JP2021162016A - 可変厚さの遮熱コーティングを有するターボ機械翼形部 - Google Patents
可変厚さの遮熱コーティングを有するターボ機械翼形部 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
- F01D5/141—Shape, i.e. outer, aerodynamic form
-
- 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
- F01D5/28—Selecting particular materials; Particular measures relating thereto; Measures against erosion or corrosion
- F01D5/286—Particular treatment of blades, e.g. to increase durability or resistance against corrosion or erosion
-
- 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
- F01D5/28—Selecting particular materials; Particular measures relating thereto; Measures against erosion or corrosion
- F01D5/288—Protective coatings for blades
-
- 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
- F02C3/00—Gas-turbine plants characterised by the use of combustion products as the working fluid
- F02C3/04—Gas-turbine plants characterised by the use of combustion products as the working fluid having a turbine driving a compressor
-
- 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
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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
- F05D2260/00—Function
- F05D2260/20—Heat transfer, e.g. cooling
- F05D2260/231—Preventing heat transfer
-
- 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
-
- 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
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- 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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- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Architecture (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
【解決手段】翼形部(100)は、それらの間に翼形部(100)のスパン(128)を画定する根元(102)および先端(104)を含む。翼形部(100)はまた、前縁(124)と、流れ方向に沿って前縁(124)の下流にある後縁(126)とを含む。前縁(124)および後縁(126)は各々、根元(102)から先端(104)まで翼形部(100)のスパン(128)にわたって延びる。翼形部(100)は、正圧側面(120)と、負圧側面(122)とをさらに含む。翼形部(100)はまた、正圧側面(120)および負圧側面(122)上の遮熱コーティング(108)を含む。遮熱コーティング(108)は、ベース層(110)およびトップコート(112)を含む。ベース層(110)の厚さは、前縁(124)におけるベース層(110)の最大厚さを伴って正圧側面(120)および負圧側面(122)の各々にわたって変化する。
【選択図】図2
Description
12 入口セクション
14 圧縮機セクション
16 燃焼器セクション
18 タービンセクション
20 排気セクション
22 シャフト
24 ロータディスク
26 ロータブレード
28 ロータディスク
29 ステータベーン
30 ロータブレード
31 外側ケーシング
32 高温ガス経路
34 燃焼ガス
100 翼形部
102 根元
104 先端
106 基材
107 外面
108 遮熱コーティング
110 ベース層
112 トップコート
114 ボンドコート
118 キャンバ線
120 正圧側面
122 負圧側面
124 前縁
126 後縁
128 スパン
130 高衝撃ゾーン、領域
132 第1の中間ゾーン
134 第2の中間ゾーン
136 後方ゾーン
Claims (15)
- ターボ機械用の翼形部(100)であって、
根元(102)と、
前記根元(102)から半径方向外側に離間した先端(104)であって、前記根元(102)および前記先端(104)は、それらの間に前記翼形部(100)のスパン(128)を画定する先端(104)と、
前記根元(102)から前記先端(104)まで前記翼形部(100)の前記スパン(128)にわたって延びる前縁(124)と、
