DE3470106D1 - Removable top nozzle and tool for a nuclear reactor fuel assembly - Google Patents
Removable top nozzle and tool for a nuclear reactor fuel assemblyInfo
- Publication number
- DE3470106D1 DE3470106D1 DE8484308939T DE3470106T DE3470106D1 DE 3470106 D1 DE3470106 D1 DE 3470106D1 DE 8484308939 T DE8484308939 T DE 8484308939T DE 3470106 T DE3470106 T DE 3470106T DE 3470106 D1 DE3470106 D1 DE 3470106D1
- Authority
- DE
- Germany
- Prior art keywords
- tool
- nuclear reactor
- fuel assembly
- top nozzle
- reactor fuel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 239000003758 nuclear fuel Substances 0.000 title 1
Classifications
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C3/00—Reactor fuel elements and their assemblies; Selection of substances for use as reactor fuel elements
- G21C3/30—Assemblies of a number of fuel elements in the form of a rigid unit
- G21C3/32—Bundles of parallel pin-, rod-, or tube-shaped fuel elements
- G21C3/33—Supporting or hanging of elements in the bundle; Means forming part of the bundle for inserting it into, or removing it from, the core; Means for coupling adjacent bundles
- G21C3/3315—Upper nozzle
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C3/00—Reactor fuel elements and their assemblies; Selection of substances for use as reactor fuel elements
- G21C3/30—Assemblies of a number of fuel elements in the form of a rigid unit
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B9/00—Connections of rods or tubular parts to flat surfaces at an angle
- F16B9/05—Connections of rods or tubular parts to flat surfaces at an angle by way of an intermediate member
- F16B9/056—Connections of rods or tubular parts to flat surfaces at an angle by way of an intermediate member the intermediate member extending through the flat surface; the rod or tubular part extending through the flat surface
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C3/00—Reactor fuel elements and their assemblies; Selection of substances for use as reactor fuel elements
- G21C3/30—Assemblies of a number of fuel elements in the form of a rigid unit
- G21C3/32—Bundles of parallel pin-, rod-, or tube-shaped fuel elements
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C3/00—Reactor fuel elements and their assemblies; Selection of substances for use as reactor fuel elements
- G21C3/30—Assemblies of a number of fuel elements in the form of a rigid unit
- G21C3/32—Bundles of parallel pin-, rod-, or tube-shaped fuel elements
- G21C3/33—Supporting or hanging of elements in the bundle; Means forming part of the bundle for inserting it into, or removing it from, the core; Means for coupling adjacent bundles
- G21C3/331—Comprising hold-down means, e.g. springs
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C3/00—Reactor fuel elements and their assemblies; Selection of substances for use as reactor fuel elements
- G21C3/30—Assemblies of a number of fuel elements in the form of a rigid unit
- G21C3/32—Bundles of parallel pin-, rod-, or tube-shaped fuel elements
- G21C3/334—Assembling, maintenance or repair of the bundles
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C3/00—Reactor fuel elements and their assemblies; Selection of substances for use as reactor fuel elements
- G21C3/30—Assemblies of a number of fuel elements in the form of a rigid unit
- G21C3/32—Bundles of parallel pin-, rod-, or tube-shaped fuel elements
- G21C3/33—Supporting or hanging of elements in the bundle; Means forming part of the bundle for inserting it into, or removing it from, the core; Means for coupling adjacent bundles
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C3/00—Reactor fuel elements and their assemblies; Selection of substances for use as reactor fuel elements
- G21C3/30—Assemblies of a number of fuel elements in the form of a rigid unit
- G21C3/32—Bundles of parallel pin-, rod-, or tube-shaped fuel elements
- G21C3/335—Exchanging elements in irradiated bundles
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- 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
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- High Energy & Nuclear Physics (AREA)
- Mechanical Engineering (AREA)
- Monitoring And Testing Of Nuclear Reactors (AREA)
- Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
- Manipulator (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/564,058 US4603027A (en) | 1983-12-21 | 1983-12-21 | Removable top nozzle and tool for a nuclear reactor fuel assembly |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3470106D1 true DE3470106D1 (en) | 1988-04-28 |
Family
ID=24252996
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8484308939T Expired DE3470106D1 (en) | 1983-12-21 | 1984-12-20 | Removable top nozzle and tool for a nuclear reactor fuel assembly |
Country Status (6)
Country | Link |
---|---|
US (2) | US4603027A (de) |
EP (1) | EP0147183B1 (de) |
JP (1) | JPS60186782A (de) |
KR (1) | KR910007920B1 (de) |
DE (1) | DE3470106D1 (de) |
ES (1) | ES8702026A1 (de) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2589614B1 (fr) * | 1985-08-09 | 1988-01-08 | Fragema Framatome & Cogema | Assemblage combustible nucleaire a structure de maintien et dispositif anti-envol |
US4692304A (en) * | 1985-12-23 | 1987-09-08 | Westinghouse Electric Corp. | Removable and reusable locking pin for top nozzle assembly and disassembly |
US4699761A (en) * | 1986-04-30 | 1987-10-13 | Westinghouse Electric Corp. | Integral reusable locking arrangement for a removable top nozzle subassembly of a reconstitutable nuclear fuel assembly |
US4738820A (en) * | 1986-11-21 | 1988-04-19 | Westinghouse Electric Corp. | Nuclear fuel assembly bottom nozzle attachment system allowing reconstitution |
DE69001678T2 (de) * | 1989-01-13 | 1993-09-02 | Hitachi Eng Co Ltd | Kernbrennstoffanordnungen. |
US4986959A (en) * | 1989-05-17 | 1991-01-22 | Westinghouse Electric Corp. | Nuclear fuel assembly with expandable top nozzle subassembly |
US5084230A (en) * | 1990-12-12 | 1992-01-28 | Westinghouse Electric Corp. | Hand held tool for removing and replacing a removable top nozzle |
US5268948A (en) * | 1992-06-25 | 1993-12-07 | Duke Power Company | Locking assembly for nuclear fuel bundles |
DE4325062A1 (de) * | 1993-07-26 | 1995-02-02 | Siemens Ag | Kernreaktorbrennelement |
US5363423A (en) * | 1993-08-19 | 1994-11-08 | Westinghouse Electric Corporation | Quick release top nozzle assembly |
GB9408445D0 (en) * | 1994-04-28 | 1994-06-29 | British Nuclear Fuels Plc | Hold-down apparatus for nuclear fuel assemblies |
US5479464A (en) * | 1994-08-30 | 1995-12-26 | Westinghouse Electric Corporation | Expandable top nozzle and device for securing same to a nuclear fuel assembly |
US5461647A (en) * | 1994-08-31 | 1995-10-24 | B&W Fuel Company | Drive tool for upper end fitting locking arrangement |
US6115440A (en) * | 1998-04-29 | 2000-09-05 | Westinghouse Electric Company Llc | Quick release, removable top nozzle assembly |
US6738447B1 (en) * | 2003-05-22 | 2004-05-18 | Westinghouse Electric Company Llc | High energy absorption top nozzle for a nuclear fuel assembly |
FR2860640B1 (fr) | 2003-10-01 | 2006-01-13 | Framatome Anp | Procede et dispositif de conditionnement de crayons de combustible nucleaire non etanches en vue de leur transport et de leur stockage ou entreposage de longue duree |
RU2687048C1 (ru) * | 2018-06-14 | 2019-05-07 | Акционерное общество "Концерн по производству электрической и тепловой энергии на атомных станциях" (АО "Концерн Росэнергоатом") | Способ разделки на фрагменты длинномерных элементов ядерного реактора и устройство для его осуществления |
WO2019240610A1 (ru) * | 2018-06-15 | 2019-12-19 | Акционерное Общество "Твэл" | Тепловыделяющая сборка ядерного реактора |
CN112837832B (zh) * | 2020-12-30 | 2023-05-23 | 中国原子能科学研究院 | 一种用于更换控制棒组件外套筒的旋转式换料专用结构 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3814667A (en) * | 1971-05-20 | 1974-06-04 | Combustion Eng | Fuel assembly hold-down device |
US4030975A (en) * | 1973-06-25 | 1977-06-21 | Combustion Engineering, Inc. | Fuel assembly for a nuclear reactor |
US4036692A (en) * | 1975-08-01 | 1977-07-19 | The Babcock & Wilcox Company | Nuclear fuel element nut retainer cup |
US4192716A (en) * | 1976-12-27 | 1980-03-11 | Combustion Engineering Inc. | Peripheral pin alignment system for fuel assemblies |
US4219386A (en) * | 1977-06-10 | 1980-08-26 | Exxon Nuclear Company, Inc. | PWR Integral tie plate and locking mechanism |
US4321111A (en) * | 1977-10-26 | 1982-03-23 | The Babcock & Wilcox Company | Industrial technique |
FR2420826A1 (fr) * | 1978-03-22 | 1979-10-19 | Commissariat Energie Atomique | Assemblage combustible montable et demontable a distance pour reacteur nucleaire et outils correspondants |
EP0041014B1 (de) * | 1980-05-27 | 1985-02-20 | COMMISSARIAT A L'ENERGIE ATOMIQUE Etablissement de Caractère Scientifique Technique et Industriel | Befestigungsanordnung für ein Führungsrohr eines Brennelementenbündels auf die Endplatten dieses Bündels |
-
1983
- 1983-12-21 US US06/564,058 patent/US4603027A/en not_active Expired - Lifetime
-
1984
- 1984-12-14 JP JP59263133A patent/JPS60186782A/ja active Granted
- 1984-12-17 KR KR1019840008026A patent/KR910007920B1/ko active IP Right Grant
- 1984-12-18 ES ES538744A patent/ES8702026A1/es not_active Expired
- 1984-12-20 EP EP84308939A patent/EP0147183B1/de not_active Expired
- 1984-12-20 DE DE8484308939T patent/DE3470106D1/de not_active Expired
-
1985
- 1985-10-03 US US06/783,511 patent/US4687619A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US4687619A (en) | 1987-08-18 |
KR910007920B1 (ko) | 1991-10-04 |
EP0147183A3 (en) | 1985-11-21 |
EP0147183A2 (de) | 1985-07-03 |
ES8702026A1 (es) | 1986-12-01 |
JPS60186782A (ja) | 1985-09-24 |
JPH0214677B2 (de) | 1990-04-09 |
KR850004858A (ko) | 1985-07-27 |
EP0147183B1 (de) | 1988-03-23 |
US4603027A (en) | 1986-07-29 |
ES538744A0 (es) | 1986-12-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |