GB1025939A - Improvements in devices for securing the feet of nuclear fuel elements - Google Patents
Improvements in devices for securing the feet of nuclear fuel elementsInfo
- Publication number
- GB1025939A GB1025939A GB43645/63A GB4364563A GB1025939A GB 1025939 A GB1025939 A GB 1025939A GB 43645/63 A GB43645/63 A GB 43645/63A GB 4364563 A GB4364563 A GB 4364563A GB 1025939 A GB1025939 A GB 1025939A
- Authority
- GB
- United Kingdom
- Prior art keywords
- sleeve
- chamber
- fuel element
- modification
- aperture
- 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
- G21C5/00—Moderator or core structure; Selection of materials for use as moderator
- G21C5/02—Details
- G21C5/06—Means for locating or supporting fuel elements
-
- 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)
- Liquid Carbonaceous Fuels (AREA)
- Monitoring And Testing Of Nuclear Reactors (AREA)
Abstract
1,025,939. Reactors. COMMISSARIAT A L'ENERGIE ATOMIQUE. Nov. 5, 1963 [Nov. 5, 1962], No. 43645/63. Heading G6C. The lower end of a fuel element is secured in an aperture in a support grid within a reactor by a deformable sleeve located within the aperture, the deformation of the sleeve being controllable so it may be made to grasp the fuel element. As shown, Fig. 2, a support grid 2 has an aperture 21 provided with an annular seating 23 receiving an elastomer sleeve 4, this sleeve forming an annular space 5 and being sealed at its ends by flanges 41 to the grid. Fluid pressure is admitted to the space 5 via a pipe 24 to cause deformation of the sleeve 4 to secure the foot of a fuel element (not shown). Preferably, a flexible metal ring 6 having slots 61 is interposed between the sleeve 4 and the fuel element. In a modification (Figs. 4, 5, not shown) the ring 6 is omitted and the sleeve 4 has metal inserts. In a further modification, Fig. 6, the sleeve comprises a toric chamber having inner and outer walls 71, 72 and connected to a fluid pressure source through the pipe 24, the chamber being of elastomer. In a modification of Fig. 6 (Figs. 8, 9, not shown the chamber is of metal. The inner wall of the chamber may be rendered more flexible by longitudinal grooving (Figs. 10, 11, not shown). A slotted metal ring may be interposed between the chamber and fuel element (Figs. 12, 13, not shown). In a final modification the chamber does not extend through a complete circle but has a small longitudinal gap (Figs. 14, 15, not shown). The pressure fluid may be air, nitrogen, argon, steam, demineralized water or molten sodium.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR914418A FR1346377A (en) | 1962-11-05 | 1962-11-05 | Device for locking a fuel element on a support grid of a nuclear reactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1025939A true GB1025939A (en) | 1966-04-14 |
Family
ID=8790138
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB43645/63A Expired GB1025939A (en) | 1962-11-05 | 1963-11-05 | Improvements in devices for securing the feet of nuclear fuel elements |
Country Status (6)
| Country | Link |
|---|---|
| BE (1) | BE639554A (en) |
| DE (1) | DE1213065B (en) |
| FR (1) | FR1346377A (en) |
| GB (1) | GB1025939A (en) |
| LU (1) | LU44740A1 (en) |
| NL (1) | NL300112A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0036820A1 (en) * | 1980-03-26 | 1981-09-30 | COMMISSARIAT A L'ENERGIE ATOMIQUE Etablissement de Caractère Scientifique Technique et Industriel | Device for the limitation of the effects of axial hydraulic pressure on the fuel assemblies of a nuclear reactor |
| US5390222A (en) * | 1990-12-05 | 1995-02-14 | Siemens Aktiengesellschaft | Fuel assembly or control assembly with releasable locking between the case and the upper or lower end part of the assembly |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2864326B1 (en) * | 2003-12-22 | 2006-02-24 | Framatome Anp | METHOD FOR LIMITING HOLDING EFFORTS EXERCISED ON FUEL ASSEMBLY OF A NUCLEAR REACTOR AND FUEL ASSEMBLY |
-
0
- BE BE639554D patent/BE639554A/xx unknown
- NL NL300112D patent/NL300112A/xx unknown
-
1962
- 1962-11-05 FR FR914418A patent/FR1346377A/en not_active Expired
-
1963
- 1963-10-31 LU LU44740D patent/LU44740A1/xx unknown
- 1963-11-04 DE DEC31308A patent/DE1213065B/en active Pending
- 1963-11-05 GB GB43645/63A patent/GB1025939A/en not_active Expired
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0036820A1 (en) * | 1980-03-26 | 1981-09-30 | COMMISSARIAT A L'ENERGIE ATOMIQUE Etablissement de Caractère Scientifique Technique et Industriel | Device for the limitation of the effects of axial hydraulic pressure on the fuel assemblies of a nuclear reactor |
| US4659538A (en) * | 1980-03-26 | 1987-04-21 | Commissariat A L'energie Atomique | Apparatus for limiting the effect of axial hydraulic flow force exerted on fuel assemblies of water-cooled nuclear reactors |
| US5390222A (en) * | 1990-12-05 | 1995-02-14 | Siemens Aktiengesellschaft | Fuel assembly or control assembly with releasable locking between the case and the upper or lower end part of the assembly |
Also Published As
| Publication number | Publication date |
|---|---|
| NL300112A (en) | |
| DE1213065B (en) | 1966-03-24 |
| BE639554A (en) | |
| FR1346377A (en) | 1963-12-20 |
| LU44740A1 (en) | 1963-12-31 |
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