GB1413305A - Nuclear reactor fuel elements and cellular grid structures therefor - Google Patents
Nuclear reactor fuel elements and cellular grid structures thereforInfo
- Publication number
- GB1413305A GB1413305A GB5541172A GB5541172A GB1413305A GB 1413305 A GB1413305 A GB 1413305A GB 5541172 A GB5541172 A GB 5541172A GB 5541172 A GB5541172 A GB 5541172A GB 1413305 A GB1413305 A GB 1413305A
- Authority
- GB
- United Kingdom
- Prior art keywords
- band
- plates
- width
- fuel elements
- sloping surfaces
- 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
- 230000001413 cellular effect Effects 0.000 title abstract 4
- 239000003758 nuclear fuel Substances 0.000 title abstract 2
- 239000000446 fuel Substances 0.000 abstract 3
- 230000002093 peripheral effect Effects 0.000 abstract 2
- 238000007599 discharging Methods 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
- 230000003071 parasitic effect Effects 0.000 abstract 1
- 125000006850 spacer group Chemical group 0.000 abstract 1
- 230000007704 transition Effects 0.000 abstract 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
- G21C3/334—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
- G21C3/34—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
- Y02E30/30—Nuclear fission reactors
Abstract
1413305 Fuel elements BABCOCK & WILCOX CO 30 Nov 1972 [13 Dec 1971] 55411/72 Heading G6C A nuclear fuel element spacer grid structure comprises a cellular arrangement circumscribed by a peripheral band, the width of the band being less than the width of the components of the cellular arrangement and sloping surfaces being provided to afford transition zones when the members of different widths abut As shown in Fig. 1, the grid structure comprises a cellular arrangement of mutually perpendicular, interlocked plates such as 11-15 circumscribed by a peripheral band 25 whose width, taken vertically in the figure, is less than the width of the plates 11-15. Corners of the plates 11-15 are chamfered to provide sloping surfaces 20-23 where the ends of the plates abut the band. Additionally, corners of the band 25 are cut away to provided Vee-shapes 30, 31. The sloping surfaces and corner shape assist proper location of adjacent fuel elements such as elements 33, 34 (Fig. 3) during charging/ discharging and prevent their becoming locked together. Also, due to the reduction of material in the structure, parasitic neutron losses are reduced. As shown, inwardly protruding detents 19, 24 are formed in the plates 11-15 and band 25 to contact the fuel rods. The detents may be provided on inwardly bent parts of the plates and band. Specification 1,413,306 is referred to.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US20725571A | 1971-12-13 | 1971-12-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1413305A true GB1413305A (en) | 1975-11-12 |
Family
ID=22769802
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1730575A Expired GB1413306A (en) | 1971-12-13 | 1972-11-30 | Grid plate for use in constructing a cellular grid structure for a nuclear reactor fuel element |
| GB5541172A Expired GB1413305A (en) | 1971-12-13 | 1972-11-30 | Nuclear reactor fuel elements and cellular grid structures therefor |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1730575A Expired GB1413306A (en) | 1971-12-13 | 1972-11-30 | Grid plate for use in constructing a cellular grid structure for a nuclear reactor fuel element |
Country Status (13)
| Country | Link |
|---|---|
| JP (1) | JPS5227796B2 (en) |
| AU (1) | AU445438B2 (en) |
| BE (1) | BE791809A (en) |
| CA (1) | CA968078A (en) |
| CH (2) | CH587538A5 (en) |
| DE (1) | DE2257000C3 (en) |
| ES (1) | ES409528A1 (en) |
| FR (1) | FR2163482B1 (en) |
| GB (2) | GB1413306A (en) |
| IT (1) | IT971503B (en) |
| LU (1) | LU66557A1 (en) |
| NL (1) | NL172281C (en) |
| SE (1) | SE373682B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4388269A (en) * | 1980-11-21 | 1983-06-14 | The Babcock & Wilcox Company | Spacer grid corner gusset |
| FR2878645B1 (en) | 2004-11-30 | 2007-02-09 | Framatome Anp Sas | PEN HOLDING GRID FOR NUCLEAR FUEL ASSEMBLY AND CORRESPONDING ASSEMBLY |
-
0
- BE BE791809D patent/BE791809A/en not_active IP Right Cessation
-
1972
- 1972-11-09 NL NLAANVRAGE7215142,A patent/NL172281C/en not_active IP Right Cessation
- 1972-11-09 AU AU48656/72A patent/AU445438B2/en not_active Expired
- 1972-11-16 CA CA156,579A patent/CA968078A/en not_active Expired
- 1972-11-21 DE DE2257000A patent/DE2257000C3/en not_active Expired
- 1972-11-22 SE SE7215180A patent/SE373682B/en unknown
- 1972-11-27 LU LU66557A patent/LU66557A1/xx unknown
- 1972-11-30 GB GB1730575A patent/GB1413306A/en not_active Expired
- 1972-11-30 GB GB5541172A patent/GB1413305A/en not_active Expired
- 1972-12-04 IT IT32436/72A patent/IT971503B/en active
- 1972-12-07 FR FR7243505A patent/FR2163482B1/fr not_active Expired
- 1972-12-12 CH CH1807472A patent/CH587538A5/xx not_active IP Right Cessation
- 1972-12-12 CH CH957175A patent/CH585953A5/xx not_active IP Right Cessation
- 1972-12-12 ES ES409528A patent/ES409528A1/en not_active Expired
- 1972-12-13 JP JP47124429A patent/JPS5227796B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| ES409528A1 (en) | 1976-06-16 |
| FR2163482A1 (en) | 1973-07-27 |
| DE2257000B2 (en) | 1974-06-20 |
| DE2257000C3 (en) | 1975-02-06 |
| CA968078A (en) | 1975-05-20 |
| AU445438B2 (en) | 1974-02-21 |
| FR2163482B1 (en) | 1977-08-26 |
| NL172281C (en) | 1983-08-01 |
| NL7215142A (en) | 1973-06-15 |
| CH587538A5 (en) | 1977-05-13 |
| AU4865672A (en) | 1974-02-21 |
| GB1413306A (en) | 1975-11-12 |
| IT971503B (en) | 1974-05-10 |
| JPS5227796B2 (en) | 1977-07-22 |
| JPS4865396A (en) | 1973-09-08 |
| BE791809A (en) | 1973-05-23 |
| SE373682B (en) | 1975-02-10 |
| LU66557A1 (en) | 1973-02-01 |
| DE2257000A1 (en) | 1973-06-20 |
| CH585953A5 (en) | 1977-03-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PCNP | Patent ceased through non-payment of renewal fee |