JP6506512B2 - セクションピンを備えるタービンブレード - Google Patents
セクションピンを備えるタービンブレード Download PDFInfo
- Publication number
- JP6506512B2 JP6506512B2 JP2014150314A JP2014150314A JP6506512B2 JP 6506512 B2 JP6506512 B2 JP 6506512B2 JP 2014150314 A JP2014150314 A JP 2014150314A JP 2014150314 A JP2014150314 A JP 2014150314A JP 6506512 B2 JP6506512 B2 JP 6506512B2
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- JP
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- Prior art keywords
- turbine blade
- pressure
- cradle
- gap
- sides
- 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.)
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- 239000000919 ceramic Substances 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 9
- 238000003491 array Methods 0.000 claims description 8
- 239000002826 coolant Substances 0.000 claims description 5
- 238000009826 distribution Methods 0.000 claims description 3
- 241000080590 Niso Species 0.000 claims 2
- 238000004519 manufacturing process Methods 0.000 description 6
- 239000000567 combustion gas Substances 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 239000004606 Fillers/Extenders Substances 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001746 injection moulding 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
- F01D5/16—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
- F01D5/18—Hollow blades, i.e. blades with cooling or heating channels or cavities; Heating, heat-insulating or cooling means on blades
- F01D5/187—Convection cooling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/10—Cores; Manufacture or installation of cores
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/22—Moulds for peculiarly-shaped castings
- B22C9/24—Moulds for peculiarly-shaped castings for hollow articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
- B23P15/04—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass turbine or like blades from several pieces
-
- 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
- F01D5/147—Construction, i.e. structural features, e.g. of weight-saving hollow blades
-
- 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
-
- 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
- F01D5/186—Film cooling
-
- 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
- F05D2240/304—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor related to the trailing edge of a rotor blade
-
- 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
- F05D2240/305—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor related to the pressure side of a rotor blade
-
- 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
- F05D2240/306—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor related to the suction side of a rotor blade
-
- 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
- F05D2260/20—Heat transfer, e.g. cooling
- F05D2260/221—Improvement of heat transfer
- F05D2260/2212—Improvement of heat transfer by creating turbulence
-
- 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
- F05D2260/20—Heat transfer, e.g. cooling
- F05D2260/221—Improvement of heat transfer
- F05D2260/2214—Improvement of heat transfer by increasing the heat transfer surface
-
- 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
- F05D2260/20—Heat transfer, e.g. cooling
- F05D2260/221—Improvement of heat transfer
- F05D2260/2214—Improvement of heat transfer by increasing the heat transfer surface
- F05D2260/22141—Improvement of heat transfer by increasing the heat transfer surface using fins or ribs
-
- 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
- F05D2260/961—Preventing, counteracting or reducing vibration or noise by mistuning rotor blades or stator vanes with irregular interblade spacing, airfoil shape
-
- 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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49316—Impeller making
- Y10T29/49336—Blade making
- Y10T29/49337—Composite blade
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Architecture (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Description
