A combination support stand and carrying handle apparatus for use with an associated tablet device having a generally rectangular conformation with opposite front and back substantially planar surfaces. The apparatus includes a mounting member, a handle member, and a support stand for holding the associated tablet device on surfaces at selected angles for convenience of use of the tablet device. The carrying handle is grippable by the hand of an associated user. The support stand apparatus and carrying handle apparatus may be provided individually without the other.

An apparatus for closing opened packaging includes a base having an upper surface and a lower surface, a strap attached to the base, and two complementary handle sections attached to the base. The handle sections extend upwardly from the upper surface of the base, and together form a grippable handle. A space exists between the handle sections to receive the strap therethrough. The handle sections can be releasably attached to each other.

A multi-sectional portable pigging pole configured to retrieve a pig from a pipe. The pigging pole includes a first shaft member and a second shaft member. The first shaft member and the second shaft member are configured to interlock so as to form a shaft. The shaft is configured to extend reach into the pipe to retrieve the pig from therein.

Systems, methods, and apparatus are provided to enable a vacuum tool to have a switchable plate, such that a common vacuum tool may be adapted with different plates. A switchable plate may form the entirety of the vacuum tool's material contacting surface or a switchable plate may form a portion of the material contacting surface. The vacuum tool is effective for picking and placing one or more manufacturing parts utilizing a vacuum force.

A floating retrieval device that can be either manually launched or automatically launched via a compression spring.

A multipurpose tool and method usable to remove debris and/or other retentate from a skimmer basket or a filter associated with a swimming pool, and/or to remove the skimmer well lid and the skimmer basket and/or filter from a skimmer well. The tool comprises two elongate members pivotally connected, each elongate member having a protrusion connected thereto at one end and a handle at the other. Each elongate member can have a scooping element connected thereto. The protrusions can point away from each other and can be adapted to move away from each other in response to the handles being moved towards each other.

A vacuum-lifting device of variable configurations includes a first slat element, a second slat element, and four suction members. The first slat element is detachably fixed to the second slat element, and the first slat element intersects with the second slat element defining an intersection. A first slot is defined in the first slat element and a second slot is defined in the second slat element. Two of the four suction members are translatably secured in the first slot. The other two of the four suction members are translatably secured in the second slot.

A system for lifting a vehicle via multiple slings comprises a vehicle not engineered with structural facility to withstand lifting forces, including a frame which unmodified will deform in response to vertically imposed lifting forces, frame reinforcing elements affixed to the frame at selected locations which are subject to lifting deformation, at least two lifting members at spaced-apart forward frame locations, at least two lifting members at spaced-apart rearward frame locations, and a plurality of elongate slings extending respectively between each lifting member and a common lifting vertex. Each lifting member has an enlarged lower base portion rigidly affixed to the frame and an upper lifting portion. The frame reinforcing elements resist deformation of the frame in response to vertically imposed lifting forces. The enlarged base portions of the lifting members apply forces over a correspondingly enlarged area of the frame and the reinforcing elements without deforming the frame.

A robot hand includes a finger unit that is in contact with an object. The finger unit includes: a first member in which a tip portion and a base portion connected to the tip portion are formed as a single member; and a second member that covers a surface of the first member.

According to one embodiment, A chucking apparatus includes an arm that is configured to hold a test tube, an opening/closing mechanism that opens/closes the arm, a motor that drives the opening/closing mechanism, and a supplying unit configured to supply electric power to the motor at two different supply voltages.

A cleaning assembly including a disposable cleaning implement having a cleaning element mounted to a fitment having an elongated post. The cleaning assembly includes an elongated maneuvering wand having a handle portion and a distal implement attachment end thereof. A gripping mechanism is coupled to the wand attachment end, and is configured to releasably grip the fitment post to mount the cleaning implement. The gripping mechanism and the maneuvering wand cooperate to substantially limited pivotal movement of a longitudinal axis of the fitment post, relative a longitudinal axis of the gripping mechanism to not more than about 0 degrees to about 25 degrees when the fitment post is subjected to forces radial to the longitudinal axis of the fitment post. In another aspect, the frictional drag between the sliding components is significantly reduced, enabling a tool assembly with a high axial holding force for the cleaning implement, but with a significantly lower, consumer friendly release force for the Implement during release operation of the tool assembly.

