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Westinghouse Electric Company Llc patents


Recent patent applications related to Westinghouse Electric Company Llc. Westinghouse Electric Company Llc is listed as an Agent/Assignee. Note: Westinghouse Electric Company Llc may have other listings under different names/spellings. We're not affiliated with Westinghouse Electric Company Llc, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "W" | Westinghouse Electric Company Llc-related inventors


Pressure boundary bolted anti-ejection device

A device is provided for use in securing a remnant of a tube through a wall of a pressure vessel. The device include an anti-ejection device for attachment to the remnant on an interior side of the pressure vessel and an end cap for attachment to the remnant on an exterior side of the pressure vessel for sealing an open end of the remnant. ... Westinghouse Electric Company Llc

Stem generator sludge lance apparatus

A sludge lance for a tube and shell steam generator that has a central divider plate that extends substantially the length of a central tube lane substantially bisecting a hand hole through which the tube lane can be accessed. The sludge lance has a nozzle with a spring biased, reciprocally movable plunger that extends against the divider plate and is locked in position by a stream of high pressure cleaning fluid that traverses the nozzle and exits through jets to clean sludge from between the tubes. ... Westinghouse Electric Company Llc

Method of predicting wear on tubes of steam generator

A method predicts an amount of wear that is expected to occur on the tubes of a steam generator as a result of vibration against another structure within the steam generator. The method includes determining a volumetric amount of material that has been worn from a location on a tube over a duration of time and employing that volume as a function of time to determine the volume of material of the tube wall that is predicted to be worn from the tube or another tube at a future time. ... Westinghouse Electric Company Llc

System and process for production and collection of radioisotopes

A means for installing material, through a fuel assembly instrument thimble insert, into the existing instrument thimbles in nuclear fuel assemblies for the purpose of allowing the material to be converted to commercially valuable quantities of desired radioisotopes during reactor power operations during a remainder of a fuel cycle and removing the radioisotopes from the core through the reactor flange opening once the fuel assemblies have been removed for refueling. The invention also describes methods that can be used to harvest the irradiated material so it can be packaged for transportation from the reactor to a location where the desired radioisotope(s) can be extracted from the fuel assembly instrument thimble insert.. ... Westinghouse Electric Company Llc

Fuel assembly for a nuclear boiling water reactor

A fuel assembly for a nuclear power boiling water reactor including a fuel channel defining a central fuel channel axis, fuel rods, each having a central fuel rod axis, at least 3 water channels for non-boiling water, each water channel having a central water channel axis and each water channel having a larger cross-sectional area than the cross-sectional area of (the average) fuel rod. The fuel rods include a first group of full length fuel rods and a second group of shorter fuel rods. ... Westinghouse Electric Company Llc

Method of controlling pressure in a fuel rod

A method and a system includes controlling and monitoring the gas pressure in a nuclear fuel rod during filling of the fuel rod with a gas, and subsequent sealing of the fuel rod. The system includes a control unit and a length measuring system, which control unit is communicatively connected to the length measuring system. ... Westinghouse Electric Company Llc

Heat pipe molten salt fast reactor with stagnant liquid core

A molten salt reactor is described that includes a containment vessel, a reactor core housed within the containment vessel, a neutron reflector spaced from the containment vessel and positioned between the core and the containment vessel, a liquid fuel comprised of a nuclear fission material dissolved in a molten salt enclosed within the core, a plurality of heat transfer pipes, each pipe having a first and a second end, wherein the first end is positioned within the reactor core for absorbing heat from the fuel, a heat exchanger external to the containment vessel for receiving the second end of each heat transfer pipe for transferring heat from the core to the heat exchanger, and at least one and preferably two or more reactor shut down systems, where at least one may be a passive system and at least one or both may be an active or a manually operated system. The liquid fuel in the core is kept within the core and heat pipes are used to carry only the heat from the liquid core to the heat exchanger.. ... Westinghouse Electric Company Llc

Process for manufacturing sic composite ceramics

A method is described for manufacturing a ceramic composite structure. The method includes wrapping ceramic fibers (22), such as sic fibers, about the external surface of at least one form. ... Westinghouse Electric Company Llc

Corrosion and wear resistant coating on zirconium alloy cladding

The invention relates to compositions and methods for coating a zirconium alloy cladding of a fuel element for a nuclear water reactor. The composition includes a master alloy including one or more alloying elements selected from chromium, silicon and aluminum, a chemical activator and an inert filler. ... Westinghouse Electric Company Llc