11 圧力面
111 内部面
12 負圧面
121 内部面
13 前縁
14 後縁
15 内部
16 バッフル
17 通路
18 空洞
180 後縁空洞
20 第一架台アレイ
21 架台(第一の複数の架台)
22 個別架台
220 個別伸長架台
30 第二架台アレイ
31 架台(第二の複数の架台)
32 個別架台
320 個別伸長架台
40 間隙
50 平均反り線
Claims (10)
- タービンブレードにおいて、
冷却剤がその中を通過可能な内部を画定するために接続された圧力及び負圧面と、
第一及び第二架台アレイであって、その各々が、前記圧力及び負圧面のうちの1つのそれぞれの内部面の半径方向外側部分にそれぞれ結合された架台を含む、第一及び第二架台アレイと、
を備え、
前記第一架台アレイの架台は、前記第二架台アレイの架台から、それらの間にそれぞれ画定された間隙によって分離しており、
前記間隙は、
前記タービンブレードの反り線の片側に、又は、
前記タービンブレードの反り線の両側に、若しくはこれに沿って、
それぞれ画定された、
タービンブレード。 - 前記第一架台アレイの架台は、前記タービンブレードの全わたりに沿った前記圧力面の前記内部面の部分にそれぞれ結合されており、
前記第二架台アレイの架台は、前記タービンブレードの全わたりに沿った前記負圧面の前記内部面の部分にそれぞれ結合されている、
請求項1に記載のタービンブレード。 - 前記間隙は、約0.03インチ幅である、請求項1又は2に記載のタービンブレード。
- 前記間隙は、前記タービンブレードの反り線の両側にそれぞれ画定され、
隣り合う間隙は、前記反り線の対向する側にそれぞれ画定された、
請求項1から3のいずれかに記載のタービンブレード。 - 前記間隙は、前記タービンブレードの反り線の両側に、若しくはこれに沿ってそれぞれ画定され、
前記反り線の各側にそれぞれ画定された間隔の分布が無作為である、
請求項1から3のいずれかに記載のタービンブレード。 - タービンブレードにおいて、
冷却剤がその中を通過可能な内部を画定するために接続された圧力及び負圧面と、
第一及び第二架台アレイと、
を備え、
前記第一及び第二架台アレイの各々は、
前記圧力及び負圧面のうちの1つのそれぞれの内部面にそれぞれ結合された伸長架台と、
前記圧力及び負圧面のうちの1つのそれぞれの内部面の半径方向外側部分にそれぞれ結合された架台と、
を含み、
前記第一架台アレイの架台は、前記第二架台アレイの架台から、それらの間にそれぞれ画定された間隙によって、分離しており、
前記間隙は、
前記タービンブレードの反り線の片側に、又は、
前記タービンブレードの反り線の両側に、若しくはこれに沿って、
それぞれ画定された、
タービンブレード。 - 前記第一架台アレイの架台は、前記タービンブレードの全わたりに沿った前記圧力面の前記内部面の部分にそれぞれ結合されており、
前記第二架台アレイの架台は、前記タービンブレードの全わたりに沿った前記負圧面の前記内部面の部分にそれぞれ結合されている、
請求項6に記載のタービンブレード。 - 前記間隙は、前記タービンブレードの反り線の両側にそれぞれ画定され、
隣り合う間隙は、前記反り線の対向する側にそれぞれ画定された、
請求項7に記載のタービンブレード。 - 前記間隙は、前記タービンブレードの反り線の両側に、若しくはこれに沿ってそれぞれ画定され、
前記反り線の各側にそれぞれ画定された間隔の分布が無作為である、
請求項7に記載のタービンブレード。 - タービンブレードを形成する方法において、
間隙形成コア部分によって架台形成陥凹から分離された架台形成陥凹を有する長尺要素を含む空洞形成セラミックコアを作成するステップと、
圧力及び負圧側が前記架台形成陥凹内に形成された架台を含むように、前記長尺要素のいずれかの側に前記タービンブレードの前記圧力及び負圧側を形成するステップと、
前記間隙形成コア部分と類似の寸法を有する間隙によって前記圧力側架台が前記負圧側架台から分離されるように、前記タービンブレードの前記圧力及び負圧側を組み合わせるステップと、
を備え、
前記間隙は、
前記タービンブレードの反り線の片側に、又は、
前記タービンブレードの反り線の両側に、若しくはこれに沿って、
それぞれ画定された、
方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/955,679 | 2013-07-31 | ||
US13/955,679 US9695696B2 (en) | 2013-07-31 | 2013-07-31 | Turbine blade with sectioned pins |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2015031284A JP2015031284A (ja) | 2015-02-16 |
JP6506512B2 true JP6506512B2 (ja) | 2019-04-24 |
Family
ID=52342065
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2014150314A Active JP6506512B2 (ja) | 2013-07-31 | 2014-07-24 | セクションピンを備えるタービンブレード |
Country Status (4)
Country | Link |
---|---|
US (1) | US9695696B2 (ja) |
JP (1) | JP6506512B2 (ja) |
CH (1) | CH708438B1 (ja) |
DE (1) | DE102014110331A1 (ja) |
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EP3192970A1 (en) * | 2016-01-15 | 2017-07-19 | General Electric Technology GmbH | Gas turbine blade and manufacturing method |
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EP3279432A1 (en) * | 2016-08-04 | 2018-02-07 | Siemens Aktiengesellschaft | Aerofoil with one or more pedestals having dimpled surface for cooling |
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US8066483B1 (en) | 2008-12-18 | 2011-11-29 | Florida Turbine Technologies, Inc. | Turbine airfoil with non-parallel pin fins |
US20120076660A1 (en) | 2010-09-28 | 2012-03-29 | Spangler Brandon W | Conduction pedestals for a gas turbine engine airfoil |
US9017025B2 (en) | 2011-04-22 | 2015-04-28 | Siemens Energy, Inc. | Serpentine cooling circuit with T-shaped partitions in a turbine airfoil |
US8807945B2 (en) | 2011-06-22 | 2014-08-19 | United Technologies Corporation | Cooling system for turbine airfoil including ice-cream-cone-shaped pedestals |
-
2013
- 2013-07-31 US US13/955,679 patent/US9695696B2/en active Active
-
2014
- 2014-07-22 DE DE201410110331 patent/DE102014110331A1/de active Pending
- 2014-07-24 JP JP2014150314A patent/JP6506512B2/ja active Active
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DE102014110331A1 (de) | 2015-02-05 |
CH708438A8 (de) | 2015-06-15 |
CH708438B1 (de) | 2018-11-30 |
US9695696B2 (en) | 2017-07-04 |
CH708438A2 (de) | 2015-02-13 |
JP2015031284A (ja) | 2015-02-16 |
US20150037165A1 (en) | 2015-02-05 |
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