ZA875879B - Neutron absorbing bar damping device - Google Patents

Neutron absorbing bar damping device

Info

Publication number
ZA875879B
ZA875879B ZA875879A ZA875879A ZA875879B ZA 875879 B ZA875879 B ZA 875879B ZA 875879 A ZA875879 A ZA 875879A ZA 875879 A ZA875879 A ZA 875879A ZA 875879 B ZA875879 B ZA 875879B
Authority
ZA
South Africa
Prior art keywords
damping device
neutron absorbing
absorbing bar
bar damping
neutron
Prior art date
Application number
ZA875879A
Other languages
English (en)
Inventor
Fernand Savary
Original Assignee
Framatome Sa
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Framatome Sa filed Critical Framatome Sa
Publication of ZA875879B publication Critical patent/ZA875879B/xx

Links

Classifications

    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21C—NUCLEAR REACTORS
    • G21C7/00—Control of nuclear reaction
    • G21C7/06—Control of nuclear reaction by application of neutron-absorbing material, i.e. material with absorption cross-section very much in excess of reflection cross-section
    • G21C7/08—Control of nuclear reaction by application of neutron-absorbing material, i.e. material with absorption cross-section very much in excess of reflection cross-section by displacement of solid control elements, e.g. control rods
    • G21C7/20—Disposition of shock-absorbing devices ; Braking arrangements
    • 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)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Plasma & Fusion (AREA)
  • General Engineering & Computer Science (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Fluid-Damping Devices (AREA)
  • Braking Arrangements (AREA)
ZA875879A 1986-08-13 1987-08-10 Neutron absorbing bar damping device ZA875879B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8611697A FR2602903B1 (fr) 1986-08-13 1986-08-13 Barre absorbante a dispositif d'amortissement integre

Publications (1)

Publication Number Publication Date
ZA875879B true ZA875879B (en) 1989-03-29

Family

ID=9338275

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA875879A ZA875879B (en) 1986-08-13 1987-08-10 Neutron absorbing bar damping device

Country Status (10)

Country Link
US (1) US4826648A (zh)
EP (1) EP0256934B1 (zh)
JP (1) JPS6347697A (zh)
KR (1) KR880003340A (zh)
CN (1) CN1009508B (zh)
CA (1) CA1270965A (zh)
DE (1) DE3768174D1 (zh)
ES (1) ES2020573B3 (zh)
FR (1) FR2602903B1 (zh)
ZA (1) ZA875879B (zh)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5276719A (en) * 1991-08-14 1994-01-04 Siemens Aktiengesellschaft Hydraulic control rod drive for a nuclear reactor
FR2742912B1 (fr) * 1995-12-26 1998-03-06 Framatome Sa Grappe de commande pour reacteur nucleaire, a crayons demontables
EP1248271B1 (en) * 2001-04-05 2008-04-23 Mitsubishi Heavy Industries, Ltd. Fuel assembly
FR2836753B1 (fr) * 2002-03-01 2004-07-16 Framatome Anp Procede de conception du ressort d'araignee d'une grappe de controle d'un assemblage de combustible nucleaire, systeme, programme d'ordinateur et produit correspondants
KR100844469B1 (ko) * 2006-12-28 2008-07-07 한국원자력연구원 제어봉 낙하 완충장치
US8107584B2 (en) * 2008-05-06 2012-01-31 Ge-Hitachi Nuclear Energy Americas Llc Apparatuses and methods for damping nuclear reactor components
US10102933B2 (en) * 2012-04-13 2018-10-16 Bwxt Mpower, Inc. Control rod assembly impact limiter
CN106098110B (zh) * 2016-06-16 2018-04-24 中国核动力研究设计院 反应堆控制棒驱动线缓冲结构
US10446277B2 (en) * 2017-01-12 2019-10-15 Westinghouse Electric Company Llc Fuel assembly with an external dashpot disposed around a guide tube portion
CN108492891B (zh) * 2018-04-26 2019-12-24 中国核动力研究设计院 一种控制棒缓冲结构
CN112670000B (zh) * 2020-12-11 2024-03-22 中广核研究院有限公司 柔性控制棒组件及其星形架
CN112938803B (zh) * 2021-02-09 2022-11-22 东风汽车股份有限公司 一种机械过载保护装置
CN114155981B (zh) * 2021-10-27 2024-08-16 中国船舶重工集团公司第七二五研究所 一种空间堆中子吸收元件延迟释放装置

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1080831A (en) * 1964-01-17 1967-08-23 Soc Anglo Belge Vulcain Sa Nuclear reactor control mechanism
DE1232281B (de) * 1964-04-29 1967-01-12 Siemens Ag Hydraulischer Stossdaempfer fuer Regelstaebe von Kernreaktoren
DE1961848A1 (de) * 1969-12-10 1971-08-12 Siemens Ag Kernreaktorsteuerstabantrieb
CA1003125A (en) * 1973-02-20 1977-01-04 Frank Bevilacqua Shock buffer for nuclear control element assembly
US4057129A (en) * 1976-06-28 1977-11-08 Hennells Ransom J Self adjusting energy absorber employing conical control sleeve
US4073684A (en) * 1976-09-27 1978-02-14 Combustion Engineering, Inc. Releasable extension shaft coupling
EP0159509B1 (en) * 1984-03-30 1989-01-04 Westinghouse Electric Corporation An improved control rod spider assembly for a nuclear reactor fuel assembly
US4711756A (en) * 1985-08-08 1987-12-08 Westinghouse Electric Corp. Control rod displacement

Also Published As

Publication number Publication date
CN1009508B (zh) 1990-09-05
FR2602903B1 (fr) 1988-12-02
DE3768174D1 (de) 1991-04-04
JPS6347697A (ja) 1988-02-29
FR2602903A1 (fr) 1988-02-19
EP0256934A1 (fr) 1988-02-24
KR880003340A (ko) 1988-05-16
CN87105533A (zh) 1988-02-24
EP0256934B1 (fr) 1991-02-27
ES2020573B3 (es) 1991-08-16
CA1270965A (en) 1990-06-26
US4826648A (en) 1989-05-02

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