Fuel channel for a nuclear boiling water reactor

A method of making a fuel channel for a fuel assembly for a nuclear power boiling water reactor includes providing at least one first sheet of a zr-based material of a first thickness, providing at least one second sheet of a zr-based material of a second thickness, which is less than said first thickness, assembling at least said at least one first sheet and said at least one second sheet, such that a fuel channel is formed and such that said at least one first sheet forms a lower part of the fuel channel and such that said at least one second sheet forms a higher part of the fuel channel and such that said lower part is joined with said higher part, wherein said lower part constitutes 20-75% of the length of the fuel channel. The invention also concerns a fuel channel and a fuel assembly.. ... Westinghouse Electric Company Llc

Tank closure cesium removal

The invention relates to systems, apparatus and methods for the removal of cesium and other radionuclides from liquid waste contained in a high level waste tank. The invention includes transporting a stream of the liquid waste from the high level waste tank to one or more ion-exchange column assemblies to remove the cesium therefrom using a sorbent, such as, crystalline silico-titanate. ... Westinghouse Electric Company Llc

Irradiation target handling device

A device that will enable material to be irradiated as needed to produce a desired transmutation product inside the core of a nuclear reactor. The device provides a means for monitoring neutron flux in the vicinity of the material being irradiated to allow determination of the amount of transmutation product being produced. ... Westinghouse Electric Company Llc

Nuclear fuel rod

A gland seal end plug closure for a nuclear fuel rod cladding composed of silicon carbide or other materials that cannot be welded. The sealant is, preferably, made from one or more forms of pure graphite and the ram, seat and other components of the gland seal end plug are formed from high temperature metallic or ceramic materials.. ... Westinghouse Electric Company Llc

Method of manufacturing a sic composite fuel cladding with inner zr alloy liner

A method for making a fuel rod cladding tube and a cladding tube are described. The method includes wrapping ceramic fibers, for example, sic fibers in a sic matrix, around a tube formed from a metal alloy, such as a zirconium alloy. ... Westinghouse Electric Company Llc

12/14/17 / #20170358372

Zirconium-coated silicon carbide fuel cladding for accident tolerant fuel application

The invention relates to a multi-component cladding for a nuclear fuel rod that includes a combination of ceramic and metal components. More particularly, the invention is directed to a cladding that includes a ceramic composite having a zirconium composition deposited thereon to form a zirconium coated ceramic composite. ... Westinghouse Electric Company Llc

12/07/17 / #20170352438

Low pressure drop nuclear fuel assembly bottom nozzle

A nuclear fuel assembly having a bottom nozzle with protrusions that extend from the upstream (lower or fluid entry) and downstream (upper or fluid exit) side of a horizontally supported perforated flow plate. The protrusions have a funnel-like shape that gradually decreases the lateral flow area on the upstream side of the perforated flow plate and gradually increases the lateral flow area on the downstream side of the perforated plate. ... Westinghouse Electric Company Llc

11/30/17 / #20170345519

Ambient temperature decontamination of nuclear power plant component surfaces containing radionuclides in a metal oxide

This invention generally concerns radioactive decontamination of deposits on components in a nuclear power plant and is specifically concerned with improved systems and methods for disrupting, dissolving, removing and reducing at ambient temperature radionuclides formed on the primary side surfaces of components in a pressurized water reactor and the internal components of a boiling water reactor. The methods include identifying the structure, taking the structure out of operational service, contacting the structure with an aqueous solution (e.g., a recirculating flow or static immersion), and adding an effective amount of elemental metal in solid form to the aqueous solution.. ... Westinghouse Electric Company Llc

11/23/17 / #20170338028

Integrated electrical coil and coil stack assembly

An improved electrical coil unit is described which includes generally a coil member encapsulated within an iron-containing metal housing wherein the housing has an increased surface area to better transfer heat and provide air flow during operation. Each coil unit includes a coil member comprising a bobbin made of a non-conducting fiberglass impregnated resin and an insulated copper wire coiled around the outer surface of the bobbin member in multiple layers. ... Westinghouse Electric Company Llc

11/16/17 / #20170330637

Fuel assembly for a nuclear boiling water reactor

A fuel assembly for a nuclear power boiling water reactor, including: a fuel channel defining a central fuel channel axis, fuel rods, each having a central fuel rod axis, at least 3 water channels for non-boiling water, each water channel having a central water channel axis and each water channel having a larger cross-sectional area than the cross-sectional area of (the average) fuel rod. The fuel rods comprise a first group of full length fuel rods and a second group of shorter fuel rods. ... Westinghouse Electric Company Llc

