JP2002201904A5 - - Google Patents
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- Publication number
- JP2002201904A5 JP2002201904A5 JP2001322924A JP2001322924A JP2002201904A5 JP 2002201904 A5 JP2002201904 A5 JP 2002201904A5 JP 2001322924 A JP2001322924 A JP 2001322924A JP 2001322924 A JP2001322924 A JP 2001322924A JP 2002201904 A5 JP2002201904 A5 JP 2002201904A5
- Authority
- JP
- Japan
- Prior art keywords
- height
- blade
- cropping
- chord
- unexamined
- 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
Description
これまで、タービン動翼の調整は、ブレードアスペクト比(高さ対翼弦)、TE(後縁)クロッピング、チャンバ変更、壁厚さ、翼先端質量、シャンク高さ、ダンパ設計、及び材料密度又はその他の材料特性(例えば、DS、単結晶)等々を変えるなどの手段によって行われて来た。
特開平08−319803号公報
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/741892 | 2000-12-22 | ||
US09/741,892 US6481972B2 (en) | 2000-12-22 | 2000-12-22 | Turbine bucket natural frequency tuning rib |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2002201904A JP2002201904A (ja) | 2002-07-19 |
JP2002201904A5 true JP2002201904A5 (ja) | 2005-04-28 |
Family
ID=24982631
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2001322924A Pending JP2002201904A (ja) | 2000-12-22 | 2001-10-22 | タービン動翼の固有振動数調整リブ |
Country Status (5)
Country | Link |
---|---|
US (1) | US6481972B2 (ja) |
EP (1) | EP1217171A3 (ja) |
JP (1) | JP2002201904A (ja) |
KR (1) | KR20020051819A (ja) |
CZ (1) | CZ20013657A3 (ja) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6776583B1 (en) | 2003-02-27 | 2004-08-17 | General Electric Company | Turbine bucket damper pin |
DE50309922D1 (de) * | 2003-07-29 | 2008-07-10 | Siemens Ag | Gekühlte Turbinenschaufel |
US7001150B2 (en) * | 2003-10-16 | 2006-02-21 | Pratt & Whitney Canada Corp. | Hollow turbine blade stiffening |
US7008179B2 (en) * | 2003-12-16 | 2006-03-07 | General Electric Co. | Turbine blade frequency tuned pin bank |
US20060219268A1 (en) * | 2005-03-30 | 2006-10-05 | Gunilla Jacobson | Neutralization of systemic poisoning in wafer processing |
US20080089789A1 (en) * | 2006-10-17 | 2008-04-17 | Thomas Joseph Farineau | Airfoils for use with turbine assemblies and methods of assembling the same |
GB2450937B (en) | 2007-07-13 | 2009-06-03 | Rolls Royce Plc | Component with tuned frequency response |
US20090155082A1 (en) * | 2007-12-18 | 2009-06-18 | Loc Duong | Method to maximize resonance-free running range for a turbine blade |
EP2161411A1 (de) * | 2008-09-05 | 2010-03-10 | Siemens Aktiengesellschaft | Turbinenschaufel mit angepasster Eigenfrequenz mittels eines Einsatzes |
US8172510B2 (en) * | 2009-05-04 | 2012-05-08 | Hamilton Sundstrand Corporation | Radial compressor of asymmetric cyclic sector with coupled blades tuned at anti-nodes |
US8172511B2 (en) * | 2009-05-04 | 2012-05-08 | Hamilton Sunstrand Corporation | Radial compressor with blades decoupled and tuned at anti-nodes |
US9447691B2 (en) * | 2011-08-22 | 2016-09-20 | General Electric Company | Bucket assembly treating apparatus and method for treating bucket assembly |
US9091175B2 (en) * | 2011-08-24 | 2015-07-28 | Pratt & Whitney Canada Corp. | Hollow core airfoil stiffener rib |
US10156146B2 (en) | 2016-04-25 | 2018-12-18 | General Electric Company | Airfoil with variable slot decoupling |
FR3052182B1 (fr) * | 2016-06-06 | 2018-06-15 | Safran | Roue aubagee de turbomachine a comportement vibratoire ameliore |
US10641098B2 (en) | 2017-07-14 | 2020-05-05 | United Technologies Corporation | Gas turbine engine hollow fan blade rib orientation |
JP7064076B2 (ja) | 2018-03-27 | 2022-05-10 | 三菱重工業株式会社 | タービン翼及びタービン並びにタービン翼の固有振動数のチューニング方法 |
EP3969727B1 (en) | 2019-06-28 | 2024-05-29 | Siemens Energy Global GmbH & Co. KG | Turbine airfoil incorporating modal frequency response tuning |
KR102361585B1 (ko) * | 2020-11-23 | 2022-02-14 | 한전케이피에스 주식회사 | 리브의 설계방법 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4108573A (en) * | 1977-01-26 | 1978-08-22 | Westinghouse Electric Corp. | Vibratory tuning of rotatable blades for elastic fluid machines |
US5253824A (en) * | 1991-04-16 | 1993-10-19 | General Electric Company | Hollow core airfoil |
US5413463A (en) * | 1991-12-30 | 1995-05-09 | General Electric Company | Turbulated cooling passages in gas turbine buckets |
US5472316A (en) * | 1994-09-19 | 1995-12-05 | General Electric Company | Enhanced cooling apparatus for gas turbine engine airfoils |
US5536143A (en) * | 1995-03-31 | 1996-07-16 | General Electric Co. | Closed circuit steam cooled bucket |
US5797726A (en) * | 1997-01-03 | 1998-08-25 | General Electric Company | Turbulator configuration for cooling passages or rotor blade in a gas turbine engine |
US5988982A (en) * | 1997-09-09 | 1999-11-23 | Lsp Technologies, Inc. | Altering vibration frequencies of workpieces, such as gas turbine engine blades |
US5947688A (en) * | 1997-12-22 | 1999-09-07 | General Electric Company | Frequency tuned hybrid blade |
US6273682B1 (en) * | 1999-08-23 | 2001-08-14 | General Electric Company | Turbine blade with preferentially-cooled trailing edge pressure wall |
-
2000
- 2000-12-22 US US09/741,892 patent/US6481972B2/en not_active Expired - Fee Related
-
2001
- 2001-10-10 CZ CZ20013657A patent/CZ20013657A3/cs unknown
- 2001-10-16 EP EP01308799A patent/EP1217171A3/en not_active Withdrawn
- 2001-10-19 KR KR1020010064765A patent/KR20020051819A/ko not_active Application Discontinuation
- 2001-10-22 JP JP2001322924A patent/JP2002201904A/ja active Pending
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