JP4417947B2 - ターボ機械ブレード - Google Patents
ターボ機械ブレード Download PDFInfo
- Publication number
- JP4417947B2 JP4417947B2 JP2006302189A JP2006302189A JP4417947B2 JP 4417947 B2 JP4417947 B2 JP 4417947B2 JP 2006302189 A JP2006302189 A JP 2006302189A JP 2006302189 A JP2006302189 A JP 2006302189A JP 4417947 B2 JP4417947 B2 JP 4417947B2
- Authority
- JP
- Japan
- Prior art keywords
- blade
- aerofoil
- impact
- tip
- leading edge
- 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.)
- Expired - Lifetime
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
- F01D5/16—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
- F01D5/141—Shape, i.e. outer, aerodynamic form
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D21/00—Pump involving supersonic speed of pumped fluids
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/32—Rotors specially for elastic fluids for axial flow pumps
- F04D29/321—Rotors specially for elastic fluids for axial flow pumps for axial flow compressors
- F04D29/324—Blades
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/32—Rotors specially for elastic fluids for axial flow pumps
- F04D29/38—Blades
- F04D29/384—Blades characterised by form
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/32—Rotors specially for elastic fluids for axial flow pumps
- F04D29/38—Blades
- F04D29/384—Blades characterised by form
- F04D29/386—Skewed blades
-
- 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
- F05D2220/00—Application
- F05D2220/30—Application in turbines
- F05D2220/32—Application in turbines in gas turbines
- F05D2220/327—Application in turbines in gas turbines to drive shrouded, high solidity propeller
-
- 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
- F05D2240/302—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor characteristics related to shock waves, transonic or supersonic flow
-
- 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
- F05D2250/00—Geometry
- F05D2250/70—Shape
-
- 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
- F05D2250/00—Geometry
- F05D2250/70—Shape
- F05D2250/71—Shape curved
- F05D2250/711—Shape curved convex
-
- 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
- F05D2250/00—Geometry
- F05D2250/70—Shape
- F05D2250/71—Shape curved
- F05D2250/712—Shape curved concave
-
- 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
- F05D2250/00—Geometry
- F05D2250/70—Shape
- F05D2250/71—Shape curved
- F05D2250/713—Shape curved inflexed
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Description
12…ファン翼
14…取り付け具
16…ハブ
18…回転軸
20…プラットフォーム
22,22’…(翼)エアロフォイル
24…根本
26…先端
28…翼前縁
30…翼後縁
32…圧力面
34…吸引面
40…推移点
42…ケース
46…摩擦片
48…エア
50…内翼通路
52…シャフト
54…接線
56…平面
58…平面
60…圧力波
62…反射波
64…端壁衝撃
66…通路衝撃
67…平面
70…中間領域
74…先端領域
122,122’ …前方掃引エアロフォイル
124…根本
126…先端
128…翼前縁
130…翼後縁
140…内部推移点
σ…掃引角
σ1…第1の掃引角
σ2…第2の掃引角
rt-inner…内部推移径
rt-outer…外部推移径
rtip…先端径
Claims (1)
- ケース内でブレードの少なくとも一部にわたって超音速流を生じさせる速度で回転可能なガスタービンエンジン用のブレードであって、前記ブレードの前縁は、減少しない掃引角で全体にわたって前方掃引された中間領域を有し、該中間領域は先端領域まで延び、この先端領域の前縁は該中間領域の端部での掃引角と同じ掃引角を有する場合よりも後方に移動していることを特徴とするブレード。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/559,965 US5642985A (en) | 1995-11-17 | 1995-11-17 | Swept turbomachinery blade |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP30141696A Division JP3902278B2 (ja) | 1995-11-17 | 1996-11-13 | ターボ機械ブレード |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2007032579A JP2007032579A (ja) | 2007-02-08 |
JP4417947B2 true JP4417947B2 (ja) | 2010-02-17 |
Family
ID=24235807
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP30141696A Expired - Lifetime JP3902278B2 (ja) | 1995-11-17 | 1996-11-13 | ターボ機械ブレード |
