JP2007198377A - 被冷却鋳造部品、被冷却部品製造方法、鋳造部品表面冷却方法、およびガスタービンエンジンエアフォイル構成要素 - Google Patents
被冷却鋳造部品、被冷却部品製造方法、鋳造部品表面冷却方法、およびガスタービンエンジンエアフォイル構成要素 Download PDFInfo
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- 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
-
- 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
- B22C9/103—Multipart cores
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D7/00—Casting ingots, e.g. from ferrous metals
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- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
- F02C7/12—Cooling of plants
- F02C7/16—Cooling of plants characterised by cooling medium
- F02C7/18—Cooling of plants characterised by cooling medium the medium being gaseous, e.g. air
- F02C7/185—Cooling means for reducing the temperature of the cooling air or gas
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- 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
- F05D2230/00—Manufacture
- F05D2230/10—Manufacture by removing material
- F05D2230/12—Manufacture by removing material by spark erosion methods
-
- 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
- F05D2230/00—Manufacture
- F05D2230/10—Manufacture by removing material
- F05D2230/13—Manufacture by removing material using lasers
-
- 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
- F05D2230/00—Manufacture
- F05D2230/20—Manufacture essentially without removing material
- F05D2230/21—Manufacture essentially without removing material by casting
-
- 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
- F05D2230/00—Manufacture
- F05D2230/20—Manufacture essentially without removing material
- F05D2230/21—Manufacture essentially without removing material by casting
- F05D2230/211—Manufacture essentially without removing material by casting by precision casting, e.g. microfusing or investment casting
-
- 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
- F05D2230/00—Manufacture
- F05D2230/90—Coating; Surface treatment
-
- 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
- F05D2240/10—Stators
- F05D2240/12—Fluid guiding means, e.g. vanes
- F05D2240/121—Fluid guiding means, e.g. vanes related to the leading edge of a stator vane
-
- 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
- F05D2240/303—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 leading 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
- F05D2260/00—Function
- F05D2260/20—Heat transfer, e.g. cooling
- F05D2260/204—Heat transfer, e.g. cooling by the use of microcircuits
-
- 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
- F05D2300/00—Materials; Properties thereof
- F05D2300/60—Properties or characteristics given to material by treatment or manufacturing
- F05D2300/611—Coating
-
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
- Valve Housings (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
【解決手段】ベーンエアフォイルの壁部には、プレナム55が前縁30に沿って配設されている。空気60は、入口58からプレナム55を通流する際に直接壁部50を冷却し、出口42から正圧側34に沿って下流へと流れる際に壁部50にフィルム冷却をもたらす。プレナム主要部56の支柱部分66を貫通して、出口通路62が入口64から出口40まで延びている。支柱部の外周面70は、空気60によって冷却され、これにより、空気61が入口64と出口40の間を通過する際に空気61の加熱が制限される。したがって、空気61は出口40から流出する際には低温となっているため、フィルム冷却効果が向上する。
【選択図】図2
Description
Claims (20)
- 被冷却鋳造部品であって、
外側表面と、
少なくとも1つの入口ポートから複数の出口ポートまで延びる冷却通路システムと、
を含み、
前記通路システムは、
前記複数の出口のうち少なくとも第1の出口まで延びるとともに、少なくとも1つの支柱部分を取り囲む第1の通路と、
前記複数の出口のうち少なくとも第2の出口まで延びるとともに、前記少なくとも1つの支柱部分を貫通する第2の通路と、
を含む被冷却鋳造部品。 - 前記部品は、実質的にコーティングされた鋳造物からなることを特徴とする請求項1に記載の被冷却鋳造部品。
- 前記部品は、
ガスタービンエンジンのベーン、
ガスタービンエンジンのブレード、
ガスタービンエンジンのブレード外側エアシール、
ガスタービンエンジンの燃焼器の構成部品、
のうちの1つであることを特徴とする請求項1に記載の被冷却鋳造部品。 - 前記部品は、ニッケルベースの超合金鋳造物からなることを特徴とする請求項1に記載の被冷却鋳造部品。
- 前記部品は、タービンエンジンのエアフォイル構成要素であり、
前記第1の通路は、前縁側冷却プレナムであることを特徴とする請求項1に記載の被冷却鋳造部品。 - 翼幅方向に配列された少なくとも5つの支柱部分を含むことを特徴とする請求項5に記載の被冷却鋳造部品。
- 被冷却部品を製造する方法であって、
複数の供給通路を形成することと、
前記供給通路の少なくとも1つと連通するとともに、複数の支柱部分を有するプレナムを形成することと、
前記複数の支柱部分を貫通するとともに、少なくとも1つの供給通路と連通する出口通路を形成することと、
を含む被冷却部品製造方法。 - コアアッセンブリを覆って鋳造することと、
前記コアアッセンブリを破壊的に取り外すことと、
を含み、
前記コアアッセンブリの第1の部分により、基本的に前記供給通路が形成され、
前記コアアッセンブリの第2の部分により、前記支柱部分を取り囲む前記プレナムの少なくとも一部分が形成されることを特徴とする請求項7に記載の被冷却部品製造方法。 - 前記出口通路の形成は、前記支柱部分を通してドリル加工することを含む請求項7に記載の被冷却部品製造方法。
