JP2021173281A - キャビティダンピングを用いた翼形部 - Google Patents
キャビティダンピングを用いた翼形部 Download PDFInfo
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- JP2021173281A JP2021173281A JP2021015993A JP2021015993A JP2021173281A JP 2021173281 A JP2021173281 A JP 2021173281A JP 2021015993 A JP2021015993 A JP 2021015993A JP 2021015993 A JP2021015993 A JP 2021015993A JP 2021173281 A JP2021173281 A JP 2021173281A
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- impingement sleeve
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- 238000013016 damping Methods 0.000 title claims abstract description 91
- 230000036961 partial effect Effects 0.000 claims description 23
- 239000000463 material Substances 0.000 description 9
- 238000001816 cooling Methods 0.000 description 7
- 239000012809 cooling fluid Substances 0.000 description 6
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Images
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
- F01D5/16—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
- F01D5/188—Convection cooling with an insert in the blade cavity to guide the cooling fluid, e.g. forming a separation wall
- F01D5/189—Convection cooling with an insert in the blade cavity to guide the cooling fluid, e.g. forming a separation wall the insert having a tubular cross-section, e.g. airfoil shape
-
- 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
- F01D5/20—Specially-shaped blade tips to seal space between tips and stator
-
- 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
- F01D5/26—Antivibration means not restricted to blade form or construction or to blade-to-blade connections or to the use of particular materials
-
- 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
-
- 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
- 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
- F05D2230/60—Assembly 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
- 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
- F05D2240/307—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
- F05D2250/00—Geometry
- F05D2250/10—Two-dimensional
- F05D2250/18—Two-dimensional patterned
- F05D2250/185—Two-dimensional patterned serpentine-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
- F05D2260/00—Function
- F05D2260/20—Heat transfer, e.g. cooling
- F05D2260/201—Heat transfer, e.g. cooling by impingement of a fluid
-
- 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
-
- 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
-
- 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]
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Composite Materials (AREA)
- Ceramic Engineering (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Abstract
Description
18 根元、ベース
20 タービンブレード、大型ブレード、翼形部
21 翼形部本体
22 プラットフォーム
25 開口部
26 細長い内部キャビティ、凹部
26’ 内壁
27 空間
29 先端
30 インピンジメントスリーブ
32 接触点突起
33 インピンジメントスリーブ貫通穴
129 キャップ
130 減衰バイアス要素
131 ベースレッグラウンド
132 ベース
