JP2024018998A - インピンジメント冷却通路を有するターボ機械エアフォイル - Google Patents
インピンジメント冷却通路を有するターボ機械エアフォイル Download PDFInfo
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Classifications
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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
- F01D9/00—Stators
- F01D9/02—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles
- F01D9/04—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles forming ring or sector
- F01D9/041—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles forming ring or sector using 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
- F01D5/187—Convection cooling
-
- 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
- F01D9/00—Stators
- F01D9/06—Fluid supply conduits to nozzles or the like
- F01D9/065—Fluid supply or removal conduits traversing the working fluid flow, e.g. for lubrication-, cooling-, or sealing fluids
-
- 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
- F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
- F01D25/08—Cooling; Heating; Heat-insulation
- F01D25/12—Cooling
-
- 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
- F01D9/00—Stators
- F01D9/02—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles
- F01D9/023—Transition ducts between combustor cans and first stage of the turbine in gas-turbine engines; their cooling or sealings
-
- 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
- F01D9/00—Stators
- F01D9/06—Fluid supply conduits to nozzles or the like
-
- 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
- F05D2220/31—Application in turbines in steam turbines
-
- 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
-
- 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
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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
- F05D2240/00—Components
- F05D2240/10—Stators
- F05D2240/12—Fluid guiding means, e.g. vanes
- F05D2240/123—Fluid guiding means, e.g. vanes related to the pressure side of a stator vane
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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
- F05D2250/00—Geometry
- F05D2250/10—Two-dimensional
- F05D2250/18—Two-dimensional patterned
- F05D2250/183—Two-dimensional patterned zigzag
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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
- F05D2250/00—Geometry
- F05D2250/10—Two-dimensional
- F05D2250/18—Two-dimensional patterned
- F05D2250/184—Two-dimensional patterned sinusoidal
-
- 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
