In-core instrumentation

Keller, Michael; Snuggerud, Ross T.

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A - human necessities
A01 - agriculture
A21 - baking
A22 - butchering
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A24 - tobacco
A41 - wearing apparel
A42 - headwear
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A44 - haberdashery
A45 - hand or travelling articles
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A47 - furniture
A61 - medical or veterinary science
A62 - life-saving
A63 - sports
A99 - subject matter not otherwise provided for in this section
B - performing operations
B01 - physical or chemical processes or apparatus in general
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B03 - separation of solid materials using liquids or using pneumatic tables or jigs
B04 - centrifugal apparatus or machines for carrying-out physical or chemical processes
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B21 - mechanical metal-working without essentially removing material
B22 - casting
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B32 - layered products
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B62 - land vehicles for travelling otherwise than on rails
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B67 - opening, closing {or cleaning} bottles, jars or similar containers
B68 - saddlery
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D - textiles
D01 - natural or man-made threads or fibres
D02 - yarns
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D10 - indexing scheme associated with sublasses of section d, relating to textiles
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G - physics
G01 - measuring
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G05 - controlling
G06 - computing
G07 - checking-devices
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G09 - education
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G12 - instrument details
G16 - information and communication technology [ict] specially adapted for specific application fields
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Y04 - information or communication technologies having an impact on other technology areas
Y10 - technical subjects covered by former uspc

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Title: In-core instrumentation

Abstract

An in-core instrumentation system for a reactor module includes a plurality of in-core instruments connected to a containment vessel and a reactor pressure vessel at least partially located within the containment vessel. A reactor core is housed within a lower head that is removably attached to the reactor pressure vessel, and lower ends of the in-core instruments are located within the reactor core. The in-core instruments are configured such that the lower ends are concurrently removed from the reactor core as a result of removing the lower head from the reactor pressure vessel.

Inventors:: Keller, Michael; Snuggerud, Ross T.

Issue Date:: 2019-12-03

Research Org.:: NuScale Power, LLC, Portland, OR (United States)

Sponsoring Org.:: USDOE

OSTI Identifier:: 1600361

Patent Number(s):: 10497482

Application Number:: 15/004,128

Assignee:: NuScale Power, LLC (Portland, OR)

Patent Classifications (CPCs):: G - PHYSICS G21 - NUCLEAR PHYSICS G21C - NUCLEAR REACTORS

Y - NEW / CROSS SECTIONAL TECHNOLOGIES Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE Y02E - REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION

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G - PHYSICS G21 - NUCLEAR PHYSICS G21C - NUCLEAR REACTORS
G21C1/08 - moderator being highly pressurised, e.g. boiling water reactor, integral super-heat reactor, pressurised water reactor
G21C1/32 - Integral reactors, i.e. reactors wherein parts functionally associated with the reactor but not essential to the reaction, e.g. heat exchangers, are disposed inside the enclosure with the core
G21C13/02 - Details
G21C17/10 - Structural combination of fuel element, control rod, reactor core, or moderator structure with sensitive instruments, e.g. for measuring radioactivity, strain
G21C19/02 - Details of handling arrangements
G21C19/07 - Storage racks
G21C19/18 - Apparatus for bringing fuel elements to the reactor charge area, e.g. from a storage place
G21C19/20 - Arrangements for introducing objects into the pressure vessel
G21C19/32 - Apparatus for removing radioactive objects or materials from the reactor discharge area, e.g. to a storage place

Y - NEW / CROSS SECTIONAL TECHNOLOGIES Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE Y02E - REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
Y02E30/30 - Nuclear fission reactors

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DOE Contract Number:: NE0000633

Resource Type:: Patent

Resource Relation:: Patent File Date: 01/22/2016

Country of Publication:: United States

Language:: English

Subject:: 46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY

Citation Formats


                    Keller, Michael, and Snuggerud, Ross T. In-core instrumentation.  United States: N. p., 2019. 
        Web.

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                    Keller, Michael, & Snuggerud, Ross T. In-core instrumentation.  United States.

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                    Keller, Michael, and Snuggerud, Ross T. Tue .  
        "In-core instrumentation".  United States.  https://www.osti.gov/servlets/purl/1600361.

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@article{osti_1600361,

  title        = {In-core instrumentation},

  author       = {Keller, Michael and Snuggerud, Ross T.},

  abstractNote = {An in-core instrumentation system for a reactor module includes a plurality of in-core instruments connected to a containment vessel and a reactor pressure vessel at least partially located within the containment vessel. A reactor core is housed within a lower head that is removably attached to the reactor pressure vessel, and lower ends of the in-core instruments are located within the reactor core. The in-core instruments are configured such that the lower ends are concurrently removed from the reactor core as a result of removing the lower head from the reactor pressure vessel.},

  doi          = {},

  journal      = {},
number       = ,

  volume       = ,

  place        = {United States},

  year         = {2019},

  month        = {12}

}

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Works referenced in this record:

Integral pressurized water reactor with compact upper internals assembly
patent-application, November 2013

Shargots, Scott J.; Ales, Matthew W.; Berthold, Michael S.
US Patent Application 13/863659; 20130301776
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Apparatus and method for removing the upper internals from a nuclear reactor pressurized vessel
patent, April 2016

Harkness, Alexander W.
US Patent Document 9,318,227
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Small modular reactor refueling sequence
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Shargots, Scott J.; Ales, Matthew W.; Inman, James B.
US Patent Application 13/862112; 20130301779
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CRDM internal hydraulic connector
patent-application, November 2013

Shargots, Scott J.
US Patent Application 13/860058; 20130301778
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Control rod position indication systems and methods for nuclear power plants
patent, September 2014

Sexton, Casey D.; Beverly, Danny D.; Morton, Gregory W.
US Patent Document 8,824,617
URL: https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/8824617

Method and apparatus for refueling a nuclear reactor having an instrumentation penetration flange
patent, June 2015

Harkness, Alexander W.
US Patent Document 9,064,607
URL: https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/9064607