- 前記プレナムの形成は、前記支柱部分を画定する開口部を備えた耐熱金属ベースのコアを用いて鋳造することを含む請求項7に記載の被冷却部品製造方法。
- 前記出口通路の形成は、前記支柱部分を通してドリル加工することを含む請求項10に記載の被冷却部品製造方法。
- 前記出口通路の形成は、前記開口部を通って延びる歯部を備えた第2の耐熱金属コアを用いて鋳造することを含む請求項10に記載の被冷却部品製造方法。
- タービンエンジンのエアフォイル構成要素の鋳造に用いられ、
前記プレナムの形成が、前縁側プレナムとして前記プレナムを位置決めすることを含むことを特徴とする請求項7に記載の被冷却部品製造方法。 - ガスタービンエンジンのエアフォイル構成要素であって、
第1の端部および第2の端部と、
前縁および後縁と、
正圧側および負圧側と、
複数の第1の出口を有する前縁側プレナムを含んだ内部冷却通路システムと、
を有するエアフォイルを備え、さらに、
前記前縁側プレナムを横切って延びる少なくとも1つの支柱部分と、
前記少なくとも1つの支柱部分を貫通して少なくとも1つの第2の出口まで延びる少なくとも1つの出口通路と、
を備えることを特徴とするガスタービンエンジンエアフォイル構成要素。 - 前記構成要素は、ベーンであり、
前記第1の端部および第2の端部は、内側シュラウドセグメントおよび外側シュラウドセグメントにそれぞれ位置することを特徴とする請求項14に記載のガスタービンエンジンエアフォイル構成要素。 - 複数の支柱部分を備え、該支柱部分の各々が、対応する出口通路を有することを特徴とする請求項14に記載のガスタービンエンジンエアフォイル構成要素。
- 鋳造部品の表面を冷却する方法であって、
前記鋳造部品のチャンバ内の1つまたは複数の支柱部分の周囲を通って、1つまたは複数の第1の出口から流出するように、前記チャンバ内を通して第1の冷却流を流すことと、
1つまたは複数の第2の出口から流出し、前記部品の表面に沿ってフィルム冷却をもたらすように、前記1つまたは複数の支柱部分を通して第2の冷却流を流すことと、
を含む方法。 - 前記第1および第2の冷却流は、単一の通路から送られることを特徴とする請求項17に記載の鋳造部品表面冷却方法。
- 前記第1および第2の冷却流は、タービンエンジンのブレードまたはベーンのインピンジメント通路または供給通路の一方である単一の通路から送られることを特徴とする請求項17に記載の鋳造部品表面冷却方法。
- 前記チャンバはエアフォイルの前縁部分に沿ったプレナムであり、
前記第2の冷却流が通流する複数の支柱部分を含むことを特徴とする請求項17に記載の鋳造部品表面冷却方法。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/340,911 US7322795B2 (en) | 2006-01-27 | 2006-01-27 | Firm cooling method and hole manufacture |
Publications (2)
Publication Number | Publication Date |
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JP2007198377A true JP2007198377A (ja) | 2007-08-09 |
JP2007198377A5 JP2007198377A5 (ja) | 2008-03-27 |
Family
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Application Number | Title | Priority Date | Filing Date |
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JP2007010928A Pending JP2007198377A (ja) | 2006-01-27 | 2007-01-22 | 被冷却鋳造部品、被冷却部品製造方法、鋳造部品表面冷却方法、およびガスタービンエンジンエアフォイル構成要素 |
Country Status (7)
Country | Link |
---|---|
US (1) | US7322795B2 (ja) |
EP (1) | EP1813775B1 (ja) |
JP (1) | JP2007198377A (ja) |
KR (1) | KR20070078685A (ja) |
CN (1) | CN101008327A (ja) |
SG (1) | SG134205A1 (ja) |
TW (1) | TW200728594A (ja) |
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US11572803B1 (en) * | 2022-08-01 | 2023-02-07 | General Electric Company | Turbine airfoil with leading edge cooling passage(s) coupled via plenum to film cooling holes, and related method |
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BE755567A (fr) * | 1969-12-01 | 1971-02-15 | Gen Electric | Structure d'aube fixe, pour moteur a turbines a gaz et arrangement de reglage de temperature associe |
US5405242A (en) * | 1990-07-09 | 1995-04-11 | United Technologies Corporation | Cooled vane |
US5290143A (en) * | 1992-11-02 | 1994-03-01 | Allied Signal | Bicast vane and shroud rings |
US5779437A (en) * | 1996-10-31 | 1998-07-14 | Pratt & Whitney Canada Inc. | Cooling passages for airfoil leading edge |
US5931638A (en) | 1997-08-07 | 1999-08-03 | United Technologies Corporation | Turbomachinery airfoil with optimized heat transfer |
US7281895B2 (en) * | 2003-10-30 | 2007-10-16 | Siemens Power Generation, Inc. | Cooling system for a turbine vane |
US6929054B2 (en) | 2003-12-19 | 2005-08-16 | United Technologies Corporation | Investment casting cores |
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2006
- 2006-01-27 US US11/340,911 patent/US7322795B2/en active Active
- 2006-06-02 TW TW095119739A patent/TW200728594A/zh unknown
- 2006-07-11 KR KR1020060064901A patent/KR20070078685A/ko active IP Right Grant
- 2006-08-07 SG SG200605326-8A patent/SG134205A1/en unknown
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- 2007-01-24 EP EP07250282.6A patent/EP1813775B1/en active Active
- 2007-01-26 CN CNA2007100061734A patent/CN101008327A/zh active Pending
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EP1813775A2 (en) | 2007-08-01 |
EP1813775B1 (en) | 2016-07-06 |
CN101008327A (zh) | 2007-08-01 |
KR20070078685A (ko) | 2007-08-01 |
SG134205A1 (en) | 2007-08-29 |
US20070177975A1 (en) | 2007-08-02 |
US7322795B2 (en) | 2008-01-29 |
TW200728594A (en) | 2007-08-01 |
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