JPS5857793U - nuclear fuel assembly - Google Patents

nuclear fuel assembly

Info

Publication number
JPS5857793U
JPS5857793U JP1981147779U JP14777981U JPS5857793U JP S5857793 U JPS5857793 U JP S5857793U JP 1981147779 U JP1981147779 U JP 1981147779U JP 14777981 U JP14777981 U JP 14777981U JP S5857793 U JPS5857793 U JP S5857793U
Authority
JP
Japan
Prior art keywords
fuel assembly
nuclear fuel
tie plate
rods
aligned
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.)
Pending
Application number
JP1981147779U
Other languages
Japanese (ja)
Inventor
藤崎　渉
越後谷　寛法
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toshiba Corp
Original Assignee
Toshiba Corp
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 Toshiba Corp filed Critical Toshiba Corp
Priority to JP1981147779U priority Critical patent/JPS5857793U/en
Publication of JPS5857793U publication Critical patent/JPS5857793U/en
Pending legal-status Critical Current

Links

Classifications

    • 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

  • Monitoring And Testing Of Nuclear Reactors (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図は従来、の核燃料集合体の縦断面図、第２、図は
第１図のつす一タロツド３の斜視図、第３図は第１図９
ウオニタロツド３、スペーサ６の部分拡大斜視図、第４
図はこの考案による核燃料集合体の要部拡大図である。 ２・・・燃料棒□、３・・・ウォータロッド、４・・・
上部タイプレート、５．２１・・・下部タイプレート、
６・・・スペーサ、７・・・燃料チャンネル、９・・・
下部端栓、１５・・・四角軸部、２０・・・四角穴、２
２・・・軸受部材。Fig. 1 is a vertical cross-sectional view of a conventional nuclear fuel assembly, Fig. 2 is a perspective view of the Tsusuichi Tarod 3 shown in Fig.
Partially enlarged perspective view of WONITAROD 3 and spacer 6, 4th
The figure is an enlarged view of the main parts of a nuclear fuel assembly based on this invention. 2... Fuel rod □, 3... Water rod, 4...
Upper tie plate, 5.21...lower tie plate,
6... Spacer, 7... Fuel channel, 9...
Lower end plug, 15... Square shaft portion, 20... Square hole, 2
2...Bearing member.

Claims (1)

【実用新案登録請求の範囲】 ゛（１）長丸棒状の多数本の燃料棒と１本又は複数本の
ウォータロッド、とか、それぞれ、上下両端を上部タイ
プレート下部タイプレートにより直立平行に整列支承さ
れ、長さ方向中間部をその長さ方向に互いに間隔を置い
て配設された複数個の格子状スペーサにより直立平行に
整列支承され、外側を燃料チャンネルにより被覆された
核燃料集合体において、前記ウォータロッドの下端をな
す下部端栓の先端四角軸部とこの四角軸部がはまり込む
前記下部タイプレートの四角穴間に熱変形の大なる軸受
部材をはあ込み介在させたことを特徴とする核燃料集合
体。 （２）軸受部材が線膨張係数の異なる金属を内外に張り
合わせたバイメタルであることを特徴とする実用新案登
録請求の範囲第１項記載の核燃料集合体。゛[Claims for Utility Model Registration] ゛(1) A large number of fuel rods in the form of long round rods and one or more water rods, whose upper and lower ends are aligned and supported vertically and parallelly by an upper tie plate and a lower tie plate. In the nuclear fuel assembly, the longitudinal intermediate portion is aligned and supported upright and in parallel by a plurality of lattice spacers arranged at intervals in the longitudinal direction, and the outer side is covered with a fuel channel. A bearing member that is highly susceptible to thermal deformation is fitted and interposed between the square shaft at the tip of the lower end plug forming the lower end of the water rod and the square hole of the lower tie plate into which the square shaft fits. Nuclear fuel assembly. (2) The nuclear fuel assembly according to claim 1, wherein the bearing member is a bimetal made by laminating metals having different coefficients of linear expansion on the inside and outside.゛
JP1981147779U 1981-10-06 1981-10-06 nuclear fuel assembly Pending JPS5857793U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1981147779U JPS5857793U (en) 1981-10-06 1981-10-06 nuclear fuel assembly

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1981147779U JPS5857793U (en) 1981-10-06 1981-10-06 nuclear fuel assembly

Publications (1)

Publication Number Publication Date
JPS5857793U true JPS5857793U (en) 1983-04-19

Family

ID=29940625

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1981147779U Pending JPS5857793U (en) 1981-10-06 1981-10-06 nuclear fuel assembly

Country Status (1)

Country Link
JP (1) JPS5857793U (en)

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