ES462449A1 - Mejoras en los sistemas de combustible para reactores nu- cleares - Google Patents
Mejoras en los sistemas de combustible para reactores nu- clearesInfo
- Publication number
- ES462449A1 ES462449A1 ES462449A ES462449A ES462449A1 ES 462449 A1 ES462449 A1 ES 462449A1 ES 462449 A ES462449 A ES 462449A ES 462449 A ES462449 A ES 462449A ES 462449 A1 ES462449 A1 ES 462449A1
- Authority
- ES
- Spain
- Prior art keywords
- grid lattice
- sliding strap
- tubular members
- strap
- sliding
- 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
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
- G21C3/34—Spacer grids
- G21C3/356—Spacer grids being provided with fuel element supporting members
- G21C3/3563—Supporting members formed only by deformations in the strips
-
- 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
- Y02E30/10—Nuclear fusion reactors
-
- 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
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Monitoring And Testing Of Nuclear Reactors (AREA)
- Tents Or Canopies (AREA)
- Suspension Of Electric Lines Or Cables (AREA)
- Fuel Cell (AREA)
- Structure Of Emergency Protection For Nuclear Reactors (AREA)
Abstract
Mejoras en los sistemas de combustible para reactores nucleares, que tienen una pluralidad de barras de combustible, caracterizadas por la provisión de un espaciador para soportar y espaciar lateralmente las barras que comprende. Una pluralidad de pares espaciados longitudinalmente de placas de rejilla de un primer tipo que tienen caras longitudinales dispuestas enfrentadas con salientes que prolongan lateralmente una parte de por lo menos una cara; Una pluralidad de bandas móviles que tienen caras longitudinales dispuestas enfrentadas con salientes que prolongan lateralmente una parte de por lo menos una cara; Otros tipos de placas de rejilla.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/772,183 US4125435A (en) | 1977-02-25 | 1977-02-25 | Grid lattice with sliding strap |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES462449A1 true ES462449A1 (es) | 1979-08-16 |
Family
ID=25094223
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES462449A Expired ES462449A1 (es) | 1977-02-25 | 1977-09-17 | Mejoras en los sistemas de combustible para reactores nu- cleares |
| ES472896A Expired ES472896A1 (es) | 1977-02-25 | 1978-08-01 | Metodo de espaciar y soportar lateralmente los elementos de combustible de un conjunto de combustible. |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES472896A Expired ES472896A1 (es) | 1977-02-25 | 1978-08-01 | Metodo de espaciar y soportar lateralmente los elementos de combustible de un conjunto de combustible. |
Country Status (15)
| Country | Link |
|---|---|
| US (1) | US4125435A (es) |
| JP (1) | JPS53105691A (es) |
| AT (1) | AT362464B (es) |
| BE (1) | BE858947A (es) |
| CA (1) | CA1088224A (es) |
| CH (1) | CH628752A5 (es) |
| DE (1) | DE2803482C3 (es) |
| ES (2) | ES462449A1 (es) |
| FR (1) | FR2381958A1 (es) |
| GB (1) | GB1549553A (es) |
| IL (1) | IL52752A (es) |
| IT (1) | IT1086351B (es) |
| LU (1) | LU78144A1 (es) |
| NL (1) | NL7710773A (es) |
| SE (1) | SE416764B (es) |
