JPH01134298U - - Google Patents
Info
- Publication number
- JPH01134298U JPH01134298U JP1988030507U JP3050788U JPH01134298U JP H01134298 U JPH01134298 U JP H01134298U JP 1988030507 U JP1988030507 U JP 1988030507U JP 3050788 U JP3050788 U JP 3050788U JP H01134298 U JPH01134298 U JP H01134298U
- Authority
- JP
- Japan
- Prior art keywords
- outer tube
- neutron absorber
- control rod
- end side
- notch
- 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
Links
- 239000006096 absorbing agent Substances 0.000 claims description 8
- 230000002093 peripheral effect Effects 0.000 claims 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
- Monitoring And Testing Of Nuclear Reactors (AREA)
Description
第１図および第３図はそれぞれこの考案の制御
棒の下端部を示す断面図、第４図は従来の制御棒
の断面図である。
１……外管、３……中性子吸収体、１０……面
取部（切欠部）、１１……切欠部、１２……凹部
、１３……凸部。
1 and 3 are sectional views showing the lower end of the control rod of this invention, and FIG. 4 is a sectional view of a conventional control rod. DESCRIPTION OF SYMBOLS 1... Outer tube, 3... Neutron absorber, 10... Chamfered part (notch part), 11... Notch part, 12... Recessed part, 13... Convex part.
Claims (1)
管の内部に中性子吸収体が挿入された制御棒にお
いて、上記外管の下端側に位置すべき上記中性子
吸収体の外周部に周方向に沿う切欠部を形成した
ことを特徴とする制御棒。 (2) 上記切欠部が上記外管の下端側に位置すべ
き上記中性子吸収体の外周面と下端面との稜線部
に形成されていることを特徴とする特許請求の範
囲第１項に記載の制御棒。 (3) 上記切欠部が上記外管の下端側に位置すべ
き上記中性子吸収体の軸線方向中途部の外周面に
形成されていることを特徴とする特許請求の範囲
第１項に記載の制御棒。 (4) 下端開口部が下部端栓により閉塞された外
管の内部に中性子吸収体が挿入された制御棒にお
いて、上記外管の下端側に位置すべき上記中性子
吸収体の下端面に凹部を形成すると共に、上記下
部端栓の端面に上記凹部に係合する凸部を形成し
たことを特徴とする制御棒。[Claims for Utility Model Registration] (1) In a control rod in which a neutron absorber is inserted inside an outer tube whose lower end opening is closed by a lower end plug, the neutron absorber should be located at the lower end side of the outer tube. A control rod characterized in that a notch is formed along the circumferential direction on the outer periphery of the absorber. (2) Claim 1, wherein the notch is formed at a ridgeline between the outer peripheral surface and the lower end surface of the neutron absorber, which should be located on the lower end side of the outer tube. control rod. (3) The control according to claim 1, wherein the notch is formed on the outer circumferential surface of the neutron absorber at a midway point in the axial direction, which should be located on the lower end side of the outer tube. rod. (4) In a control rod in which a neutron absorber is inserted into an outer tube whose lower end opening is closed by a lower end plug, a recess is formed in the lower end surface of the neutron absorber that should be located on the lower end side of the outer tube. and a convex portion that engages with the concave portion is formed on the end face of the lower end plug.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988030507U JPH0623997Y2 (en) | 1988-03-08 | 1988-03-08 | Control rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988030507U JPH0623997Y2 (en) | 1988-03-08 | 1988-03-08 | Control rod |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01134298U true JPH01134298U (en) | 1989-09-13 |
| JPH0623997Y2 JPH0623997Y2 (en) | 1994-06-22 |
Family
ID=31255631
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988030507U Expired - Lifetime JPH0623997Y2 (en) | 1988-03-08 | 1988-03-08 | Control rod |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0623997Y2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002520575A (en) * | 1998-07-02 | 2002-07-09 | ウェスチングハウス アトム アクチボラゲット | Absorber and control rod |
| JP2009503463A (en) * | 2005-07-29 | 2009-01-29 | アレヴァ エンペー ゲゼルシャフト ミット ベシュレンクテル ハフツング | Pressurized water reactor control rod |
-
1988
- 1988-03-08 JP JP1988030507U patent/JPH0623997Y2/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002520575A (en) * | 1998-07-02 | 2002-07-09 | ウェスチングハウス アトム アクチボラゲット | Absorber and control rod |
| JP2009503463A (en) * | 2005-07-29 | 2009-01-29 | アレヴァ エンペー ゲゼルシャフト ミット ベシュレンクテル ハフツング | Pressurized water reactor control rod |
| US8295427B1 (en) | 2005-07-29 | 2012-10-23 | Areva Np Gmbh | Control rod for a pressurized water nuclear reactor |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0623997Y2 (en) | 1994-06-22 |