A guide has an open end and a finger structure preferably of a shape memory alloy. The guide is run in small-diameter configuration through a restriction with a fishing tool, such as an overshot, above it. Once through the restriction, power to heaters on the fingers takes the material past its transition temperature to allow the guide lower end to fan out and surround a skewed fish that is in a slanted position and leaning on a wall of a surrounding tubular that has a larger dimension than the restriction. The bottomhole assembly is then advanced until the fish is captured by the fishing tool and pulled out of the hole. The fingers are forcibly retracted as the assembly is pulled back through the restriction. The guide can use retained fingers with an outward bias to flare out after passing through a restriction, thus acting as a fish guide.

A clamping mechanism includes an adjusting assembly, a driving assembly and a plurality of clamping assemblies. Each clamping assembly includes a base body slidably sleeved on the driving assembly. The adjusting assembly includes a first adjusting member, and a second adjusting member parallel to the first adjusting member. The first adjusting member is fixed to a base body located on a first end of the plurality of clamping assemblies. Opposite ends of the second adjusting member are fixed to the driving assembly and a base body located on a second end of the plurality of clamping assemblies. Each of the first and second adjusting members respectively define a plurality of first and second steps. The first steps and the second steps slidable resist sidewalls of the base body. An upward direction of the plurality of first steps is reverse to that of the plurality of the second steps.

A gripper (42) for gripping an object (14), intended for a transfer device includes two jaws (64, 66). Each of the jaws includes: a recess (92), and a first clamping portion (94) and a second locking portion (96). The first clamping portion (94) of each jaw (64, 66) of the gripper (42) includes a supporting surface and, when the gripper (42) is closed around an object (14) occupying a predetermined reference position, the supporting surface is intended to engage with a portion of a bearing surface of a radial collar of the object.

A tool to grasp objects, and to expand and/or retract while holding the objects, wherein the tool can include at least one handle disposed on a first end of an expandable assembly. At least one handle can be adapted to expand the expandable assembly when actuated or when there are a pair of handles and they are moved towards one another and retract the expandable assembly when they are moved away from one another. A gear assembly can be disposed on a second end of the expandable assembly. The tool can allow users to reach, grasp, move, and release remote objects.

A pick-and-place vacuum nozzle including a a nozzle body, a vacuum chamber within the nozzle body, a cavity formed in a lower surface of the nozzle body below the vacuum chamber, wherein the cavity is shaped to hold a head gimbal assembly, a back pressure relief hole passing through the nozzle body and connected to the vacuum chamber, the back pressure relief hole communicating with an exterior of the nozzle body, wherein a diameter of the back pressure relief hole is between 0.5 mm and 1 mm. The backpressure relief hole prevents light parts from sticking to the nozzle tip after vacuum is no longer applied.

To enable positioning a robot arm and a workpiece with high accuracy while reducing vibrations of a camera. According to the claimed invention for this purpose, a robot station 100 includes a pedestal 103 to which robot arms 101 and 102 are fixed, a camera 106 which images an area including a working area 209 of the pedestal 103, and a booth 104 to which the camera 106 is fixed. The pedestal 103 is fixed to a floor surface, and the booth 104 is fixed to the floor surface without contacting the pedestal 103. The booth 104 is formed in the shape of a rectangular parallelepiped having a short side parallel to a workpiece conveying direction T and a long side perpendicular to the workpiece conveying direction T in a plan view. In the booth 104, the length of the long side y of the booth 104 is set to not less than the sum of a maximum length by which the robot arms 101 and 102 protrude from the pedestal 103 in a direction perpendicular to the workpiece conveying direction T and the length in the direction perpendicular to the workpiece conveying direction T of the pedestal 103 in a plan view.

A method of replacing a generator of a wind power installation. The generator is provided in the interior of a pylon of a wind power installation and the pylon has a door opening. An exchanging cross beam is fixed by way of a first fastening point to a crane hook of a mobile crane. A first end of the cross beam is introduced with a second fastening point through the door opening into the pylon. The transformer to be replaced is fixed to the second fastening point of the first end. A compensating weight is fixed at the second fastening point to the second end of the cross beam. The second end of the cross beam is tilted or inclined until the transformer is at the height of the door opening and the crane hook is moved until the transformer to be replaced is outside the door opening.

