JP2008546947A - 回転翼羽根端部の間隙流動損失防止用インパルスタービン - Google Patents
回転翼羽根端部の間隙流動損失防止用インパルスタービン Download PDFInfo
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- 230000002093 peripheral effect Effects 0.000 claims abstract description 37
- 230000002265 prevention Effects 0.000 claims 3
- 239000012530 fluid Substances 0.000 abstract description 12
- 230000006872 improvement Effects 0.000 abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 15
- 238000010586 diagram Methods 0.000 description 7
- 238000010248 power generation Methods 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 230000009897 systematic effect Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 238000005094 computer simulation Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
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- 238000000926 separation method Methods 0.000 description 1
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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
- F01D5/22—Blade-to-blade connections, e.g. for damping vibrations
- F01D5/225—Blade-to-blade connections, e.g. for damping vibrations by shrouding
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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
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D1/00—Non-positive-displacement machines or engines, e.g. steam turbines
- F01D1/02—Non-positive-displacement machines or engines, e.g. steam turbines with stationary working-fluid guiding means and bladed or like rotor, e.g. multi-bladed impulse steam turbines
- F01D1/026—Impact turbines with buckets, i.e. impulse turbines, e.g. Pelton turbines
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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
- F01D11/00—Preventing or minimising internal leakage of working-fluid, e.g. between stages
- F01D11/08—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between rotor blade 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
- F01D11/00—Preventing or minimising internal leakage of working-fluid, e.g. between stages
- F01D11/08—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between rotor blade tips and stator
- F01D11/12—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between rotor blade tips and stator using a rubstrip, e.g. erodible. deformable or resiliently-biased part
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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
- F01D5/20—Specially-shaped blade tips to seal space between tips and stator
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B11/00—Parts or details not provided for in, or of interest apart from, the preceding groups, e.g. wear-protection couplings, between turbine and generator
- F03B11/006—Sealing arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2210/00—Working fluid
- F05B2210/40—Flow geometry or direction
- F05B2210/404—Flow geometry or direction bidirectional, i.e. in opposite, alternating directions
-
- 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
- F05D2210/00—Working fluids
- F05D2210/40—Flow geometry or direction
- F05D2210/44—Flow geometry or direction bidirectional, i.e. in opposite, alternating directions
