JP2004324646A - 翼形部先端を構造的に支持するための方法及び装置 - Google Patents

翼形部先端を構造的に支持するための方法及び装置 Download PDF

Info

Publication number
JP2004324646A
JP2004324646A JP2004126242A JP2004126242A JP2004324646A JP 2004324646 A JP2004324646 A JP 2004324646A JP 2004126242 A JP2004126242 A JP 2004126242A JP 2004126242 A JP2004126242 A JP 2004126242A JP 2004324646 A JP2004324646 A JP 2004324646A
Authority
JP
Japan
Prior art keywords
airfoil
side wall
rib
tip
ribs
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
JP2004126242A
Other languages
English (en)
Japanese (ja)
Other versions
JP2004324646A5 (enExample
Inventor
Aspi R Wadia
アスピ・アール・ワディア
Rolf Hetico
ロルフ・ヘティコ
Robert Bruce Dickman
ロバート・ブルース・ディックマン
Hsin-Yi Yen
シン−イ・イェン
Peter Wood
ピーター・ウッド
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
General Electric Co
Original Assignee
General Electric Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by General Electric Co filed Critical General Electric Co
Publication of JP2004324646A publication Critical patent/JP2004324646A/ja
Publication of JP2004324646A5 publication Critical patent/JP2004324646A5/ja
Pending legal-status Critical Current

Links

Images

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
    • F01D5/12—Blades
    • F01D5/14—Form or construction
    • F01D5/141—Shape, i.e. outer, aerodynamic form
    • F01D5/145—Means for influencing boundary layers or secondary circulations
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
    • F01D5/12—Blades
    • F01D5/14—Form or construction
    • F01D5/16—Form or construction for counteracting blade vibration
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
    • F01D5/12—Blades
    • F01D5/14—Form or construction
    • F01D5/20—Specially-shaped blade tips to seal space between tips and stator
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2240/00—Components
    • F05D2240/20—Rotors
    • F05D2240/30—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2260/00—Function
    • F05D2260/96—Preventing, counteracting or reducing vibration or noise
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S416/00—Fluid reaction surfaces, i.e. impellers
    • Y10S416/50—Vibration damping features

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
JP2004126242A 2003-04-23 2004-04-22 翼形部先端を構造的に支持するための方法及び装置 Pending JP2004324646A (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/421,286 US6779979B1 (en) 2003-04-23 2003-04-23 Methods and apparatus for structurally supporting airfoil tips

Publications (2)

Publication Number Publication Date
JP2004324646A true JP2004324646A (ja) 2004-11-18
JP2004324646A5 JP2004324646A5 (enExample) 2007-06-14

Family

ID=32869256

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2004126242A Pending JP2004324646A (ja) 2003-04-23 2004-04-22 翼形部先端を構造的に支持するための方法及び装置

Country Status (4)

Country Link
US (1) US6779979B1 (enExample)
EP (1) EP1471209A3 (enExample)
JP (1) JP2004324646A (enExample)
CA (1) CA2464249A1 (enExample)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9976430B2 (en) 2013-06-06 2018-05-22 Ihi Corporation Blade in fan, and fan
JP2018514704A (ja) * 2015-05-09 2018-06-07 マン・ディーゼル・アンド・ターボ・エスイー 洗浄システムを備えたガイドベーンを有する圧縮機
US10465555B2 (en) 2014-11-17 2019-11-05 Ihi Corporation Airfoil for axial flow machine