A containment system to safely store a waste scoop includes: an outer receptacle including a bottom surface, at least one side wall, an opening and a first coupling element; an inner receptacle including a bottom surface and at least one side wall housed within the outer receptacle and including an opening, wherein the inner receptacle is removable from the outer receptacle via the opening of the outer receptacle; a scoop assembly including a scoop, a handle, and a lid, wherein the scoop is housed within the inner receptacle and is removable from the inner receptacle via the opening of the inner receptacle; a compartment including a second coupling element for connecting the compartment to the outer receptacle via the first and second coupling elements; and a third and fourth coupling element to secure a planar surface of the lid to cover the opening of the outer receptacle.

A combination finger fold holder tong and surface texturizing set includes a set of tongs with finger pockets, whereby the pockets are movable towards and away from each other for grasping an article of food; plus a plurality of adhesively adherable sticker substrates having a first texture imparted side and an opposite adhesive bearing side with a release liner, whereby the texture containing adhesively adherable sticker is placed upon the food engaging surface for manual grasping of articles of food.

A securement device to make it much easier for a user to securely hold onto a personal, hand-held, tablet-shaped device such as an electronic reader, a tablet computing device, a cellular phone, a personal data assistant, and a common clipboard, including any of these items that are at least partially contained in protective housings—while minimizing the fatigue and discomfort on the user's hands: A typical device solves this problem by providing a system of one or more finger holds formed with a fabric or pliable material that are disposed on the back side of the personal, hand-held, tablet-shaped device. In many devices, the position and fit of the finger holds are easily adjustable by a user via hook-and-loop schemes.

A trash spearing tool and method are provided. The tool includes a spearing pin, a trigger assembly, an inner tube, and an outer tube. The trigger assembly is movable between a normal position and an activated position. The outer tube is slidable between a storage position and a use position. The spearing pin is operatively coupled to the trigger assembly in such manner that, when the outer tube is in the use position and the trigger assembly is in the normal position, the spearing pin is normally biased to an extended position in which a portion of the spearing pin extends from the outer tube and, when the outer tube is in the storage position and the trigger assembly is in either the normal position or use position, the spearing pin to in a retracted position in which the spearing pin does not extend from the outer tube.

A gripper (1) for a contact lens (CL) includes a gripper head (10) having a bearing surface (11), the bearing surface (11) having at least one opening (110) through which underpressure can be applied in order to suck the contact lens (CL) against the bearing surface (11) and through which overpressure can be applied in order to release the contact lens (CL) from the bearing surface (11). The gripper further includes a detection opening (111) in the bearing surface (11) through which a separate underpressure can be applied.

Apparatus and methods for pet waste disposal include using a portable waste collection receptacle disposed on a handle. A heat source is mounted together with the waste collection receptacle, capable of incinerating waste disposed in the waste collection receptacle.

A hand operated shovel system for moving materials that uses spring enhanced human power to increase force during the flinging part of shoveling. A user adds propulsive force to a shovel having a spring located between the handle and the blade. Motion of the handle and blade rotates the spring to store energy expended during the initial acceleration of lifting, and applies the stored energy back into the material during the deposition step, increasing the ballistic trajectory of the material. If material deposition can be accomplished without flinging, the shovel acts as a substantially rigid body for standard shoveling.

A clamp for a tensile implement and method of clamping a tensile implement is disclosed. The clamp is portable and adaptable to different sizes of tensile implements. The clamp includes a cavity defined by side surfaces of a pair of blocks which are attached to a top surface of a grip base. A pair of mated reciprocal wedges, selected based on size of the tensile implement from a plurality of pairs of wedges, fits and slides within the cavity in order to grip the tensile implement. Each one of the wedges has a planar surface for sliding and a semi-cylindrical void which forms a cylindrical void through which the tensile implement passes when fully clamped around the tensile implement.

A vacuum-lifting device includes a holding block and a nozzle. The holding block defines a holding hole and a threaded hole communicating with the holding hole. The nozzle includes a first section that is slidably received in the holding hole and a second section. The second section extends from the first section and has an outer diameter smaller than an outer diameter of the first section.

