JP7486942B2 - タービンエンジン用のハイブリッドロータブレード - Google Patents
タービンエンジン用のハイブリッドロータブレード Download PDFInfo
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- JP7486942B2 JP7486942B2 JP2019226540A JP2019226540A JP7486942B2 JP 7486942 B2 JP7486942 B2 JP 7486942B2 JP 2019226540 A JP2019226540 A JP 2019226540A JP 2019226540 A JP2019226540 A JP 2019226540A JP 7486942 B2 JP7486942 B2 JP 7486942B2
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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
- 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
- F01D5/141—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
- F01D5/22—Blade-to-blade connections, e.g. for damping vibrations
- F01D5/225—Blade-to-blade connections, e.g. for damping vibrations by shrouding
-
- 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
-
- 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
- F01D5/282—Selecting composite materials, e.g. blades with reinforcing filaments
-
- 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
- F01D5/284—Selection of ceramic materials
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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
- 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
- F05D2240/20—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
- F05D2240/307—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 tip 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
- F05D2260/30—Retaining components in desired mutual position
- F05D2260/36—Retaining components in desired mutual position by a form fit connection, e.g. by interlocking
-
- 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
- F05D2300/10—Metals, alloys or intermetallic compounds
- F05D2300/17—Alloys
- F05D2300/175—Superalloys
-
- 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
- F05D2300/10—Metals, alloys or intermetallic compounds
- F05D2300/17—Alloys
- F05D2300/177—Ni - Si alloys
-
- 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
- F05D2300/20—Oxide or non-oxide ceramics
-
- 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
- F05D2300/603—Composites; e.g. fibre-reinforced
- F05D2300/6033—Ceramic matrix composites [CMC]
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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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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Architecture (AREA)
- Composite Materials (AREA)
- Ceramic Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Description
11 圧縮機
12 タービン
13 燃焼器
14 圧縮機ロータブレード
15 圧縮機ステータブレード
16 タービンロータブレード
17 タービンステータブレード
19 共通中心軸
21 根元部
22 コネクタ
23 シャンク
24 プラットフォーム
25 翼形部
26 正圧面、表面
27 負圧面、表面
28 前縁
29 後縁
31 外側先端部
32 軸線方向中央線
33 半径方向中央線
34 中央点
35 反り曲線
36 内部冷却構成
37 冷却チャネル
75 スパン途中シュラウド
76 正圧側翼
77 負圧側翼
86 正圧側翼円周面
87 負圧側翼円周面
100 コネクタ
101 基部
102 上部
105 ダブテール継手
106 境界線
107 外側表面
108 内側表面
109 中空ポケット
110 開口
111 ダブテール
112 ダブテール溝
113 口部
114 組立開口
115 ワイヤロックコネクタ
117 タブ
118 スロット
121 第1の溝
122 第2の溝
123 タブの側面
124 スロットの側面
125 保持穴
126 保持ワイヤ
128 取付穴
129 開口
130 補助コネクタ
131 半径方向ピン
133 半径方向穴
145 ピンコネクタ
145a 第1のピンコネクタ
145b 第2のピンコネクタ
147 タブ
148 スロット
150 ピンキャビティ
151 タブ穴
152 ロックピン
155 表面開口
Claims (12)
- ガスタービン(10)のタービン(12)内で使用するロータブレード(16)であって、
根元部(21)との結合部から外側先端部(31)まで延在する翼形部(25)であって、
基部(101)が第1の材料を含み、前記第1の材料が金属であって、前記基部(101)は前記根元部(21)との前記結合部から前記基部(101)の外側表面(107)まで延在し、
上部(102)が第2の材料を含み、前記第2の材料が前記第1の材料よりも軽量の複合材料であって、前記上部(102)は前記上部(102)の内側表面(108)と、前記翼形部(25)の前記外側先端部(31)との間に延在し、
前記基部(101)および前記上部(102)が境界線(106)に沿って接合して、対向する前縁(28)と後縁(29)との間に軸線方向に延在する、正圧面(26)と、横方向に対向する負圧面(27)とを集合的に画定する、非一体型部分を含む、翼形部(25)と、
