JPS62170595U - - Google Patents
Info
- Publication number
- JPS62170595U JPS62170595U JP1986059870U JP5987086U JPS62170595U JP S62170595 U JPS62170595 U JP S62170595U JP 1986059870 U JP1986059870 U JP 1986059870U JP 5987086 U JP5987086 U JP 5987086U JP S62170595 U JPS62170595 U JP S62170595U
- Authority
- JP
- Japan
- Prior art keywords
- nuclear fuel
- fuel rod
- engaging portion
- end plug
- inner end
- 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
- 239000003758 nuclear fuel Substances 0.000 claims description 8
- 238000005253 cladding Methods 0.000 claims description 5
- 239000000446 fuel Substances 0.000 claims description 2
- 239000008188 pellet Substances 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 238000003466 welding Methods 0.000 description 1
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
- Butt Welding And Welding Of Specific Article (AREA)
Description
第１図ないし第３図はそれぞれ本考案に係る核
燃料棒の実施例を示す縦断面部分図、第４図は核
燃料棒の概略構成を示す断面図、第５図は従来の
核燃料棒においてプレナムスプリングが被覆管と
接触している状態を示す縦断面図である。
１…燃料ペレツト、２…被覆管、２ａ…内周面
、３…端栓、３ａ…内端面、３ｂ，３ｃ，３ｄ…
係合部、４…プレナムスプリング、５…溶接部、
７…軸線。
Figures 1 to 3 are partial vertical cross-sectional views showing embodiments of the nuclear fuel rod according to the present invention, Figure 4 is a cross-sectional view showing the schematic structure of the nuclear fuel rod, and Figure 5 is a plenum spring in a conventional nuclear fuel rod. FIG. 3 is a longitudinal cross-sectional view showing a state in which is in contact with a cladding tube. DESCRIPTION OF SYMBOLS 1... Fuel pellet, 2... Cladding tube, 2a... Inner peripheral surface, 3... End plug, 3a... Inner end surface, 3b, 3c, 3d...
Engagement part, 4... Plenum spring, 5... Welding part,
7... Axis line.
Claims (1)
被覆管の端部に装着された端栓との間にプレナム
スプリングを設けた核燃料棒において、前記端栓
の内端面に、前記被覆管の軸線と同一軸線上に配
設された前記プレナムスプリングの端面と係合し
、このプレナムスプリングの半径方向移動を阻止
する係合部を形成したことを特徴とする核燃料棒
。 ２ 係合部は、端栓の内端外周面に形成されたテ
ーパ部であることを特徴とする実用新案登録請求
の範囲第１項記載の核燃料棒。 ３ 係合部は、端栓の内端面に形成され周方向に
延びる溝部であることを特徴とする実用新案登録
請求の範囲第１項記載の核燃料棒。 ４ 係合部は、端栓の内端面に形成された柱状突
起であることを特徴とする実用新案登録請求の範
囲第１項記載の核燃料棒。[Claims for Utility Model Registration] 1. In a nuclear fuel rod in which a plenum spring is provided between fuel pellets loaded in a cladding tube and an end plug attached to an end of the cladding tube, the inner end surface of the end plug A nuclear fuel rod characterized in that an engaging portion is formed that engages with an end face of the plenum spring disposed on the same axis as the axis of the cladding tube and prevents radial movement of the plenum spring. 2. The nuclear fuel rod according to claim 1, wherein the engaging portion is a tapered portion formed on the outer peripheral surface of the inner end of the end plug. 3. The nuclear fuel rod according to claim 1, wherein the engaging portion is a groove formed on the inner end surface of the end plug and extending in the circumferential direction. 4. The nuclear fuel rod according to claim 1, wherein the engaging portion is a columnar projection formed on the inner end surface of the end plug.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986059870U JPS62170595U (en) | 1986-04-21 | 1986-04-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986059870U JPS62170595U (en) | 1986-04-21 | 1986-04-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62170595U true JPS62170595U (en) | 1987-10-29 |
Family
ID=30891770
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986059870U Pending JPS62170595U (en) | 1986-04-21 | 1986-04-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62170595U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55143489A (en) * | 1979-04-27 | 1980-11-08 | Tokyo Shibaura Electric Co | Fuel rod |
-
1986
- 1986-04-21 JP JP1986059870U patent/JPS62170595U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55143489A (en) * | 1979-04-27 | 1980-11-08 | Tokyo Shibaura Electric Co | Fuel rod |