DE3772362D1 - Abstandshalter und sein herstellungsverfahren. - Google Patents
Abstandshalter und sein herstellungsverfahren.Info
- Publication number
- DE3772362D1 DE3772362D1 DE8787117113T DE3772362T DE3772362D1 DE 3772362 D1 DE3772362 D1 DE 3772362D1 DE 8787117113 T DE8787117113 T DE 8787117113T DE 3772362 T DE3772362 T DE 3772362T DE 3772362 D1 DE3772362 D1 DE 3772362D1
- Authority
- DE
- Germany
- Prior art keywords
- spacers
- manufacturing
- 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 - Fee Related
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
- G21C3/02—Fuel elements
- G21C3/04—Constructional details
- G21C3/16—Details of the construction within the casing
-
- 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
-
- 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
- Y10T29/00—Metal working
- Y10T29/53—Means to assemble or disassemble
- Y10T29/531—Nuclear device
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Welding Or Cutting Using Electron Beams (AREA)
- Structure Of Emergency Protection For Nuclear Reactors (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
- Fuel-Injection Apparatus (AREA)
- Seasonings (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/936,448 US4756878A (en) | 1986-12-01 | 1986-12-01 | Grid spacer and method of making same |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3772362D1 true DE3772362D1 (de) | 1991-09-26 |
Family
ID=25468650
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8787117113T Expired - Fee Related DE3772362D1 (de) | 1986-12-01 | 1987-11-19 | Abstandshalter und sein herstellungsverfahren. |
Country Status (6)
Country | Link |
---|---|
US (1) | US4756878A (de) |
EP (1) | EP0273183B1 (de) |
JP (1) | JP2547186B2 (de) |
KR (1) | KR960010701B1 (de) |
DE (1) | DE3772362D1 (de) |
ES (1) | ES2026171T3 (de) |
Families Citing this family (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4849161A (en) * | 1987-02-19 | 1989-07-18 | Advanced Nuclear Fuels Corp. | Debris-resistant fuel assembly |
US4923669A (en) * | 1989-02-21 | 1990-05-08 | Westinghouse Electric Corp. | Nuclear fuel rod grid spring and dimple structures having chamfered edges for reduced pressure drop |
US5024426A (en) * | 1989-03-17 | 1991-06-18 | Advanced Nuclear Fuels Corporation | Bimetallic spring member for radiation environment |
US5071617A (en) * | 1989-12-11 | 1991-12-10 | Combustion Engineering, Inc. | Reduced flow resistance cast lower end fitting |
DE4020700A1 (de) * | 1990-06-29 | 1992-01-09 | Kern & Liebers | Verfahren und vorrichtung zur kantenverrundung von federn |
US5278883A (en) * | 1992-03-30 | 1994-01-11 | Siemens Power Corporation | Low pressure drop spacer for nuclear fuel assemblies |
US5477023A (en) * | 1993-04-23 | 1995-12-19 | Westinghouse Electric Corporation | Laser engraving system and method for engraving an image on a workpiece |
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 |
US5625657A (en) * | 1995-03-31 | 1997-04-29 | Siemens Power Corporation | Method of repairing a nuclear fuel rod assembly with damaged fuel rod and a damaged spacer |
US5675621A (en) | 1995-08-17 | 1997-10-07 | General Electric Company | Reduced height flat spring spacer for nuclear fuel rods |
FR2766004B1 (fr) * | 1997-07-11 | 1999-12-03 | Framatome Sa | Plaquettes de grille pour assemblage combustible nucleaire et grille comportant de telles plaquettes |
FR2766003B1 (fr) * | 1997-07-11 | 1999-12-03 | Framatome Sa | Grille pour assemblage combustible nucleaire et plaquette pour une telle grille |
JPH11118971A (ja) * | 1997-10-09 | 1999-04-30 | Mitsubishi Heavy Ind Ltd | 原子炉燃料集合体のグリッド組立体及びその製造方法 |
KR100265027B1 (ko) * | 1997-12-12 | 2000-09-01 | 장인순 | 원자로의핵연료집합체이중판노즐형냉각재혼합지지격자 |
SE516128C2 (sv) * | 1999-07-07 | 2001-11-19 | Westinghouse Atom Ab | Spridare och bränslepatron för en nukleär anläggning |
KR100330358B1 (ko) * | 1999-07-29 | 2002-04-01 | 장인순 | 냉각수 혼합을 위한 딤플형 베인과 다중스프링이 부착된 지지격자체 |
US6519309B1 (en) | 2000-06-29 | 2003-02-11 | Framatone Anp Inc. | Pressurized water reactor fuel assembly spacer grid |
EP1354323B1 (de) * | 2001-01-26 | 2004-12-22 | Framatome ANP GmbH | Abstandhalter mit mitteln zur vermeidung von reibungsschäden an brennstäben und entsprechendes kernreaktor-brennelement |
KR100415149B1 (ko) | 2001-03-21 | 2004-01-14 | 한국전력공사 | 핵연료 집합체의 이중판 냉각재 혼합 지지격자체 |
