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1. 发明授权

US11594342B2 Evacuated containment vessel for nuclear reactor 有权
公开(公告)号：US11594342B2
公开(公告)日：2023-02-28
申请号：US15835332
申请日：2017-12-07
申请人： NuScale Power, LLC
发明人： Jose N. Reyes, Jr. , John T. Groome
IPC分类号： G21C15/18 , G21C9/012 , G21C13/00 , G21C11/08
摘要： A system includes a containment vessel configured to prohibit a release of a coolant, and a reactor vessel mounted inside the containment vessel. An outer surface of the reactor vessel is exposed to below atmospheric pressure, wherein substantially all gases are evacuated from within the containment vessel.

2. 发明申请

US20220246319A1 SUPPORTS WITH INTEGRATED SENSORS FOR NUCLEAR REACTOR STEAM GENERATORS, AND ASSOCIATED SYSTEMS AND METHODS 有权
公开(公告)号：US20220246319A1
公开(公告)日：2022-08-04
申请号：US17168118
申请日：2021-02-04
申请人： NuScale Power, LLC
发明人： Kent Welter
IPC分类号： G21C17/112 , G21C15/18 , G21C17/10
摘要： Supports with integrated sensors for nuclear reactor steam generators, and associated systems and methods, are disclosed. A representative method for forming a nuclear-powered steam generator includes forming an instrumented support, the instrumented support including a carrier portion and a retainer portion, with at least one of the carrier portion or the retainer portion being integrally formed with a sensor via an additive manufacturing process. The method can further include coupling the sensor to a communication link, supporting a helical steam conduit on the instrumented support, and installing the helical steam conduit and the instrumented support in a nuclear reactor. The helical steam conduit is positioned along a primary flow path, which is in turn positioned to circulate a heated primary flow in thermal communication with the helical steam conduit.

3. 发明授权

US11300236B2 Compact raised face flange 有权
公开(公告)号：US11300236B2
公开(公告)日：2022-04-12
申请号：US16221088
申请日：2018-12-14
申请人： NuScale Power, LLC
发明人： Tamas Liszkai
IPC分类号： F16L23/032 , F16L23/16 , G21C13/028
摘要： In an example, a raised face flange assembly, comprises an upper flange to couple to a lower flange using one or more bolts: wherein the upper flange or the lower flange comprises: a bolting face defining one or more openings for the one or more bolts, respectively; a pair of raised faces including a first raised face and a second raised face to make contact with a mating surface of the other of the upper flange or the lower flange; wherein a distance between an area of the second raised face and a plane corresponding to the bolting face is greater than a distance between an area of the first raised face and the plane to distribute contact force with a mating surface over the area of the second raised face to maintain a seal.

4. 发明申请

US20220090252A1 METHODS OF MANUFACTURING STRUCTURES FROM OXIDE DISPERSION STRENGTHENED (ODS) MATERIALS, AND ASSOCIATED SYSTEMS AND DEVICES 有权
公开(公告)号：US20220090252A1
公开(公告)日：2022-03-24
申请号：US17479932
申请日：2021-09-20
申请人： NuScale Power, LLC
发明人： Derick Botha , Michele Walden
IPC分类号： C23C6/00 , G21D1/02 , G21D9/00
摘要： Method of fabricating structures, such as parts for use in nuclear power generation systems, are described herein. A representative method of fabricating a part for a nuclear reactor system includes additively manufacturing the part as a monolithic structure from a wire formed of an oxide dispersion strengthen (ODS) material, which includes an oxide material dispersed within a metal material. Specifically, the method can include directing a beam of thermal energy toward the wire to melt the wire, and permitting the melted wire to cool and solidify to form the part such that the oxide material remains substantially dispersed within the metal material. By maintaining the dispersion of the oxide material within the metal material, the ODS material can retain a good creep resistance, wear-resistance, corrosion resistance, and/or other ODS material property at elevated temperatures—even after fabrication.

5. 发明授权

US11217352B2 Method for housing nuclear reactor modules 有权
公开(公告)号：US11217352B2
公开(公告)日：2022-01-04
申请号：US16599758
申请日：2019-10-11
申请人： NuScale Power, LLC
发明人： Michael Keller , Ross I. Snuggerud
IPC分类号： G21C19/07 , G21C19/18 , G21C1/32 , G21C13/02 , G21C17/10 , G21C19/02 , G21C19/32 , G21C1/08 , G21C19/20
摘要： 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.

