JPS61114005U - - Google Patents
Info
- Publication number
- JPS61114005U JPS61114005U JP1985189184U JP18918485U JPS61114005U JP S61114005 U JPS61114005 U JP S61114005U JP 1985189184 U JP1985189184 U JP 1985189184U JP 18918485 U JP18918485 U JP 18918485U JP S61114005 U JPS61114005 U JP S61114005U
- Authority
- JP
- Japan
- Prior art keywords
- tip
- leading edge
- blade
- turbine rotor
- extending
- 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
- 238000001816 cooling Methods 0.000 claims description 6
- 230000000903 blocking effect Effects 0.000 claims 1
- 239000012530 fluid Substances 0.000 claims 1
- 239000000463 material Substances 0.000 claims 1
- 238000013022 venting Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
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
- F01D5/18—Hollow blades, i.e. blades with cooling or heating channels or cavities; Heating, heat-insulating or cooling means on blades
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Description
第1図は本考案の1実施例に従つて構成された
タービンロータ羽根の図、第2図は第1図で示さ
れたタービンロータ羽根の翼部の上面図、第3図
は第2図で示された翼の一部を第2図の―線
に沿つて示す断面図である。 10…ロータ羽根、12…根部、14…翼部、
16…凹状側部、17…凸状側部、18…先端部
、20…冷却空気開口、22…外面(羽根先端表
面)、24…羽根先端空胴、26…先端凹部、3
0…冷却空気通路、32…開口、34…外面(前
縁先端表面)。
タービンロータ羽根の図、第2図は第1図で示さ
れたタービンロータ羽根の翼部の上面図、第3図
は第2図で示された翼の一部を第2図の―線
に沿つて示す断面図である。 10…ロータ羽根、12…根部、14…翼部、
16…凹状側部、17…凸状側部、18…先端部
、20…冷却空気開口、22…外面(羽根先端表
面)、24…羽根先端空胴、26…先端凹部、3
0…冷却空気通路、32…開口、34…外面(前
縁先端表面)。
Claims (1)
- ロータデイスクに羽根を固定するための根部と
、高温流体動力ガスの流れをさえぎるための凹状
側部及び凸状側部を画定する輪郭を有する壁を備
えた翼部と、根部及び翼部内にあり、それらを通
る冷却空気の流れを維持するための空気通路と、
翼部からの冷却空気に排出経路を与える構成を有
する先端部と、を備えたタービンロータ羽根であ
つて、前記先端部は、半径方向外向きに面した先
端空胴に境界を付けるため、実質的に前記翼部か
ら半径方向外向きに伸びた先端側壁部を有してお
り、前記先端側壁部は翼後縁の回りに伸びた縁部
と、該縁部から前記縁凹状側部及び凸状側部に沿
い翼前縁に向かつて実質的に伸びた夫々の部分と
を実質的に有しており、前記タービンロータ羽根
は、翼前縁に達しない位置にあり、前記凸状側部
と凹状側部との間の前記翼部を横切つて伸びた閉
塞した側壁部分を備えており、羽根先端表面によ
り形成された前記先端空胴の基部は翼部から前記
先端空胴内に冷却空気を吐き出すための開口を有
しており、前記タービンロータ羽根は、前記先端
空胴側壁の最外区域から半径方向内向きに位置し
、前記閉塞した側壁部分から翼前縁まで伸びた前
縁先端表面をさらに備えており、該前縁先端表面
は翼前縁近くの少なくとも1つの羽根冷却通路を
排気するための開口装置を有しており、前記前縁
先端表面は翼前縁近くの冷却材流をさえぎらない
で側壁で囲まれた先端吐き出し空胴を与えるには
狭過ぎるタービンロータ羽根。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/327,541 US4424001A (en) | 1981-12-04 | 1981-12-04 | Tip structure for cooled turbine rotor blade |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS61114005U true JPS61114005U (ja) | 1986-07-18 |
JPS6349522Y2 JPS6349522Y2 (ja) | 1988-12-20 |
Family
ID=23276972
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP57209471A Pending JPS58104303A (ja) | 1981-12-04 | 1982-12-01 | タ−ビンロ−タ羽根 |
JP1985189184U Expired JPS6349522Y2 (ja) | 1981-12-04 | 1985-12-10 |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP57209471A Pending JPS58104303A (ja) | 1981-12-04 | 1982-12-01 | タ−ビンロ−タ羽根 |
Country Status (9)
Country | Link |
---|---|
US (1) | US4424001A (ja) |
JP (2) | JPS58104303A (ja) |
AR (1) | AR229376A1 (ja) |
BE (1) | BE895210A (ja) |
BR (1) | BR8206920A (ja) |
CA (1) | CA1187811A (ja) |
GB (1) | GB2111131B (ja) |
IT (1) | IT1154377B (ja) |
MX (1) | MX158716A (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2018155182A (ja) * | 2017-03-17 | 2018-10-04 | 三菱重工業株式会社 | タービン動翼、及びガスタービン |
Families Citing this family (50)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4606701A (en) * | 1981-09-02 | 1986-08-19 | Westinghouse Electric Corp. | Tip structure for a cooled turbine rotor blade |
DE3308140C2 (de) * | 1983-03-08 | 1985-12-19 | MTU Motoren- und Turbinen-Union München GmbH, 8000 München | Mehrstufige Gasturbine |
US4682933A (en) * | 1984-10-17 | 1987-07-28 | Rockwell International Corporation | Labyrinthine turbine-rotor-blade tip seal |
US4863348A (en) * | 1987-02-06 | 1989-09-05 | Weinhold Wolfgang P | Blade, especially a rotor blade |
US4761116A (en) * | 1987-05-11 | 1988-08-02 | General Electric Company | Turbine blade with tip vent |
US4893987A (en) * | 1987-12-08 | 1990-01-16 | General Electric Company | Diffusion-cooled blade tip cap |
US5720431A (en) * | 1988-08-24 | 1998-02-24 | United Technologies Corporation | Cooled blades for a gas turbine engine |
US5700131A (en) * | 1988-08-24 | 1997-12-23 | United Technologies Corporation | Cooled blades for a gas turbine engine |
US5017402A (en) * | 1988-12-21 | 1991-05-21 | United Technologies Corporation | Method of coating abradable seal assembly |
US5192192A (en) * | 1990-11-28 | 1993-03-09 | The United States Of America As Represented By The Secretary Of The Air Force | Turbine engine foil cap |
US5261789A (en) * | 1992-08-25 | 1993-11-16 | General Electric Company | Tip cooled blade |
US5503527A (en) * | 1994-12-19 | 1996-04-02 | General Electric Company | Turbine blade having tip slot |
GB9607578D0 (en) * | 1996-04-12 | 1996-06-12 | Rolls Royce Plc | Turbine rotor blades |
JP3453268B2 (ja) * | 1997-03-04 | 2003-10-06 | 三菱重工業株式会社 | ガスタービン翼 |
US5927946A (en) * | 1997-09-29 | 1999-07-27 | General Electric Company | Turbine blade having recuperative trailing edge tip cooling |
US6086328A (en) * | 1998-12-21 | 2000-07-11 | General Electric Company | Tapered tip turbine blade |
US6190129B1 (en) | 1998-12-21 | 2001-02-20 | General Electric Company | Tapered tip-rib turbine blade |
US6059530A (en) * | 1998-12-21 | 2000-05-09 | General Electric Company | Twin rib turbine blade |
US6422821B1 (en) * | 2001-01-09 | 2002-07-23 | General Electric Company | Method and apparatus for reducing turbine blade tip temperatures |
US7034644B2 (en) * | 2003-01-02 | 2006-04-25 | Eaton Corporation | Non-contact auxiliary switch and electric power apparatus incorporating same |
US6824359B2 (en) * | 2003-01-31 | 2004-11-30 | United Technologies Corporation | Turbine blade |
FR2853931A1 (fr) * | 2003-04-16 | 2004-10-22 | Snecma Moteurs | Reduction de jeux dans une turbine a gaz |
US7029235B2 (en) * | 2004-04-30 | 2006-04-18 | Siemens Westinghouse Power Corporation | Cooling system for a tip of a turbine blade |
WO2007053157A2 (en) * | 2004-12-07 | 2007-05-10 | Dean Jack A | Turbine engine |
RU2425982C2 (ru) * | 2005-04-14 | 2011-08-10 | Альстом Текнолоджи Лтд | Лопатка газовой турбины |
FR2885645A1 (fr) * | 2005-05-13 | 2006-11-17 | Snecma Moteurs Sa | Aube creuse de rotor pour la turbine d'un moteur a turbine a gaz, equipee d'une baignoire |
US20070237627A1 (en) * | 2006-03-31 | 2007-10-11 | Bunker Ronald S | Offset blade tip chord sealing system and method for rotary machines |
US7513743B2 (en) * | 2006-05-02 | 2009-04-07 | Siemens Energy, Inc. | Turbine blade with wavy squealer tip rail |
US7520723B2 (en) * | 2006-07-07 | 2009-04-21 | Siemens Energy, Inc. | Turbine airfoil cooling system with near wall vortex cooling chambers |
US7686578B2 (en) * | 2006-08-21 | 2010-03-30 | General Electric Company | Conformal tip baffle airfoil |
US7607893B2 (en) * | 2006-08-21 | 2009-10-27 | General Electric Company | Counter tip baffle airfoil |