US20050003873A1 (en) * | 2003-07-01 | 2005-01-06 | Netro Corporation | Directional indicator for antennas |
US8374308B2 (en) * | 2005-01-11 | 2013-02-12 | Westinghouse Electric Company Llc | Helically fluted tubular fuel rod support |
US20100322371A1 (en) * | 2005-01-11 | 2010-12-23 | Westinghouse Electric Company Llc | Optimized flower tubes and optimized advanced grid configurations |
US9053827B2 (en) * | 2009-03-27 | 2015-06-09 | Westinghouse Electric Company Llc | Nuclear fuel assembly with pivot dimpled grids |
US8358733B2 (en) * | 2009-08-10 | 2013-01-22 | Westinghouse Electric Company Llc | Helically fluted tubular fuel rod support |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1075522A (en) * | 1963-02-22 | 1967-07-12 | Soc Anglo Belge Vulcain Sa | Nuclear fuel assembly |
US3338791A (en) * | 1965-06-07 | 1967-08-29 | Gen Electric | Reactor device |
GB1132092A (en) * | 1965-09-09 | 1968-10-30 | Atomic Energy Authority Uk | Heat exchange elements |
US4077843A (en) * | 1976-05-21 | 1978-03-07 | Exxon Nuclear Company, Inc. | Nuclear reactor spring strip grid spacer |
US4081324A (en) * | 1976-06-17 | 1978-03-28 | Exxon Nuclear Company Inc. | Spacer capture rod to spacer grid attachment device |
US4492844A (en) * | 1982-09-01 | 1985-01-08 | Westinghouse Electric Corp. | Welding plates for a fuel rod grid |
US4541055A (en) * | 1982-09-01 | 1985-09-10 | Westinghouse Electric Corp. | Laser machining system |
JPS6057035A (ja) * | 1983-09-08 | 1985-04-02 | Takara Co Ltd | 動力伝達装置 |
JPS60222792A (ja) * | 1984-04-20 | 1985-11-07 | 株式会社日立製作所 | 原子炉用燃料集合体 |
US4726926A (en) | 1986-03-12 | 1988-02-23 | Advanced Nuclear Fuels Corporation | Mixing grid |
-
1986
- 1986-12-01 US US06/936,448 patent/US4756878A/en not_active Expired - Lifetime
-
1987
- 1987-10-28 KR KR1019870011929A patent/KR960010701B1/ko not_active IP Right Cessation
- 1987-11-19 EP EP87117113A patent/EP0273183B1/de not_active Expired - Lifetime
- 1987-11-19 ES ES198787117113T patent/ES2026171T3/es not_active Expired - Lifetime
- 1987-11-19 DE DE8787117113T patent/DE3772362D1/de not_active Expired - Fee Related
- 1987-11-27 JP JP62301391A patent/JP2547186B2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
ES2026171T3 (es) | 1992-04-16 |
JP2547186B2 (ja) | 1996-10-23 |
KR880008344A (ko) | 1988-08-30 |
US4756878A (en) | 1988-07-12 |
KR960010701B1 (ko) | 1996-08-07 |
EP0273183A3 (en) | 1988-07-20 |
JPS63144292A (ja) | 1988-06-16 |
EP0273183B1 (de) | 1991-08-21 |
EP0273183A2 (de) | 1988-07-06 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE3772362D1 (de) | Abstandshalter und sein herstellungsverfahren. | |
DE3678816D1 (de) | Anzeigevorrichtung und herstellungsverfahren. | |
DE3775430D1 (de) | Mehrfachverglasung, sowie herstellungsverfahren und vorrichtung hierfuer. | |
DE3786031D1 (de) | Duennschicht-halbleiterbauelement und sein herstellungsverfahren. | |
DE3674507D1 (de) | Drosselchip und sein herstellungsverfahren. | |
DE3772721D1 (de) | Profilstueck und herstellungsverfahren. | |
KR890016266A (ko) | 전주 및 그 제조방법과 전주조립체 | |
KR860004835A (ko) | 2--1,3-시클로헥산디온 및 그 제조방법 | |
DE3788527D1 (de) | Bipolarer Transistor und sein Herstellungsverfahren. | |
DE69012053D1 (de) | Dichtung und Dichtungsaufbau. | |
KR890700300A (ko) | 제어유닛 및 그 제조방법 | |
KR860005526A (ko) | 관통 캐패시터 장치 및 그 제조방법 | |
KR880701639A (ko) | 화장판 및 그의 제법 | |
DE69205022D1 (de) | Organopentasiloxan und sein Herstellungsverfahren. | |
DK185187A (da) | Lokkemad til snegle, dets fremstilling og anvendelse | |
DE3785322D1 (de) | Mehrschichtstruktur und herstellungsverfahren. | |
DE3575170D1 (de) | Wollgewebe und herstellungsverfahren. | |
DE69001363D1 (de) | Einbaufertige verglasung und dessen herstellungsverfahren. | |
KR870700660A (ko) | 수용성 폴리코에스테르, 그의 제조방법 및 용도 | |
NO872045L (no) | Hydraulisk fraktureringsprosess og -blandinger. | |
DK525687A (da) | Enzymholdigt praeparat, dets fremstilling og anvendelse | |
DK296687A (da) | N-1h-tetrazol-5-yl-2-thiophen-carboxamider, n-1h-tetrazol-5-yl-2-pyrrol-carboxamider og n-1h-tetrazol-5-yl-2-furan-carboxamider | |
DE3762815D1 (de) | Schlitten- und fuehrungseinheit und fertigungsverfahren dazu. | |
DE3687576D1 (de) | Bauelement und herstellungsverfahren. | |
DE3853313D1 (de) | Integrierter Transistor und sein Herstellungsverfahren. |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |