KR20020004968A - 터빈 블레이드 - Google Patents
터빈 블레이드 Download PDFInfo
- Publication number
- KR20020004968A KR20020004968A KR1020017011778A KR20017011778A KR20020004968A KR 20020004968 A KR20020004968 A KR 20020004968A KR 1020017011778 A KR1020017011778 A KR 1020017011778A KR 20017011778 A KR20017011778 A KR 20017011778A KR 20020004968 A KR20020004968 A KR 20020004968A
- Authority
- KR
- South Korea
- Prior art keywords
- blade
- bracket
- region
- blade body
- turbine
- 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
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
- F01D5/20—Specially-shaped blade tips to seal space between tips and stator
-
- 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
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T50/00—Aeronautics or air transport
- Y02T50/60—Efficient propulsion technologies, e.g. for aircraft
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Abstract
Description
Claims (6)
- 선단 에지 (5), 후단 에지 (6), 흡입면 (7), 및 압력면 (8) 이 제공되고 블레이드 팁 (9) 이 구비된 블레이드 몸체 (4) 를 가지며, 상기 블레이드 팁 (9) 영역의 블레이드 몸체 (4) 압력면 (8) 에 브래킷 (10) 이 배치된 터빈 블레이드에 있어서,상기 브래킷 (10) 은 압력면 (8) 의 표면 영역 (13) 의 영역 (11) 에만 형성되고, 상기 표면 영역 (13) 은, 선단 에지 (5) 영역 및 후단 에지 (6) 영역에서 블레이드 몸체 (4) 의 압력면 (8) 에 접하는 가상의 현 (12) 에 의하여 한정된 것을 특징으로 하는 터빈 블레이드.
- 제 1 항에 있어서, 상기 가상의 현 (12) 은, 선단 에지 (5) 영역에서 블레이드 몸체 (4) 의 압력면 (8) 의 제 1 지점 (14) 과 후단 에지 (6) 영역에서 블레이드 몸체 (4) 의 압력면 (8) 의 제 2 지점 (15) 을 지나고, 상기 브래킷 (10) 이 위치하는 영역 (11) 은, 상기 두 지점 (14, 15) 사이에서 이들 지점으로부터 거리를 두고 형성된 것을 특징으로 하는 터빈 블레이드.
- 제 2 항에 있어서, 제 1 지점 (14) 과 브래킷 (10) 사이 및 제 2 지점 (15) 과 브래킷 사이에 거리 a1및 a2가 각각 있고, 이들 거리 a1및 a2는 블레이드 몸체(4) 의 대응하는 영역에서의 블레이드 두께 d1및 d2와 대략적으로 같은 것을 특징으로 하는 터빈 블레이드.
- 제 2 항 또는 제 3 항에 있어서, 선단 에지 (5) 로부터 블레이드 몸체 (4) 의 현 길이 (l) 의 30 내지 40 % 인 곳에서 브래킷 (10) 은 압력면 (8) 위로 최대높이 (hmax) 를 가지며, 상기 브래킷 (10) 의 높이는 블레이드 몸체 (4) 의 선단 에지 (5) 및 후단 에지 (6) 의 방향으로 연속적으로 감소하는 것을 특징으로 하는 터빈 블레이드.
- 제 4 항에 있어서, 브래킷 (10) 의 최대높이 (hmax) 는, 블레이드 팁 (9) 으로부터 먼 쪽에서 브래킷 (10) 에 인접한 블레이드 몸체 (4) 의 일영역에서의 블레이드 두께 (d3) 과 대략적으로 같은 것을 특징으로 하는 터빈 블레이드.