US8632311B2 (en) * | 2006-08-21 | 2014-01-21 | General Electric Company | Flared tip turbine blade |
US8500396B2 (en) * | 2006-08-21 | 2013-08-06 | General Electric Company | Cascade tip baffle airfoil |
US8512003B2 (en) * | 2006-08-21 | 2013-08-20 | General Electric Company | Tip ramp turbine blade |
US8425183B2 (en) * | 2006-11-20 | 2013-04-23 | General Electric Company | Triforial tip cavity airfoil |
US8011889B1 (en) * | 2007-09-07 | 2011-09-06 | Florida Turbine Technologies, Inc. | Turbine blade with trailing edge tip corner cooling |
GB0724612D0 (en) * | 2007-12-19 | 2008-01-30 | Rolls Royce Plc | Rotor blades |
GB0901129D0 (en) * | 2009-01-26 | 2009-03-11 | Rolls Royce Plc | Rotor blade |
US8186965B2 (en) * | 2009-05-27 | 2012-05-29 | General Electric Company | Recovery tip turbine blade |
KR101324249B1 (ko) | 2011-12-06 | 2013-11-01 | 삼성테크윈 주식회사 | 스퀼러 팁이 형성된 블레이드를 구비한 터빈 임펠러 |
EP2789799B1 (en) * | 2011-12-07 | 2020-03-18 | Mitsubishi Hitachi Power Systems, Ltd. | Turbine rotor blade, corresponding gas turbine and method for cooling a turbine rotor blade |
CA2859993C (en) * | 2011-12-29 | 2019-10-01 | Rolls-Royce North American Technologies Inc. | Gas turbine engine and turbine blade |
US9546554B2 (en) | 2012-09-27 | 2017-01-17 | Honeywell International Inc. | Gas turbine engine components with blade tip cooling |
EP2725195B1 (en) * | 2012-10-26 | 2019-09-25 | Rolls-Royce plc | Turbine blade and corresponding rotor stage |
US9835087B2 (en) | 2014-09-03 | 2017-12-05 | General Electric Company | Turbine bucket |
US10107108B2 (en) | 2015-04-29 | 2018-10-23 | General Electric Company | Rotor blade having a flared tip |
US10533429B2 (en) * | 2017-02-27 | 2020-01-14 | Rolls-Royce Corporation | Tip structure for a turbine blade with pressure side and suction side rails |
US11118462B2 (en) * | 2019-01-24 | 2021-09-14 | Pratt & Whitney Canada Corp. | Blade tip pocket rib |
US11371359B2 (en) | 2020-11-26 | 2022-06-28 | Pratt & Whitney Canada Corp. | Turbine blade for a gas turbine engine |
JP7362997B2 (ja) * | 2021-06-24 | 2023-10-18 | ドゥサン エナービリティー カンパニー リミテッド | タービンブレードおよびこれを含むタービン |
-
1981
- 1981-12-04 US US06/327,541 patent/US4424001A/en not_active Expired - Lifetime
-
1982
- 1982-11-08 CA CA000415133A patent/CA1187811A/en not_active Expired
- 1982-11-19 MX MX195258A patent/MX158716A/es unknown
- 1982-11-30 BR BR8206920A patent/BR8206920A/pt unknown
- 1982-12-01 IT IT24532/82A patent/IT1154377B/it active
- 1982-12-01 BE BE0/209619A patent/BE895210A/fr not_active IP Right Cessation
- 1982-12-01 JP JP57209471A patent/JPS58104303A/ja active Pending
- 1982-12-03 GB GB08234608A patent/GB2111131B/en not_active Expired
- 1982-12-24 AR AR291396A patent/AR229376A1/es active
-
1985
- 1985-12-10 JP JP1985189184U patent/JPS6349522Y2/ja not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2018155182A (ja) * | 2017-03-17 | 2018-10-04 | 三菱重工業株式会社 | タービン動翼、及びガスタービン |
Also Published As
Publication number | Publication date |
---|---|
GB2111131A (en) | 1983-06-29 |
BR8206920A (pt) | 1983-10-04 |
IT1154377B (it) | 1987-01-21 |
AR229376A1 (es) | 1983-07-29 |
BE895210A (fr) | 1983-06-01 |
US4424001A (en) | 1984-01-03 |
CA1187811A (en) | 1985-05-28 |
JPS58104303A (ja) | 1983-06-21 |
GB2111131B (en) | 1985-09-04 |
MX158716A (es) | 1989-03-03 |
JPS6349522Y2 (ja) | 1988-12-20 |
IT8224532A0 (it) | 1982-12-01 |
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