JPS5857795U - nuclear fuel assembly - Google Patents
nuclear fuel assemblyInfo
- Publication number
- JPS5857795U JPS5857795U JP1981147781U JP14778181U JPS5857795U JP S5857795 U JPS5857795 U JP S5857795U JP 1981147781 U JP1981147781 U JP 1981147781U JP 14778181 U JP14778181 U JP 14778181U JP S5857795 U JPS5857795 U JP S5857795U
- Authority
- JP
- Japan
- Prior art keywords
- nuclear fuel
- fuel assembly
- rods
- polygonal
- tie plate
- 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
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
第１図は従来の核燃料集合体の部分−面した斜視図、第
２図は第１図の上部タイブレード３の拡大平面図、第３
図、第４図は第一２図の一合燃料棒７のそれぞれ異なっ
た要部の拡大正首図、第５図は第３図の要部平面図、第
ｒ、戸３ｐ□第４）中ｇ、この考案による核燃料集合体
の結合燃料棒！部のそれぞれ正面図、平面図、第８・図
、は単６図φ回り止め座金２６の張り出し舌部折り曲げ
前の平面図である。
２・・・燃料棒、・・３，２３・・・上部タイプレート
、４・・・下部タイ゛プレート、５・・・スペーサ、６
・・・燃料チャンネルＪ７ミ゛２７・・・結合燃料棒、
１７・・・六角ナツト、２２・・・四角軸、２４・・・
四角春、２６・・・回り止め座金、２８・・・上部端栓
、２９・・！ねじ部。FIG. 1 is a partial perspective view of a conventional nuclear fuel assembly, FIG. 2 is an enlarged plan view of the upper tie blade 3 of FIG. 1, and FIG.
Fig. 4 is an enlarged front view of the different main parts of the combined fuel rod 7 in Fig. 12, Fig. 5 is a plan view of the main parts of Fig. 3, No. r, door 3p □ No. 4) Medium g, combined fuel rods for nuclear fuel assemblies based on this idea! The front view, plan view, and FIG. 8 are respectively plan views of the AA-size φ anti-rotation washer 26 before the protruding tongue portion is bent. 2...Fuel rod...3,23...Upper tie plate, 4...Lower tie plate, 5...Spacer, 6
... Fuel channel J7mi27... Combined fuel rod,
17...Hexagonal nut, 22...Square shaft, 24...
Square spring, 26... anti-rotation washer, 28... upper end plug, 29...! Threaded part.
Claims (2)
ォータロッドとが、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パ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
きれ、前記多゛数本の燃料棒の゛うちの複数本が前記上
部タイプレートと下部タイプレートとを結合する結合燃
料棒をなし、外側を燃料チャンネノーにより被覆された
核燃料集合体において、前記結合燃料棒の上端部をなす
上部端栓が多角形軸部を有して前記上部タイプレートに
あけられた前記多角形軸部に適合する多角形穴を挿通し
、前記上部岬栓の先端部に形成されたねじ部にはめ込、
ま４れ々ナツトと、このナツトを回り止めするニー大凧
なし舌付回り止め座金とを備えたこ、とを特徴とする核
燃料集合体。(1) A large number of fuel rods in the shape of long round rods and one or more water rods are aligned and supported at both upper and lower ends by an upper tie plate and a lower tie plate, with the middle part in the longitudinal direction are aligned and supported vertically in parallel by a plurality of lattice-shaped spacers arranged at intervals in the length direction, and a plurality of the plurality of fuel rods are of the upper type. In a nuclear fuel assembly, the upper end plug forming the upper end of the combined fuel rod has a polygonal shaft portion, and the upper end plug forming the upper end of the combined fuel rod has a polygonal shaft portion. Insert a polygonal hole that fits the polygonal shaft part drilled in the upper tie plate and fit into a threaded part formed at the tip of the upper cape plug,
1. A nuclear fuel assembly characterized by comprising a four-way nut and a tongue-type rotation-preventing washer for preventing the nut from rotating.
る四角軸にして、上部タイブレー：“トが前記四角軸に
適合する正四角形穴を、備えていることを特徴とする実
用新案登録請求の範囲題１項記載の核燃料集合体。(2) A utility model characterized in that the polygonal shaft portion of the upper end plug is a square shaft having a substantially regular square cross section, and the upper tiebrae is provided with a regular square hole that fits the square shaft. A nuclear fuel assembly according to claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1981147781U JPS5857795U (en) | 1981-10-06 | 1981-10-06 | nuclear fuel assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1981147781U JPS5857795U (en) | 1981-10-06 | 1981-10-06 | nuclear fuel assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5857795U true JPS5857795U (en) | 1983-04-19 |
Family
ID=29940627
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1981147781U Pending JPS5857795U (en) | 1981-10-06 | 1981-10-06 | nuclear fuel assembly |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5857795U (en) |
-
1981
- 1981-10-06 JP JP1981147781U patent/JPS5857795U/en active Pending
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