133 戻り部分
134 内側屈曲部
135 アーム
136 端部
181 保持ピン開口
200 部分スパンシュラウド
218 部分スパンコネクタ
220 保持ピン
222 保持ピン開口
A バイアス力
X 距離
Y 距離
Claims (15)
- 本体(21)であって、前記本体(21)の先端(29)から延びる細長い内部キャビティ(26)を有し、前記キャビティ(26)は、前記本体(21)内の内壁(26’)によって画定される本体(21)
を含む翼形部(20)と、
少なくとも1つの細長い減衰要素であって、前記細長い内部キャビティ(26)内に配置され、前記内壁(26’)と摩擦的に係合し、したがって振動を減衰させることが可能な少なくとも1つの細長い減衰要素と
を備える、物品。 - 前記少なくとも1つの細長い減衰要素は、少なくとも1つの保持構造部材を含み、前記少なくとも1つの細長い減衰要素は、前記キャビティ(26)の前記内壁(26’)に対する前記少なくとも1つの保持構造部材の摩擦嵌合によって前記細長い内部キャビティ(26)内に摩擦的に位置決めされる、請求項1に記載の物品。
- 前記細長い内部キャビティ(26)内に位置決めされた前記少なくとも1つの細長い減衰要素は、インピンジメントスリーブ(30)を含む、請求項2に記載の物品。
- 前記インピンジメントスリーブ(30)の少なくとも1つの保持部材は、前記インピンジメントスリーブ(30)上の少なくとも1つの接触点突起(32)を含み、各少なくとも1つの接触点突起(32)は、前記キャビティ(26)の前記内壁(26’)と摩擦的に係合する前記少なくとも1つの保持構造部材を含む、請求項3に記載の物品。
- 前記インピンジメントスリーブ(30)上の前記少なくとも1つの接触点突起(32)は、前記インピンジメントスリーブ(30)上の複数の接触点突起(32)をさらに備える、請求項4に記載の物品。
- 前記翼形部(20)は、先端(29)と、ベース(132)と、根元(18)とを含み、前記ベース(132)および前記根元(18)は、前記先端(29)から前記翼形部(20)の反対側の端部にあり、前記キャビティ(26)は、前記翼形部(20)の前記先端(29)から前記ベース(132)および前記根元(18)に向かって延び、前記少なくとも1つの細長い減衰要素は、前記先端(29)から前記ベース(132)および前記根元(18)に向かって長手方向に延びる、請求項2に記載の物品。
- 前記少なくとも1つの細長い減衰要素は、前記先端(29)から長手方向に延び、前記ベース(132)でまたはその下で終了する、請求項6に記載の物品。
- 前記少なくとも1つの細長い減衰要素は、前記先端(29)から長手方向に延び、前記根元(18)内に延びる、請求項6に記載の物品。
- 前記翼形部(20)は、先端(29)と、ベース(132)とを備え、前記ベース(132)は、前記先端(29)から前記翼形部(20)の反対側の端部にあり、前記キャビティ(26)は、前記翼形部(20)の前記先端(29)から前記ベース(132)に向かって延び、
前記翼形部(20)は、前記本体(21)上の少なくとも1つの部分スパンシュラウド(200)をさらに備え、前記少なくとも1つの部分スパンシュラウド(200)は、前記翼形部(20)の前記先端(29)と前記ベース(132)との間に位置決めされ、前記少なくとも1つの細長い減衰要素は、前記翼形部(20)の前記先端(29)から延び、前記部分スパンシュラウド(200)において前記キャビティ(26)内で終了する、
請求項2に記載の物品。 - 前記少なくとも1つの部分スパンシュラウド(200)は、少なくとも1つの保持ピン開口(222)をさらに備え、前記インピンジメントスリーブ(30)は、前記少なくとも1つの保持ピン開口(222)と整列する少なくとも1つのインピンジメントスリーブ(30)貫通穴(33)を備え、
前記物品は、前記少なくとも1つのインピンジメントスリーブ(30)を前記翼形部(20)の前記部分スパンシュラウド(200)に固定するために、前記少なくとも1つの部分スパンシュラウド(200)内の前記少なくとも1つの保持ピン開口(222)および前記インピンジメントスリーブ(30)の前記少なくとも1つのインピンジメントスリーブ(30)貫通穴(33)を通って延びるように構成された保持ピン(220)をさらに備える、
請求項9に記載の物品。 - 前記少なくとも1つの細長い減衰要素は、少なくとも1つの細長い減衰バイアス要素(130)を含み、前記少なくとも1つの細長い減衰バイアス要素(130)は、前記キャビティ(26)に摩擦嵌合され、前記キャビティ(26)の前記内壁(26’)に接触する蛇行状のばね要素を含む、請求項1に記載の物品。
- 前記少なくとも1つの細長い減衰バイアス要素(130)は、複数の減衰バイアス要素(130)を含む、請求項11に記載の物品。
- 前記少なくとも1つの細長い減衰バイアス要素(130)の各々は、少なくとも4つの接触点で前記キャビティ(26)の前記内壁(26’)と係合する、請求項11に記載の物品。
- 前記少なくとも1つの細長い減衰バイアス要素(130)は、前記翼形部(20)および前記キャビティ(26)の少なくとも1つに結合される、請求項11に記載の物品。
- 前記少なくとも1つの細長い減衰バイアス要素(130)は、前記先端(29)から前記キャビティ(26)内の最も遠い点で前記翼形部(20)内の前記キャビティ(26)に結合される、請求項11に記載の物品。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US16/851,629 | 2020-04-17 | ||
US16/851,629 US11339666B2 (en) | 2020-04-17 | 2020-04-17 | Airfoil with cavity damping |
Publications (1)
Publication Number | Publication Date |
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JP2021173281A true JP2021173281A (ja) | 2021-11-01 |
Family
ID=74553579
Family Applications (1)
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JP2021015993A Pending JP2021173281A (ja) | 2020-04-17 | 2021-02-03 | キャビティダンピングを用いた翼形部 |
Country Status (3)
