CH617031A5 - Spacer grid for nuclear reactor fuel elements. - Google Patents
Spacer grid for nuclear reactor fuel elements. Download PDFInfo
- Publication number
- CH617031A5 CH617031A5 CH940077A CH940077A CH617031A5 CH 617031 A5 CH617031 A5 CH 617031A5 CH 940077 A CH940077 A CH 940077A CH 940077 A CH940077 A CH 940077A CH 617031 A5 CH617031 A5 CH 617031A5
- Authority
- CH
- Switzerland
- Prior art keywords
- resilient
- spacer grid
- mesh
- nuclear reactor
- contact elements
- Prior art date
Links
- 125000006850 spacer group Chemical group 0.000 title description 16
- 239000003758 nuclear fuel Substances 0.000 title 1
- 239000000446 fuel Substances 0.000 description 11
- 238000010276 construction Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 229910001093 Zr alloy Inorganic materials 0.000 description 3
- 239000002826 coolant Substances 0.000 description 3
- 230000002349 favourable effect Effects 0.000 description 2
- 229910001026 inconel Inorganic materials 0.000 description 2
- 239000012858 resilient material Substances 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 239000004035 construction material Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 210000003608 fece Anatomy 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 239000010871 livestock manure Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 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
- G21C3/34—Spacer grids
- G21C3/356—Spacer grids being provided with fuel element supporting members
- G21C3/3566—Supporting members formed only of elements fixed on 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
- Y02E30/30—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)
- Structure Of Emergency Protection For Nuclear Reactors (AREA)
- Springs (AREA)
- Hybrid Cells (AREA)
- Connection Of Plates (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2644297A DE2644297C2 (de) | 1976-09-30 | 1976-09-30 | Abstandshaltergitter für Brennstäbe von Kernreaktorbrennelementen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH617031A5 true CH617031A5 (en) | 1980-04-30 |
Family
ID=5989396
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH940077A CH617031A5 (en) | 1976-09-30 | 1977-07-29 | Spacer grid for nuclear reactor fuel elements. |
Country Status (7)
| Country | Link |
|---|---|
| BE (1) | BE859115A (xx) |
| CH (1) | CH617031A5 (xx) |
| DE (1) | DE2644297C2 (xx) |
| ES (1) | ES462814A1 (xx) |
| FR (1) | FR2366669A1 (xx) |
| GB (1) | GB1539367A (xx) |
| SE (1) | SE7710339L (xx) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2941320C2 (de) * | 1979-10-11 | 1983-03-03 | Kraftwerk Union AG, 4330 Mülheim | Abstandshalter zu Zentrierung der Brennstäbe von Brennelementen wassergekühlter Kernreaktoren |
| FR2474229B1 (fr) * | 1980-01-22 | 1986-08-22 | Commissariat Energie Atomique | Grille entretoise pour assemblage combustible de reacteur nucleaire |
| AT375206B (de) * | 1980-01-22 | 1984-07-10 | Framatome & Cie | Abstandsgitter fuer das brennstoffbuendel eines kernreaktors |
| US4544522A (en) * | 1982-08-20 | 1985-10-01 | General Electric Company | Nuclear fuel assembly spacer |
| US4578240A (en) * | 1983-01-03 | 1986-03-25 | Westinghouse Electric Corp. | Nuclear reactor fuel assembly spacer grid |
| US4844860A (en) * | 1986-06-20 | 1989-07-04 | Combustion Engineering, Inc. | Support grid with integral vanes |
| FR2610445B1 (fr) * | 1987-01-29 | 1989-06-09 | Framatome Sa | Ressort en epingle a cheveux pour assemblage de combustible nucleaire et grille d'assemblage comportant de tels ressorts |
| FR2646548B1 (fr) * | 1989-04-28 | 1993-11-26 | Framatome | Grille a ressorts de maintien pour assemblage combustible nucleaire |
| DE59306057D1 (de) * | 1992-10-13 | 1997-05-07 | Siemens Ag | Gitterförmiger Abstandhalter für ein Kernreaktorbrennelement |
| WO1998032133A1 (de) | 1997-01-15 | 1998-07-23 | Siemens Aktiengesellschaft | Abstandhalter mit befestigten federn für brennelemente von kernreaktoren |
| CN109920561B (zh) * | 2019-02-27 | 2020-09-29 | 广东核电合营有限公司 | 燃料组件及定位格架 |
-
1976
- 1976-09-30 DE DE2644297A patent/DE2644297C2/de not_active Expired
-
1977
- 1977-07-29 CH CH940077A patent/CH617031A5/de not_active IP Right Cessation
- 1977-09-15 SE SE7710339A patent/SE7710339L/xx not_active Application Discontinuation
- 1977-09-27 FR FR7729070A patent/FR2366669A1/fr active Granted
- 1977-09-28 BE BE181238A patent/BE859115A/xx not_active IP Right Cessation
- 1977-09-29 GB GB40603/77A patent/GB1539367A/en not_active Expired
- 1977-09-30 ES ES462814A patent/ES462814A1/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2366669B3 (xx) | 1980-07-11 |
| DE2644297A1 (de) | 1978-04-06 |
| BE859115A (fr) | 1978-01-16 |
| SE7710339L (sv) | 1978-03-31 |
| ES462814A1 (es) | 1978-08-16 |
| DE2644297C2 (de) | 1986-06-12 |
| FR2366669A1 (fr) | 1978-04-28 |
| GB1539367A (en) | 1979-01-31 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |