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公开(公告)号：US5465497A
公开(公告)日：1995-11-14
申请号：US199408
申请日：1994-02-22
申请人： Balasubramanian S. Kowdley , Thomas A. Lewis , Robert S. Tsukida , Edward W. Saxon , Frank Ortega , Paul Debenedetto
发明人： Balasubramanian S. Kowdley , Thomas A. Lewis , Robert S. Tsukida , Edward W. Saxon , Frank Ortega , Paul Debenedetto
CPC分类号： G21C17/12 , G21Y2002/207 , G21Y2002/40 , G21Y2004/501
摘要： A method and a gage for testing uncoupling tools to ensure proper operation prior to use. The uncoupling tool gage simulates the actual conditions under which the uncoupling tool is expected to perform. The gage has a cylindrical guide for slidably receiving a magnet housing. The guide is supported such that it is concentric with respect to the probe of an uncoupling tool to be checked. The magnet housing is placed inside the cylindrical guide and then moved toward the bottom thereof. When the magnet moves into proximity with a switch in the uncoupling tool probe, an indicator lamp in the uncoupling tool illuminates. If the face of the magnet housing is within a range band on the outside of the guide when the indicator is illuminated, then the uncoupling tool is operating properly.
摘要翻译： 用于测试分离工具的方法和量具，以确保在使用前正确操作。 解耦工具计数器模拟解耦工具预期执行的实际条件。 量具具有用于可滑动地接收磁体壳体的圆柱形引导件。 引导件被支撑成使得其相对于要检查的解耦工具的探头是同心的。 磁体外壳放置在圆柱形引导件内，然后向其底部移动。 当磁头移动到非耦合工具探针中的开关附近时，解耦工具中的指示灯亮起。 如果当指示灯点亮时，磁体外壳的表面在引导件外侧的范围内，则解耦工具正常工作。
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公开(公告)号：US5524030A
公开(公告)日：1996-06-04
申请号：US199405
申请日：1994-02-22
申请人： Thomas W. White , Balasubramanian S. Kowdley , Thomas A. Lewis , Christopher J. Miller , Robert S. Tsukida , Andrew S. Wong , Thomas R. Eckmann , Edward W. Saxon , Frank Ortega
发明人： Thomas W. White , Balasubramanian S. Kowdley , Thomas A. Lewis , Christopher J. Miller , Robert S. Tsukida , Andrew S. Wong , Thomas R. Eckmann , Edward W. Saxon , Frank Ortega
CPC分类号： G21C7/16 , G21Y2002/40 , G21Y2002/50 , Y02E30/39
摘要： An uncoupling tool has a two-module design: one module being a driver assembly for developing the uncoupling movement and the other module being a probe assembly for verifying the uncoupled condition. The probe assembly attaches to the threaded end of the piston tube with its probe extending inside the piston tube. The driver assembly attaches to the CRD ring flange. The probe assembly detects the ring magnet in the drive piston using analog position sensors which operate on the principle of the Hall effect and solid state circuitry. A top sensor provides a signal indicating that the control rod is in its "full out" position; a bottom sensor provides a signal indicating that the control rod is uncoupled; and an intermediate sensor provides a signal indicating that the control rod is in a transition position between the "full out" and uncoupled positions. The probe incorporates spacers which focus the magnetic flux onto the sensors. To uncouple the control rod, the probe assembly is lifted using a separate driver assembly.
摘要翻译： 解耦工具具有双模块设计：一个模块是用于开发非耦合运动的驱动器组件，而另一模块是用于验证非耦合状态的探针组件。 探针组件连接到活塞管的螺纹端，其探针在活塞管内延伸。 驱动器组件连接到CRD环形法兰。 探头组件使用以霍尔效应和固态电路为原理的模拟位置传感器来检测驱动活塞中的环形磁体。 顶部传感器提供指示控制杆处于其“完全”位置的信号; 底部传感器提供指示控制杆脱离的信号; 并且中间传感器提供指示控制杆处于“完全”和非耦合位置之间的过渡位置的信号。 探头包含将磁通量聚焦到传感器上的间隔物。 为了使控制杆脱开，探针组件使用单独的驱动器组件提升。
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公开(公告)号：US5347554A
公开(公告)日：1994-09-13
申请号：US135872
申请日：1993-10-12
CPC分类号： G21C19/00 , G21C19/207 , G21Y2002/301 , G21Y2002/40 , G21Y2004/50
摘要： An improved tool for removing a highly contaminated outer filter from a control rod drive during a maintenance operation. The tool slides onto the control rod drive and surrounds the outer filter with a shield. The shield has a window for removing the screws used to mount the outer filter on the control rod drive. The tool has a support for the spud on the inside thereof. A U-shaped handle is slidably inserted into guideways so that it interlocks with circumferential slots in the shield. The arms of the inserted U-handle latch underneath the ring flange of the outer filter, whereby the outer filter is captured by the tool. The filter-mounting screws are then removed by unscrewing through the aligned window in the shield. Thereafter, the outer filter is removed from the CRD when the outer filter removal tool is lifted.