- 제 5 항에 있어서, 상기 브래킷 (10) 은 파형인 것을 특징으로 하는 터빈 블레이드.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19913269A DE19913269A1 (de) | 1999-03-24 | 1999-03-24 | Turbinenschaufel |
| DE19913269.0 | 1999-03-24 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20020004968A true KR20020004968A (ko) | 2002-01-16 |
| KR100717559B1 KR100717559B1 (ko) | 2007-05-15 |
Family
ID=7902198
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020017011778A Expired - Fee Related KR100717559B1 (ko) | 1999-03-24 | 2000-03-23 | 터빈 블레이드 |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US6565324B1 (ko) |
| EP (1) | EP1163425B1 (ko) |
| JP (1) | JP4511053B2 (ko) |
| KR (1) | KR100717559B1 (ko) |
| CN (1) | CN1237258C (ko) |
| DE (2) | DE19913269A1 (ko) |
| TW (1) | TW440653B (ko) |
| WO (1) | WO2000057029A1 (ko) |
Families Citing this family (29)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ITTO20011075A1 (it) * | 2001-11-16 | 2003-05-16 | Fiatavio Spa | Organo a palette, in particolare per una turbina assiale di un motoreaeronautico. |
| US7579771B2 (en) | 2002-04-23 | 2009-08-25 | Semiconductor Energy Laboratory Co., Ltd. | Light emitting device and method of manufacturing the same |
| US7270519B2 (en) | 2002-11-12 | 2007-09-18 | General Electric Company | Methods and apparatus for reducing flow across compressor airfoil tips |
| US6779979B1 (en) * | 2003-04-23 | 2004-08-24 | General Electric Company | Methods and apparatus for structurally supporting airfoil tips |
| US6905309B2 (en) * | 2003-08-28 | 2005-06-14 | General Electric Company | Methods and apparatus for reducing vibrations induced to compressor airfoils |
| EP1591624A1 (de) * | 2004-04-27 | 2005-11-02 | Siemens Aktiengesellschaft | Verdichterschaufel und verdichter |
| EP1624192A1 (de) * | 2004-08-06 | 2006-02-08 | Siemens Aktiengesellschaft | Verdichterschaufel für einen Verdichter und Verdichter |
| ITMI20060340A1 (it) * | 2006-02-27 | 2007-08-28 | Nuovo Pignone Spa | Pala di un rotore di un secondo stadio di un compressore |
| EP1953344B1 (de) | 2007-02-05 | 2012-04-11 | Siemens Aktiengesellschaft | Turbinenschaufel |
| GB0704426D0 (en) * | 2007-03-08 | 2007-04-18 | Rolls Royce Plc | Aerofoil members for a turbomachine |
| US20080253896A1 (en) * | 2007-04-13 | 2008-10-16 | Walls Gary C | High efficiency fan blades with airflow-directing baffle elements |
| EP2093378A1 (en) | 2008-02-25 | 2009-08-26 | ALSTOM Technology Ltd | Upgrading method for a blade by retrofitting a winglet, and correspondingly upgraded blade |
| DE102009036406A1 (de) * | 2009-08-06 | 2011-02-10 | Mtu Aero Engines Gmbh | Schaufelblatt |
| US8414265B2 (en) * | 2009-10-21 | 2013-04-09 | General Electric Company | Turbines and turbine blade winglets |
| EP2336492A1 (en) | 2009-12-16 | 2011-06-22 | Siemens Aktiengesellschaft | Guide vane with a winglet for an energy converting machine and machine for converting energy comprising the guide vane |
| US8591195B2 (en) * | 2010-05-28 | 2013-11-26 | Pratt & Whitney Canada Corp. | Turbine blade with pressure side stiffening rib |
| KR101277304B1 (ko) * | 2011-01-21 | 2013-06-20 | 금오공과대학교 산학협력단 | 가스터빈의 터빈 동익 평면팁용 익단소익 |
| US8944774B2 (en) * | 2012-01-03 | 2015-02-03 | General Electric Company | Gas turbine nozzle with a flow fence |
| CA146333S (en) * | 2012-02-02 | 2013-02-07 | Novenco As | Ventilator blade |
| US9845683B2 (en) * | 2013-01-08 | 2017-12-19 | United Technology Corporation | Gas turbine engine rotor blade |
| FR3022295B1 (fr) | 2014-06-17 | 2019-07-05 | Safran Aircraft Engines | Aube de turbomachine comportant une ailette anti-tourbillons |