- F05D2250/10—Two-dimensional
- F05D2250/18—Two-dimensional patterned
- F05D2250/185—Two-dimensional patterned serpentine-like
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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
- F05D2250/00—Geometry
- F05D2250/20—Three-dimensional
- F05D2250/21—Three-dimensional pyramidal
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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
- F05D2250/00—Geometry
- F05D2250/20—Three-dimensional
- F05D2250/23—Three-dimensional prismatic
-
- 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
- F05D2250/30—Arrangement of components
- F05D2250/32—Arrangement of components according to their shape
- F05D2250/323—Arrangement of components according to their shape convergent
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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
- F05D2250/00—Geometry
- F05D2250/70—Shape
- F05D2250/71—Shape curved
- F05D2250/713—Shape curved inflexed
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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
- F05D2260/201—Heat transfer, e.g. cooling by impingement of a fluid
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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
- F05D2260/202—Heat transfer, e.g. cooling by film cooling
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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
- F05D2260/204—Heat transfer, e.g. cooling by the use of microcircuits
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Abstract
Description
[実施形態1]
第1の態様によれば、エアフォイルは、前縁、後縁、基部および先端と、前記前縁、前記後縁、前記基部および前記先端の間に延びる正圧側壁および負圧側壁と、前記エアフォイル内に画定され、前記基部または前記先端の一方の入口から延びる複数の通路とを含む。前記複数の通路の各通路が、一次インピンジメント壁およびソリッド側壁によって少なくとも部分的に画定される。前記一次インピンジメント壁は、一次インピンジメントギャップがその間に画定されるように、前記正圧側壁または前記負圧側壁の一方から間隔を置いて配置される。前記一次インピンジメント壁は、前記インピンジメントギャップを横切って前記エアフォイルの内面に衝突するように離散的な噴流の空気を導く複数のインピンジメント開口を画定する。
[実施形態2]
前記複数の通路の各通路は、前記基部または前記先端の一方における入口から、前記基部または前記先端の他方における閉鎖端まで延びている、実施形態1に記載のエアフォイル。
[実施形態3]
前記複数の通路の各通路は、通路が前記入口と前記閉鎖端との間を延びるにつれて断面積が収束する、実施形態1または2に記載のエアフォイル。
[実施形態4]
前記複数の通路の入口は、前記エアフォイルの前縁から後縁に延びる方向に関して、前記エアフォイルの前記基部または前記先端の一方に交互のパターンで画定される、実施形態1乃至3のいずれかに記載のエアフォイル。
[実施形態5]
部分的に収集チャンバを画定する負圧側二次インピンジメント壁および正圧側二次インピンジメント壁をさらに含む、実施形態1乃至4のいずれかに記載のエアフォイル。
[実施形態6]
前記複数の通路のうちの第1の通路のソリッド側壁と、前記複数の通路のうちの隣接する第2の通路のソリッド側壁とが、前記一次インピンジメントギャップと前記収集チャンバとの間に延びる収集通路を集合的に画定する、実施形態1乃至5のいずれかに記載のエアフォイル。
[実施形態7]
前記負圧側二次インピンジメント壁が、複数の通路の前縁通路のソリッド側壁から前記後縁に向かって延在し、前記負圧側二次インピンジメント壁が、前記二次インピンジメントギャップがその間に画定されるように前記負圧側壁から間隔を空けて配置され、複数のインピンジメント開口が、前記負圧側二次インピンジメント壁に画定され、前記二次インピンジメントギャップを横切って前記負圧側壁の内面に衝突するように、離散的な噴流で前記収集チャンバからの空気を導く、実施形態1乃至6のいずれかに記載のエアフォイル。
