DE2712770C3 - Strömungsdiffusor - Google Patents

Strömungsdiffusor

Info

Publication number
DE2712770C3
DE2712770C3 DE2712770A DE2712770A DE2712770C3 DE 2712770 C3 DE2712770 C3 DE 2712770C3 DE 2712770 A DE2712770 A DE 2712770A DE 2712770 A DE2712770 A DE 2712770A DE 2712770 C3 DE2712770 C3 DE 2712770C3
Authority
DE
Germany
Prior art keywords
flow
flow channel
diffuser
chamber
channel
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.)
Expired
Application number
DE2712770A
Other languages
German (de)
English (en)
Other versions
DE2712770A1 (de
DE2712770B2 (de
Inventor
James Oswald Bishopston Bristol Yost
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.)
Rolls Royce PLC
Original Assignee
Rolls Royce PLC
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 Rolls Royce PLC filed Critical Rolls Royce PLC
Publication of DE2712770A1 publication Critical patent/DE2712770A1/de
Publication of DE2712770B2 publication Critical patent/DE2712770B2/de
Application granted granted Critical
Publication of DE2712770C3 publication Critical patent/DE2712770C3/de
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23R—GENERATING COMBUSTION PRODUCTS OF HIGH PRESSURE OR HIGH VELOCITY, e.g. GAS-TURBINE COMBUSTION CHAMBERS
    • F23R3/00—Continuous combustion chambers using liquid or gaseous fuel
    • F23R3/02—Continuous combustion chambers using liquid or gaseous fuel characterised by the air-flow or gas-flow configuration
    • 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
    • F01D25/30—Exhaust heads, chambers, or the like
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
    • F04D29/68—Combating cavitation, whirls, noise, vibration or the like; Balancing by influencing boundary layers
    • F04D29/681—Combating cavitation, whirls, noise, vibration or the like; Balancing by influencing boundary layers especially adapted for elastic fluid pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
    • F04D29/68—Combating cavitation, whirls, noise, vibration or the like; Balancing by influencing boundary layers
    • F04D29/681—Combating cavitation, whirls, noise, vibration or the like; Balancing by influencing boundary layers especially adapted for elastic fluid pumps
    • F04D29/682—Combating cavitation, whirls, noise, vibration or the like; Balancing by influencing boundary layers especially adapted for elastic fluid pumps by fluid extraction
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S415/00—Rotary kinetic fluid motors or pumps
    • Y10S415/914—Device to control boundary layer

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
DE2712770A 1976-03-24 1977-03-23 Strömungsdiffusor Expired DE2712770C3 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB11778/76A GB1573926A (en) 1976-03-24 1976-03-24 Fluid flow diffuser

Publications (3)

Publication Number Publication Date
DE2712770A1 DE2712770A1 (de) 1977-10-13
DE2712770B2 DE2712770B2 (de) 1981-05-07
DE2712770C3 true DE2712770C3 (de) 1982-03-04

Family

ID=9992533

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2712770A Expired DE2712770C3 (de) 1976-03-24 1977-03-23 Strömungsdiffusor

Country Status (7)

Country Link
US (1) US4098073A (enExample)
JP (1) JPS52145608A (enExample)
CH (1) CH614494A5 (enExample)
DE (1) DE2712770C3 (enExample)
FR (1) FR2345592A1 (enExample)
GB (1) GB1573926A (enExample)
IT (1) IT1115510B (enExample)

