DE102011118735A1 - Diffusor, insbesondere für eine axiale strömungsmaschine - Google Patents

Diffusor, insbesondere für eine axiale strömungsmaschine Download PDF

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Publication number
DE102011118735A1
DE102011118735A1 DE102011118735A DE102011118735A DE102011118735A1 DE 102011118735 A1 DE102011118735 A1 DE 102011118735A1 DE 102011118735 A DE102011118735 A DE 102011118735A DE 102011118735 A DE102011118735 A DE 102011118735A DE 102011118735 A1 DE102011118735 A1 DE 102011118735A1
Authority
DE
Germany
Prior art keywords
diffuser
flow
sectional area
cross
stages
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Withdrawn
Application number
DE102011118735A
Other languages
German (de)
English (en)
Inventor
Willy Heinz Hoffmann
Armin Busekros
Thomas Peter SOMMER
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
General Electric Technology GmbH
Original Assignee
Alstom Technology AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Alstom Technology AG filed Critical Alstom Technology AG
Priority to DE102011118735A priority Critical patent/DE102011118735A1/de
Priority to EP12191495.6A priority patent/EP2594741A3/en
Priority to CN201210465817.7A priority patent/CN103122776B/zh
Priority to RU2012148919/06A priority patent/RU2569015C2/ru
Priority to JP2012252515A priority patent/JP2013108498A/ja
Priority to US13/678,676 priority patent/US20130129498A1/en
Publication of DE102011118735A1 publication Critical patent/DE102011118735A1/de
Priority to JP2016139281A priority patent/JP6188885B2/ja
Withdrawn legal-status Critical Current

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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)
DE102011118735A 2011-11-17 2011-11-17 Diffusor, insbesondere für eine axiale strömungsmaschine Withdrawn DE102011118735A1 (de)

Priority Applications (7)

Application Number Priority Date Filing Date Title
DE102011118735A DE102011118735A1 (de) 2011-11-17 2011-11-17 Diffusor, insbesondere für eine axiale strömungsmaschine
EP12191495.6A EP2594741A3 (en) 2011-11-17 2012-11-06 Diffuser, in particular for an axial flow machine
CN201210465817.7A CN103122776B (zh) 2011-11-17 2012-11-16 用于轴流式机器的扩散器
RU2012148919/06A RU2569015C2 (ru) 2011-11-17 2012-11-16 Диффузор для стационарной газотурбинной установки
JP2012252515A 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
US13/678,676 US20130129498A1 (en) 2011-11-17 2012-11-16 Diffuser, in particular for an axial flow machine
JP2016139281A 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

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102011118735A DE102011118735A1 (de) 2011-11-17 2011-11-17 Diffusor, insbesondere für eine axiale strömungsmaschine

Publications (1)

Publication Number Publication Date
DE102011118735A1 true DE102011118735A1 (de) 2013-05-23

Family

ID=47215404

Family Applications (1)

Application Number Title Priority Date Filing Date
DE102011118735A Withdrawn DE102011118735A1 (de) 2011-11-17 2011-11-17 Diffusor, insbesondere für eine axiale strömungsmaschine

Country Status (6)

Country Link
US (1) US20130129498A1 (zh)
EP (1) EP2594741A3 (zh)
JP (2) JP2013108498A (zh)
CN (1) CN103122776B (zh)
DE (1) DE102011118735A1 (zh)
RU (1) RU2569015C2 (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Families Citing this family (8)

* Cited by examiner, † Cited by third party
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 (fr) 2014-05-23 2017-01-11 GE Energy Products France SNC Structure d'isolation thermo-acoustique pour échappement de machine tournante
EP3023695A1 (de) * 2014-11-20 2016-05-25 Siemens Aktiengesellschaft Thermische Energiemaschine
FR3029568B1 (fr) * 2014-12-05 2016-11-18 Turbomeca Plenum d'alimentation en air
US10563543B2 (en) * 2016-05-31 2020-02-18 General Electric Company Exhaust diffuser
US11291938B2 (en) 2016-12-16 2022-04-05 General Electric Technology Gmbh Coanda effect moisture separator system
KR102350377B1 (ko) * 2020-03-20 2022-01-14 두산중공업 주식회사 유동박리 현상을 줄이는 배기 디퓨저의 허브 구조
US11840937B2 (en) 2021-12-17 2023-12-12 Pratt & Whitney Canada Corp. Diffuser nozzle for a gas turbine engine

