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公开(公告)号：US10147508B2
公开(公告)日：2018-12-04
申请号：US14577364
申请日：2014-12-19
申请人： Gerald A. Deaver , Robin D. Sprague
发明人： Gerald A. Deaver , Robin D. Sprague
摘要： A reactor pressure vessel assembly may include a housing surrounding a reactor core, steam separators, and a chimney. Inner surfaces of the chimney and reactor core define a conduit for transporting a two phase flow stream from the reactor core through the chimney to the steam separators. The housing defines an opening. An inner surface of the housing and outer surfaces of the chimney and reactor core define an annulus in fluid communication with the opening and conduit. A feedwater sparger in the housing is connected to the at least one opening and configured to deliver a sub-cooled feedwater into the annulus. A flow barrier structure between the chimney and the steam separators may force mixing between the sub-cooled feedwater and a downcomer fluid from the steam separators. An outer steam separator may be vertically over a portion of the flow barrier structure in a plan view.
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公开(公告)号：US08792608B2
公开(公告)日：2014-07-29
申请号：US12940519
申请日：2010-11-05
CPC分类号： G21C15/25 , E21D21/008 , F16B2/14 , F16B13/068 , Y02E30/31 , Y02E30/40 , Y10S411/954
摘要： Disclosed are various wedges that may be used in a restrainer bracket of a jet pump assembly. The jet pump assembly may include a restrainer bracket having an upper bracket and a lower bracket connected to an inlet mixer. A wedge may be provided between the upper bracket and the lower bracket and a wedge rod may pass through a slotted hole of the wedge. Ends of the wedge rod may be attached to the upper and lower brackets. The restrainer bracket may further include a yolk-like member which surrounds the inlet mixer and is connected to a riser pipe. The wedge may include an inclined surface which is configured to engage with a restrainer bracket pad of the yolk-like member. The wedges may further include inner curved surfaces which contact the wedge rod and the inner curved surfaces may be part of an insert that may be inserted in the wedge.
摘要翻译： 公开了可用于喷射泵组件的限制器支架中的各种楔块。 喷射泵组件可以包括限制器支架，其具有连接到入口混合器的上支架和下支架。 可以在上支架和下支架之间设置楔形件，并且楔形杆可以穿过楔形物的开槽孔。 楔形杆的端部可以附接到上部和下部支架。 限制器支架还可以包括蛋黄状构件，其包围入口混合器并连接到提升管。 楔形物可以包括倾斜表面，该倾斜表面被构造成与蛋黄状构件的限制器支架垫接合。 楔子还可以包括接触楔形杆的内部弯曲表面，并且内部弯曲表面可以是插入楔形物的插入件的一部分。
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公开(公告)号：US08475139B2
公开(公告)日：2013-07-02
申请号：US12876567
申请日：2010-09-07
申请人： Robin D. Sprague , Lee J. Andre
发明人： Robin D. Sprague , Lee J. Andre
摘要： A method and apparatus for a Boiling Water Reactor (BWR) jet pump slip joint internal seal for an interface between an inlet mixer and a diffuser of a jet pump assembly. The internal seal effectively mitigates leakage and slip joint flow induced vibration (FIV) between the inlet mixer and diffuser to reduce damage to many of the jet pump assembly components. A metallic seal of the slip joint internal seal flares out to conform the internal seal to a range of gap sizes, and compresses or springs back to nominal dimensions as thermal expansion and contraction occurs. The internal seal is self-expanding/self-tightening, as the internal seal flares further outward as a result of the internal pressure caused by flowing fluids in an operating jet pump assembly.
摘要翻译： 用于沸水反应器（BWR）喷射泵滑动接头内部密封件的方法和装置，用于入口混合器和喷射泵组件的扩散器之间的界面。 内部密封有效地减轻了入口混合器和扩散器之间的泄漏和滑动关节流动引起的振动（FIV），以减少许多喷射泵组件部件的损坏。 滑动接头内部密封件的金属密封件弹出以使内部密封件符合一定范围的间隙尺寸，并且随着热膨胀和收缩而压缩或弹回到标称尺寸。 内部密封是自膨胀/自紧的，因为内部密封由于在操作的喷射泵组件中流动的流体引起的内部压力而进一步向外张开。
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公开(公告)号：US10024338B2
公开(公告)日：2018-07-17
申请号：US13106420
申请日：2011-05-12
摘要： A method and apparatus for a boiling water reactor (BWR) jet pump inlet mixer compliant stop. The inlet mixer compliant stop may be installed in a pocket area between a riser pipe and an inlet mixer of a BWR jet pump assembly. The inlet mixer compliant stop includes a main body and a foot that are separated via the tightening of one or more jacking bolts used to connect the main body and the foot. A cold spring attached to the main body provides a lateral force that is imparted on the inlet mixer, to force the inlet mixer away from a centerline of the riser pipe. A precise lateral force may be imparted on the inlet mixer by gauging a width of a gap between opposing bosses on a front face of the main body and a distal end of the cold spring. The inlet mixer compliant stop imparts a greater lateral force on the inlet mixer as the jacking bolts are tightened, further separating the main body from the foot, as the gap between the opposing bosses is reduced.