JP2006302189A Expired - Lifetime JP4417947B2 (ja) | 1995-11-17 | 2006-11-08 | ターボ機械ブレード |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP30141696A Expired - Lifetime JP3902278B2 (ja) | 1995-11-17 | 1996-11-13 | ターボ機械ブレード |
Country Status (4)
Country | Link |
---|---|
US (4) | US5642985A (ja) |
EP (4) | EP2278124A1 (ja) |
JP (2) | JP3902278B2 (ja) |
DE (3) | DE69634933T2 (ja) |
Families Citing this family (86)
Publication number | Priority date | Publication date | Assignee | Title |
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US5642985A (en) | 1995-11-17 | 1997-07-01 | United Technologies Corporation | Swept turbomachinery blade |
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US6071077A (en) * | 1996-04-09 | 2000-06-06 | Rolls-Royce Plc | Swept fan blade |
DE19812624A1 (de) * | 1998-03-23 | 1999-09-30 | Bmw Rolls Royce Gmbh | Rotor-Schaufelblatt einer Axialströmungsmaschine |
EP0957236A1 (de) * | 1998-05-15 | 1999-11-17 | Asea Brown Boveri AG | Turbinenlaufschaufel |
US6195983B1 (en) | 1999-02-12 | 2001-03-06 | General Electric Company | Leaned and swept fan outlet guide vanes |
GB9922619D0 (en) * | 1999-09-25 | 1999-11-24 | Rolls Royce Plc | A gas turbine engine blade containment assembly |
US6312219B1 (en) | 1999-11-05 | 2001-11-06 | General Electric Company | Narrow waist vane |
US6299412B1 (en) | 1999-12-06 | 2001-10-09 | General Electric Company | Bowed compressor airfoil |
US6328533B1 (en) | 1999-12-21 | 2001-12-11 | General Electric Company | Swept barrel airfoil |
US6338609B1 (en) | 2000-02-18 | 2002-01-15 | General Electric Company | Convex compressor casing |
US6561761B1 (en) | 2000-02-18 | 2003-05-13 | General Electric Company | Fluted compressor flowpath |
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US7293955B2 (en) * | 2002-09-26 | 2007-11-13 | Ramgen Power Systrms, Inc. | Supersonic gas compressor |
FR2851798B1 (fr) | 2003-02-27 | 2005-04-29 | Snecma Moteurs | Aube en fleche de turboreacteur |
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-
1995
- 1995-11-17 US US08/559,965 patent/US5642985A/en not_active Ceased
-
1996
- 1996-11-13 JP JP30141696A patent/JP3902278B2/ja not_active Expired - Lifetime
- 1996-11-15 EP EP10012698A patent/EP2278124A1/en not_active Withdrawn
- 1996-11-15 EP EP96308303A patent/EP0774567B1/en not_active Expired - Lifetime
- 1996-11-15 EP EP05008514A patent/EP1571342B1/en not_active Expired - Lifetime
- 1996-11-15 DE DE69634933T patent/DE69634933T2/de not_active Expired - Lifetime
- 1996-11-15 DE DE69622002T patent/DE69622002T2/de not_active Expired - Lifetime
- 1996-11-15 DE DE1138877T patent/DE1138877T1/de active Pending
- 1996-11-15 EP EP01112128A patent/EP1138877B1/en not_active Expired - Lifetime
-
1999
- 1999-06-30 US US09/343,736 patent/USRE38040E1/en not_active Expired - Lifetime
-
2001
- 2001-06-05 US US09/874,931 patent/USRE43710E1/en not_active Expired - Lifetime
-
2006
- 2006-11-08 JP JP2006302189A patent/JP4417947B2/ja not_active Expired - Lifetime
-
2010
- 2010-05-21 US US12/785,222 patent/USRE45689E1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE1138877T1 (de) | 2003-05-28 |
DE69622002T2 (de) | 2002-12-12 |
USRE38040E1 (en) | 2003-03-18 |
USRE43710E1 (en) | 2012-10-02 |
EP1138877B1 (en) | 2005-07-13 |
JPH09184451A (ja) | 1997-07-15 |
USRE45689E1 (en) | 2015-09-29 |
EP2278124A1 (en) | 2011-01-26 |
EP1571342A3 (en) | 2006-01-11 |
EP1571342A2 (en) | 2005-09-07 |
JP2007032579A (ja) | 2007-02-08 |
DE69622002D1 (de) | 2002-08-01 |
DE69634933D1 (de) | 2005-08-18 |
EP0774567B1 (en) | 2002-06-26 |
JP3902278B2 (ja) | 2007-04-04 |
EP0774567A1 (en) | 1997-05-21 |
EP1138877A1 (en) | 2001-10-04 |
EP1571342B1 (en) | 2012-06-27 |
DE69634933T2 (de) | 2006-05-24 |
US5642985A (en) | 1997-07-01 |
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