JP2013108498A - 特に軸流機械に用いられるディフューザ - Google Patents
特に軸流機械に用いられるディフューザ Download PDFInfo
- Publication number
- JP2013108498A JP2013108498A JP2012252515A JP2012252515A JP2013108498A JP 2013108498 A JP2013108498 A JP 2013108498A JP 2012252515 A JP2012252515 A JP 2012252515A JP 2012252515 A JP2012252515 A JP 2012252515A JP 2013108498 A JP2013108498 A JP 2013108498A
- Authority
- JP
- Japan
- Prior art keywords
- diffuser
- sectional area
- cross
- peripheral wall
- flow
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- 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
-
- 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
-
- 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
- F01D25/16—Arrangement of bearings; Supporting or mounting bearings in casings
- F01D25/162—Bearing supports
-
- 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
-
- 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
- F05D2260/60—Fluid transfer
- F05D2260/601—Fluid transfer using an ejector or a jet pump
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102011118735A DE102011118735A1 (de) | 2011-11-17 | 2011-11-17 | Diffusor, insbesondere für eine axiale strömungsmaschine |
DE102011118735.2 | 2011-11-17 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2016139281A Division JP6188885B2 (ja) | 2011-11-17 | 2016-07-14 | 特に軸流機械に用いられるディフューザ |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2013108498A true JP2013108498A (ja) | 2013-06-06 |
Family
ID=47215404
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2012252515A Pending JP2013108498A (ja) | 2011-11-17 | 2012-11-16 | 特に軸流機械に用いられるディフューザ |
JP2016139281A Expired - Fee Related JP6188885B2 (ja) | 2011-11-17 | 2016-07-14 | 特に軸流機械に用いられるディフューザ |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2016139281A Expired - Fee Related JP6188885B2 (ja) | 2011-11-17 | 2016-07-14 | 特に軸流機械に用いられるディフューザ |
Country Status (6)
Country | Link |
---|---|
US (1) | US20130129498A1 (fr) |
EP (1) | EP2594741A3 (fr) |
JP (2) | JP2013108498A (fr) |
CN (1) | CN103122776B (fr) |
DE (1) | DE102011118735A1 (fr) |
RU (1) | RU2569015C2 (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2017214926A (ja) * | 2016-05-31 | 2017-12-07 | ゼネラル・エレクトリック・カンパニイ | 排気ディフューザ |
JP2021148125A (ja) * | 2020-03-20 | 2021-09-27 | ドゥサン ヘヴィー インダストリーズ アンド コンストラクション カンパニー リミテッド | 流動剥離現象を減らす排気ディフューザのハブ構造 |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2896793B1 (fr) | 2014-01-21 | 2024-08-28 | Ansaldo Energia Switzerland AG | Procédé de fonctionnement d'un ensemble de turbine à gaz et ledit ensemble |
EP2947283B1 (fr) | 2014-05-23 | 2017-01-11 | GE Energy Products France SNC | Structure d'isolation thermo-acoustique pour échappement de machine tournante |
EP3023695A1 (fr) * | 2014-11-20 | 2016-05-25 | Siemens Aktiengesellschaft | Machine à énergie thermique |
FR3029568B1 (fr) * | 2014-12-05 | 2016-11-18 | Turbomeca | Plenum d'alimentation en air |
RU2632354C1 (ru) * | 2016-12-01 | 2017-10-04 | Открытое акционерное общество "Научно-производственное объединение по исследованию и проектированию энергетического оборудования им. И.И. Ползунова" (ОАО "НПО ЦКТИ") | Двухпоточный цилиндр низкого давления паровой турбины |
US11291938B2 (en) | 2016-12-16 | 2022-04-05 | General Electric Technology Gmbh | Coanda effect moisture separator system |