| EP2987956A1 (en) * | 2014-08-18 | 2016-02-24 | Siemens Aktiengesellschaft | Compressor aerofoil |
| US10907648B2 (en) * | 2016-10-28 | 2021-02-02 | Honeywell International Inc. | Airfoil with maximum thickness distribution for robustness |
| US10895161B2 (en) | 2016-10-28 | 2021-01-19 | Honeywell International Inc. | Gas turbine engine airfoils having multimodal thickness distributions |
| CN110637151B (zh) * | 2017-10-31 | 2021-09-07 | 三菱重工发动机和增压器株式会社 | 涡轮动叶片、涡轮增压器以及涡轮动叶片的制造方法 |
| DE102018212334B4 (de) * | 2018-07-24 | 2024-04-11 | Vitesco Technologies GmbH | Abgasturbolader mit Turbinenrad mit Winglets |
| BE1026579B1 (fr) * | 2018-08-31 | 2020-03-30 | Safran Aero Boosters Sa | Aube a protuberance pour compresseur de turbomachine |
| US12286897B2 (en) * | 2022-06-02 | 2025-04-29 | Pratt & Whitney Canada Corp. | Airfoil ribs for rotor blades |
| US12410714B2 (en) * | 2023-06-26 | 2025-09-09 | Pratt & Whitney Canada Corp. | Airfoil thickness profile for minimizing tip leakage flow |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE560589C (de) * | 1932-10-04 | Franz Burghauser Dipl Ing | Einrichtung zur Verminderung des Schaufelspaltverlustes von Dampf- und Gasturbinen | |
| 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 |
| BE638547A (ko) * | 1962-10-29 | 1900-01-01 | ||
| US3706512A (en) * | 1970-11-16 | 1972-12-19 | United Aircraft Canada | Compressor blades |
| DE2405050A1 (de) * | 1974-02-02 | 1975-08-07 | Motoren Turbinen Union | Laufschaufeln fuer turbomaschinen |
| US4108573A (en) * | 1977-01-26 | 1978-08-22 | Westinghouse Electric Corp. | Vibratory tuning of rotatable blades for elastic fluid machines |
| DE3017226A1 (de) * | 1979-05-12 | 1980-11-20 | Papst Motoren Kg | Ventilatorlaufrad |
| DE3401742C2 (de) * | 1984-01-19 | 1986-08-14 | MTU Motoren- und Turbinen-Union München GmbH, 8000 München | Rotor für einen Axialverdichter |
| US5151014A (en) * | 1989-06-30 | 1992-09-29 | Airflow Research And Manufacturing Corporation | Lightweight airfoil |
| US5137426A (en) * | 1990-08-06 | 1992-08-11 | General Electric Company | Blade shroud deformable protective coating |
| US5282721A (en) * | 1991-09-30 | 1994-02-01 | United Technologies Corporation | Passive clearance system for turbine blades |
| DE19850732A1 (de) * | 1998-11-04 | 2000-05-11 | Asea Brown Boveri | Axialturbine |
-
1999
- 1999-03-24 DE DE19913269A patent/DE19913269A1/de not_active Withdrawn
-
2000
- 2000-03-21 TW TW089105125A patent/TW440653B/zh not_active IP Right Cessation
- 2000-03-23 DE DE50003443T patent/DE50003443D1/de not_active Expired - Lifetime
- 2000-03-23 KR KR1020017011778A patent/KR100717559B1/ko not_active Expired - Fee Related
- 2000-03-23 EP EP00908908A patent/EP1163425B1/de not_active Expired - Lifetime
- 2000-03-23 JP JP2000606874A patent/JP4511053B2/ja not_active Expired - Fee Related
- 2000-03-23 CN CNB008054304A patent/CN1237258C/zh not_active Expired - Fee Related
- 2000-03-23 US US09/937,321 patent/US6565324B1/en not_active Expired - Lifetime
- 2000-03-23 WO PCT/CH2000/000172 patent/WO2000057029A1/de not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| CN1237258C (zh) | 2006-01-18 |
| EP1163425B1 (de) | 2003-08-27 |
| JP4511053B2 (ja) | 2010-07-28 |
| DE50003443D1 (de) | 2003-10-02 |
| CN1346424A (zh) | 2002-04-24 |
| DE19913269A1 (de) | 2000-09-28 |
| WO2000057029A1 (de) | 2000-09-28 |
| KR100717559B1 (ko) | 2007-05-15 |
| EP1163425A1 (de) | 2001-12-19 |
| JP2002540334A (ja) | 2002-11-26 |
| TW440653B (en) | 2001-06-16 |
| US6565324B1 (en) | 2003-05-20 |
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