Country | Link |
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US (1) | US11339666B2 (ja) |
EP (1) | EP3896256A1 (ja) |
JP (1) | JP2021173281A (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11339666B2 (en) | 2020-04-17 | 2022-05-24 | General Electric Company | Airfoil with cavity damping |
US11879351B2 (en) * | 2021-12-13 | 2024-01-23 | Rtx Corporation | Composite component with damper for gas turbine engine |
US20240110484A1 (en) * | 2022-10-04 | 2024-04-04 | General Electric Company | Vibration damping system for turbomachine nozzle or blade using volute spring vibration damping element |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
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US3973874A (en) * | 1974-09-25 | 1976-08-10 | General Electric Company | Impingement baffle collars |
GB1552536A (en) | 1977-05-05 | 1979-09-12 | Rolls Royce | Rotor blade for a gas turbine engine |
FR2474095B1 (fr) | 1980-01-17 | 1986-02-28 | Rolls Royce | Dispositif amortisseur de vibrations pour aubes mobiles de moteur a turbine a gaz |
GB9609721D0 (en) | 1996-05-09 | 1996-07-10 | Rolls Royce Plc | Vibration damping |
JP4058906B2 (ja) * | 1997-09-05 | 2008-03-12 | 株式会社日立製作所 | 蒸気タービン |
WO2009057532A1 (ja) | 2007-10-31 | 2009-05-07 | Mitsubishi Heavy Industries, Ltd. | 静翼及び蒸気タービン |
US8267662B2 (en) | 2007-12-13 | 2012-09-18 | General Electric Company | Monolithic and bi-metallic turbine blade dampers and method of manufacture |
DE102008059836A1 (de) | 2008-12-01 | 2010-06-02 | Alstom Technology Ltd. | Strömungsmaschine, insbesondere Dampfturbine |
US7955054B2 (en) | 2009-09-21 | 2011-06-07 | Pratt & Whitney Rocketdyne, Inc. | Internally damped blade |
US8579593B2 (en) * | 2009-11-06 | 2013-11-12 | Siemens Energy, Inc. | Damping element for reducing the vibration of an airfoil |
WO2015042009A1 (en) | 2013-09-18 | 2015-03-26 | United Technologies Corporation | Manufacturing method for a baffle-containing blade |
US20180328187A1 (en) * | 2017-05-09 | 2018-11-15 | General Electric Company | Turbine engine with an airfoil and insert |
US10577943B2 (en) | 2017-05-11 | 2020-03-03 | General Electric Company | Turbine engine airfoil insert |
US11661850B2 (en) * | 2018-11-09 | 2023-05-30 | Raytheon Technologies Corporation | Airfoil with convex sides and multi-piece baffle |
US11339666B2 (en) | 2020-04-17 | 2022-05-24 | General Electric Company | Airfoil with cavity damping |
-
2020
- 2020-04-17 US US16/851,629 patent/US11339666B2/en active Active
-
2021
- 2021-02-03 JP JP2021015993A patent/JP2021173281A/ja active Pending
- 2021-02-03 EP EP21155098.3A patent/EP3896256A1/en active Pending
Also Published As
Publication number | Publication date |
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US11339666B2 (en) | 2022-05-24 |
US20210324743A1 (en) | 2021-10-21 |
EP3896256A1 (en) | 2021-10-20 |
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