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
Application number
JP2001322924A
Other languages
English (en)
Japanese (ja)
Other versions
JP2002201904A (ja
Filing date
Publication date
Priority claimed from US09/741,892 external-priority patent/US6481972B2/en
Application filed filed Critical
Publication of JP2002201904A publication Critical patent/JP2002201904A/ja
Publication of JP2002201904A5 publication Critical patent/JP2002201904A5/ja
Pending legal-status Critical Current

Links

JP2001322924A 2000-12-22 2001-10-22 タービン動翼の固有振動数調整リブ Pending JP2002201904A (ja)

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 (enExample) 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 (enExample)
EP (1) EP1217171A3 (enExample)
JP (1) JP2002201904A (enExample)
KR (1) KR20020051819A (enExample)
CZ (1) CZ20013657A3 (enExample)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
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
US8172511B2 (en) * 2009-05-04 2012-05-08 Hamilton Sunstrand Corporation Radial compressor with blades decoupled and tuned at anti-nodes
US8172510B2 (en) * 2009-05-04 2012-05-08 Hamilton Sundstrand Corporation Radial compressor of asymmetric cyclic sector with coupled blades 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
WO2020263396A1 (en) * 2019-06-28 2020-12-30 Siemens Aktiengesellschaft Turbine airfoil incorporating modal frequency response tuning
KR102361585B1 (ko) * 2020-11-23 2022-02-14 한전케이피에스 주식회사 리브의 설계방법
CN115492642B (zh) * 2022-08-26 2025-02-25 中国科学院工程热物理研究所 一种冷却结构可调的涡轮叶片及航空发动机

Family Cites Families (9)

* Cited by examiner, † Cited by third party
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

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