EP2594741A3 - Diffuser, in particular for an axial flow machine - Google Patents
Diffuser, in particular for an axial flow machine Download PDFInfo
- Publication number
- EP2594741A3 EP2594741A3 EP12191495.6A EP12191495A EP2594741A3 EP 2594741 A3 EP2594741 A3 EP 2594741A3 EP 12191495 A EP12191495 A EP 12191495A EP 2594741 A3 EP2594741 A3 EP 2594741A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- diffuser
- flow
- axial flow
- flow machine
- sectional area
- 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.)
- Withdrawn
Links
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)
Abstract
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102011118735A DE102011118735A1 (en) | 2011-11-17 | 2011-11-17 | DIFFUSER, ESPECIALLY FOR AN AXIAL FLOW MACHINE |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2594741A2 EP2594741A2 (en) | 2013-05-22 |
EP2594741A3 true EP2594741A3 (en) | 2017-08-23 |
Family
ID=47215404
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP12191495.6A Withdrawn EP2594741A3 (en) | 2011-11-17 | 2012-11-06 | Diffuser, in particular for an axial flow machine |
Country Status (6)
Country | Link |
---|---|
US (1) | US20130129498A1 (en) |
EP (1) | EP2594741A3 (en) |
JP (2) | JP2013108498A (en) |
CN (1) | CN103122776B (en) |
DE (1) | DE102011118735A1 (en) |
RU (1) | RU2569015C2 (en) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2896793A1 (en) | 2014-01-21 | 2015-07-22 | Alstom Technology Ltd | Method of operating a gas turbine assembly and the gas turbine assembly |
EP2947283B1 (en) | 2014-05-23 | 2017-01-11 | GE Energy Products France SNC | Thermal-acoustic insulation structure for the exhaust of a rotating machine |
EP3023695A1 (en) * | 2014-11-20 | 2016-05-25 | Siemens Aktiengesellschaft | Thermal energy machine |
FR3029568B1 (en) * | 2014-12-05 | 2016-11-18 | Turbomeca | PLENUM OF AIR SUPPLY |
US10563543B2 (en) * | 2016-05-31 | 2020-02-18 | General Electric Company | Exhaust diffuser |
RU2632354C1 (en) * | 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") | Steam turbine double-flow low-pressure cylinder |
US11291938B2 (en) | 2016-12-16 | 2022-04-05 | General Electric Technology Gmbh | Coanda effect moisture separator system |
KR102350377B1 (en) * | 2020-03-20 | 2022-01-14 | 두산중공업 주식회사 | Anti-Separation Hub Structure for Exhaust Diffuser |
US11840937B2 (en) | 2021-12-17 | 2023-12-12 | Pratt & Whitney Canada Corp. | Diffuser nozzle for a gas turbine engine |
Citations (4)
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 |
US5230656A (en) * | 1992-08-05 | 1993-07-27 | Carrier Corporation | Mixer ejector flow distributor |
US20110058939A1 (en) * | 2009-06-02 | 2011-03-10 | John Orosa | Turbine exhaust diffuser with a gas jet producing a coanda effect flow control |
US20110088379A1 (en) * | 2009-10-15 | 2011-04-21 | General Electric Company | Exhaust gas diffuser |
Family Cites Families (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA486078A (en) * | 1950-04-27 | 1952-08-26 | W. Kellal George | Exit area control for jet engines |
US2828603A (en) * | 1948-04-09 | 1958-04-01 | Westinghouse Electric Corp | Afterburner for turbo jet engines and the like |
DE1062066B (en) * | 1952-10-15 | 1959-07-23 | Nat Res Dev | Device, especially for gas turbine systems for burning gaseous or vaporized fuel |
CH484358A (en) * | 1968-02-15 | 1970-01-15 | Escher Wyss Ag | Exhaust housing of an axial turbo machine |
US3625630A (en) * | 1970-03-27 | 1971-12-07 | Caterpillar Tractor Co | Axial flow diffuser |
DE2558840C2 (en) * | 1975-12-27 | 1983-03-24 | Klein, Schanzlin & Becker Ag, 6710 Frankenthal | Device to reduce cavitation wear |
US4272955A (en) * | 1979-06-28 | 1981-06-16 | General Electric Company | Diffusing means |
EP0035838B1 (en) * | 1980-03-10 | 1985-02-06 | Rolls-Royce Plc | Diffusion apparatus |
SU1000558A1 (en) * | 1981-04-03 | 1983-02-28 | Донецкий Ордена Трудового Красного Знамени Политехнический Институт | Diffusor |
JPS58127120U (en) * | 1982-02-23 | 1983-08-29 | 防衛庁技術研究本部長 | Exit structure of high temperature gas exhaust pipe |
SU1657672A1 (en) * | 1986-07-28 | 1991-06-23 | Производственное объединение "Невский завод" им.В.И.Ленина | Diffuser of turbomachine |
CH672004A5 (en) | 1986-09-26 | 1989-10-13 | Bbc Brown Boveri & Cie | |
