JP2002221589A5 - - Google Patents
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- JP2002221589A5 JP2002221589A5 JP2001330134A JP2001330134A JP2002221589A5 JP 2002221589 A5 JP2002221589 A5 JP 2002221589A5 JP 2001330134 A JP2001330134 A JP 2001330134A JP 2001330134 A JP2001330134 A JP 2001330134A JP 2002221589 A5 JP2002221589 A5 JP 2002221589A5
- Authority
- JP
- Japan
- Prior art keywords
- joint
- fiv
- feasible
- vibration
- add
- 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
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Description
高レベルの流れに起因する振動(FIV)が、漏れ量が増大した幾つかの異常な運転状態時に、一部のジェットポンプ設計では起こり得る。新しいプラント設計の場合には、複数の円周方向の溝を含むラビリンスシールを、滑り継手の接合部において入口ミキサの出口端部に追加することが可能である。しかしながら、かかる変更は、運転中のプラントにおいては実施できない可能性がある。
特開平8−271673号
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/699,910 US6438192B1 (en) | 2000-10-30 | 2000-10-30 | Jet pump slip joint seal |
US09/699910 | 2000-10-30 |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2002221589A JP2002221589A (ja) | 2002-08-09 |
JP2002221589A5 true JP2002221589A5 (ja) | 2005-04-28 |
JP4109440B2 JP4109440B2 (ja) | 2008-07-02 |
Family
ID=24811436
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2001330134A Expired - Lifetime JP4109440B2 (ja) | 2000-10-30 | 2001-10-29 | ジェットポンプ滑り継手シール |
Country Status (2)
Country | Link |
---|---|
US (1) | US6438192B1 (ja) |
JP (1) | JP4109440B2 (ja) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7272204B2 (en) * | 2004-08-31 | 2007-09-18 | General Electric Company | Method and apparatus for clamping a riser brace assembly in nuclear reactor |
US7779029B2 (en) * | 2006-06-09 | 2010-08-17 | Research In Motion Limited | Method, software and device for effecting independently refreshable, markup language-based database queries and user interface screens |
US20080029969A1 (en) * | 2006-08-02 | 2008-02-07 | Torres Martin R | Jet pump slip joint piston ring seal |
US7627074B2 (en) * | 2006-10-24 | 2009-12-01 | General Electric Company | Vertical spring wedge |
JP5361500B2 (ja) | 2009-04-03 | 2013-12-04 | 株式会社東芝 | ジェットポンプおよびその振動抑制方法 |
US8948335B2 (en) * | 2009-06-30 | 2015-02-03 | Ge-Hitachi Nuclear Energy Americas Llc | System for dampening vibration |
TWI447743B (zh) * | 2009-09-18 | 2014-08-01 | Areva Np Inc | 用於降低震動之噴射泵滑動接頭的修正 |
US8197225B2 (en) * | 2010-07-16 | 2012-06-12 | Ge-Hitachi Nuclear Energy Americas Llc | Jet pump slip joint clamps and methods of using the same |
US8475139B2 (en) * | 2010-09-07 | 2013-07-02 | Ge-Hitachi Nuclear Energy Americas Llc | Method and apparatus for a jet pump slip joint internal seal |
US8792608B2 (en) | 2010-11-05 | 2014-07-29 | Ge-Hitachi Nuclear Energy Americas Llc | BWR jet pump inlet-mixer main wedge with inserts |
US8964929B2 (en) * | 2010-12-30 | 2015-02-24 | Ge-Hitachi Nuclear Energy Americas Llc | Method and apparatus for a jet pump three point slip joint clamp |
US8599992B2 (en) | 2010-12-30 | 2013-12-03 | Ge-Hitachi Nuclear Energy Americas, Llc | Method and apparatus for a jet pump inlet mixer integral slip joint clamp |
US9589684B2 (en) | 2012-05-16 | 2017-03-07 | Ge-Hitachi Nuclear Energy Americas Llc | Apparatuses and methods for controlling movement of components |
US9734924B2 (en) | 2013-03-22 | 2017-08-15 | Continuum Dynamics, Inc. | Method and apparatus for suppressing flow-induced jet pump vibration in a boiling water reactor |
US10436227B2 (en) * | 2015-10-16 | 2019-10-08 | Framatome Inc. | Sealing device for jet pump slip joints |
US10458578B2 (en) * | 2015-12-02 | 2019-10-29 | Ge-Hitachi Nuclear Energy Americas Llc | Method and apparatus for repairing a jet pump slip joint |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3838002A (en) * | 1972-07-21 | 1974-09-24 | Gen Electric | Jet pump for nuclear reactor |
US4285770A (en) * | 1979-07-12 | 1981-08-25 | General Electric Company | Jet pump with labyrinth seal |
US4468172A (en) * | 1983-03-08 | 1984-08-28 | General Electric Company | Jet pump plug |
JP3425262B2 (ja) * | 1995-03-30 | 2003-07-14 | 株式会社東芝 | ジェットポンプシール装置および同装置を用いたジェットポンプ点検補修方法 |
US6052425A (en) | 1998-12-21 | 2000-04-18 | General Electric Company | Jet pump auxiliary wedge |
US5978433A (en) | 1998-12-21 | 1999-11-02 | General Electric Company | Jet pump wedge locking support apparatus |
US6264203B1 (en) * | 1999-01-29 | 2001-07-24 | Mpr Associates, Inc. | Methods and apparatus for repairing a cracked jet pump riser in a boiling water reactor utilizing a spacer camp |
-
2000
- 2000-10-30 US US09/699,910 patent/US6438192B1/en not_active Expired - Fee Related
-
2001
- 2001-10-29 JP JP2001330134A patent/JP4109440B2/ja not_active Expired - Lifetime
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