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1062066B (de) * 1952-10-15 1959-07-23 Nat Res Dev Einrichtung, insbesondere fuer Gasturbinen-anlagen zum Verbrennen von gasfoermigem oder verdampftem Brennstoff
DE1904438B2 (de) * 1968-02-15 1976-09-30 Escher Wyss Gmbh, 7980 Ravensburg Abstroemgehaeuse einer axialen turbomaschine
EP0265633B1 (de) 1986-09-26 1991-02-06 BBC Brown Boveri AG Axialdurchströmte Turbine
EP0491966A1 (de) 1990-12-10 1992-07-01 Asea Brown Boveri Ag Lagerung einer thermischen Turbomaschine
DE68915126T2 (de) * 1988-11-28 1994-11-03 Allied Signal Inc Radiales Turbinenrad.
EP1262637A1 (de) * 2001-05-31 2002-12-04 ALSTOM (Switzerland) Ltd Verfahren zum Betrieben eines Gasturbinenkraftwerks sowie Gasturbinenkraftwerk
US20110058939A1 (en) 2009-06-02 2011-03-10 John Orosa Turbine exhaust diffuser with a gas jet producing a coanda effect flow control
DE102010038020A1 (de) * 2009-10-15 2011-04-21 General Electric Co. Abgasdiffusor

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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
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
EP0035838B1 (en) * 1980-03-10 1985-02-06 Rolls-Royce Plc Diffusion apparatus
SU1000558A1 (ru) * 1981-04-03 1983-02-28 Донецкий Ордена Трудового Красного Знамени Политехнический Институт Диффузор
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
SU1657672A1 (ru) * 1986-07-28 1991-06-23 Производственное объединение "Невский завод" им.В.И.Ленина Диффузор турбомашины
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
US5487266A (en) * 1992-05-05 1996-01-30 General Electric Company Combustion control for producing low NOx emissions through use of flame spectroscopy
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
JP4929217B2 (ja) * 2008-03-28 2012-05-09 三菱重工業株式会社 ガスタービンおよびガスタービンの中間軸ならびにガスタービン圧縮機の冷却方法
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 (de) * 2010-07-15 2012-01-18 Siemens Aktiengesellschaft Abgasdiffusor für eine Gasturbine und Verfahren zum Betreiben einer Gasturbine mit einem solchen Abgasdiffusor
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

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1062066B (de) * 1952-10-15 1959-07-23 Nat Res Dev Einrichtung, insbesondere fuer Gasturbinen-anlagen zum Verbrennen von gasfoermigem oder verdampftem Brennstoff
DE1904438B2 (de) * 1968-02-15 1976-09-30 Escher Wyss Gmbh, 7980 Ravensburg Abstroemgehaeuse einer axialen turbomaschine
EP0265633B1 (de) 1986-09-26 1991-02-06 BBC Brown Boveri AG Axialdurchströmte Turbine
DE68915126T2 (de) * 1988-11-28 1994-11-03 Allied Signal Inc Radiales Turbinenrad.
EP0491966A1 (de) 1990-12-10 1992-07-01 Asea Brown Boveri Ag Lagerung einer thermischen Turbomaschine
EP1262637A1 (de) * 2001-05-31 2002-12-04 ALSTOM (Switzerland) Ltd Verfahren zum Betrieben eines Gasturbinenkraftwerks sowie Gasturbinenkraftwerk
US20110058939A1 (en) 2009-06-02 2011-03-10 John Orosa Turbine exhaust diffuser with a gas jet producing a coanda effect flow control
DE102010038020A1 (de) * 2009-10-15 2011-04-21 General Electric Co. Abgasdiffusor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Also Published As

Publication number Publication date
JP2013108498A (ja) 2013-06-06
JP2016180412A (ja) 2016-10-13
EP2594741A2 (en) 2013-05-22
CN103122776B (zh) 2016-02-10
CN103122776A (zh) 2013-05-29
RU2569015C2 (ru) 2015-11-20
US20130129498A1 (en) 2013-05-23
JP6188885B2 (ja) 2017-08-30
EP2594741A3 (en) 2017-08-23
RU2012148919A (ru) 2014-05-27

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Representative=s name: DREISS PATENTANWAELTE PARTG MBB, DE

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R119 Application deemed withdrawn, or ip right lapsed, due to non-payment of renewal fee

Effective date: 20140603