JPH036596U - - Google Patents
Info
- Publication number
- JPH036596U JPH036596U JP1989065422U JP6542289U JPH036596U JP H036596 U JPH036596 U JP H036596U JP 1989065422 U JP1989065422 U JP 1989065422U JP 6542289 U JP6542289 U JP 6542289U JP H036596 U JPH036596 U JP H036596U
- Authority
- JP
- Japan
- Prior art keywords
- attached
- lattice
- spacer
- chevron
- plates
- 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
- 125000006850 spacer group Chemical class 0.000 claims description 5
- 239000000446 fuel Substances 0.000 claims description 4
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
- Fuel Cell (AREA)
Description
第１図はこの考案の一実施例の側面図。第２図
はその一部の斜視図。第３図は第２図のＸ−Ｘ線
に沿つた断面図。第４図イは他の実施例の側面図
。同図ロはクリツプ形ばねの変更例の斜視図。第
５図は燃料集合体を概略的に示す側面図。第６図
はランタン形ばねを用いてスペーサの一部の平面
図。第７図イはクリツプ形ばねを用いた従来スペ
ーサの平面図。同図ロは第７図イの三角線部分の
側断面図。
図中、１……外側板、２……格子板、４……格
子セル、５……クリツプ形ばね、５ａ……山形弾
性片、５ｂ……固定突部、５ｃ……接合上端部、
６……フロータブ、ｎ……燃料棒、Ｓ……スペー
サ。
FIG. 1 is a side view of one embodiment of this invention. FIG. 2 is a perspective view of a portion thereof. FIG. 3 is a sectional view taken along the line XX in FIG. 2. FIG. 4A is a side view of another embodiment. Figure B is a perspective view of a modified example of the clip-type spring. FIG. 5 is a side view schematically showing the fuel assembly. FIG. 6 is a plan view of a portion of a spacer using a lantern-shaped spring. FIG. 7A is a plan view of a conventional spacer using a clip-type spring. 7B is a side sectional view of the triangular line portion in FIG. 7A. In the figure, 1... outer plate, 2... lattice plate, 4... lattice cell, 5... clip-shaped spring, 5a... chevron-shaped elastic piece, 5b... fixing protrusion, 5c... joining upper end,
6...Float tab, n...fuel rod, S...spacer.
Claims (1)
定数の格子板２により多数の格子セル４に区分し
、各格子セル４を囲む四辺の中央部には、一側に
山形弾性片５ａを備え他側には外側板１に取付け
るものを除いて固定突部５ｂを設けたクリツプ形
ばね５をそれぞれ取付け、各格子セル４内におい
て向き合う山形弾性片５ａと固定突部５ｂにより
燃料棒などを保持しかつ外側板１には複数の内向
きフロータブ６を設けたスペーサにおいて、四方
の外側板１の所定位置に取付けられる上記クリツ
プ形ばね５の接合上端部５ｃをそれぞれ内向きに
傾けたことを特徴とする燃料集合体のスペーサ。 The inside of a square frame consisting of four outer plates 1 is divided into a large number of lattice cells 4 by a predetermined number of vertical and horizontal lattice plates 2, and in the center of the four sides surrounding each lattice cell 4, a chevron-shaped elastic piece is attached on one side. 5a and a fixing protrusion 5b is attached to the other side, except for the one attached to the outer plate 1, and the fuel rods are fixed by the chevron-shaped elastic piece 5a and the fixing protrusion 5b facing each other in each lattice cell 4. In this spacer, the outer plate 1 is provided with a plurality of inward flow tabs 6, and the joint upper ends 5c of the clip-shaped springs 5, which are attached to predetermined positions on the four outer plates 1, are each tilted inward. A spacer for a fuel assembly characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989065422U JPH036596U (en) | 1989-06-06 | 1989-06-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989065422U JPH036596U (en) | 1989-06-06 | 1989-06-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH036596U true JPH036596U (en) | 1991-01-22 |
Family
ID=31597237
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989065422U Pending JPH036596U (en) | 1989-06-06 | 1989-06-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH036596U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012127957A (en) * | 2010-12-15 | 2012-07-05 | Global Nuclear Fuel Americas Llc | Flow tripping device |
-
1989
- 1989-06-06 JP JP1989065422U patent/JPH036596U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012127957A (en) * | 2010-12-15 | 2012-07-05 | Global Nuclear Fuel Americas Llc | Flow tripping device |
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