[実施形態8]
前記正圧側二次インピンジメント壁が、前記複数の通路の後端通路のソリッド側壁から前記後縁に向かって延びており、前記正圧側二次インピンジメント壁が、二次インピンジメントギャップがその間に画定されるように前記正圧側壁から間隔を置いて配置され、前記複数のインピンジメント開口が、前記正圧側二次インピンジメント壁に画定され、前記収集チャンバからの空気を、前記二次インピンジメントギャップを横切って前記正圧側壁の内面に衝突するように離散的な噴流で導く、実施形態1乃至7のいずれかに記載のエアフォイル。
[実施形態9]
前記一次インピンジメント壁は、前記正圧側壁に対応するように輪郭が付けられている、実施形態1乃至8のいずれかに記載のエアフォイル。
[実施形態10]
前記エアフォイルが一体的に形成されている、実施形態1乃至9のいずれかに記載のエアフォイル。
[実施形態11]
ステータベーンであって、内側プラットフォームと、外側プラットフォームと、前記内側プラットフォームに結合された基部と前記外側プラットフォームに結合された先端との間に延在するエアフォイルと、を備え、前記エアフォイルは、前縁および後縁と、前記前縁、前記後縁、前記基部および前記先端の間に延びる正圧側壁および負圧側壁と、前記エアフォイル内に画定され、前記基部または前記先端の一方の入口から延びる複数の通路とを含み、前記複数の通路の各通路は、一次インピンジメント壁およびソリッド側壁によって少なくとも部分的に画定され、前記一次インピンジメント壁は、一次インピンジメントギャップがその間に画定されるように、前記正圧側壁または前記負圧側壁の一方から間隔を置いて配置され、前記一次インピンジメント壁は、前記インピンジメントギャップを横切って前記エアフォイルの内面に衝突するように離散的な噴流の空気を導く複数のインピンジメント開口を画定する、ステータベーン。
[実施形態12]
前記複数の通路の各通路は、前記基部または前記先端の一方における入口から、前記基部または前記先端の他方における閉鎖端まで延びている、実施形態11に記載のステータベーン。
[実施形態13]
前記複数の通路の各通路は、通路が前記入口から前記閉鎖端まで延びるにつれて断面積が収束する、実施形態11または12に記載のステータベーン。
[実施形態14]
前記複数の通路の前記入口は、前記エアフォイルの前記前縁から前記後縁に延びる方向に関して、前記エアフォイルの前記基部または前記先端の一方に交互のパターンで画定される、実施形態11乃至13のいずれかに記載のステータベーン。
[実施形態15]
前記エアフォイルが、前記収集チャンバを部分的に画定する負圧側二次インピンジメント壁および正圧側二次インピンジメント壁をさらに含む、実施形態11乃至14のいずれかに記載のステータベーン。
[実施形態16]
前記複数の通路のうちの第1の通路の側壁と、前記複数の通路のうちの第2の通路のソリッド側壁とが、前記一次インピンジメントギャップと前記収集通路との間に延びる収集通路を集合的に画定する、実施形態11乃至15のいずれかに記載のステータベーン。
[実施形態17]
前記負圧側二次インピンジメント壁が、前記複数の通路の前縁通路のソリッド側壁から前記後縁に向かって延びており、前記負圧側二次インピンジメント壁が、二次インピンジメントギャップがその間に画定されるように前記負圧側壁から間隔を空けて配置され、前記複数のインピンジメント開口が、前記負圧側二次インピンジメント壁に画定され、前記二次インピンジメントギャップを横切って前記負圧側壁の内面に衝突するように、離散的な噴流で収集チャンバからの空気を導く、実施形態11乃至16のいずれかに記載のステータベーン。
[実施形態18]
前記正圧側二次インピンジメント壁が、前記複数の通路の後端通路のソリッド側壁から前記後縁に向かって延びており、前記正圧側二次インピンジメント壁が、二次インピンジメントギャップがその間に画定されるように前記正圧側壁から間隔を置いて配置され、前記複数のインピンジメント開口が、前記正圧側二次インピンジメント壁に画定され、前記収集チャンバからの空気を、前記二次インピンジメントギャップを横切って前記正圧側壁の内面に衝突するように離散的な噴流で導く、実施形態11乃至17のいずれかに記載のステータベーン。
[実施形態19]
前記一次インピンジメント壁は、前記正圧側壁に対応するように輪郭が付けられて、実施形態11乃至18のいずれかに記載のステータベーン。
[実施形態20]
前記エアフォイルが一体的に形成されている、実施形態11乃至19のいずれかに記載のステータベーン。
Claims (14)
- エアフォイル(56、106)であって、
前縁(112)、後縁(114)、基部(108)、および先端(110)と、
前縁(112)、後縁(114)、基部(108)および先端(110)の間に延びる正圧側壁(116)および負圧側壁(118)と、
エアフォイル(56、106)内に画定され、基部(108)または先端(110)の一方の入口(124)から延びる複数の通路(122)と、
を含み、
複数の通路(122)の各通路(122)が、一次インピンジメント壁(138)およびソリッド側壁(140)によって少なくとも部分的に画定され、
一次インピンジメント壁(138)は、一次インピンジメントギャップ(142)がその間に画定されるように、正圧側壁(116)または負圧側壁(118)の一方から間隔を空けて配置され、
一次インピンジメント壁(138)は、一次インピンジメントギャップ(142)を横切って離散的な噴流で空気をエアフォイル(56、106)の内面に衝突させる複数のインピンジメント開口(146)を画定する、エアフォイル(56、106)。 - 複数の通路(122)の各通路(122)は、基部(108)又は先端(110)の一方における入口(124)から、基部(108)又は先端(110)の他方における閉鎖端(126)まで延びている、請求項1に記載のエアフォイル(56、106)。