US4971768A (en) * | 1987-11-23 | 1990-11-20 | United Technologies Corporation | Diffuser with convoluted vortex generator |
US5110560A (en) * | 1987-11-23 | 1992-05-05 | United Technologies Corporation | Convoluted diffuser |
US4923370A (en) * | 1988-11-28 | 1990-05-08 | Allied-Signal Inc. | Radial turbine wheel |
DE59007880D1 (en) | 1990-12-10 | 1995-01-12 | Asea Brown Boveri | Storage of a thermal turbo machine. |
US5487266A (en) * | 1992-05-05 | 1996-01-30 | General Electric Company | Combustion control for producing low NOx emissions through use of flame spectroscopy |
JP3564420B2 (en) * | 2001-04-27 | 2004-09-08 | 三菱重工業株式会社 | gas turbine |
EP1262637A1 (en) * | 2001-05-31 | 2002-12-04 | ALSTOM (Switzerland) Ltd | Gas turbine power plant and method therefor |
JP4929217B2 (en) * | 2008-03-28 | 2012-05-09 | 三菱重工業株式会社 | Gas turbine, gas turbine intermediate shaft, and gas turbine compressor cooling method |
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 (en) * | 2010-06-17 | 2012-10-04 | Esg Mbh | mixer |
EP2407638A1 (en) * | 2010-07-15 | 2012-01-18 | Siemens Aktiengesellschaft | Exhaust gas diffuser for a gas turbine and method for operating a gas turbine with such an exhaust gas diffuser |
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 (en) * | 2011-10-03 | 2015-11-30 | Gen Electric | Exhaust gas diffuser and a turbine |
US20130091865A1 (en) * | 2011-10-17 | 2013-04-18 | General Electric Company | Exhaust gas diffuser |
-
2011
- 2011-11-17 DE DE102011118735A patent/DE102011118735A1/en not_active Withdrawn
-
2012
- 2012-11-06 EP EP12191495.6A patent/EP2594741A3/en not_active Withdrawn
- 2012-11-16 US US13/678,676 patent/US20130129498A1/en not_active Abandoned
- 2012-11-16 CN CN201210465817.7A patent/CN103122776B/en not_active Expired - Fee Related
- 2012-11-16 RU RU2012148919/06A patent/RU2569015C2/en not_active IP Right Cessation
- 2012-11-16 JP JP2012252515A patent/JP2013108498A/en active Pending
-
2016
- 2016-07-14 JP JP2016139281A patent/JP6188885B2/en not_active Expired - Fee Related
Patent Citations (4)
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 |
US5230656A (en) * | 1992-08-05 | 1993-07-27 | Carrier Corporation | Mixer ejector flow distributor |
US20110058939A1 (en) * | 2009-06-02 | 2011-03-10 | John Orosa | Turbine exhaust diffuser with a gas jet producing a coanda effect flow control |
US20110088379A1 (en) * | 2009-10-15 | 2011-04-21 | General Electric Company | Exhaust gas diffuser |
Also Published As
Publication number | Publication date |
---|---|
CN103122776B (en) | 2016-02-10 |
JP2013108498A (en) | 2013-06-06 |
DE102011118735A1 (en) | 2013-05-23 |
US20130129498A1 (en) | 2013-05-23 |
JP6188885B2 (en) | 2017-08-30 |
RU2012148919A (en) | 2014-05-27 |
EP2594741A2 (en) | 2013-05-22 |
CN103122776A (en) | 2013-05-29 |
JP2016180412A (en) | 2016-10-13 |
RU2569015C2 (en) | 2015-11-20 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
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AK | Designated contracting states |
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AX | Request for extension of the european patent |
Extension state: BA ME |
|
RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: GENERAL ELECTRIC TECHNOLOGY GMBH |
|
RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: ANSALDO ENERGIA SWITZERLAND AG |
|
PUAL | Search report despatched |
Free format text: ORIGINAL CODE: 0009013 |
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Extension state: BA ME |
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RIC1 | Information provided on ipc code assigned before grant |
Ipc: F01D 9/02 20060101AFI20170714BHEP Ipc: F01D 25/16 20060101ALI20170714BHEP Ipc: F01D 1/02 20060101ALI20170714BHEP Ipc: F01D 9/04 20060101ALI20170714BHEP |
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17P | Request for examination filed |
Effective date: 20180222 |
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RBV | Designated contracting states (corrected) |
Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR |
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STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
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18D | Application deemed to be withdrawn |
Effective date: 20180523 |