中，护罩包括基本上圆柱形的第一和第二护罩部分，其具有带有第一端和第二端的主体。一个护罩第一端具有焊接准备的表面。每个护罩部分包括邻近第一端的外表面中的突出部。在焊接准备的表面和第二护罩部分的第一端之间形成焊缝。在焊缝处，护罩在焊缝两侧均匀地与几何平衡。几何平衡焊缝在焊缝的两侧提供相同的散热器特性，并允许更均匀的焊接残余应力分布。

10. 发明授权

US5920603A Forged core plate for a boiling water reactor 失效
标题翻译：用于沸水反应堆的锻造芯板
公开(公告)号：US5920603A
公开(公告)日：1999-07-06
申请号：US016903
申请日：1998-02-02
申请人： Jack T. Matsumoto , Alex B. Fife
发明人： Jack T. Matsumoto , Alex B. Fife
IPC分类号： G21C5/10 , G21C5/06 , G21C15/00
CPC分类号： G21C5/06 , G21Y2002/103 , G21Y2002/104 , G21Y2002/204 , G21Y2002/302 , G21Y2004/305 , G21Y2004/40 , Y02E30/40
摘要： A forged core plate fabricated from a single piece stainless steel forging is described. The plate has a substantially circular shape and penetrations are provided in the core plate to allow passage of control rod blades into the core and direct recirculation flow past the fuel assemblies. The penetrations are formed from machining "5 holes" per penetration. Particularly, each penetration includes a center through hole to allow passage of the control rod blade and control rod blade guide tube. The through hole has a smaller diameter at the plate top surface to provide a tighter fit to the outside diameter of the guide tube to maintain alignment and minimize flow leakage. The through hole is enlarged at the core plate bottom surface to allow clearance in order to improve the installation and removal of the guide tube. Each penetration also include four peripheral blind holes to direct the recirculation flow into the flow holes located on the sides of the guide tube. The blind holes do not extend completely through the plate. When the guide tube is installed in the core plate, the flow holes in the side of the guide tube is located approximately 1/3 of the way down from the plate top surface.
摘要翻译：描述了由单件不锈钢锻造制造的锻造芯板。该板具有基本上圆形的形状，并且在芯板中设有穿孔以允许控制杆叶片进入芯体并且直接再循环流经燃料组件。穿透通过每次穿透加工“5孔”形成。特别地，每个穿透包括中心通孔，以允许控制杆叶片和控制杆叶片引导管通过。通孔在板顶表面处具有较小的直径，以提供与引导管的外径更紧密的配合，以保持对准并使流量最小化。通孔在芯板底面处扩大以允许间隙，以改进导管的安装和拆卸。每个穿透还包括四个外围盲孔，用于将再循环流引导到位于导管侧面的流动孔中。盲孔不能完全穿过板。当导管安装在芯板中时，导管侧面的流动孔位于从板顶表面向下的大约+ E，fra 1/3 + EE。

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