摘要翻译： 一种改进的工具，用于在维护操作期间从控制杆驱动器中去除高度污染的外部过滤器。 该工具滑动到控制杆驱动器上，并用屏蔽件围绕外部过滤器。 屏蔽罩有一个窗口用于拆卸用于将外部过滤器安装在控制杆驱动器上的螺钉。 该工具在其内部具有支撑件。 U形手柄可滑动地插入导轨中，使其与屏蔽件中的周向狭槽互锁。 插入的U形手柄的臂在外部过滤器的环形凸缘下方锁定，由此外部过滤器被工具捕获。 然后通过拧松屏蔽中对齐的窗口拧下过滤器安装螺钉。 此后，当外部过滤器去除工具被提起时，外部过滤器从CRD中移除。
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公开(公告)号：US5394446A
公开(公告)日：1995-02-28
申请号：US135811
申请日：1993-10-12
CPC分类号： G21C7/16 , G21Y2002/204 , G21Y2004/304 , G21Y2004/501 , Y02E30/39
摘要： A gauge for ensuring that the uncoupling rod of a control rod drive is properly inserted in the center hole of the spud and not in one of the outer lobes, i.e., spud flow holes, which communicate with the center hole. The uncoupling rod is inserted in the spud. Then the gauge is placed on top of the spud with a centering ring protruding into the spud. The uncoupling rod is correctly installed if it is free to slide inside the gauge and the spud. The gauge is also provided with a ring to protect the spud during transfer of the control rod drive.
摘要翻译： 用于确保控制棒驱动器的非耦合杆适当地插入到轴的中心孔中而不是在与中心孔连通的外凸角中的一个，即，流出孔中。 分离杆插入到支脚中。 然后将量规放置在立柱的顶部，并具有突出到支脚中的定心环。 如果在量规和标准杆内自由滑动，则解耦杆正确安装。 仪表还设有一个环，用于在控制杆传动过程中保护喷头。
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公开(公告)号：US5446972A
公开(公告)日：1995-09-05
申请号：US228777
申请日：1994-04-18
CPC分类号： G01B3/42 , G21C17/00 , G21C17/017 , G21Y2002/104 , G21Y2002/204 , G21Y2004/501
摘要： A tool for checking the length of a control rod drive measured from the top of the control rod drive flange to the end of the uncoupling rod. The tool is a GO--NO--GO gauge with tight tolerance. The top of the tool supports a gage which has an arm that pivots about an axis parallel to the tool axis. The arm has a stepped notch with a predetermined height equal to the length tolerance range (e.g., 0.0625 inch). The length is considered acceptable when the gage is rotated and the first edge of the stepped notch on the arm just clears the end of the uncoupling rod but the second edge stops the gage from pivoting any further. The length is not acceptable if the first edge of the stepped notch on the arm abuts the uncoupling rod, preventing the gage from pivoting any further, or if the gage misses the uncoupling rod entirely.
摘要翻译： 用于检查从控制杆驱动法兰的顶部到解耦杆的端部测量的控制棒驱动器的长度的工具。 该工具是具有严格公差的GO-NO-GO量规。 该工具的顶部支撑一个具有围绕平行于工具轴线的轴线转动的臂的量具。 臂具有等于长度公差范围（例如，0.0625英寸）的预定高度的台阶式切口。 当量具旋转时，该长度被认为是可以接受的，并且臂上阶梯式切口的第一边缘刚好清除了非耦合杆的端部，但是第二边缘阻止了量具进一步枢转。 如果臂上的阶梯式切口的第一边缘抵靠非耦合杆，则防止长度不能接受，防止计量器进一步枢转，或者如果计量器完全错过解耦棒。
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公开(公告)号：US5377241A
公开(公告)日：1994-12-27
申请号：US135091
申请日：1993-10-12
CPC分类号： G21C19/02 , G21Y2002/40 , G21Y2002/501 , G21Y2004/501
摘要： An effluent container has two halves which fit together to form a cylinder, open at the top, for catching residual contaminated water falling from the control rod drive (CRD) housing under the influence of gravity when the seal between the CRD housing and the CRD is broken. The container has an aperture which fits around the extension rod that supports the CRD when the mounting bolts are removed. The container halves are held together by elastic cords stretched between hooks on the side-walls. The effluent container has L-shaped slots which hook onto the bracing bolts of the sway brace system to support the container in position for catching falling water. Spilled water drains out of the container to a sump.
摘要翻译： 出水容器具有两个半部，两个半部组合在一起，形成一个在顶部开口的气缸，用于当CRD壳体和CRD之间的密封是重力时，在重力作用下捕获从控制杆驱动器（CRD）壳体落下的残留污染水 破碎。 当卸下安装螺栓时，容器具有围绕延伸杆安装的孔，该孔支撑CRD。 容器半部通过在侧壁上的钩之间拉伸的弹性帘线保持在一起。 流出物容器具有L形槽，其钩住摇摆支架系统的支撑螺栓，以将容器支撑在适当位置以捕获落水。 溢出的水从集装箱中排出一个水槽。
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