10/26/17 / #20170309352

Fuel assembly for boiling water reactor

A fuel assembly for a boiling water reactor, having fuel rods, a tie plate, a handle device, and at least two water rods attached to the tie plate and to the handle device. A plurality of spacers, define first passages for some of the fuel rods, and second passages for the water rods. ... Westinghouse Electric Company Llc

10/26/17 / #20170304907

Clamping apparatus

The disclosure relates to a clamping apparatus for fixing in a recess of a component and for holding a workpiece carrier against the component. The clamping apparatus includes a housing for attachment to the workpiece carrier and a clamping sleeve for insertion into the recess. ... Westinghouse Electric Company Llc

10/05/17 / #20170287574

Method of making a nuclear fuel pellet for a nuclear power reactor

A method of making a nuclear fuel pellet for a nuclear power reactor. The method includes providing a nuclear fuel material in powder form, providing an additive, forming a so-called green pellet, wherein said additive is added either to said nuclear fuel material in powder form or to the green pellet, sintering the green pellet, wherein said additive is such that it causes larger grains in the nuclear fuel pellet, and wherein said additive is made of or includes a substance which causes the larger grains and which substantially leaves at least an outer portion of the pellet before and/or during the sintering step.. ... Westinghouse Electric Company Llc

10/05/17 / #20170284744

Modular plate and shell heat exchanger

A modular plate and shell heat exchanger in which welded pairs of heat transfer plates are tandemly spaced and coupled in parallel between an inlet and outlet conduit to form a heat transfer assembly. The heat transfer assembly is placed in the shell in order to transfer heat from a secondary to a primary fluid. ... Westinghouse Electric Company Llc

09/21/17 / #20170271034

Method of making a nuclear fuel pellet for a nuclear power reactor

A method of making a nuclear fuel pellet for a nuclear power reactor. The method includes providing a nuclear fuel material in powder form, pressing the powder such that a so-called green pellet is obtained, providing a liquid that comprises an additive which is to be added to the green pellet, contacting the green pellet with the liquid such that the liquid, with the additive, penetrates into the pellet, and sintering the so treated green pellet, wherein the additive is such that larger grains in the nuclear fuel material are obtained with the additive.. ... Westinghouse Electric Company Llc

09/14/17 / #20170263342

Real-time reactor coolant system boron concentration monitor utilizing an ultrasonic spectroscpopy system

A method and a system for performing real-time, continuous, measurements of the boron concentration in the water entering a nuclear reactor coolant system. The invention utilizes knowledge of the impact that boron contained in liquid water has on the attenuation of acoustic or ultrasonic waves. ... Westinghouse Electric Company Llc

09/14/17 / #20170263341

Reactor coolant system piping temperature distribution measurement system

A system that measures the temperature distribution of the reactor coolant flowing through the hot leg or cold leg pipes by measuring the speed of sound time delay. This concept uses radiation hardened and temperature tolerant ultrasonic signal drivers based on vacuum micro-electronic technology. ... Westinghouse Electric Company Llc

08/31/17 / #20170248702

Method of detecting and outputting radiation dose rate information

A method includes detecting currently existing dose rates while a worker is performing an operation within a radiologically controlled area (rca) and visually outputting to the worker a dosage rate map of ionizing radiation within the rca. The visual output can be visually depicted on a display that is worn by the worker during the operation and that is situated in proximity to the worker's eye. ... Westinghouse Electric Company Llc

08/17/17 / #20170236603

Holding fixture to assist in assembly of support grid for nuclear fuel rods and method for assembling support grid for nuclear fuel rods

A holding fixture for assisting in assembly of a support grid for nuclear fuel rods and including a plurality of straps each having a plurality of slots extending approximately half a height of the straps and tabs formed beside or between the slots. The holding fixture includes an actuation plate, a support plate having a plurality of receiving members structured to receive therein straps of the support grid and having a plurality of cells, and a plurality of cam assemblies structured to move to deflect every other tab of the straps received in the plurality of receiving members. ... Westinghouse Electric Company Llc

08/17/17 / #20170234305

Thermal retracting actuator

A thermal actuator for a rotating shaft shutdown seal that has a piston with a portion of its axial length enclosed within a chamber shell with a material that expands upon a rise in temperature. The portion of the actual length of the piston within the chamber has at least two different diameters with the larger diameter leading in the direction of travel of the piston. ... Westinghouse Electric Company Llc

