KR100775575B1 - 이중 누름 스프링을 사용한 핵연료집합체용 상단고정체 - Google Patents
이중 누름 스프링을 사용한 핵연료집합체용 상단고정체 Download PDFInfo
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- KR100775575B1 KR100775575B1 KR1020060052542A KR20060052542A KR100775575B1 KR 100775575 B1 KR100775575 B1 KR 100775575B1 KR 1020060052542 A KR1020060052542 A KR 1020060052542A KR 20060052542 A KR20060052542 A KR 20060052542A KR 100775575 B1 KR100775575 B1 KR 100775575B1
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- South Korea
- Prior art keywords
- spring
- fuel assembly
- nuclear fuel
- assembly
- plate
- Prior art date
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- 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
- G21C3/33—Supporting or hanging of elements in the bundle; Means forming part of the bundle for inserting it into, or removing it from, the core; Means for coupling adjacent bundles
- G21C3/331—Comprising hold-down means, e.g. springs
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- 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
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- 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
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S376/00—Induced nuclear reactions: processes, systems, and elements
- Y10S376/90—Particular material or material shapes for fission reactors
- Y10S376/901—Fuel
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Springs (AREA)
Abstract
Description
Claims (3)
- 핵연료집합체에 탄성을 주는 스프링으로 된 탄성체부(20)와누름판(11)과 유로판(13) 사이에 외곽안내기둥(12)이 수직으로 연결되고 상기 유로판(13)에 수직하게 중앙안내기둥(14)이 누름판(11) 방향으로 중앙안내기둥(14)과 나란하게 돌출되어 있는 지지부(10)로 이루어지는 핵연료집합체용 상단고정체에 있어서,상기 탄성체부(20)는 탄성계수가 서로 다른 제 1 스프링(21)과 제 2 스프링(22)이 외곽안내기둥에 관통되어 직렬로 연결되어 있는 것을 특징으로 하는 이중 누름 스프링을 사용한 핵연료집합체용 상단고정체.
- 제 1항에 있어서, 상기 탄성체부(20)의 제 1 스프링(21)과 제 2 스프링(22) 사이에 플레이트(23)가 설치된 것을 특징으로 하는 이중 누름 스프링을 사용한 핵연료집합체용 상단고정체.
- 제 1항 또는 제 2항에 있어서, 상기 제 1 스프링(21)과 제 2 스프링(22)의 회전방향이 서로 반대방향인 것을 특징으로 하는 이중 누름 스프링을 사용한 핵연료집합체용 상단고정체.
Priority Applications (1)
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KR1020060052542A KR100775575B1 (ko) | 2006-06-12 | 2006-06-12 | 이중 누름 스프링을 사용한 핵연료집합체용 상단고정체 |
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KR1020060052542A KR100775575B1 (ko) | 2006-06-12 | 2006-06-12 | 이중 누름 스프링을 사용한 핵연료집합체용 상단고정체 |
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KR100775575B1 true KR100775575B1 (ko) | 2007-11-13 |
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KR1020060052542A KR100775575B1 (ko) | 2006-06-12 | 2006-06-12 | 이중 누름 스프링을 사용한 핵연료집합체용 상단고정체 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100892638B1 (ko) | 2007-08-27 | 2009-04-08 | 한전원자력연료 주식회사 | 온-오프 작동형 누름스프링을 사용한 핵연료집합체용상단고정체 |
KR100982301B1 (ko) | 2008-12-26 | 2010-09-15 | 한전원자력연료 주식회사 | 핵연료 집합체의 상단고정체 어셈블리 |
KR101366679B1 (ko) | 2012-06-15 | 2014-02-25 | 한전원자력연료 주식회사 | 압력강하를 개선하기 위한 핵연료집합체용 상단고정체 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5317612A (en) | 1992-09-25 | 1994-05-31 | Combustion Engineering, Inc. | Use of shape memory alloys in fuel pellet holddown springs |
JPH0755971A (ja) * | 1993-05-17 | 1995-03-03 | General Electric Co <Ge> | プレナムスプリングおよびゲッタアセンブリ |
US5671261A (en) | 1996-03-19 | 1997-09-23 | General Electric Company | Method and apparatus for attaching a lifting bar to a load bearing water rod in a nuclear fuel assembly |
KR20000061663A (ko) * | 1999-03-30 | 2000-10-25 | 임창생 | 핵연료집합체로부터 해체조립이 용이한 일체형 상단고정체 |
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2006
- 2006-06-12 KR KR1020060052542A patent/KR100775575B1/ko active IP Right Grant
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5317612A (en) | 1992-09-25 | 1994-05-31 | Combustion Engineering, Inc. | Use of shape memory alloys in fuel pellet holddown springs |
JPH0755971A (ja) * | 1993-05-17 | 1995-03-03 | General Electric Co <Ge> | プレナムスプリングおよびゲッタアセンブリ |
US5671261A (en) | 1996-03-19 | 1997-09-23 | General Electric Company | Method and apparatus for attaching a lifting bar to a load bearing water rod in a nuclear fuel assembly |
KR20000061663A (ko) * | 1999-03-30 | 2000-10-25 | 임창생 | 핵연료집합체로부터 해체조립이 용이한 일체형 상단고정체 |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100892638B1 (ko) | 2007-08-27 | 2009-04-08 | 한전원자력연료 주식회사 | 온-오프 작동형 누름스프링을 사용한 핵연료집합체용상단고정체 |
KR100982301B1 (ko) | 2008-12-26 | 2010-09-15 | 한전원자력연료 주식회사 | 핵연료 집합체의 상단고정체 어셈블리 |
KR101366679B1 (ko) | 2012-06-15 | 2014-02-25 | 한전원자력연료 주식회사 | 압력강하를 개선하기 위한 핵연료집합체용 상단고정체 |
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