6. 发明申请

US20210125737A1 HEAT PIPE NETWORKS FOR HEAT REMOVAL, SUCH AS HEAT REMOVAL FROM NUCLEAR REACTORS, AND ASSOCIATED SYSTEMS AND METHODS 有权
公开(公告)号：US20210125737A1
公开(公告)日：2021-04-29
申请号：US17071838
申请日：2020-10-15
申请人： NuScale Power, LLC
发明人： Frederick Botha , Jackson Keppen , Azat Yumadilovich Galimov
IPC分类号： G21C15/257 , G21C15/18 , F28D15/02
摘要： Nuclear reactor systems and associated devices and methods are described herein. A representative nuclear reactor system includes a heat pipe network having an evaporator region, an adiabatic region, and a condenser region. The heat pipe network can define a plurality of flow paths having an increasing cross-sectional flow area in a direction from the evaporator region toward the condenser region. The system can further include nuclear fuel thermally coupled to at least a portion of the evaporator region. The heat pipe network is positioned to transfer heat received from the fuel at the evaporator region, to the condenser region. The system can further include one or more heat exchangers thermally coupled to the evaporator region for transporting the heat out of the system for use in one or more processes, such as generating electricity.

7. 发明申请

US20200090823A1 REACTOR VESSEL REFLECTOR WITH INTEGRATED FLOW-THROUGH 审中-公开
公开(公告)号：US20200090823A1
公开(公告)日：2020-03-19
申请号：US13897963
申请日：2013-05-20
申请人： NuScale Power, LLC
发明人： Eric Paul Young
IPC分类号： G21C1/32 , G21C15/10
摘要： A nuclear reactor module includes a reactor core and a reactor housing that surrounds the reactor core about its sides, wherein the reactor housing is configured to direct coolant through the reactor core. A neutron reflector is located between the reactor core and the reactor housing, wherein the neutron reflector has a plurality of inlet ports facing the reactor core. The neutron reflector also has a plurality of outlet ports fluidly connected to the inlet ports to direct a portion of the coolant through the neutron reflector.

8. 发明申请

US20200027603A1 CONTROLLING A NUCLEAR REACTION 审中-公开
公开(公告)号：US20200027603A1
公开(公告)日：2020-01-23
申请号：US16237027
申请日：2018-12-31
申请人： NuScale Power, LLC
发明人： Allyson Callaway , Ben Bristol , Kenneth Rooks , Larry Linik
IPC分类号： G21D3/02 , G21C7/12 , G21D1/00 , G21D3/14 , G21D3/16 , G21D5/08 , F22B35/00 , G21C7/24 , G21C1/02
摘要： A nuclear power system includes a reactor vessel that includes a reactor core that includes nuclear fuel assemblies configured to generate a nuclear fission reaction; a riser positioned above the reactor core; a primary coolant flow path that extends from a bottom portion of the volume through the reactor core and through an annulus between the riser and the reactor vessel; a primary coolant that circulates through the primary coolant flow path to receive heat from the nuclear fission reaction and release the heat to generate electric power in a power generation system; and a control rod assembly system positioned in the reactor vessel and configured to position control rods in only two discrete positions.

9. 发明授权

US10510455B2 Multi-modular power plant with off-grid power source 有权
公开(公告)号：US10510455B2
公开(公告)日：2019-12-17
申请号：US15367405
申请日：2016-12-02
申请人： NuScale Power, LLC
发明人： Ted Hough , Ross Snuggerud
IPC分类号： G21D1/00 , G21D3/00 , G21D3/04
摘要： A multi-modular power plant may include a plurality of on-site nuclear power modules configured to generate a power plant output, wherein one or more of the nuclear power modules may be designated as service module units which are configured to generate a first portion of the power plant output. A remainder of the nuclear power modules may be configured to generate a second portion of the power plant output. A number of power plant systems may be configured to operate using electricity associated with a house load of the power plant, wherein the first portion of the power plant output is equal to or greater than the house load. Additionally, a switchyard may be configured to electrically connect the power plant to a distributed electrical grid. The distributed electrical grid may be configured to service a plurality of geographically distributed consumers, and the switchyard may be configured to apply the second portion of the power plant output to the distributed electrical grid. The switchyard may further be configured to apply at least part of the first portion of the power plant output to the power plant systems during a loss of power from the distributed electrical grid.

10. 发明授权

US10445160B2 Remote monitoring of critical reactor parameters 有权
公开(公告)号：US10445160B2
公开(公告)日：2019-10-15
申请号：US14973299
申请日：2015-12-17
申请人： NuScale Power, LLC
发明人： Jason Pottorf , Ted Hough
IPC分类号： G21C17/00 , G06F11/00 , G21D3/06 , G21D1/00 , G21D3/04
摘要： A nuclear reactor instrumentation system monitors a nuclear power system that includes a reactor core within a reactor vessel and one or more sensors for monitoring parameters of the nuclear power system. The nuclear reactor instrumentation system includes a computer having a processor and configured to be powered by a normal power source and a backup power source; a wireless transmitter operable under the control of the processor; and a memory coupled to the processor and containing stored programming instructions. The stored programming instructions are executable by the processor to cause the processor to receive data from the sensors; identify a loss of normal power from the normal power source; and in response to identifying the loss of normal power, cause the wireless transmitter to transmit the received data.

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