08/10/17 / #20170229201

Apparatus for degassing a nuclear reactor coolant system

An in-line dissolved gas removal membrane-based apparatus for removing dissolved hydrogen and fission gases from the letdown stream from a reactor coolant system.. . ... Westinghouse Electric Company Llc

08/03/17 / #20170221591

Spring apparatus and support apparatus usable in nuclear installation

A spring apparatus in accordance with the disclosed and claimed concept is usable in a nuclear installation. In one embodiment, the spring apparatus includes a plurality of springs that are in a compressed state and that are compressively engaged with an upper core plate of a nuclear reactor when the reactor is in a cold condition. ... Westinghouse Electric Company Llc

07/20/17 / #20170206990

Nuclear control rod position indication system

A pulsed sonar-based wireless rod position indication system that utilizes nuclear radiation and high temperature tolerant hardware. The pulsed sonar-based rod position indication system can precisely locate the rod position by measuring the time of flight of a transmitted signal and by using the phase and amplitude information of the same transmitted signal. ... Westinghouse Electric Company Llc

07/20/17 / #20170206989

In-containment ex-core detector system

Apparatus for amplifying low level signals within a nuclear plant's containment building, derived from the ex-core nuclear instrumentation system. The system employs vacuum micro-electronic devices in place of conventional pre-amplifier assemblies to position the pre-amplifier assemblies closer to and within the vicinity of the ex-core detector outputs.. ... Westinghouse Electric Company Llc

07/20/17 / #20170206985

Top nozzle and pressurized water nuclear reactor including same

The present invention provides a top nozzle for use with pwr nuclear reactors and power plants, and in particular, vver nuclear reactors. The top nozzle includes a plate portion having a peripheral portion; a hub portion spaced from the plate portion; a plurality of support portions extending from the plate portion to the hub portion; and at least one deflector portion extending inwardly from the peripheral portion at an acute angle with respect to the plate portion.. ... Westinghouse Electric Company Llc

07/06/17 / #20170194064

Measurement apparatus for determining compressive loading that will be applied to a fuel rod of a pressurized water reactor

An improved measurement apparatus employs a support that includes a housing and that further includes a follower that is movably situated on the support. The follower is biased in a direction generally away from the housing. ... Westinghouse Electric Company Llc

07/06/17 / #20170191508

Hydraulic apparatus and hydraulic appliance usable therein

A hydraulic apparatus includes a first valve manifold that provides a shutdown capability and a second valve manifold that provides an overspeed control capability. The hydraulic apparatus advantageously further employs a hydraulic appliance that includes a check valve and a bypass apparatus. ... Westinghouse Electric Company Llc

06/15/17 / #20170169906

System usable in nuclear environment for providing breathing gas

A system usable in a nuclear environment provides a reservoir of liquefied breathable gas in fluid communication with a deployment system. The deployment system uses a stream of the breathable gas from the reservoir to operate a gas turbine which runs an electrical generator that is mechanically connected therewith to generate electrical power that is stored in a battery bank. ... Westinghouse Electric Company Llc

06/08/17 / #20170159186

Multilayer composite fuel clad system with high temperature hermeticity and accident tolerance

The invention relates to a multilayer cladding including a combination of ceramic and metallic components. The multilayer coating includes an inner layer, an intermediate layer and an outer layer. ... Westinghouse Electric Company Llc

05/18/17 / #20170140842

Subcritical reactivity monitor utilizing prompt self-powered incore detectors

A subcritical reactivity monitor that utilizes one or more primarily gamma sensitive (prompt responding) self-powered detector style radiation measurement devices located within the core of a nuclear reactor to determine the amount that the reactor multiplication factor (keff) is below the reactivity required to achieve or maintain a self-sustaining nuclear chain reaction. This invention utilizes measured changes in the self-powered detectors' current(s) to allow a reactor operator to measure the value of keff at essentially any desired interval while the reactor is shutdown with a keff value less than the critical value of 1.0. ... Westinghouse Electric Company Llc

05/11/17 / #20170129030

Modular electrochemical machining apparatus

An electrochemical machining apparatus is modular and includes a power module, an electrolyte processing module, an actuator module, and a control module that are connected with one another via a connection apparatus. The components are modular and are mounted on separate supports, many of which additionally include caster, and the connection apparatus is in the form of a removable umbilical. ... Westinghouse Electric Company Llc