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公开(公告)号：US08983018B2
公开(公告)日：2015-03-17
申请号：US12969845
申请日：2010-12-16
IPC分类号： G21C3/56 , G21C15/25 , G21C17/017 , F22B1/14 , G01N1/14
CPC分类号： G21C15/25 , F22B1/143 , G01N1/14 , G21C17/017 , Y02E30/31
摘要： A method and apparatus for repairing and/or reinforcing a Boiling Water Reactor (BWR) jet pump riser pipe. The repair includes attaching two collars to the riser pipe using match drilling to drill holes through the collars and the riser pipe and plugging the holes with expandable plugs. Support columns are attached to the collars. Brace supports are slideably attached to the support columns. Gaps between each brace support and its respective collar are then narrowed as ratchet bolts may apply a force that pulls downward on an upper collar and pulls upward on a lower collar, thereby exerting a compression force on the riser pipe. A clamp assembly may also be located between the two collars that applies a hoop force on the riser pipe.
摘要翻译： 一种用于修复和/或加固沸水反应堆（BWR）喷射泵提升管的方法和装置。 修理包括使用匹配钻孔将两个套环连接到提升管，以穿过套环和提升管钻孔，并用可扩展插头堵塞孔。 支撑柱连接到项圈。 支撑支架可滑动地连接到支撑柱上。 然后，随着棘轮螺栓可以施加向上拉上一个上部轴环并在下部轴环上向上拉动，从而在提升管上施加压力，每个支撑支撑件及其相应套环之间的间隙变窄。 夹具组件也可以位于在提升管上施加环箍力的两个套环之间。
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6.发明授权Adjustable hard stops for nuclear reactor restrainer brackets and methods of using the same 失效用于核反应堆限制器支架的可调硬止动件及其使用方法公开(公告)号：US08705686B2
公开(公告)日：2014-04-22
申请号：US12980010
申请日：2010-12-28
申请人： Robin D. Sprague , Barry H. Koepke
发明人： Robin D. Sprague , Barry H. Koepke
CPC分类号： G21C15/25 , G21C13/032 , Y02E30/40
摘要： Hard stops are useable in an operating nuclear reactor to separate and bias restrainer brackets and inlet mixers. Hard stops include a lip clamp that clamps to a restrainer bracket and a wedge member that biases against the inlet mixer. The wedge member and lip clamp are engaged such that the two components can slide against one another to bias the restrainer bracket and inlet mixer. The lip clamp includes a clamp arm and an engagement member to clamp opposite sides of the restrainer bracket. Ratchet assemblies maintain selective positioning various components of the hard stops. Hard stops may be used in several different numbers, positions, and configurations in repair or modification systems. Hard stops may be installed by determining location on an outside of a restrainer bracket for the hard stop, securing the hard stop at the location, and biasing the hard stop between two components at the location.
摘要翻译： 硬停止在操作核反应堆中可用于分离和偏置限制器支架和入口混合器。 硬止动件包括夹紧到限制器支架的唇夹，以及偏压入口混合器的楔形构件。 楔形构件和唇形夹具接合，使得两个部件可以彼此滑动以偏压限制器支架和入口混合器。 唇形夹具包括夹紧臂和用于夹紧限制器支架的相对侧的接合构件。 棘轮组件保持选择性定位硬停止的各种部件。 修复或修改系统中的硬停止可用于几种不同的数字，位置和配置。 可以通过确定用于硬停止的限制器支架的外部的位置来固定硬止动件，将硬止动件固定在该位置处，并且将位置处的两个部件之间的硬停止偏置。
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公开(公告)号：US20120057992A1
公开(公告)日：2012-03-08
申请号：US12876567
申请日：2010-09-07
申请人： Robin D. Sprague , Lee J. Andre
发明人： Robin D. Sprague , Lee J. Andre
摘要： A method and apparatus for providing a Boiling Water Reactor (BWR) jet pump slip joint internal seal in the interface between an inlet mixer and a diffuser of a jet pump assembly. The internal seal provides an effective means of mitigating leakage and slip joint flow induced vibration (FIV) between the inlet mixer and diffuser to reduce damage to many of the jet pump assembly components that may otherwise be damaged by FIV. A metallic seal of the slip joint internal seal flares out to conform the internal seal to a range of gap sizes, and may be compressed or spring back to nominal dimensions as thermal expansion and contraction occurs. The internal seal is also self-expanding/self-tightening, as the internal seal flares further outward as a result of the internal pressure caused by flowing fluids in an operating jet pump assembly.
摘要翻译： 一种用于在入口混合器和喷射泵组件的扩散器之间的界面中提供沸水反应器（BWR）喷射泵滑动接头内部密封的方法和装置。 内部密封件提供了有效的方法来减轻入口混合器和扩散器之间的泄漏和滑动关节流动引起的振动（FIV），以减少可能由FIV损坏的许多喷射泵组件部件的损坏。 滑动接头内部密封件的金属密封件弹出以使内部密封件符合一定范围的间隙尺寸，并且随着热膨胀和收缩而被压缩或弹回到标称尺寸。 内部密封件也是自膨胀/自紧的，因为由于在操作的喷射泵组件中流动的流体引起的内部压力，内部密封件进一步向外张开。
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公开(公告)号：US08422618B2
公开(公告)日：2013-04-16
申请号：US12633345
申请日：2009-12-08
CPC分类号： G21C13/032 , F04F5/54 , G21C15/25 , Y02E30/40
摘要： An embodiment of the present invention provides an apparatus and system for repairing and/or maintaining a position of a first component in relation to a second component. The first and second components may be located within a reactor pressure vessel of a nuclear powerplant. The apparatus and system may attach at least one bearing plate to a horizontal surface of the first component. The apparatus and system includes structure to apply a pre-load to the first component. This may assist in maintaining the position of the first component relative to the second component.
摘要翻译： 本发明的实施例提供了一种用于修理和/或维持第一部件相对于第二部件的位置的装置和系统。 第一和第二组分可以位于核动力装置的反应堆压力容器内。 装置和系统可以将至少一个支承板附接到第一部件的水平表面。 该装置和系统包括将预加载应用于第一部件的结构。 这可以有助于维持第一部件相对于第二部件的位置。
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公开(公告)号：US20120170704A1
公开(公告)日：2012-07-05
申请号：US12982280
申请日：2010-12-30
申请人： Robin D. Sprague , Bret E. Nelson
发明人： Robin D. Sprague , Bret E. Nelson
IPC分类号： G21C15/25
CPC分类号： G21C13/032 , G21C15/25 , Y02E30/31
摘要： A method and apparatus for providing a Boiling Water Reactor (BWR) jet pump three point slip joint clamp to mitigate sleep joint leakage flow induced vibration of a BWR jet pump assembly. A collar, provided as one seamless component or in separate portions, is installed on the upper crown of a diffuser. The collar includes a lower set of fasteners and an upper set of fasteners that contact the inlet mixer and diffuser, respectively, to horizontally stabilize the inlet mixer in a fixed position inside of the diffuser. The upper fasteners may be anchored by bosses that ensure a light-weight design of the collar. An optional cantilevered seal (including a cantilevered overhang and a lip) may mitigate leakage from the slip joint interface.
摘要翻译： 一种用于提供沸水反应堆（BWR）喷射泵三点滑动接头夹以减轻BWR喷射泵组件的睡眠接头泄漏流引起的振动的方法和装置。 提供为一个无缝部件或分开的部分的轴环安装在扩散器的上冠上。 套环包括下一组紧固件和一组紧固件，其分别接触入口混合器和扩散器，以将入口混合器水平地稳定在扩散器内部的固定位置。 上部紧固件可以由凸起锚定，以确保衣领的轻量化设计。 可选的悬臂密封（包括悬臂悬臂和唇缘）可以减轻滑动接头界面的泄漏。
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公开(公告)号：US20120112036A1
公开(公告)日：2012-05-10
申请号：US12940519
申请日：2010-11-05
CPC分类号： G21C15/25 , E21D21/008 , F16B2/14 , F16B13/068 , Y02E30/31 , Y02E30/40 , Y10S411/954
摘要： Disclosed are various wedges that may be used in a restrainer bracket of a jet pump assembly. The jet pump assembly may include a restrainer bracket having an upper bracket and a lower bracket connected to an inlet mixer. A wedge may be provided between the upper bracket and the lower bracket and a wedge rod may pass through a slotted hole of the wedge. Ends of the wedge rod may be attached to the upper and lower brackets. The restrainer bracket may further include a yolk-like member which surrounds the inlet mixer and is connected to a riser pipe. The wedge may include an inclined surface which is configured to engage with a restrainer bracket pad of the yolk-like member. The wedges may further include inner curved surfaces which contact the wedge rod and the inner curved surfaces may be part of an insert that may be inserted in the wedge.
摘要翻译： 公开了可用于喷射泵组件的限制器支架中的各种楔块。 喷射泵组件可以包括限制器支架，其具有连接到入口混合器的上支架和下支架。 可以在上支架和下支架之间设置楔形件，并且楔形杆可以穿过楔形物的开槽孔。 楔形杆的端部可以附接到上部和下部支架。 限制器支架还可以包括蛋黄状构件，其围绕入口混合器并连接到提升管。 楔形物可以包括倾斜表面，该倾斜表面被构造成与蛋黄状构件的限制器支架垫接合。 楔子还可以包括接触楔形杆的内部弯曲表面，并且内部弯曲表面可以是插入楔形物的插入件的一部分。
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