JPS6117693U - nuclear fuel rod - Google Patents

nuclear fuel rod

Info

Publication number
JPS6117693U
JPS6117693U JP1984100666U JP10066684U JPS6117693U JP S6117693 U JPS6117693 U JP S6117693U JP 1984100666 U JP1984100666 U JP 1984100666U JP 10066684 U JP10066684 U JP 10066684U JP S6117693 U JPS6117693 U JP S6117693U
Authority
JP
Japan
Prior art keywords
cladding tube
nuclear fuel
fuel rod
pellet
moving
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
JP1984100666U
Other languages
Japanese (ja)
Other versions
JPS64636Y2 (en
Inventor
浩一 梶原
Original Assignee
株式会社東芝
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 株式会社東芝 filed Critical 株式会社東芝
Priority to JP1984100666U priority Critical patent/JPS6117693U/en
Publication of JPS6117693U publication Critical patent/JPS6117693U/en
Application granted granted Critical
Publication of JPS64636Y2 publication Critical patent/JPS64636Y2/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)

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図は本考案の核燃料棒の一実施例で、固定キャップ
は輸送中の形状を示す縦断面図、第２図は従来の核燃料
棒の概略構成図、第３図は本考案の核燃料棒の他の実施
例を示し、固定キャップは原子炉運転中の形状を示す縦
断面図、第４図は本考案の固定キャップの斜視図、第５
図は第４図の固定キャップを押し広げた場合の斜視図で
ある。 １・・・上部端栓、２・・・プレナムスプリング、３・
・゜ペレット、４・・・被覆管、５・・・下部端栓、６
・・・プレナム部、７・・・固定キャップ。Figure 1 shows an embodiment of the nuclear fuel rod of the present invention, with the fixing cap being a vertical cross-sectional view showing the shape during transportation, Figure 2 is a schematic diagram of a conventional nuclear fuel rod, and Figure 3 is the nuclear fuel rod of the present invention. FIG. 4 is a perspective view of the fixing cap of the present invention, and FIG.
The figure is a perspective view when the fixing cap of FIG. 4 is pushed out. 1... Upper end plug, 2... Plenum spring, 3.
・゜Pellet, 4...Claying tube, 5...Lower end plug, 6
... Plenum part, 7... Fixed cap.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 被覆管と、該被覆管に積層状に充填されたペレットと、
前記被覆管の上部及び下部を密封する上部および下部端
栓と、１前記被覆管内のペレットと端栓間に挿入され、
常温時は拡径してペレットの移動を阻止し、昇温時は縮
径してペレットの被覆管軸の長手力向の移動を拘束しな
い作用の形状記憶合金製の固定キャップとを具備してな
る核燃料棒。A cladding tube, pellets filled in the cladding tube in a layered manner,
upper and lower end plugs sealing the upper and lower parts of the cladding tube; 1 inserted between the pellet in the cladding tube and the end plug;
It is equipped with a fixed cap made of a shape memory alloy that expands in diameter to prevent the pellet from moving at room temperature, and contracts in diameter to prevent the pellet from moving in the longitudinal direction of the cladding axis when the temperature rises. A nuclear fuel rod.
JP1984100666U 1984-07-05 1984-07-05 nuclear fuel rod Granted JPS6117693U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1984100666U JPS6117693U (en) 1984-07-05 1984-07-05 nuclear fuel rod

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1984100666U JPS6117693U (en) 1984-07-05 1984-07-05 nuclear fuel rod

Publications (2)

Publication Number Publication Date
JPS6117693U true JPS6117693U (en) 1986-02-01
JPS64636Y2 JPS64636Y2 (en) 1989-01-09

Family

ID=30660116

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1984100666U Granted JPS6117693U (en) 1984-07-05 1984-07-05 nuclear fuel rod

Country Status (1)

Country Link
JP (1) JPS6117693U (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58184576A (en) * 1982-04-21 1983-10-28 株式会社東芝 Nuclear fuel element

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58184576A (en) * 1982-04-21 1983-10-28 株式会社東芝 Nuclear fuel element

Also Published As

Publication number Publication date
JPS64636Y2 (en) 1989-01-09

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