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/30—Energy from the sea, e.g. using wave energy or salinity gradient
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
- Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
Abstract
従来のインパルスタービンの回転翼は、ダクト内で回転運動時に回転翼の端部に流動間隙を有するようになり、このような流動間隙を通じて流動流体が漏出されて効率が低減される。
本発明ではこれを解決するために、ダクト内にインパルスタービンの回転翼に対応するダクト溝を形成して、回転翼をダクト内部に挿入させて流動間隙を最小化し、インパルスタービンの効率の増加を提供するインパルスタービンを提供しようとする。
【選択図】図3
Description
2: 第1の固定翼、第2の固定翼、固定翼
3: 回転翼
4: 回転軸
5: 第1の固定軸、第2の固定軸、固定軸
6:ダクト溝
7: 幅リング
8:羽根板
9:第1の固定翼部
10:第2の固定翼部
11: 回転翼部
12 : 入力波水面
13: 振動水柱型チャンバ内水面
14 : 振動水柱型チャンバ(Oscillating Water Column)
15 : 空気流動
16: インパルスタービン
Claims (6)
- 円形ダクト(1)内の一側にダクト溝(6)が形成され、上記ダクト(1)の中心軸に第1の固定軸(5)の外周縁に複数の第1の固定翼(2)を形成する第1の固定翼部(9)が位置し、上記第1の固定翼部(9)の一側に接し、上記ダクト(1)の中心軸に回転軸(4)の外周縁に複数の回転翼(3)を形成する回転翼部(11)が位置し、上記回転翼部(11)の一側に接し、上記ダクト(1)の中心軸に第2の固定軸(5)の外周縁に複数の第2の固定翼(2)を形成する第2の固定翼部(10)が位置し、上記ダクト溝(6)に対応するように形成され、回転翼(3)の外周縁の端部の幅と同一の大きさに形成されたシリンダー形状の幅リング(7)が付着するようにしてなることを特徴とする回転翼羽根端部の間隙流動損失防止用インパルスタービン。
- 上記幅リング(7)は回転翼(3)の外周縁の端部の幅より大きく形成されて付着するようにしてなることを特徴とする請求項1に記載の回転翼羽根端部の間隙流動損失防止用インパルスタービン。
- 円形ダクト(1)内の一側にダクト溝(6)が形成され、上記ダクト(1)の中心軸に第1の固定軸(5)の外周縁に複数の第1の固定翼(2)を形成する第1の固定翼部(9)が位置し、上記第1の固定翼部(9)の一側に接し、上記ダクト(1)の中心軸に回転軸(4)の外周縁に複数の回転翼(3)を形成する回転翼部(11)が位置し、上記回転翼部(11)の一側に接し、上記ダクト(1)の中心軸に第2の固定軸(5)の外周縁に複数の第2の固定翼(2)を形成する第2の固定翼部(10)が位置し、上記回転翼部(11)の個々の回転翼(3)の端部に上記回転翼(3)と同一の大きさに形成された羽根板(8)がダクト溝(6)に対応するように付着するようにしてなることを特徴とする回転翼羽根端部の間隙流動損失防止用インパルスタービン。
- 円形ダクト(1)内の一側にダクト溝(6)が形成され、上記ダクト(1)の中心軸に第1の固定軸(5)の外周縁に複数の第1の固定翼(2)を形成する第1の固定翼部(9)が位置し、上記第1の固定翼部(9)の一側に接し、上記ダクト(1)の中心軸に回転軸(4)の外周縁に複数の回転翼(3)を形成する回転翼部(11)が位置し、上記回転翼部(11)の一側に接し、上記ダクト(1)の中心軸に第2の固定軸(5)の外周縁に複数の第2の固定翼(2)を形成する第2の固定翼部(10)が位置し、上記回転翼部(11)の個々の回転翼(3)の端部に上記回転翼(3)と同一の大きさに形成された羽根板(8)がダクト溝(6)に対応するように付着するようにしてなることを特徴とする回転翼羽根端部の間隙流動損失防止用インパルスタービン。
- 上記第1の固定翼及び第2の固定翼(2)の流出角は流入角に比べて回転翼の回転運動方向に傾いたことを特徴とする請求項1乃至4のいずれか1項に記載の回転翼羽根端部の間隙流動損失防止用インパルスタービン。
- 上記第1の固定翼及び第2の固定翼(2)の各々の流出角は互いに異なって構成されることを特徴とする請求項5に記載の回転翼羽根端部の間隙流動損失防止用インパルスタービン。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020050054238A KR100720909B1 (ko) | 2005-06-23 | 2005-06-23 | 회전익 날개 끝 간극유동 손실 방지용 임펄스 터빈 |
PCT/KR2006/002402 WO2006137696A1 (en) | 2005-06-23 | 2006-06-22 | Impulse turbine with rotor blade for prevention clearance flow loss |
Publications (1)
Publication Number | Publication Date |
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JP2008546947A true JP2008546947A (ja) | 2008-12-25 |
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JP2008518031A Pending JP2008546947A (ja) | 2005-06-23 | 2006-06-22 | 回転翼羽根端部の間隙流動損失防止用インパルスタービン |
Country Status (4)
Country | Link |
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JP (1) | JP2008546947A (ja) |
KR (1) | KR100720909B1 (ja) |
GB (1) | GB2441270B (ja) |
WO (1) | WO2006137696A1 (ja) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
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GB2440344A (en) * | 2006-07-26 | 2008-01-30 | Christopher Freeman | Impulse turbine design |
DE102009057513B4 (de) | 2009-12-10 | 2013-01-03 | Voith Patent Gmbh | Diffusor für die Luftturbine eines Wellenkraftwerks |