04/13/17 / #20170103820

Cryogenic system for spent nuclear fuel pool emergency cooling & safety system

An emergency spent nuclear fuel pool cooling system that requires no external electrical power source and relies on the expansion of a cryogenic fluid through an evaporator/heat exchanger submerged within the spent fuel pool, to power various components used to cool the spent fuel pool and adjacent areas and provide makeup water to the spent fuel pool. Other than the evaporator/heat exchanger to which the cryogenic fluid is connected, the remaining components employed to cool the pool and the surrounding area and provide makeup water can be contained in a relatively small, readily transportable skid.. ... Westinghouse Electric Company Llc

03/30/17 / #20170089643

Heat exchanger

A compact heat exchanger is formed from a plurality of very thin layers that are affixed to one another and that are formed via additive manufacturing. Such additive manufacturing enables the configurations of the heat exchanger's flow channels and the arrangements of such flow channels to be optimized for improved heat transfer performance, for improved resistance to thermal and mechanical stresses, and for optimization based upon other factors such as the environment in which the heat exchanger will be situated.. ... Westinghouse Electric Company Llc

03/02/17 / #20170062083

Discharge apparatus usable for determining neutron flux

A discharge apparatus usable in a nuclear reactor includes an emitter apparatus in the form of a plurality of wire segments that emit electrons via beta decay to a collector. The rate at which the electrons are emitted is directly related to the neutron flux in the vicinity of each wire segment. ... Westinghouse Electric Company Llc

02/16/17 / #20170047131

Method for measuring bow/twist of a fuel assembly

A method of determining the bow and twist of a nuclear fuel assembly that utilizes fiber optic shape sensing technology enclosed within a flexible sheath that transmits strain on the interior walls of a control rod guide thimble within the fuel assembly to a fiber cable of the shape sensing technology enclosed within the sheath. The sheath conforms to the interior dimensions of the interior walls of the guide thimble.. ... Westinghouse Electric Company Llc

02/16/17 / #20170043555

Corrosion and wear resistant coating on zirconium alloy cladding

The invention relates to compositions and methods for coating a zirconium alloy cladding of a fuel element for a nuclear water reactor. The composition includes a master alloy including one or more alloying elements selected from chromium, silicon and aluminum, a chemical activator and an inert filler. ... Westinghouse Electric Company Llc

02/02/17 / #20170032853

Nuclear fuel assembly with seismic/loca tolerance grid

A nuclear fuel assembly grid that includes two zones, a protected zone and a crumbled zone. The crumbled zone occupies the periphery of the grid and is designed to experience plastic deformation under high impact loads and the protected zone occupies the interior of the grid where the control rod guide thimbles are located and protects all of the control rod guide thimble locations by experiencing only plastic deformation under such loads.. ... Westinghouse Electric Company Llc

01/26/17 / #20170023239

Method of predicting wear on tubes of steam generator

A method predicts an amount of wear that is expected to occur on the tubes of a steam generator as a result of vibration against another structure within the steam generator. The method includes determining a volumetric amount of material that has been worn from a location on a tube over a duration of time and employing that volume as a function of time to determine the volume of material of the tube wall that is predicted to be worn from the tube or another tube at a future time. ... Westinghouse Electric Company Llc

01/19/17 / #20170018321

Under vessel automated work platform assembly

An automated high speed under vessel work platform with three automated axes comprising a 360° rotational horizontal axis, a linear horizontal axis via a traversing trolley, and a linear vertical axis via swappable task robots, which can also add fourth and fifth axes capabilities. The automated high speed under vessel work platform has the ability to drive to a specific location by typing the core location into the control software and can be operated manually via a hand wheel, locally via a handheld pendant or from the control room and has a camera for inspections and verification of the work.. ... Westinghouse Electric Company Llc

01/12/17 / #the present invention relates to passive cooling systems and methods for cooling a spent fuel pool in a nuclear power plant in the absence of onsite and offsite power, e.g., in a station blackout event. the systems include a gap formed along the periphery of the spent fuel pool, a heat sink, one or more thermal conductive members, a water supply system for delivering water to at least partially fill the gap and conduct heat generated from the spent fuel pool through the gap to at least one thermal conductive member for transporting heat to the heat sink, and a thermal switch mechanism for activating and deactivating the water supply system.

Westinghouse Electric Company Llc

. . ... Westinghouse Electric Company Llc








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