流れ方向に沿って前記前縁(124)の下流にある後縁(126)であって、前記根元(102)から前記先端(104)まで前記翼形部(100)の前記スパン(128)にわたって延びる後縁(126)と、
前記根元(102)と前記先端(104)との間に延び、前記前縁(124)と前記後縁(126)との間に延びる正圧側面(120)と、
前記根元(102)と前記先端(104)との間に延び、前記前縁(124)と前記後縁(126)との間に延びる負圧側面(122)であって、前記正圧側面(120)に対向する負圧側面(122)と、
前記正圧側面(120)および前記負圧側面(122)上の遮熱コーティング(108)であって、前記遮熱コーティング(108)は、ベース層(110)およびトップコート(112)を備え、前記ベース層(110)の厚さは、前記前縁(124)における前記ベース層(110)の最大厚さを伴って前記正圧側面(120)および前記負圧側面(122)の各々にわたって変化する遮熱コーティング(108)と
を備える、翼形部(100)。 - 前記ベース層(110)の前記厚さは、前記正圧側面(120)および前記負圧側面(122)の各々にわたって前記前縁(124)から前記後縁(126)に向かって連続的に先細になる、請求項1に記載の翼形部(100)。
- 前記前縁(124)における前記ベース層(110)の前記厚さは、前記前縁(124)における前記トップコート(112)の厚さよりも大きい、請求項1に記載の翼形部(100)。
- 前記後縁(126)に近接する前記ベース層(110)の前記厚さは、前記後縁(126)に近接する前記トップコート(112)の厚さよりも小さい、請求項1に記載の翼形部(100)。
- 前記前縁(124)にトップコート(112)がない、請求項1に記載の翼形部(100)。
- 前記遮熱コーティング(108)の前記総厚は、前記正圧側面(120)および前記負圧側面(122)の各々において前記翼形部(100)の大部分にわたって前記前縁(124)から前記後縁(126)への方向に沿って一定である、請求項1に記載の翼形部(100)。
- 前記ベース層(110)の前記厚さは、前記翼形部(100)の前記スパン(128)にわたって変化する、請求項1に記載の翼形部(100)。
- 基材(106)をさらに備え、前記遮熱コーティング(108)は、前記基材(106)の外面(107)上に形成される、請求項1に記載の翼形部(100)。
- 前記基材(106)の前記外面(107)上に直接形成されたボンドコート(114)をさらに備え、前記遮熱コーティング(108)は、前記ボンドコート(114)上に直接形成される、請求項8に記載の翼形部(100)。
- 前記基材(106)は、金属材料を含み、前記遮熱コーティング(108)は、セラミック材料を含む、請求項8に記載の翼形部(100)。
- 圧縮機と、
前記圧縮機の下流に配置された燃焼器と、
前記燃焼器の下流に配置されたタービンとを備え、前記タービンは、ロータブレード(30)およびステータベーン(29)を備え、前記ロータブレード(30)および前記ステータベーン(29)の少なくとも一方は、翼形部(100)を備え、前記翼形部(100)は、
根元(102)と、
前記根元(102)から半径方向外側に離間した先端(104)であって、前記根元(102)および前記先端(104)は、それらの間に前記翼形部(100)のスパン(128)を画定する先端(104)と、
前記根元(102)から前記先端(104)まで前記翼形部(100)の前記スパン(128)にわたって延びる前縁(124)と、
流れ方向に沿って前記前縁(124)の下流にある後縁(126)であって、前記根元(102)から前記先端(104)まで前記翼形部(100)の前記スパン(128)にわたって延びる後縁(126)と、
前記根元(102)と前記先端(104)との間に延び、前記前縁(124)と前記後縁(126)との間に延びる正圧側面(120)と、
前記根元(102)と前記先端(104)との間に延び、前記前縁(124)と前記後縁(126)との間に延びる負圧側面(122)であって、前記正圧側面(120)に対向する負圧側面(122)と、
前記正圧側面(120)および前記負圧側面(122)上の遮熱コーティング(108)であって、前記遮熱コーティング(108)は、ベース層(110)およびトップコート(112)を備え、前記ベース層(110)の厚さは、前記前縁(124)における前記ベース層(110)の最大厚さを伴って前記正圧側面(120)および前記負圧側面(122)の各々にわたって変化する遮熱コーティング(108)と
を備える、
ターボ機械。 - 前記ベース層(110)の前記厚さは、前記正圧側面(120)および前記負圧側面(122)の各々にわたって前記前縁(124)から前記後縁(126)に向かって連続的に先細になる、請求項11に記載のターボ機械。
- 前記前縁(124)における前記ベース層(110)の前記厚さは、前記前縁(124)における前記トップコート(112)の厚さよりも大きい、請求項11に記載のターボ機械。
- 前記後縁(126)に近接する前記ベース層(110)の前記厚さは、前記後縁(126)に近接する前記トップコート(112)の厚さよりも小さい、請求項11に記載のターボ機械。
- 前記前縁(124)にトップコート(112)がない、請求項11に記載のターボ機械。
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US11629603B2 (en) | 2023-04-18 |
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EP3889393A1 (en) | 2021-10-06 |
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