Bizarre Patents
Apparatus for Simulating a High Five
A self-righting hand-arm configuration which is adapted to pivot when struck by a user, thereby simulating a "high five."
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| Number | Title | Issue Date |
| 7315603 | Semiconductor storage device, method for protecting predetermined memory element and portable electronic equipment There is provided a semiconductor storage device and portable electronic equipment including a nonvolatile memory element that can easily be miniaturized. The semiconductor storage device includes a memory cell array 21 in which a plurality of memory elements... | 01/01/2008 |
| 7289590 | Method and apparatus for handling a tube guide of upper interval equipment of a nuclear reactor A device for handling a guide tube assembly. The assembly has an upper tube and a lower tube in each of which there are fixed horizontal guide plates arranged such that they are spaced apart in an axial direction. The handling device itself includes a gripper having... | 10/30/2007 |
| 7246663 | Positive engagement indicator for wireline fishing operations A device and method for retrieving a tool string from downhole locations through the use of one or more engagement sensors. The one or more engagement sensors are activated by the tool string engaging an overshot device. The one or more engagement sensor may be mech... | 07/24/2007 |
| 7139353 | Boiling water reactor nuclear fuel assembly lifting support A lifting support for a boiling water reactor nuclear fuel assembly comprising a grappling head configured to allow attachment to a lifting device, a body with an upper end and a lower end, the upper end connected to the grappling head, the body configured to be ins... | 11/21/2006 |
| 6418178 | Control rod coupling assembly for a nuclear reactor A control rod coupling assembly for coupling a nuclear reactor control rod to a control rod drive mechanism is disclosed. The control rod drive mechanism includes an index tube and a bayonet head. The control rod includes blades and a tube at the intersec... | 07/09/2002 |
| 6333955 | Control rod and manufacturing method for the control rod To reduce the manufacturing processes of a control rod and shorten the time required for manufacturing a control rod, for the lower part support member 7, the thin parts 11A and 11B are formed in the neighborhood of each of the left and right sides of the... | 12/25/2001 |
| 6327322 | Interlock assembly for burnable poison rod transfer device A transfer device for moving a poison rod assembly between fuel cells in a nuclear fuel storage facility coupleable to an overhead crane. The poison rod assembly has a plurality of poison rods disposed in rows. The device includes an elongated outer membe... | 12/04/2001 |
| 6229867 | Spring actuated cable controlled rod for the control rods in a reactor A spring set within a control rod guide tube in a nuclear reactor biases a control rod for movement into the reactor core. The spring set includes at least three springs in series, two being under compression and one in tension. The control rod may be dis... | 05/08/2001 |
| 5778034 | Control rod drive mechanism This control rod drive limiter removes the need for piping for extraction drive, increases the reliability of linkage with respect to the control rod, and removes the need of a speed limiter for the control rod, since there is no need to assume that the l... | 07/07/1998 |
| 5761260 | Device for uncoupling a control rod from an absorbing element for a nuclear reactor The control rod (4) carrying absorbing elements (5) contains an operating rod (37) forced upwards by washers (38) and projecting by a push button end (52). When it is decided to uncouple the absorbing elements, the control rod (4) is raised, so that the t... | 06/02/1998 |
| 5606582 | Device for the automatic disconnection of a control rod and a nuclear reactor absorber cluster The device makes it possible to automatically disconnect an absorber fuel rod cluster (6) from its control rod (5) when the pressure and/or temperature within the vessel of the reactor have dropped below a certain value. Use is mainly made of a thermal mo... | 02/25/1997 |
| 5592520 | Latch handle for a control road in a nuclear reactor A window in the control rod for a nuclear reactor has flanges along its opposite sides. A latch handle has slots along its opposite sides. The latch handle is sized and configured such that in a first angular orientation, the latch handle may be received ... | 01/07/1997 |