A zirconium alloy nuclear reactor cylindrical cladding has an inner Zr substrate surface (10), an outer volume of protective material (22), and an integrated middle volume (20) of zirconium oxide, zirconium and protective material, where the protective material is applied by impaction at a velocity greater than 340 meters/second to provide the integrated middle volume (20) resulting in structural integrity for the cladding.

An integral pressurized water nuclear reactor for the production of steam utilizing a helical coil steam generator, a plurality of internal circulation pumps, and an internal control rod drive mechanism structure.

According to an installation method of a water-chamber working apparatus of the present invention, the water-chamber working apparatus includes a base that holds heat transfer tubes on a tube plate surface and is fixed to the tube plate surface, and a manipulator that is coupled with the base, suspended in a water chamber and arranged therein, and has a separable configuration. In this case, a base installing step of installing the base on the tube plate surface and a manipulator coupling step of carrying the separated manipulator (a front stage and a rear stage) into the water chamber sequentially and individually and coupling the manipulator with the base (a coupling link) are performed.

A nuclear power plant with an improved cooling system using nanoparticles in solid or fluid form is provided. The nanoparticles are delivered in locations such as the cold leg accumulator and high and low pressure pumps of an emergency core cooling system. Motor driven valves and pressurization can aid in the delivery. Methods for providing the nanoparticles are also provided.

Textured surface for increasing Leidenfrost temperature. The texture comprises of surface features over multiple length scales—from micro to nanoscale—wherein the features at each length scale have a size, aspect ratio, and spacing selected to increase the Leidenfrost temperature. The structure includes an array of microscale structures disposed on the surface, the structure having size, aspect ratio and spacing selected to increase Leidenfrost temperature. The microscale structures may also include nanoscale structures on their surface to create a hierarchical structure. The structures result in an increased Leidenfrost temperature.

An apparatus for monitoring nuclear thermal hydraulic stability of a nuclear reactor, contains: a calculation unit configured to calculate a stability index of a nuclear thermal hydraulic phenomenon based on nuclear instrumentation signals, the signals being outputted by a plurality of nuclear instrumentation detectors placed at regular intervals in a reactor core; a simulation unit configured to simulate the nuclear thermal hydraulic phenomenon based on a physical model by using information on an operating state of the nuclear reactor as an input condition; a limit value updating unit configured to update a limit value of the nuclear thermal hydraulic phenomenon based on a result of the simulation; and a determination unit configured to determine, based on the stability index and the limit value, whether or not to activate a power oscillation suppressing device.

A system for radioisotope production uses fast-neutron-caused fission of depleted or naturally occurring uranium targets in an irradiation chamber. Fast fission can be enhanced by having neutrons encountering the target undergo scattering or reflection to increase each neutron's probability of causing fission (n, f) reactions in U-238. The U-238 can be deployed as one or more layers sandwiched between layers of neutron-reflecting material, or as rods surrounded by neutron-reflecting material. The gaseous fission products can be withdrawn from the irradiation chamber on a continuous basis, and the radioactive iodine isotopes (including I-131) extracted.

A method and apparatus for securely fastening a pipe collar or a bracket to a riser pipe of a boiling water reactor (BWR) jet pump assembly. A pipe plug assembly includes an angled pipe plug that acts as a wedge to expand a bushing assembly as the pipe plug is drawn into the overall pipe plug assembly. Expansion of the bushing assembly allows a tight tolerance to exist between an outer diameter of the pipe plug and an inner diameter of the collar/bracket and riser pipe. Expansion of the bushing assembly allows a straight hole to be match drilled into the collar/bracket and riser pipe, thereby avoiding a more complicated tapered hole to be drilled into the collar/bracket and riser pipe. An ensuing tight fit between the pipe plug assembly, the collar/bracket and the riser pipe mitigates vibration of components and minimizes leakage to acceptable levels for use in the flooded environment of the annulus region where the jet pump assembly exists in the BWR.

