JPH0252192U - - Google Patents

Info

Publication number
JPH0252192U
JPH0252192U JP1988131160U JP13116088U JPH0252192U JP H0252192 U JPH0252192 U JP H0252192U JP 1988131160 U JP1988131160 U JP 1988131160U JP 13116088 U JP13116088 U JP 13116088U JP H0252192 U JPH0252192 U JP H0252192U
Authority
JP
Japan
Prior art keywords
fuel rod
end plug
clip
pellets
nuclear reactor
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
JP1988131160U
Other languages
Japanese (ja)
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 filed Critical
Priority to JP1988131160U priority Critical patent/JPH0252192U/ja
Publication of JPH0252192U publication Critical patent/JPH0252192U/ja
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)

Description

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

第１図は本考案に係る燃料棒の１例を示す要部
断面図、第２図及び第３図は従来のプレナム部構
造例を示す各部分断面図、第４図は燃焼度と燃料
棒内圧の関係を示す図表である。 Ａ……燃料棒、１……被覆管、２……ペレツト
、３……端栓、４……プレナム部、５……コイル
状スプリング、６……クリツプ。 Fig. 1 is a cross-sectional view of main parts showing an example of a fuel rod according to the present invention, Figs. 2 and 3 are partial cross-sectional views showing examples of conventional plenum structure, and Fig. 4 shows burnup and fuel rods. It is a chart showing the relationship between internal pressures. A... fuel rod, 1... cladding tube, 2... pellet, 3... end plug, 4... plenum section, 5... coiled spring, 6... clip.

Claims (1)

【実用新案登録請求の範囲】 １ 被覆管内に多数のペレツトを充填し、端栓で
封止してなる燃料棒の上記充填したペレツトの端
面と端栓下面との間のプレナム部にコイル状スプ
リングを介してクリツプを挿入し、かつ、クリツ
プと端栓下面との間に所要の空間を保有せしめた
ことを特徴とする原子炉用燃料棒。 ２ 請求項１記載の燃料棒おいて、クリツプはあ
る一定の大きさ以上の力が働いたときのみ移動す
るような管内面に対する固定ばね力をもつように
外面を粗面とした環状部材であることを特徴とす
る原子炉用燃料棒。[Claims for Utility Model Registration] 1. A fuel rod in which a cladding tube is filled with a large number of pellets and sealed with an end plug, and a coiled spring is installed in the plenum between the end surface of the filled pellets and the lower surface of the end plug. A fuel rod for a nuclear reactor, characterized in that a clip is inserted through the end plug, and a required space is maintained between the clip and the lower surface of the end plug. 2. In the fuel rod according to claim 1, the clip is an annular member with a roughened outer surface so as to have a fixed spring force against the inner surface of the tube such that it moves only when a force of a certain magnitude or more is applied. A nuclear reactor fuel rod characterized by:
JP1988131160U 1988-10-05 1988-10-05 Pending JPH0252192U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1988131160U JPH0252192U (en) 1988-10-05 1988-10-05

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988131160U JPH0252192U (en) 1988-10-05 1988-10-05

Publications (1)

Publication Number Publication Date
JPH0252192U true JPH0252192U (en) 1990-04-13

Family

ID=31386969

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1988131160U Pending JPH0252192U (en) 1988-10-05 1988-10-05

Country Status (1)

Country Link
JP (1) JPH0252192U (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5445493A (en) * 1977-09-16 1979-04-10 Toshiba Corp Nuclear fuel element
JPS5511516U (en) * 1978-07-07 1980-01-24

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5445493A (en) * 1977-09-16 1979-04-10 Toshiba Corp Nuclear fuel element
JPS5511516U (en) * 1978-07-07 1980-01-24

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