DE3168712D1 - Diffusion apparatus - Google Patents

Diffusion apparatus

Info

Publication number
DE3168712D1
DE3168712D1 DE8181300734T DE3168712T DE3168712D1 DE 3168712 D1 DE3168712 D1 DE 3168712D1 DE 8181300734 T DE8181300734 T DE 8181300734T DE 3168712 T DE3168712 T DE 3168712T DE 3168712 D1 DE3168712 D1 DE 3168712D1
Authority
DE
Germany
Prior art keywords
diffusion apparatus
diffusion
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
DE8181300734T
Other languages
English (en)
Inventor
Richard Cyril Adkins
James Oswald 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
Application granted granted Critical
Publication of DE3168712D1 publication Critical patent/DE3168712D1/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
    • F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
    • F04D27/009—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids by bleeding, by passing or recycling fluid
    • 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
    • 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
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/52—Casings; Connections of working fluid for axial pumps
    • F04D29/54—Fluid-guiding means, e.g. diffusers
    • F04D29/541—Specially adapted for elastic fluid pumps
    • F04D29/545—Ducts
    • F04D29/547—Ducts having a special shape in order to influence fluid flow
DE8181300734T 1980-03-10 1981-02-23 Diffusion apparatus Expired DE3168712D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8008070 1980-03-10

Publications (1)

Publication Number Publication Date
DE3168712D1 true DE3168712D1 (de) 1985-03-21

Family

ID=10511976

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8181300734T Expired DE3168712D1 (de) 1980-03-10 1981-02-23 Diffusion apparatus

Country Status (4)

Country Link
US (1) US4497445A (de)
EP (1) EP0035838B1 (de)
JP (1) JPS56138506A (de)
DE (1) DE3168712D1 (de)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT383396B (de) * 1984-08-17 1987-06-25 Proizv Ob Turbostroenia Niederdruckzylinder einer dampfturbine
CH672004A5 (de) * 1986-09-26 1989-10-13 Bbc Brown Boveri & Cie
WO1990005238A1 (en) * 1988-10-31 1990-05-17 Proizvodstvennoe Obiedinenie 'nevsky Zavod' Imeni V.I.Lenina Method and diffuser device for widening a flow
US4979361A (en) * 1989-07-13 1990-12-25 United Technologies Corporation Stepped diffuser
US5632142A (en) * 1995-02-15 1997-05-27 Surette; Robert G. Stationary gas turbine power system and related method
JP3478914B2 (ja) * 1995-10-20 2003-12-15 株式会社日立製作所 流体噴射ノズル及びそのノズルを用いた応力改善処理方法
US5813828A (en) * 1997-03-18 1998-09-29 Norris; Thomas R. Method and apparatus for enhancing gas turbo machinery flow
AU1181199A (en) * 1997-10-17 1999-05-10 Zakrytoe Aktsionernoe Obschestvo "Entek" Exhaust duct for a steam turbine
IL131591A (en) * 1999-08-25 2008-03-20 Yuval Yassour Adaptive vacuum grip system
TWI222423B (en) * 2001-12-27 2004-10-21 Orbotech Ltd System and methods for conveying and transporting levitated articles
GB0229307D0 (en) * 2002-12-17 2003-01-22 Rolls Royce Plc A diffuser arrangement
DE102004023279A1 (de) * 2004-05-11 2005-12-01 Volkswagen Ag Abgasturbolader für eine Brennkraftmaschine mit variabler Turbinengeometrie
US8313286B2 (en) * 2008-07-28 2012-11-20 Siemens Energy, Inc. Diffuser apparatus in a turbomachine
EP2386720A1 (de) * 2010-05-11 2011-11-16 Siemens Aktiengesellschaft Abgasdiffusor mit Lochblende
WO2013002667A1 (en) 2011-06-30 2013-01-03 Pratt & Whitney Canada Corp Diffuser pipe and assembly for gas turbine engine
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
US20130091865A1 (en) * 2011-10-17 2013-04-18 General Electric Company Exhaust gas diffuser
DE102011118735A1 (de) * 2011-11-17 2013-05-23 Alstom Technology Ltd. Diffusor, insbesondere für eine axiale strömungsmaschine
US9046005B2 (en) 2013-04-03 2015-06-02 General Electric Company Gas turbine exhaust diffuser with helical turbulator
US9874223B2 (en) 2013-06-17 2018-01-23 Pratt & Whitney Canada Corp. Diffuser pipe for a gas turbine engine and method for manufacturing same
US9617914B2 (en) * 2013-06-28 2017-04-11 General Electric Company Systems and methods for monitoring gas turbine systems having exhaust gas recirculation
JP6137542B2 (ja) * 2013-08-20 2017-05-31 愛知時計電機株式会社 圧損低減構造及び流量計及びサイレンサ及び整流器
US10829228B2 (en) 2017-01-17 2020-11-10 Itt Manufacturing Enterprises, Llc Fluid straightening connection unit
US11268444B2 (en) * 2017-05-18 2022-03-08 Raytheon Technologies Corporation Turbine cooling arrangement

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1084330A (de) * 1900-01-01
GB568170A (de) * 1900-01-01
US2841182A (en) * 1955-12-29 1958-07-01 Westinghouse Electric Corp Boundary layer fluid control apparatus
FR1210899A (fr) * 1958-09-08 1960-03-11 Procédé permettant de créer par l'écoulement d'un jet fluide plat une ou plusieurs zones de dépression
DE1187432B (de) * 1960-11-19 1965-02-18 Theodor Helmbold Dr Ing Diffusor mit Fuehrungsmulden fuer die Hauptstroemung beruehrende Potentialwirbel
US3144202A (en) * 1960-11-19 1964-08-11 Helmbold Theodor Stabilizing devices for generating and guiding potential whirls
US3216455A (en) * 1961-12-05 1965-11-09 Gen Electric High performance fluidynamic component
US3452769A (en) * 1966-05-18 1969-07-01 United Aircraft Corp Aerodynamic gas valve tab control
US3452782A (en) * 1966-07-08 1969-07-01 Gen Electric Fluid discharge casing
GB1573926A (en) * 1976-03-24 1980-08-28 Rolls Royce Fluid flow diffuser
JPS551272Y2 (de) * 1976-04-08 1980-01-14
JPS52134244A (en) * 1976-05-06 1977-11-10 Matsushita Electric Ind Co Ltd Air blowing device
DE2721065A1 (de) * 1977-05-11 1978-11-16 Motoren Turbinen Union Brennkammer fuer gasturbinentriebwerke mit besonderer ausbildung des brennkammereinlaufs

Also Published As

Publication number Publication date
JPS56138506A (en) 1981-10-29
EP0035838B1 (de) 1985-02-06
JPS6115286B2 (de) 1986-04-23
EP0035838A1 (de) 1981-09-16
US4497445A (en) 1985-02-05

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Legal Events

Date Code Title Description
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