A pressurized water reactor (PWR) includes a vertical cylindrical pressure vessel having a lower portion containing a nuclear reactor core and a vessel head defining an internal pressurizer. A reactor coolant pump (RCP) mounted on the vessel head includes an impeller inside the pressure vessel, a pump motor outside the pressure vessel, and a vertical drive shaft connecting the motor and impeller. The drive shaft does not pass through the internal pressurizer. A central riser may be disposed concentrically inside the pressure vessel, and the RCP impels primary coolant downward into a downcomer annulus between the central ser and the pressure vessel. A steam generator may be disposed in the downcomer annulus and spaced apart from with the impeller by an outlet plenum, A manway may access the outlet plenum so tube plugging can be performed on the steam generator via access through the manway without removing the RCP.

UO2 nuclear fuel pellets are fabricated by adding additive powder comprising Mn compound and Al compound into UO2 powder.

A jet pump beam (hereinafter, referred to as a beam) is fitted into a pair of projecting portions installed to a transition piece, and after the beam is arched, a beam bolt engaged with the beam is tightened. An end of the beam bolt comes in contact with a top surface of an insert member fitted into an elbow disposed between the pair of projecting portions. An ultrasonic sensor head is fixed to the beam bolt, and ultrasonic waves are sent to the beam bolt from the ultrasonic sensor in the ultrasonic sensor head. An ultrasonic measuring apparatus obtains echo intensity of each of reflected waves generated at the end of the beam bolt and a bottom surface of the insert member, and based on the echo intensities, an echo intensity ratio R is calculated. The installed state of the beam is checked using the echo intensity ratio R.

A control rod/fuel support handling apparatus that is used in the case where a control rod and a fuel support are held, removed and lifted in a reactor and then are transported into the reactor in a periodical inspection of a BWR and in the case where the control rod and the fuel support are attached and mounted again into the reactor, the control rod/fuel support handling apparatus including: a fuel support gripper that holds the fuel support with a support gripping member; a control rod gripper that includes a vertically movable and rotatable elevating/rotating unit, holds the control rod with a control rod gripping member, disconnects and connects the control rod and a control rod drive mechanism, and allows removal and attachment of the control rod; and a control panel that controls automatically controls the control rod gripper in response to the instructions from an operation pendant.

A system, method and apparatus for providing additional radiation shielding to a ventilated cask for holding high level radioactive materials. The invention utilizes a tubular shell that is ancillary to the ventilated cask that circumscribes the ventilated cask to add radiation shielding protection while improving heat removal by natural convective air flow. Because the tubular shell and cask are non-unitary and slidably separable from one another, crane lifting capacity is not affected. In one aspect, the invention is an apparatus for providing additional radiation shielding to a cask holding high level radioactive materials comprising: a tubular shell extending from an open bottom end to an open top end, the tubular shell having an inner surface that forms a cavity about a longitudinal axis; a plurality of primary apertures forming passageways through the tubular shell and circumferentially arranged in a spaced-apart manner about the tubular shell; a plurality of secondary apertures forming passageways through the tubular shell and circumferentially arranged in a spaced-apart manner about the tubular shell; and an annular seal coupled to the tubular shell and extending from the inner surface of the tubular shell; wherein the secondary apertures are located at an axial height above the annular seal and the primary apertures are located at an axial height below the annular seal.

A lid frame for a nuclear fuel assembly shipping container and a shipping container for nuclear fuel assemblies are provided. The shipping container can include a lower container in which a cradle is installed, an upper container detachably coupled to the lower container, and a base frame coupled to the cradle with at least one nuclear fuel assembly placed thereon. The lid frame can include a plurality of supports installed apart from each other so as to surround the nuclear fuel assembly placed on the base frame, and a plurality of clamps separated from each other, coupled to the plurality of supports perpendicular to the plurality of supports, rotatably hinged to the base frame, and configured to clamp the nuclear fuel assembly. The lid frame safely protects the nuclear fuel assembly that is being transported.

Electrochemical corrosion potential (ECP) probe assemblies may be used to monitor ECP of materials due to coolant chemistry in an operating nuclear reactor. Example embodiment assemblies include at least one ECP probe that detects ECP of potentially several different materials, a structural body providing a fluid flow path for the coolant over the ECP probes, and a signal transmitter that transmits or carries ECP data to an external receiver. The ECP probes may be of any number and/or type, so as to detect ECP for different component materials, including stainless steel, a zirconium alloys, etc. The ECP probes may further detect ECP due to ion concentration, pH, etc. The ECP data may be transmitted through wired or wireless signal transmitters. Example methods include installing and using example embodiment ECP probe assemblies in nuclear reactors and facilities.