US11840937B2 (en) * | 2021-12-17 | 2023-12-12 | Pratt & Whitney Canada Corp. | Diffuser nozzle for a gas turbine engine |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2637972A (en) * | 1948-04-09 | 1953-05-12 | Mcdonnell Aircraft Corp | Afterburner for turbojet engines and the like |
US2828603A (en) * | 1948-04-09 | 1958-04-01 | Westinghouse Electric Corp | Afterburner for turbo jet engines and the like |
JPS58127120U (ja) * | 1982-02-23 | 1983-08-29 | 防衛庁技術研究本部長 | 高温ガス排気管の出口部構造 |
US4497445A (en) * | 1980-03-10 | 1985-02-05 | Rolls-Royce Limited | Diffusion apparatus |
JPH084554A (ja) * | 1994-04-12 | 1996-01-09 | General Electric Co <Ge> | 窒素酸化排気放出物を低減させる装置及び方法 |
WO2009119127A1 (fr) * | 2008-03-28 | 2009-10-01 | 三菱重工業株式会社 | Turbine à gaz, arbre intermédiaire pour turbine à gaz et procédé de refroidissement de compresseur de turbine à gaz |
US20110058939A1 (en) * | 2009-06-02 | 2011-03-10 | John Orosa | Turbine exhaust diffuser with a gas jet producing a coanda effect flow control |
JP2011085134A (ja) * | 2009-10-15 | 2011-04-28 | General Electric Co <Ge> | 排気ガスディフューザ |
Family Cites Families (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA486078A (fr) * | 1950-04-27 | 1952-08-26 | W. Kellal George | Controle d'espace de sortie pour moteurs thermopropulseurs |
DE1062066B (de) * | 1952-10-15 | 1959-07-23 | Nat Res Dev | Einrichtung, insbesondere fuer Gasturbinen-anlagen zum Verbrennen von gasfoermigem oder verdampftem Brennstoff |
CH484358A (de) * | 1968-02-15 | 1970-01-15 | Escher Wyss Ag | Abströmgehäuse einer axialen Turbomaschine |
US3625630A (en) * | 1970-03-27 | 1971-12-07 | Caterpillar Tractor Co | Axial flow diffuser |
DE2558840C2 (de) * | 1975-12-27 | 1983-03-24 | Klein, Schanzlin & Becker Ag, 6710 Frankenthal | Einrichtung zur Verminderung des Kavitationsverschleisses |
US4272955A (en) * | 1979-06-28 | 1981-06-16 | General Electric Company | Diffusing means |
SU1000558A1 (ru) * | 1981-04-03 | 1983-02-28 | Донецкий Ордена Трудового Красного Знамени Политехнический Институт | Диффузор |
SU1657672A1 (ru) * | 1986-07-28 | 1991-06-23 | Производственное объединение "Невский завод" им.В.И.Ленина | Диффузор турбомашины |
CH672004A5 (fr) | 1986-09-26 | 1989-10-13 | Bbc Brown Boveri & Cie | |
US5110560A (en) * | 1987-11-23 | 1992-05-05 | United Technologies Corporation | Convoluted diffuser |
US4971768A (en) * | 1987-11-23 | 1990-11-20 | United Technologies Corporation | Diffuser with convoluted vortex generator |
US4923370A (en) * | 1988-11-28 | 1990-05-08 | Allied-Signal Inc. | Radial turbine wheel |
EP0491966B1 (fr) | 1990-12-10 | 1994-11-30 | Asea Brown Boveri Ag | Dispositif de support d'une turbomachine thermique |
US5230656A (en) * | 1992-08-05 | 1993-07-27 | Carrier Corporation | Mixer ejector flow distributor |
JP3564420B2 (ja) * | 2001-04-27 | 2004-09-08 | 三菱重工業株式会社 | ガスタービン |
EP1262637A1 (fr) * | 2001-05-31 | 2002-12-04 | ALSTOM (Switzerland) Ltd | Méthode et dispositif pour une centrale de turbine à gaz |
US8061983B1 (en) * | 2008-06-20 | 2011-11-22 | Florida Turbine Technoligies, Inc. | Exhaust diffuser strut with stepped trailing edge |
US8313286B2 (en) * | 2008-07-28 | 2012-11-20 | Siemens Energy, Inc. | Diffuser apparatus in a turbomachine |
US8337153B2 (en) * | 2009-06-02 | 2012-12-25 | Siemens Energy, Inc. | Turbine exhaust diffuser flow path with region of reduced total flow area |
DE102010024091B4 (de) * | 2010-06-17 | 2012-10-04 | Esg Mbh | Mischer |