- 複数の通路(122)の各通路(122)は、通路(122)が入口(124)と閉鎖端(126)との間を延びるにつれて断面積が収束する、請求項2に記載のエアフォイル(56、106)。
- 複数の通路(122)の入口(124)は、エアフォイル(56、106)の前縁(112)から後縁(114)へ延びる方向に関して、エアフォイル(56、106)の基部(108)または先端(110)の一方に交互のパターンで画定されている、請求項1に記載のエアフォイル(56、106)。
- 収集チャンバ(152)を部分的に画定する負圧側二次インピンジメント壁(148)および正圧側二次インピンジメント壁(150)をさらに含む、請求項1に記載のエアフォイル(56、106)。
- 複数の通路(122)のうちの第1の通路(122)のソリッド側壁(140)と、複数の通路(122)のうちの隣接する第2の通路(122)のソリッド側壁(140)とが、集合的に、一次インピンジメントギャップ(142)と収集チャンバ(152)との間に延びる収集通路(154)を画定する、請求項5に記載のエアフォイル(56、106)。
- 負圧側二次インピンジメント壁(148)が、複数の通路(122)の前縁通路(132)のソリッド側壁(140)から後縁(114)に向かって延び、
負圧側二次インピンジメント壁(148)が、二次インピンジメントギャップ(158)がその間に画定されるように、負圧側壁(118)から間隔を置いて配置され、
複数のインピンジメント開口(160)が、負圧側二次インピンジメント壁(148)に画定され、二次インピンジメントギャップ(158)を横切って負圧側壁(118)の内面に衝突するように、離散的な噴流で収集チャンバ(152)からの空気を導く、請求項5に記載のエアフォイル(56、106)。 - 正圧側二次インピンジメント壁(150)が、複数の通路(122)の後端通路(134)のソリッド側壁(140)から後縁(114)に向かって延び、
正圧側二次インピンジメント壁(150)が、二次インピンジメントギャップ(162)がその間に画定されるように、正圧側壁(116)から間隔を置いて配置され、
複数のインピンジメント開口(164)が、正圧側二次インピンジメント壁(150)に画定され、収集チャンバ(152)からの空気を、二次インピンジメントギャップ(162)を横切って正圧側壁(116)の内面に衝突するように離散的な噴流で方向付ける、請求項5に記載のエアフォイル(56、106)。 - 後縁冷却回路166が、エアフォイル(56、106)の後縁部分156内に配置され、後縁冷却回路(166)が、二次インピンジメントギャップ(162)に流体結合され、二次インピンジメントギャップ(162)からエアフォイル(56、106)の後縁(114)における出口(168)まで延びている、請求項8に記載のエアフォイル(56、106)。
- 1つまたは複数のフィルム冷却孔(176)が、正圧側壁(116)または負圧側壁(118)を貫通して画定されており、1つまたは複数のフィルム冷却孔(176)が、一次インピンジメントギャップ(142)および二次インピンジメントギャップ(162)のうちの1つと流体連通している、請求項8に記載のエアフォイル(56,106)。
- 一次インピンジメント壁(138)が、正圧側壁(116)に対応するように輪郭付けされている、請求項1に記載のエアフォイル(56、106)。
- エアフォイル(56、106)が一体的に形成されている、請求項1に記載のエアフォイル(56、106)。
- ステータベーン(26、100)であって、
内側プラットフォーム(52、102)と、
外側プラットフォーム(54、104)と、
内側プラットフォーム(52、102)に結合された基部(108)と外側プラットフォーム(54、104)に結合された先端(110)との間に延在するエアフォイル(56、106)と、
を含み、エアフォイル(56、106)は、請求項1乃至12のいずれかからに従って画定される、ステータベーン(26、100)。 - ステータベーン(26、100)が、ガスタービンエンジン(10)のタービンセクション(22)の第1ステージに設置されるように構成されている、請求項13に記載のステータベーン(26、100)。
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2023
- 2023-06-26 EP EP23181374.2A patent/EP4311913A1/en active Pending
- 2023-06-29 JP JP2023107434A patent/JP2024018998A/ja active Pending
- 2023-06-30 CN CN202310789161.2A patent/CN117514367A/zh active Pending
- 2023-07-05 KR KR1020230086907A patent/KR20240016880A/ko unknown
Also Published As
Publication number | Publication date |
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CN117514367A (zh) | 2024-02-06 |
US11767766B1 (en) | 2023-09-26 |
KR20240016880A (ko) | 2024-02-06 |
EP4311913A1 (en) | 2024-01-31 |
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