The present invention provides a system and method for reclaiming energy from the heat emanating from spent nuclear fuel contained within a canister-based dry storage system. The inventive system and method provides continuous passive cooling of the loaded canisters by utilizing the chimney-effect and reclaims the energy from the air that is heated by the canisters. The inventive system and method, in one embodiment, is particularly suited to store the canisters below-grade, thereby utilizing the natural radiation shielding properties of the sub-grade while still facilitating passive air cooling of the canisters. In another embodiment, the invention focuses on a special arrangement of the spent nuclear fuel within the canisters so that spent nuclear fuel that is hotter than that which is typically allowed to be withdrawn from the spent fuel pools can be used in a dry-storage environment, thereby increasing the amount energy that can be reclaimed.

Disclosed is a system for producing electromagnetic radiation with enhancement from a drift tube containing a cylindrical Smith-Purcell structure. The system includes a magnetically insulated linear oscillator. The oscillator includes a cylindrical resonant cavity having a traveling wave electron gun and a cooperating anode. The drift tube is formed of a hollow cylindrical conductive element that is positioned within a resonant cavity of the oscillator. The drift tube includes an inner surface and a pair of ends. The drift tube may be adapted such that the interaction between an electron beam, from the electron gun, passes through the inner space of the drift tube, and the internal grating, so as to produce RF radiation by the Smith-Purcell Effect. Spacing, face angle and shape of the grating, and the energy of the electron beam are determinants of the frequency of the RF radiation.

Aspects of the invention relate to several methods to deposit and regenerate target materials in neutron generators and similar nuclear reaction devices. In situ deposition and regeneration of a target material reduces tube degradation of the nuclear reaction device and covers impurities on the surface of the target material at the target location. Further aspects of the invention include a method of designing a target to generate neutrons at a high efficiency rate and at a selected neutron energy from a neutron energy spectrum.

Disclosed embodiments include electromagnetic flow regulators for regulating flow of an electrically conductive fluid, systems for regulating flow of an electrically conductive fluid, methods of regulating flow of an electrically conductive fluid, nuclear fission reactors, systems for regulating flow of an electrically conductive reactor coolant, and methods of regulating flow of an electrically conductive reactor coolant in a nuclear fission reactor.

Illustrative embodiments provide systems, methods, apparatuses, and applications related to annealing nuclear fission reactor materials.

Disclosed is a coolant with dispersed neutron poison micro-particles, used in a supercritical water-cooled reactor (SCWR) emergency core cooling system. Since the neutron poison micro-particles are uniformly dispersed in the coolant of the emergency core cooling system for a long period time, their fluidity is not lowered even though the polarity of water is changed in a supercritical state. Therefore, the neutron poison micro-particles absorb neutrons produced from nuclear fission in a nuclear reactor core. Accordingly, the neutron poison micro-particles can be appropriately used as a means for controlling neutrons and stopping a nuclear reactor in the SCWR emergency core cooling system.

A nuclear fuel assembly tie plate is provided. The nuclear fuel assembly tie plate is formed by intersecting strips delimiting between them tubular guide cells each for allowing a fuel rod to extend through the tie plate. The strips delimit between them tubular flow cells separate from the guide cells, each flow cell for allowing coolant flow through the tie plate. Guide cells and flow cells are arranged at nodes of a lattice defined by a repeating pattern comprising four corner nodes in a square lattice arrangement and a central node at the center of the four corner nodes, with one guide cell at each corner nodes, separated by a pair of parallel spaced strips intersecting a pair of parallel spaced strips, the two pairs of strips delimiting a four-walled central flow cell at the center node.

A plug for heat-conducting tubes is equipped with: a plug main body, which is formed so as to be capable of being inserted into the heat-conducting tubes; a columnar member, which is capable of being inserted into and removed from the plug main body from the cylindrical open end of the plug main body, and has at its outer circumference a tapered surface; and a wedge member, which is formed so as to be capable of being inserted into and removed from the plug main body from the cylindrical open end of the plug main body, and has at its inner circumference a tapered surface which opposes the tapered surface of the columnar member when the wedge member is inserted into the plug main body.