EP2407638A1 (fr) * | 2010-07-15 | 2012-01-18 | Siemens Aktiengesellschaft | Diffuseur de gaz d'échappement pour un turbine à gaz et procédé de fonctionnement d'une turbine à gaz dotée d'un tel diffuseur de gaz d'échappement |
US9109466B2 (en) * | 2011-07-22 | 2015-08-18 | The Board Of Trustees Of The Leland Stanford Junior University | Diffuser with backward facing step having varying step height |
PL220635B1 (pl) * | 2011-10-03 | 2015-11-30 | Gen Electric | Dyfuzor gazu wydechowego i turbina zawierająca dyfuzor gazu wydechowego |
US20130091865A1 (en) * | 2011-10-17 | 2013-04-18 | General Electric Company | Exhaust gas diffuser |
-
2011
- 2011-11-17 DE DE102011118735A patent/DE102011118735A1/de not_active Withdrawn
-
2012
- 2012-11-06 EP EP12191495.6A patent/EP2594741A3/fr not_active Withdrawn
- 2012-11-16 CN CN201210465817.7A patent/CN103122776B/zh not_active Expired - Fee Related
- 2012-11-16 RU RU2012148919/06A patent/RU2569015C2/ru not_active IP Right Cessation
- 2012-11-16 US US13/678,676 patent/US20130129498A1/en not_active Abandoned
- 2012-11-16 JP JP2012252515A patent/JP2013108498A/ja active Pending
-
2016
- 2016-07-14 JP JP2016139281A patent/JP6188885B2/ja not_active Expired - Fee Related
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2637972A (en) * | 1948-04-09 | 1953-05-12 | Mcdonnell Aircraft Corp | Afterburner for turbojet engines and the like |
US2828603A (en) * | 1948-04-09 | 1958-04-01 | Westinghouse Electric Corp | Afterburner for turbo jet engines and the like |
US4497445A (en) * | 1980-03-10 | 1985-02-05 | Rolls-Royce Limited | Diffusion apparatus |
JPS58127120U (ja) * | 1982-02-23 | 1983-08-29 | 防衛庁技術研究本部長 | 高温ガス排気管の出口部構造 |
JPH084554A (ja) * | 1994-04-12 | 1996-01-09 | General Electric Co <Ge> | 窒素酸化排気放出物を低減させる装置及び方法 |
WO2009119127A1 (fr) * | 2008-03-28 | 2009-10-01 | 三菱重工業株式会社 | Turbine à gaz, arbre intermédiaire pour turbine à gaz et procédé de refroidissement de compresseur de turbine à gaz |
US20110058939A1 (en) * | 2009-06-02 | 2011-03-10 | John Orosa | Turbine exhaust diffuser with a gas jet producing a coanda effect flow control |
JP2011085134A (ja) * | 2009-10-15 | 2011-04-28 | General Electric Co <Ge> | 排気ガスディフューザ |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2017214926A (ja) * | 2016-05-31 | 2017-12-07 | ゼネラル・エレクトリック・カンパニイ | 排気ディフューザ |
KR20170135754A (ko) * | 2016-05-31 | 2017-12-08 | 제네럴 일렉트릭 컴퍼니 | 배기 디퓨저 |
KR102403377B1 (ko) * | 2016-05-31 | 2022-06-02 | 제네럴 일렉트릭 컴퍼니 | 배기 디퓨저 |
JP7237444B2 (ja) | 2016-05-31 | 2023-03-13 | ゼネラル・エレクトリック・カンパニイ | 排気ディフューザ |
JP2021148125A (ja) * | 2020-03-20 | 2021-09-27 | ドゥサン ヘヴィー インダストリーズ アンド コンストラクション カンパニー リミテッド | 流動剥離現象を減らす排気ディフューザのハブ構造 |
KR20210118304A (ko) * | 2020-03-20 | 2021-09-30 | 두산중공업 주식회사 | 유동박리 현상을 줄이는 배기 디퓨저의 허브 구조 |
KR102350377B1 (ko) * | 2020-03-20 | 2022-01-14 | 두산중공업 주식회사 | 유동박리 현상을 줄이는 배기 디퓨저의 허브 구조 |
JP7107481B2 (ja) | 2020-03-20 | 2022-07-27 | ドゥサン エナービリティー カンパニー リミテッド | 流動剥離現象を減らす排気ディフューザのハブ構造 |
US11506145B2 (en) | 2020-03-20 | 2022-11-22 | Doosan Enerbility Co., Ltd | Exhaust diffuser hub structure for reducing flow separation |
Also Published As
Publication number | Publication date |
---|---|
DE102011118735A1 (de) | 2013-05-23 |
EP2594741A2 (fr) | 2013-05-22 |
RU2569015C2 (ru) | 2015-11-20 |
JP2016180412A (ja) | 2016-10-13 |
CN103122776A (zh) | 2013-05-29 |
JP6188885B2 (ja) | 2017-08-30 |
CN103122776B (zh) | 2016-02-10 |
RU2012148919A (ru) | 2014-05-27 |
EP2594741A3 (fr) | 2017-08-23 |
US20130129498A1 (en) | 2013-05-23 |
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