Families Citing this family (38)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4232516A (en) * 1977-10-05 1980-11-11 Rolls-Royce Limited Flow deflecting devices
CH635171A5 (de) * 1978-06-08 1983-03-15 Bbc Brown Boveri & Cie Einrichtung an einem diffusor zum unterdruecken von resonanzen.
US4231971A (en) * 1979-04-11 1980-11-04 Dresser Industries, Inc. Flow method and device
US4272955A (en) * 1979-06-28 1981-06-16 General Electric Company Diffusing means
JPS5672206A (en) 1979-11-14 1981-06-16 Nissan Motor Co Ltd Diffuser with collector
EP0035838B1 (en) * 1980-03-10 1985-02-06 Rolls-Royce Plc Diffusion apparatus
US4515524A (en) * 1982-09-27 1985-05-07 Allis-Chalmers Corporation Draft tube for hydraulic turbine
US4549847A (en) * 1982-11-04 1985-10-29 A.S. Kongsberg Vapenfabrikk High area ratio, variable entrance geometry compressor diffuser
US4474350A (en) * 1982-12-02 1984-10-02 Field Aviation Company Ltd. Probe for water bomber
US4512158A (en) * 1983-06-16 1985-04-23 United Technologies Corporation High blockage diffuser with means for minimizing wakes
FR2602275B1 (fr) * 1986-08-04 1990-08-10 Onera (Off Nat Aerospatiale) Perfectionnements aux tuyeres de propulseurs pour reduction d'efforts lateraux
US4989807A (en) * 1988-04-07 1991-02-05 Grumman Aerospace Corporation S-shaped jet engine inlet diffuser
WO1990005238A1 (fr) * 1988-10-31 1990-05-17 Proizvodstvennoe Obiedinenie 'nevsky Zavod' Imeni V.I.Lenina Procede et dispositif diffuseur pour elargir un flux
US5187931A (en) * 1989-10-16 1993-02-23 General Electric Company Combustor inner passage with forward bleed openings
DE4300275A1 (de) * 1993-01-08 1994-07-14 Abb Management Ag Verfahren zum Betrieb eines Turboverdichters
EP0741850B1 (de) * 1994-01-24 1998-05-27 Siemens Aktiengesellschaft Verfahren zur verbrennung eines brennstoffes in verdichteter luft
US5632142A (en) * 1995-02-15 1997-05-27 Surette; Robert G. Stationary gas turbine power system and related method
US5725180A (en) * 1995-12-29 1998-03-10 General Electric Company Aircraft engine pitot plenum intake
DE19805115A1 (de) * 1998-02-09 1999-08-19 Siemens Ag Abgasdiffusor
US6444033B1 (en) * 1999-11-12 2002-09-03 Delsys Pharmaceutical Corp. Article comprising a diffuser with flow control features
FR2835019B1 (fr) * 2002-01-22 2004-12-31 Snecma Moteurs Diffuseur pour moteur a turbine a gaz terrestre ou aeronautique
US6843059B2 (en) * 2002-11-19 2005-01-18 General Electric Company Combustor inlet diffuser with boundary layer blowing
GB0229307D0 (en) 2002-12-17 2003-01-22 Rolls Royce Plc A diffuser arrangement
WO2010096817A2 (en) 2009-02-23 2010-08-26 Williams International Co., L.L.C. Combustion system
US8474266B2 (en) * 2009-07-24 2013-07-02 General Electric Company System and method for a gas turbine combustor having a bleed duct from a diffuser to a fuel nozzle
JP5535562B2 (ja) * 2009-09-16 2014-07-02 三菱重工業株式会社 排出スクロール及びターボ機械
US8381532B2 (en) * 2010-01-27 2013-02-26 General Electric Company Bled diffuser fed secondary combustion system for gas turbines
EP2381071A1 (de) * 2010-04-21 2011-10-26 Siemens Aktiengesellschaft Abgasdiffusor einer Gasturbine
EP2386720A1 (de) * 2010-05-11 2011-11-16 Siemens Aktiengesellschaft Abgasdiffusor mit Lochblende
US20120027578A1 (en) * 2010-07-30 2012-02-02 General Electric Company Systems and apparatus relating to diffusers in combustion turbine engines
US8744251B2 (en) 2010-11-17 2014-06-03 3M Innovative Properties Company Apparatus and methods for delivering a heated fluid
RU2013154700A (ru) 2011-06-30 2015-08-10 Прэтт Энд Уитни Кэнэдэ Корп Диффузорная трубка и узел для газотурбинного двигателя
US9239166B2 (en) * 2012-10-29 2016-01-19 Solar Turbines Incorporated Gas turbine diffuser with flow separator
US9874223B2 (en) 2013-06-17 2018-01-23 Pratt & Whitney Canada Corp. Diffuser pipe for a gas turbine engine and method for manufacturing same
JP5975057B2 (ja) * 2014-04-15 2016-08-23 トヨタ自動車株式会社 タービンハウジング
DE102017121337A1 (de) * 2017-09-14 2019-03-14 Abb Turbo Systems Ag Diffusor einer abgasturbine
CN112249383A (zh) * 2020-09-27 2021-01-22 黑龙江省农业机械工程科学研究院牡丹江农业机械化研究所 配装防粘连计量装置的粘性物料分装机
US11486262B2 (en) * 2021-03-03 2022-11-01 General Electric Company Diffuser bleed assembly

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB580841A (en) * 1941-05-07 1946-09-23 David Macleish Smith Improvements in gas impressors
US2841182A (en) * 1955-12-29 1958-07-01 Westinghouse Electric Corp Boundary layer fluid control apparatus
US3000401A (en) * 1960-01-29 1961-09-19 Friedrich O Ringleb Boundary layer flow control device
DE1187432B (de) * 1960-11-19 1965-02-18 Theodor Helmbold Dr Ing Diffusor mit Fuehrungsmulden fuer die Hauptstroemung beruehrende Potentialwirbel
US3216455A (en) * 1961-12-05 1965-11-09 Gen Electric High performance fluidynamic component
GB1000767A (en) * 1963-05-08 1965-08-11 Int Research & Dev Co Ltd Diffusers for fluids
DE1264360B (de) * 1963-06-17 1968-03-21 Neyrpic S A Ets Diffusor fuer Stroemungsmaschinen, insbesondere als Saugrohr bzw. Saugkruemmer fuer Wasserturbinen
GB1259124A (enExample) * 1968-12-06 1972-01-05
GB1314819A (en) * 1969-07-30 1973-04-26 Secr Defence Fluid flow diffusion ducts of gas turbine engines

Also Published As

Publication number Publication date
JPS5613170B2 (enExample) 1981-03-26
GB1573926A (en) 1980-08-28
JPS52145608A (en) 1977-12-03
US4098073A (en) 1978-07-04
DE2712770A1 (de) 1977-10-13
DE2712770B2 (de) 1981-05-07
CH614494A5 (enExample) 1979-11-30
FR2345592B1 (enExample) 1980-03-28
FR2345592A1 (fr) 1977-10-21
IT1115510B (it) 1986-02-03

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Legal Events

Date Code Title Description
OD Request for examination
C3 Grant after two publication steps (3rd publication)
8327 Change in the person/name/address of the patent owner

Owner name: ROLLS-ROYCE PLC, LONDON, GB

8339 Ceased/non-payment of the annual fee