前記翼形部(25)の前記基部(101)を前記上部(102)に固定するコネクタ(100)であって、
前記上部(102)の前記内側表面(108)から延びる、タブ(117)と、
前記基部(101)の前記外側表面(107)に形成される、前記タブ(117)を受けるための相補的なスロット(118)と、
前記タブ(117)の側面(123)に形成される、第1の溝(121)と、
前記スロット(118)の側面(124)に形成される、第2の溝(122)と、
前記タブ(117)が前記スロット(118)の中で受けられる際に、前記第1の溝(121)と前記第2の溝(122)との位置を合わせることによって協働的に形成される、保持穴(125)と、
前記翼形部(25)の前記上部(102)と前記基部(101)との半径方向の移動を制限する機械的な締まり嵌めを生成するために、前記第1の溝(121)と前記第2の溝(122)とによって画定された前記保持穴(125)を埋める大きさにされた、保持ワイヤ(126)とを含む、ワイヤロックコネクタ(115)を含む、コネクタ(100)とを備える、ロータブレード(16)。 - 前記上部(102)の半径方向高さが、前記翼形部(25)の半径方向高さの25%~55%である、請求項1に記載のロータブレード(16)。
- 前記翼形部(25)が、パートスパンシュラウド(75)を備え、
前記翼形部(25)の前記上部(102)および前記基部(101)が、前記パートスパンシュラウド(75)の外側に、かつ前記パートスパンシュラウド(75)に隣接して前記境界線(106)が配置されるように構成される、請求項1に記載のロータブレード(16)。 - 前記基部(101)の前記第1の材料がニッケル合金を含み、
前記上部(102)の前記第2の材料がセラミックマトリックス複合材を含む、請求項1に記載のロータブレード(16)。 - 前記上部(102)が、前記翼形部(25)の前記外側先端部(31)を通して形成された開口(110)から、前記上部(102)の中へ延在する中空ポケット(109)を含み、
前記中空ポケット(109)が、前記翼形部(25)の前記上部(102)の体積の1/4よりも大きい体積を有する、請求項1に記載のロータブレード(16)。 - 前記ワイヤロックコネクタ(115)が取付穴(128)をさらに含み、前記取付穴(128)が、前記翼形部(25)の表面に形成された開口(129)から、前記保持穴(125)の第1の端部と揃う位置まで延び、
前記保持ワイヤ(126)の延長部が前記取付穴(128)に収容される、
請求項1に記載のロータブレード(16)。 - 前記タブ(117)が、第1の端部と第2の端部との間でほぼ軸線方向に伸長し、前記第1の端部は、前記第2の端部に対して前方位置をとり、
前記タブ(117)の前記第1の端部が、前記翼形部(25)の軸線方向中央線(32)の前方側に配置され、
前記タブ(117)の前記第2の端部が、前記軸線方向中央線(32)の後方側に配置される、請求項1に記載のロータブレード(16)。 - 前記タブ(117)が、第1の端部と第2の端部との間でほぼ軸線方向に伸長し、前記第1の端部は、前記第2の端部に対して前方位置をとり、
前記タブ(117)の前記第1の端部が、前記翼形部(25)の前記前縁(28)から一定の距離でオフセットされ、
前記タブ(117)の前記第2の端部が、前記翼形部(25)の前記後縁(29)から一定の距離でオフセットされる、請求項1に記載のロータブレード(16)。 - 前記タブ(117)が、第1の端部と第2の端部との間でほぼ軸線方向に伸長し、前記第1の端部は、前記第2の端部に対して前方位置をとり、
前記保持穴(125)、および前記保持穴(125)に収容される前記保持ワイヤ(126)が、前記タブ(117)の前記第1の端部から、前記タブ(117)の前記第2の端部に向かって延在する、請求項1に記載のロータブレード(16)。 - 前記保持穴(125)、および前記保持穴(125)内に収容される前記保持ワイヤ(126)が、前記タブ(117)の前記第1の端部から、前記タブ(117)の前記第2の端部の手前の第1の位置まで延び、前記第1の位置が、前記タブ(117)の前記第1の端部から測定した、前記タブ(117)の軸線方向長さの40%~80%の範囲内に画定される、請求項9に記載のロータブレード(16)。
- 前記翼形部(25)が、前記翼形部(25)の前記上部(102)を前記基部(101)に結合する補助コネクタ(130)をさらに備え、
前記補助コネクタ(130)が、
前記基部(101)および前記上部(102)の1つから延びる、半径方向ピン(131)と、
前記基部(101)および前記上部(102)の他方に形成された、前記半径方向ピン(131)を受けるための相補的な半径方向穴(133)とを含み、
前記補助コネクタ(130)が、前記ワイヤロックコネクタ(115)の後方に配置される、請求項1に記載のロータブレード(16)。 - 請求項1乃至11のいずれか一項に記載の前記ロータブレード(16)を備える、ガスタービン(10)。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US16/235,095 US10731471B2 (en) | 2018-12-28 | 2018-12-28 | Hybrid rotor blades for turbine engines |
US16/235095 | 2018-12-28 |
Publications (2)
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JP2020115010A JP2020115010A (ja) | 2020-07-30 |
JP7486942B2 true JP7486942B2 (ja) | 2024-05-20 |
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Country Status (4)
Country | Link |
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US (1) | US10731471B2 (ja) |
JP (1) | JP7486942B2 (ja) |
CN (1) | CN111379593A (ja) |
DE (1) | DE102019135798A1 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
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US10815786B2 (en) * | 2018-12-28 | 2020-10-27 | General Electric Company | Hybrid rotor blades for turbine engines |
KR102244959B1 (ko) * | 2020-06-03 | 2021-04-26 | 이민철 | 드론용 전손 방지 프로펠러 및 그 프로펠러를 포함하는 드론 |
KR102478172B1 (ko) | 2021-02-02 | 2022-12-14 | 두산에너빌리티 주식회사 | 회전 기계, 이를 포함하는 가스 터빈, 회전 기계의 조립 방법 |
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US6039542A (en) * | 1997-12-24 | 2000-03-21 | General Electric Company | Panel damped hybrid blade |
US6099257A (en) * | 1999-08-31 | 2000-08-08 | General Electric Company | Plastically formed hybrid airfoil |
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