JPS60156489U - nuclear fuel elements - Google Patents

nuclear fuel elements

Info

Publication number
JPS60156489U
JPS60156489U JP1984042857U JP4285784U JPS60156489U JP S60156489 U JPS60156489 U JP S60156489U JP 1984042857 U JP1984042857 U JP 1984042857U JP 4285784 U JP4285784 U JP 4285784U JP S60156489 U JPS60156489 U JP S60156489U
Authority
JP
Japan
Prior art keywords
presser plate
coil springs
inner ends
nuclear fuel
springs
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.)
Granted
Application number
JP1984042857U
Other languages
Japanese (ja)
Other versions
JPS6336313Y2 (en
Inventor
守 関口
Original Assignee
原子燃料工業株式会社
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 原子燃料工業株式会社 filed Critical 原子燃料工業株式会社
Priority to JP1984042857U priority Critical patent/JPS60156489U/en
Publication of JPS60156489U publication Critical patent/JPS60156489U/en
Application granted granted Critical
Publication of JPS6336313Y2 publication Critical patent/JPS6336313Y2/ja
Granted 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)
  • Springs (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 the drawing]

第１図イは従来の燃料要素の断面図。同図口はそのコイ
ルばねと押え板の取付は状態を示す断面図。第２図はこ
の考案に係る燃料要素の断面図。 第３図はそのコイルばねと押え板の定着状態を示す断面
図。 図中、１・・・被覆管、２・・・燃料ペレット、３ａ。 ３ｂ・・・端栓、４ａ、　　４ｂ・・・コイルばね、６
・・・押え板、６ａ・・・突出部、７ａｔ７ｂ・・・密
巻き部、８・・・らせんみぞ。FIG. 1A is a sectional view of a conventional fuel element. The opening in the same figure is a sectional view showing how the coil spring and presser plate are installed. FIG. 2 is a sectional view of the fuel element according to this invention. FIG. 3 is a sectional view showing the fixed state of the coil spring and presser plate. In the figure, 1... cladding tube, 2... fuel pellets, 3a. 3b... End plug, 4a, 4b... Coil spring, 6
... Pressing plate, 6a...Protrusion part, 7at7b... Closely wound part, 8... Spiral groove.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] ゛　　　被複管１の内部に、上下の部分にコイルばね４
ａ、４ｂを配設して多数の燃料ペレット２を積層充填し
、上下端には端栓３ａ、３ｂを取付けて密封し、上下の
コイルばね４，４ｂの内端には孔明きぼたん状の押え板
６をそれぞれ取付けて燃料ペレット２を抑するようにし
たしたものにおいて、上下の一コイルばね４ａ、４ｂの
内端には複数巻きの密巻き部７ａ、７ｂをそれぞれ形成
し、押え板６中夫の外径がコイルばねの内径にほぼ等し
い突出部６ａの外周面には複数条のらせんみぞ８を設け
、該らせんみぞ８に上記密巻き部７ａまたは７ｂを螺合
して上下のコイルばね４ａ、４ｂの内端に押え板６を結
合させてなる核燃料要素。゛ Coil springs 4 are installed in the upper and lower parts inside the covered pipe 1.
a, 4b are arranged and filled with a large number of fuel pellets 2 in a layered manner, end plugs 3a, 3b are attached to the upper and lower ends for sealing, and perforated button-shaped plugs are installed at the inner ends of the upper and lower coil springs 4, 4b. In the device in which a presser plate 6 is attached to hold down the fuel pellets 2, a plurality of tightly wound portions 7a, 7b are formed at the inner ends of the upper and lower one-coil springs 4a, 4b, respectively, and the presser plate 6 A plurality of spiral grooves 8 are provided on the outer peripheral surface of the protrusion 6a, the outer diameter of which is approximately equal to the inner diameter of the coil spring, and the densely wound portions 7a or 7b are screwed into the spiral grooves 8 to form the upper and lower coils. A nuclear fuel element in which a presser plate 6 is coupled to the inner ends of springs 4a and 4b.
JP1984042857U 1984-03-27 1984-03-27 nuclear fuel elements Granted JPS60156489U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1984042857U JPS60156489U (en) 1984-03-27 1984-03-27 nuclear fuel elements

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1984042857U JPS60156489U (en) 1984-03-27 1984-03-27 nuclear fuel elements

Publications (2)

Publication Number Publication Date
JPS60156489U true JPS60156489U (en) 1985-10-18
JPS6336313Y2 JPS6336313Y2 (en) 1988-09-27

Family

ID=30553988

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1984042857U Granted JPS60156489U (en) 1984-03-27 1984-03-27 nuclear fuel elements

Country Status (1)

Country Link
JP (1) JPS60156489U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012094152A1 (en) 2011-01-06 2012-07-12 Westinghouse Electric Company Llc Nuclear fuel rod plenum spring assembly

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012094152A1 (en) 2011-01-06 2012-07-12 Westinghouse Electric Company Llc Nuclear fuel rod plenum spring assembly
JP2014506330A (en) * 2011-01-06 2014-03-13 ウエスチングハウス・エレクトリック・カンパニー・エルエルシー Nuclear fuel rod plenum spring assembly
EP2661751A4 (en) * 2011-01-06 2017-10-04 Westinghouse Electric Company LLC Nuclear fuel rod plenum spring assembly

Also Published As

Publication number Publication date
JPS6336313Y2 (en) 1988-09-27

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