IT8722302A0 - Elemento di fissaggio con scarico delle sollecitazioni in un complesso di combustibile nucleare. - Google Patents
Elemento di fissaggio con scarico delle sollecitazioni in un complesso di combustibile nucleare.Info
- Publication number
- IT8722302A0 IT8722302A0 IT8722302A IT2230287A IT8722302A0 IT 8722302 A0 IT8722302 A0 IT 8722302A0 IT 8722302 A IT8722302 A IT 8722302A IT 2230287 A IT2230287 A IT 2230287A IT 8722302 A0 IT8722302 A0 IT 8722302A0
- Authority
- IT
- Italy
- Prior art keywords
- stress
- nuclear fuel
- fuel complex
- relief fastener
- relief
- Prior art date
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
- G21C3/324—Coats or envelopes for the 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
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T403/00—Joints and connections
- Y10T403/21—Utilizing thermal characteristic, e.g., expansion or contraction, etc.
- Y10T403/217—Members having different coefficients of expansion
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T403/00—Joints and connections
- Y10T403/49—Member deformed in situ
- Y10T403/4941—Deformation occurs simultaneously with action of separate, diverse function, joint component
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Connection Of Plates (AREA)
- Fuel-Injection Apparatus (AREA)
- Catalysts (AREA)
- Solid Fuels And Fuel-Associated Substances (AREA)
- Monitoring And Testing Of Nuclear Reactors (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/925,766 US4764340A (en) | 1986-10-31 | 1986-10-31 | Fuel assembly stress relieving fastener |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8722302A0 true IT8722302A0 (it) | 1987-10-16 |
IT1222927B IT1222927B (it) | 1990-09-12 |
Family
ID=25452203
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT22302/87A IT1222927B (it) | 1986-10-31 | 1987-10-16 | Elemento di fissaggio con scarico delle sollecitazioni in un complesso di combustibile nucleare |
Country Status (5)
Country | Link |
---|---|
US (1) | US4764340A (it) |
JP (1) | JPS63121787A (it) |
ES (1) | ES2010522A6 (it) |
IT (1) | IT1222927B (it) |
SE (1) | SE461246B (it) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0423382B1 (de) * | 1989-10-16 | 1994-07-27 | Siemens Aktiengesellschaft | Kernreaktorbrennelement |
US5222954A (en) * | 1991-06-21 | 1993-06-29 | Artifex, Ltd. | Spinal implant system and method for installing the implant |
US5282862A (en) * | 1991-12-03 | 1994-02-01 | Artifex Ltd. | Spinal implant system and a method for installing the implant onto a vertebral column |
DE4300465A1 (de) * | 1993-01-11 | 1994-07-14 | Nass Magnet Gmbh | Befestigungssystem |
US5319691A (en) * | 1993-07-12 | 1994-06-07 | General Electric Company | Self locking nut for fuel assembly tie rods |
DE4435897C1 (de) * | 1994-10-07 | 1996-01-11 | Voith Sulzer Papiermasch Gmbh | Supportverbindungen |
US7463711B1 (en) * | 2004-05-25 | 2008-12-09 | Areva Np Inc. | Fuel channel fastener |
US7702060B2 (en) * | 2006-10-20 | 2010-04-20 | Global Nuclear Fuel - Americas, L.L.C. | Expanded nuclear fuel channel |
US8250829B2 (en) | 2008-05-22 | 2012-08-28 | Mainstream Energy Corporation | Module attachment apparatus |
EP2336548B1 (en) * | 2009-12-17 | 2012-07-25 | Delphi Technologies Holding S.à.r.l. | Fastening member |
US9053826B2 (en) * | 2010-03-03 | 2015-06-09 | Westinghouse Electric Company Llc | Protective grid attachment |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US269412A (en) * | 1882-12-19 | hb aton | ||
US1156798A (en) * | 1913-06-09 | 1915-10-12 | John W Meaker | Nut. |
US1635082A (en) * | 1921-06-15 | 1927-07-05 | Skf Svenska Kullagerfab Ab | Self-locking nut |
US1966044A (en) * | 1933-06-17 | 1934-07-10 | Charles E S Place | Cap screw or bolt |
US2375325A (en) * | 1942-02-13 | 1945-05-08 | Oliver Edwin Simmonds | Self-locking nut |
US3053300A (en) * | 1957-06-26 | 1962-09-11 | Quinto Mario | Fastening means having undulating substructure-engaging surface |
US3366546A (en) * | 1965-12-02 | 1968-01-30 | Combustion Eng | Nuclear reactor |
US3715274A (en) * | 1969-08-15 | 1973-02-06 | Gen Electric | Nuclear fuel assembly with reinforced flow channel |
US3953287A (en) * | 1973-08-06 | 1976-04-27 | Exxon Nuclear Company, Inc. | Assembly mechanism for nuclear fuel bundles |
US4019550A (en) * | 1975-06-09 | 1977-04-26 | Abbott Screw & Mfg. Co. | Sealing nut with nylon insert |
US4189348A (en) * | 1976-07-26 | 1980-02-19 | General Atomic Company | Fuel rod assembly to manifold attachment |
US4269248A (en) * | 1979-04-20 | 1981-05-26 | Maclean-Fogg Company | Fastener with flexible flange |
ZA813373B (en) * | 1980-05-27 | 1982-06-30 | Commissariat Energie Atomique | Device for fixing a guide tube |
SE424929B (sv) * | 1980-12-19 | 1982-08-16 | Asea Atom Ab | Brenslepatron avsedd for en kokvattenreaktor |
US4452755A (en) * | 1982-01-29 | 1984-06-05 | The United States Of America As Represented By The United States Department Of Energy | Fuel rod retention device for a nuclear reactor |
-
1986
- 1986-10-31 US US06/925,766 patent/US4764340A/en not_active Expired - Fee Related
-
1987
- 1987-10-16 IT IT22302/87A patent/IT1222927B/it active
- 1987-10-29 SE SE8704225A patent/SE461246B/sv not_active IP Right Cessation
- 1987-10-30 ES ES8703113A patent/ES2010522A6/es not_active Expired
- 1987-10-30 JP JP62273638A patent/JPS63121787A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
SE8704225L (sv) | 1988-05-01 |
IT1222927B (it) | 1990-09-12 |
ES2010522A6 (es) | 1989-11-16 |
US4764340A (en) | 1988-08-16 |
SE8704225D0 (sv) | 1987-10-29 |
SE461246B (sv) | 1990-01-22 |
JPS63121787A (ja) | 1988-05-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19931027 |