Families Citing this family (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4351795A (en) * | 1979-10-17 | 1982-09-28 | British Nuclear Fuels Limited | Grids for nuclear fuel assemblies |
| US4389369A (en) * | 1980-08-11 | 1983-06-21 | Westinghouse Electric Corp. | Bi-metallic grid for a nuclear reactor fuel assembly |
| FR2514932B1 (fr) * | 1981-10-16 | 1986-11-14 | Commissariat Energie Atomique | Grille d'espacement pour element combustible de reacteur nucleaire |
| FR2520149B1 (fr) * | 1982-01-20 | 1987-03-20 | Commissariat Energie Atomique | Grille d'espacement pour assemblage combustible de reacteur nucleaire comportant des points d'appui opposes deux a deux pratiques sur des lamelles deformables elastiquement |
| US4659541A (en) * | 1985-05-01 | 1987-04-21 | Westinghouse Electric Corp. | Nuclear fuel rod support grid with improved multiple dimple arrangement |
| IT1200308B (it) * | 1986-10-29 | 1989-01-12 | Ansaldo Spa | Schermo termico a nido d ape per scambiatori di calore |
| US4781884A (en) * | 1987-03-02 | 1988-11-01 | Combustion Engineering, Inc. | Debris catching strainer grid |
| US5235103A (en) * | 1987-08-12 | 1993-08-10 | Sanofi | Process for the preparation of phenylethanolaminotetralins |
| US4879090A (en) * | 1987-08-24 | 1989-11-07 | Combustion Engineering, Inc. | Split vaned nuclear fuel assembly grid |
| US5188798A (en) * | 1988-11-16 | 1993-02-23 | Mitsubishi Nuclear Fuel Co. | Grid for nuclear fuel assembly |
| JPH0797152B2 (ja) * | 1988-11-16 | 1995-10-18 | 三菱原子燃料株式会社 | 核燃料集合体及びその組立方法 |
| US5024807A (en) * | 1988-12-05 | 1991-06-18 | Combustion Engineering, Inc. | Debris catching spring detent spacer grid |
| US5032351A (en) * | 1990-05-11 | 1991-07-16 | General Electric Company | Modified cross point spacer apparatus and construction |
| FR2665291B1 (fr) * | 1990-07-24 | 1993-12-10 | Framatome | Grille additionnelle de melange et assemblage combustible nucleaire en comportant application. |
| FR2665293B1 (fr) * | 1990-07-24 | 1993-12-24 | Framatome | Procede de fabrication de grille a cellules calibrees pour assemblage combustible nucleaire. |
| US5488644A (en) * | 1994-07-13 | 1996-01-30 | General Electric Company | Spring assemblies for adjoining nuclear fuel rod containing ferrules and a spacer formed of the spring assemblies and ferrules |
| US5519747A (en) * | 1994-10-04 | 1996-05-21 | General Electric Company | Apparatus and methods for fabricating spacers for a nuclear fuel rod bundle |
| US5546437A (en) * | 1995-01-11 | 1996-08-13 | General Electric Company | Spacer for nuclear fuel rods |
| US5566217A (en) * | 1995-01-30 | 1996-10-15 | General Electric Company | Reduced height spacer for nuclear fuel rods |
| US5675621A (en) * | 1995-08-17 | 1997-10-07 | General Electric Company | Reduced height flat spring spacer for nuclear fuel rods |
| JP4346842B2 (ja) * | 2001-08-15 | 2009-10-21 | 三菱重工業株式会社 | Pwr原子炉用燃料集合体の異物フィルタ |
| US7889829B2 (en) * | 2004-09-02 | 2011-02-15 | Westinghouse Electric Company Llc | Nuclear fuel assembly protective grid |
| EP2204819B1 (en) * | 2008-12-31 | 2014-06-04 | Areva Np | Debris filter for use in a nuclear fuel assembly |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3665586A (en) * | 1968-11-07 | 1972-05-30 | Babcock & Wilcox Co | Nuclear fuel rod supporting arrangements |