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6905309B2 (en) * 2003-08-28 2005-06-14 General Electric Company Methods and apparatus for reducing vibrations induced to compressor airfoils
US7320575B2 (en) * 2004-09-28 2008-01-22 General Electric Company Methods and apparatus for aerodynamically self-enhancing rotor blades
EP1801422B1 (de) * 2005-12-22 2013-06-12 Ziehl-Abegg AG Ventilator und Ventilatorflügel
US7758311B2 (en) * 2006-10-12 2010-07-20 General Electric Company Part span shrouded fan blisk
CN101255800B (zh) * 2008-02-28 2010-06-09 大连海事大学 涡轮或汽轮机动叶叶尖小翼
US8591195B2 (en) 2010-05-28 2013-11-26 Pratt & Whitney Canada Corp. Turbine blade with pressure side stiffening rib
EP2584146A1 (de) * 2011-10-21 2013-04-24 Siemens Aktiengesellschaft Verfahren zum Herstellen einer Laufschaufel für eine Strömungsmaschine und entsprechende Laufschaufel
US10087764B2 (en) 2012-03-08 2018-10-02 Pratt & Whitney Canada Corp. Airfoil for gas turbine engine
US10465531B2 (en) 2013-02-21 2019-11-05 General Electric Company Turbine blade tip shroud and mid-span snubber with compound contact angle
US20140241899A1 (en) * 2013-02-25 2014-08-28 Pratt & Whitney Canada Corp. Blade leading edge tip rib
EP3280918B1 (en) 2015-04-08 2021-03-03 Horton, Inc. Fan blade with flow modification features on the pressure side
CN106368741A (zh) * 2016-11-09 2017-02-01 哈尔滨工业大学 一种具有小翼肋条叶尖的叶片及使用该叶片的涡轮
DE102017216620A1 (de) 2017-09-20 2019-03-21 MTU Aero Engines AG Schaufel für eine Strömungsmaschine
US10787932B2 (en) * 2018-07-13 2020-09-29 Honeywell International Inc. Turbine blade with dust tolerant cooling system
US11692462B1 (en) 2022-06-06 2023-07-04 General Electric Company Blade having a rib for an engine and method of directing ingestion material using the same

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB840543A (en) * 1956-01-16 1960-07-06 Vickers Electrical Co Ltd Improvements in turbine blading
DE1108374B (de) * 1960-02-23 1961-06-08 M A N Turbomotoren G M B H Einrichtung zur Vermeidung von Sekundaerstroemungen in Schaufelkanaelen von Stroemungsmaschinen
US3012709A (en) * 1955-05-18 1961-12-12 Daimler Benz Ag Blade for axial compressors
US3193185A (en) * 1962-10-29 1965-07-06 Gen Electric Compressor blading
DE2135287A1 (de) * 1971-07-15 1973-01-25 Wilhelm Prof Dr Ing Dettmering Lauf- und leitradgitter fuer turbomaschinen
JP2000145407A (ja) * 1998-11-04 2000-05-26 Asea Brown Boveri Ag 軸流タ―ビン
US20010002235A1 (en) * 1999-11-30 2001-05-31 Mtu Motoren-Und Turbinen-Union Munchen Gmbh Blade with optimized vibration behavior

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3706512A (en) * 1970-11-16 1972-12-19 United Aircraft Canada Compressor blades
US4108573A (en) * 1977-01-26 1978-08-22 Westinghouse Electric Corp. Vibratory tuning of rotatable blades for elastic fluid machines
US4589824A (en) 1977-10-21 1986-05-20 United Technologies Corporation Rotor blade having a tip cap end closure
US4919593A (en) * 1988-08-30 1990-04-24 Westinghouse Electric Corp. Retrofitted rotor blades for steam turbines and method of making the same
US5261789A (en) 1992-08-25 1993-11-16 General Electric Company Tip cooled blade
DE19913269A1 (de) * 1999-03-24 2000-09-28 Asea Brown Boveri Turbinenschaufel
US6179556B1 (en) 1999-06-01 2001-01-30 General Electric Company Turbine blade tip with offset squealer
US6164914A (en) 1999-08-23 2000-12-26 General Electric Company Cool tip blade
US6382913B1 (en) 2001-02-09 2002-05-07 General Electric Company Method and apparatus for reducing turbine blade tip region temperatures
ITTO20011075A1 (it) * 2001-11-16 2003-05-16 Fiatavio Spa Organo a palette, in particolare per una turbina assiale di un motoreaeronautico.
US7270519B2 (en) * 2002-11-12 2007-09-18 General Electric Company Methods and apparatus for reducing flow across compressor airfoil tips