| 5517536 | Magnetic coupling device for control rod drive A control rod drive having a magnetic coupling device which eliminates the need for packing-type seal assemblies for preventing leakage from the reactor pressure vessel adjacent the spindle. The magnetic coupling device includes a driving rotor and a driv... | 05/14/1996 |
| 5394446 | Uncoupling rod centering gauge 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... | 02/28/1995 |
| 5378064 | Control rod driving system A control rod driving system for controlling a reactor core disposed in a reactor pressure vessel comprises a control rod and a control rod driving mechanism. The control rod has an inner hollow portion extending in a longitudinal direction thereof and th... | 01/03/1995 |
| 5331675 | Apparatus and a method for handling a control rod A control rod handling apparatus and method for exchanging a control rod connected to a control rod drive mechanism by a bayonet coupling. The control rod handling apparatus comprises a member or connection to a fuel exchange apparatus, a fixing part havi... | 07/19/1994 |
| 5241570 | Core-control assembly with a fixed fuel support In a boiling-water nuclear reactor, a core-control assembly comprises a control rod, a fuel support, a control-rod guide tube, a control-rod drive, and a control-rod-drive housing. The fuel support is welded to the control-rod guide tube. To remove the co... | 08/31/1993 |
| 5217677 | Control rod drive assembly A control rod drive assembly includes a translatable drive tube joined to a control rod by a coupling having complementary screw threads. A purge flow is channeled between the screw threads to flush away debris therebetween for preventing galling of the t... | 06/08/1993 |
| 5200140 | Cable control rod drive assembly A control rod is selectively positioned in a nuclear reactor core inside a reactor pressure vessel by a drive assembly. The assembly includes a flexible cable releasably joined to the control rod by a coupling. A drive is joined to the cable for selective... | 04/06/1993 |
| 5183626 | Control cluster including demountable fuel for a nuclear fuel assembly For each of the demountable fuel rods (23), the end part of the protective tube (27), which end part is open towards the exterior, has a reduced diameter over a certain length and comprises at least one seating which does or does not pass through its wall... | 02/02/1993 |
| 5141711 | Reconstitutable control assembly having removable control rods with detachable split upper end plugs A reconstitutable control assembly has a spider structure which supports control rods by detachable attachment joints. Each attachment joint includes a hollow connecting finger on the spider structure and an elongated detachable split upper end plug on ea... | 08/25/1992 |
| 5114663 | Electromagnet for nuclear reactor shutdown system An electromagnet for a nuclear reactor shutdown system, which comprises upper and lower cores disposed in an axially symmetrical arrangement and capable of latching with and delatching from each other. When an ambient temperature increases, the upper and ... | 05/19/1992 |
| 5110535 | Turbine-driven control rod drive A drive for positioning a control rod in a nuclear reactor core is disclosed. The drive includes a turbine rotor joined to a hollow spindle in a housing. The spindle has a piston disposed therein and a piston rod extending therefrom and through a bottom e... | 05/05/1992 |
| 5106572 | Centering and fixation device for a cluster guide flange of a core plate of a nuclear reactor A device for the centering and fixation of a cluster guide flange and of a core plate of a nuclear reactor, extending parallel to one another in horizontal planes with a predetermined spacing. The device includes at least two axial guiding spindles of fla... | 04/21/1992 |
| 5059386 | Mechanism for the automatic release of control bars in a nuclear reactor A mechanism for automatically releasing the control bars in a nuclear reactor following an increase of the temperature in the nuclear boiler includes a thermal sensor suitable for producing a mechanical force or a torque as a function of the temperature a... | 10/22/1991 |
| 4960560 | Spent fuel storage rack for BWR fuel assemblies A spent fuel rack for storing fresh fuel assemblies, or spent fuel assemblies removed from a nuclear reactor, which includes a base plate having multiple cells of modular construction welded at their bottom ends to the plate. The cells are formed of L-sha... | 10/02/1990 |
| 4904443 | Control rod drive with upward removable drive internals The control rod drive is removed from the top of the reactor. The control rod drive is attached at its upper end to the bottom end of the control rod drive guide tube. The control rod guide tube in turn couples at a rotationally locked bayonet fitting to ... | 02/27/1990 |
| 4889683 | Thermally responsive trigger devices and their use in shut-down devices for nuclear reactors A thermally responsive trigger device comprises a closed bellows (14) having a filling a liquid metal and acting on a trigger (19) responsive to the free end of the bellows. The bellows and trigger are located at a temperature measuring location which is ... | 12/26/1989 |
| 4885123 | Apparatus for handling constituent elements of reactor core The present invention provides an apparatus for handling core constituent elements of a reactor that comprises a core having as core constituent elements control rod assemblies each containing a control rod and fuel assemblies each containing nuclear fuel... | 12/05/1989 |
| 4863672 | Absorber rod An absorber rod for nuclear reactors with a pile of spherical fuel elements, which is inserted directly into the pile, in order to affect the prevailing neutron flux by absorber material located in an annular gap between two concentric cylindrical rod ele... | 09/05/1989 |
| 4793964 | Small natural circulation pressurized water nuclear reactor A pressurized water nuclear reactor comprises a normally vertical main vessel externally duplicated by a confinement enclosure. The main vessel contains a simplified primary circuit essentially incorporationg the reactor core and an annular steam generato... | 12/27/1988 |
| 4778645 | Pressurized water reactor having disconnectable two-piece drive rod assemblies, and related methods of assembly and maintenance operations Selectively and remotely disconnectable two-piece drive rod assemblies comprising elongated hub and drive rod portions interconnected by a selectively disconnectable coupling, connect rod clusters within the pressure vessel of a pressurized water reactor ... | 10/18/1988 |
| 4759903 | Apparatus for automatically starting the drop of an absorbing member into a nuclear reactor core In order to automatically initiate without any intermediate instrumentation chain the drop of absorbing members into the core of a nuclear reactor, in the of a drop in the cooling liquid level to below a given threshold and, optionally, a rise in the pres... | 07/26/1988 |
| 4755346 | Device for displacing and latching a cluster of control elements in a nuclear reactor The device comprises a vertical shaft (36) movable along its axis under the action of a fluid pressure difference and having means for supporting at least one head (28) of the cluster and a first resilient finger (42) for securing and retaining the head o... | 07/05/1988 |
| 4753769 | Device and method for retaining a linearly movable element in a nuclear reactor Device and method for retaining a linearly movable element in a nuclear reactor. The device comprises, for each shaft, a base fixed to the top part of the reactor internals and coaxial with a shaft guide tube; several grippers or catches spaced apart abou... | 06/28/1988 |
| 4752434 | Control bar and drive mechanism coupling device A coupling device between a nuclear reactor control rod and an actuating mechanism has a gripper body having resilient gripping fingers, belonging to the mechanism and, on the bar, a terminal pommel for engagement by the fingers and a shoulder directed to... | 06/21/1988 |
| 4734252 | Nuclear reactor shutdown control rod assembly A temperature responsive, self-actuated nuclear reactor shutdown control rod assembly 10. The upper end 18 of a lower drive line 17 fits within the lower end of an upper drive line 12. The lower end (not shown) of the lower drive line 17 is connected to a... | 03/29/1988 |
| 4714582 | Actuating device for linearly moving a cluster of control elements in a nuclear reactor A device for moving a cluster of nuclear reactor control elements, more especially usable for changing the moderation rate of a nuclear reactor, comprising a vertical shaft having nippers cooperating with grabs integral with sub-clusters. Each grab compri... | 12/22/1987 |
| 4713210 | Control rod driveline and grapple A control rod driveline and grapple is disclosed for placement between a control rod drive and a nuclear reactor control rod containing poison for parasitic neutron absorption required for reactor shutdown. The control rod is provided with an enlarged cyl... | 12/15/1987 |
| 4711756 | Control rod displacement In a nuclear reactor including a core, a plurality of control rods, a support supporting the control rods and movable for displacing the control rods in their longitudinal direction between a first end position in which the control rods are fully inserted... | 12/08/1987 |