| US3933583A (en) * | 1968-11-07 | 1976-01-20 | The Babcock & Wilcox Company | Nuclear fuel rod frame with fuel rods positioned by moveable member |
| US3679547A (en) * | 1968-12-16 | 1972-07-25 | Atomic Power Dev Ass Inc | Elastic support grid for nuclear fuel elements |
| US3674635A (en) * | 1970-03-27 | 1972-07-04 | Combustion Eng | Bimetallic spacer grid |
| US4007899A (en) * | 1971-03-26 | 1977-02-15 | Reactor Centrum Nederland | Lattice construction |
| BE785939A (fr) * | 1971-07-07 | 1973-01-08 | Atomic Energy Authority Uk | Perfectionnements aux elements combustibles de reacteurs nucleaires |
| BE785942A (fr) * | 1971-07-07 | 1973-01-08 | Atomic Energy Authority Uk | Perfectionnements aux elements combustibles de reacteurs nucleaires |
| US3892027A (en) * | 1971-10-28 | 1975-07-01 | Babcock & Wilcox Co | Industrial technique |
| US3795040A (en) * | 1971-10-28 | 1974-03-05 | Babcock & Wilcox Co | Method of inserting fuel rods into individual cells in a fuel element grid |
| US3770582A (en) * | 1971-11-04 | 1973-11-06 | United Nuclear Corp | Nuclear fuel element with strengthening during shipment |
| DE2260593A1 (de) * | 1971-12-17 | 1973-07-05 | Combustion Eng | Kern fuer einen kernreaktor |
| US3982994A (en) * | 1975-02-24 | 1976-09-28 | The Babcock & Wilcox Company | Grid lattice with horizontally-movable bar |
-
1977
- 1977-02-25 US US05/772,183 patent/US4125435A/en not_active Expired - Lifetime
- 1977-08-11 CA CA284,524A patent/CA1088224A/en not_active Expired
- 1977-08-16 IL IL52752A patent/IL52752A/xx unknown
- 1977-08-30 GB GB36211/77A patent/GB1549553A/en not_active Expired
- 1977-09-05 IT IT27244/77A patent/IT1086351B/it active
- 1977-09-08 CH CH1102477A patent/CH628752A5/de not_active IP Right Cessation
- 1977-09-17 ES ES462449A patent/ES462449A1/es not_active Expired
- 1977-09-19 LU LU78144A patent/LU78144A1/xx unknown
- 1977-09-22 BE BE181114A patent/BE858947A/xx not_active IP Right Cessation
- 1977-10-03 NL NL7710773A patent/NL7710773A/xx not_active Application Discontinuation
- 1977-10-19 AT AT746877A patent/AT362464B/de not_active IP Right Cessation
- 1977-10-20 SE SE7711812A patent/SE416764B/sv unknown
- 1977-12-21 JP JP15307377A patent/JPS53105691A/ja active Granted
-
1978
- 1978-01-27 DE DE2803482A patent/DE2803482C3/de not_active Expired
- 1978-02-16 FR FR7804341A patent/FR2381958A1/fr active Granted
- 1978-08-01 ES ES472896A patent/ES472896A1/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2381958B1 (es) | 1983-03-25 |
| SE7711812L (sv) | 1978-08-26 |
| JPS5549276B2 (es) | 1980-12-11 |
| ES472896A1 (es) | 1979-07-16 |
| GB1549553A (en) | 1979-08-08 |
| DE2803482B2 (de) | 1979-04-26 |
| IT1086351B (it) | 1985-05-28 |
| BE858947A (fr) | 1978-01-16 |
| CA1088224A (en) | 1980-10-21 |
| LU78144A1 (es) | 1978-01-17 |
| CH628752A5 (de) | 1982-03-15 |
| NL7710773A (nl) | 1978-08-29 |
| AT362464B (de) | 1981-05-25 |
| US4125435A (en) | 1978-11-14 |
| DE2803482C3 (de) | 1979-12-20 |
| DE2803482A1 (de) | 1978-08-31 |
| JPS53105691A (en) | 1978-09-13 |
| FR2381958A1 (fr) | 1978-09-22 |
| SE416764B (sv) | 1981-02-02 |
| ATA746877A (de) | 1980-10-15 |
| IL52752A (en) | 1982-04-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FD1A | Patent lapsed |
Effective date: 19971001 |