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3012709A (en) * 1955-05-18 1961-12-12 Daimler Benz Ag Blade for axial compressors
GB840543A (en) * 1956-01-16 1960-07-06 Vickers Electrical Co Ltd Improvements in turbine blading
DE1108374B (de) * 1960-02-23 1961-06-08 M A N Turbomotoren G M B H Einrichtung zur Vermeidung von Sekundaerstroemungen in Schaufelkanaelen von Stroemungsmaschinen
US3193185A (en) * 1962-10-29 1965-07-06 Gen Electric Compressor blading
DE2135287A1 (de) * 1971-07-15 1973-01-25 Wilhelm Prof Dr Ing Dettmering Lauf- und leitradgitter fuer turbomaschinen
JP2000145407A (ja) * 1998-11-04 2000-05-26 Asea Brown Boveri Ag 軸流タ―ビン
US20010002235A1 (en) * 1999-11-30 2001-05-31 Mtu Motoren-Und Turbinen-Union Munchen Gmbh Blade with optimized vibration behavior

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9976430B2 (en) 2013-06-06 2018-05-22 Ihi Corporation Blade in fan, and fan
US10465555B2 (en) 2014-11-17 2019-11-05 Ihi Corporation Airfoil for axial flow machine
JP2018514704A (ja) * 2015-05-09 2018-06-07 マン・ディーゼル・アンド・ターボ・エスイー 洗浄システムを備えたガイドベーンを有する圧縮機

Also Published As

Publication number Publication date
EP1471209A3 (en) 2006-07-12
EP1471209A2 (en) 2004-10-27
CA2464249A1 (en) 2004-10-23
US6779979B1 (en) 2004-08-24

Similar Documents

Publication Publication Date Title
JP4771672B2 (ja) 圧縮機翼形部に生じる振動を低減するための方法及び装置
US6899526B2 (en) Counterstagger compressor airfoil
JP5059991B2 (ja) 狭ウェスト部を有する静翼
CN103443402B (zh) 高弧度定子导叶
JP2004324646A (ja) 翼形部先端を構造的に支持するための方法及び装置
JP4307706B2 (ja) 湾曲したバレルエーロフォイル
EP2689108B1 (en) Compressor airfoil with tip dihedral
EP1930598B1 (en) Advanced booster rotor blade
US8702398B2 (en) High camber compressor rotor blade
EP1930600B1 (en) Advanced booster stator vane
US6568909B2 (en) Methods and apparatus for improving engine operation
US7946825B2 (en) Turbofan gas turbine engine fan blade and a turbofan gas turbine fan rotor arrangement
US7270519B2 (en) Methods and apparatus for reducing flow across compressor airfoil tips
JP2007051642A (ja) 誘起される振動が少ないエーロフォイル及び該エーロフォイルを備えるガスタービンエンジン
JP2009013984A (ja) 回転機械で使用する翼形部及びそれを製作する方法
US20190085868A1 (en) Mistuned compressor rotor with hub scoops
JP2006283755A (ja) 固定タービン翼形部
US20060275126A1 (en) Turbine rotor hub contour
JP2007064224A (ja) 固定子構体内部における接触を調整する方法及び装置

Legal Events

Date Code Title Description
A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20070419

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20070419

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20091110

A601 Written request for extension of time

Free format text: JAPANESE INTERMEDIATE CODE: A601

Effective date: 20100203

RD02 Notification of acceptance of power of attorney

Free format text: JAPANESE INTERMEDIATE CODE: A7422

Effective date: 20100203

RD04 Notification of resignation of power of attorney

Free format text: JAPANESE INTERMEDIATE CODE: A7424

Effective date: 20100203

A602 Written permission of extension of time

Free format text: JAPANESE INTERMEDIATE CODE: A602

Effective date: 20100208

A02 Decision of refusal

Free format text: JAPANESE INTERMEDIATE CODE: A02

Effective date: 20100706