DE102009057511A1 (de) | 2009-12-10 | 2011-06-16 | Voith Patent Gmbh | Energieerzeugungsanlage mit einer Luftturbine |
KR20140056486A (ko) * | 2012-10-26 | 2014-05-12 | 주식회사 에이치케이터빈 | 반작용식 터빈 시스템 |
US11596783B2 (en) | 2018-03-06 | 2023-03-07 | Indiana University Research & Technology Corporation | Blood pressure powered auxiliary pump |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR662453A (fr) * | 1928-10-17 | 1929-08-07 | Turbine pneumatique utilisant le mouvement ondulatoire des eaux de la mer ou des lacs | |
GB662453A (en) * | 1948-02-09 | 1951-12-05 | Philips Nv | Improvements in or relating to electric arc-welding |
JPS50139244A (ja) * | 1974-04-22 | 1975-11-07 | ||
JPS5361548U (ja) * | 1976-01-31 | 1978-05-25 | ||
JPS54159536A (en) * | 1978-06-05 | 1979-12-17 | Tideland Signal Corp | Apparatus for converting water wave energy to electric power |
JPH01151800A (ja) * | 1987-12-07 | 1989-06-14 | Yoshiko Fujii | リング・ファン |
JPH0264270A (ja) * | 1988-08-31 | 1990-03-05 | Saga Univ | 自己可変ピッチ案内羽根を有する衝動タービン |
JPH03286190A (ja) * | 1990-03-30 | 1991-12-17 | Railway Technical Res Inst | 磁気浮上車両用風力発電装置 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0726904A (ja) * | 1993-07-12 | 1995-01-27 | Ishikawajima Harima Heavy Ind Co Ltd | 回転機械装置の翼端部構造 |
JPH10288139A (ja) | 1997-04-14 | 1998-10-27 | Toshio Hatakeyama | 一方向タービン及び波力利用発電装置 |
JPH10311205A (ja) | 1997-05-14 | 1998-11-24 | Toshiba Corp | 軸流タービン |
US6644924B1 (en) * | 2002-05-31 | 2003-11-11 | General Electric Company | Covers for turbine buckets and methods of assembly |
US7001145B2 (en) | 2003-11-20 | 2006-02-21 | General Electric Company | Seal assembly for turbine, bucket/turbine including same, method for sealing interface between rotating and stationary components of a turbine |
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2005
- 2005-06-23 KR KR1020050054238A patent/KR100720909B1/ko active IP Right Grant
-
2006
- 2006-06-22 JP JP2008518031A patent/JP2008546947A/ja active Pending
- 2006-06-22 GB GB0724405A patent/GB2441270B/en active Active
- 2006-06-22 WO PCT/KR2006/002402 patent/WO2006137696A1/en active Application Filing
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR662453A (fr) * | 1928-10-17 | 1929-08-07 | Turbine pneumatique utilisant le mouvement ondulatoire des eaux de la mer ou des lacs | |
GB662453A (en) * | 1948-02-09 | 1951-12-05 | Philips Nv | Improvements in or relating to electric arc-welding |
JPS50139244A (ja) * | 1974-04-22 | 1975-11-07 | ||
JPS5361548U (ja) * | 1976-01-31 | 1978-05-25 | ||
JPS54159536A (en) * | 1978-06-05 | 1979-12-17 | Tideland Signal Corp | Apparatus for converting water wave energy to electric power |
JPH01151800A (ja) * | 1987-12-07 | 1989-06-14 | Yoshiko Fujii | リング・ファン |
JPH0264270A (ja) * | 1988-08-31 | 1990-03-05 | Saga Univ | 自己可変ピッチ案内羽根を有する衝動タービン |
JPH03286190A (ja) * | 1990-03-30 | 1991-12-17 | Railway Technical Res Inst | 磁気浮上車両用風力発電装置 |
Also Published As
Publication number | Publication date |
---|---|
GB2441270A (en) | 2008-02-27 |
WO2006137696A1 (en) | 2006-12-28 |
GB0724405D0 (en) | 2008-01-30 |
GB2441270B (en) | 2011-06-15 |
KR100720909B1 (ko) | 2007-05-22 |
KR20060134507A (ko) | 2006-12-28 |
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