ES269749U - Un ventilador axial mejorado. - Google Patents

Un ventilador axial mejorado.

Info

Publication number
ES269749U
ES269749U ES1981269749U ES269749U ES269749U ES 269749 U ES269749 U ES 269749U ES 1981269749 U ES1981269749 U ES 1981269749U ES 269749 U ES269749 U ES 269749U ES 269749 U ES269749 U ES 269749U
Authority
ES
Spain
Prior art keywords
controllable
moving blade
axial fan
blade type
pitch moving
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.)
Granted
Application number
ES1981269749U
Other languages
English (en)
Other versions
ES269749Y (es
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 filed Critical
Publication of ES269749U publication Critical patent/ES269749U/es
Application granted granted Critical
Publication of ES269749Y publication Critical patent/ES269749Y/es
Expired legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01DNON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D7/00Rotors with blades adjustable in operation; Control thereof
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01DNON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D11/00Preventing or minimising internal leakage of working-fluid, e.g. between stages
    • F01D11/08Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between rotor blade tips and stator
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/26Rotors specially for elastic fluids
    • F04D29/32Rotors specially for elastic fluids for axial flow pumps
    • F04D29/321Rotors specially for elastic fluids for axial flow pumps for axial flow compressors
    • F04D29/322Blade mountings
    • F04D29/323Blade mountings adjustable
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/26Rotors specially for elastic fluids
    • F04D29/32Rotors specially for elastic fluids for axial flow pumps
    • F04D29/34Blade mountings
    • F04D29/36Blade mountings adjustable
    • F04D29/362Blade mountings adjustable during rotation
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/40Casings; Connections of working fluid
    • F04D29/52Casings; Connections of working fluid for axial pumps
    • F04D29/522Casings; Connections of working fluid for axial pumps especially adapted for elastic fluid pumps
    • F04D29/526Details of the casing section radially opposing blade tips
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/66Combating cavitation, whirls, noise, vibration or the like; Balancing
    • F04D29/68Combating cavitation, whirls, noise, vibration or the like; Balancing by influencing boundary layers
    • F04D29/681Combating cavitation, whirls, noise, vibration or the like; Balancing by influencing boundary layers especially adapted for elastic fluid pumps
    • F04D29/685Inducing localised fluid recirculation in the stator-rotor interface
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05DINDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2260/00Function
    • F05D2260/70Adjusting of angle of incidence or attack of rotating blades
    • F05D2260/74Adjusting of angle of incidence or attack of rotating blades by turning around an axis perpendicular the rotor centre line
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05DINDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2260/00Function
    • F05D2260/70Adjusting of angle of incidence or attack of rotating blades
    • F05D2260/76Adjusting of angle of incidence or attack of rotating blades the adjusting mechanism using auxiliary power sources
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T50/00Aeronautics or air transport
    • Y02T50/60Efficient propulsion technologies, e.g. for aircraft
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S415/00Rotary kinetic fluid motors or pumps
    • Y10S415/914Device to control boundary layer

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Control Of Positive-Displacement Air Blowers (AREA)

Abstract

Un ventilador axial mejorado del tipo de paletas móviles con paso regulable, en los cuales el cubo del rotor de ventilador está equipado de un mecanismo de paletas móviles. con paso regulable capaz de cambiar el ángulo de reglaje de las paletas durante el funcionamiento, estando caracterizadas dichas mejoras porque incluyen un tratamiento de envoltura formado en la pared interna de la envoltura opuesta a la circunferencia del círculo de mayor diámetro de dichas paletas y a lo largo de la misma.
ES1981269749U 1980-12-02 1981-12-01 Un ventilador axial mejorado. Expired ES269749Y (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1980172122U JPS6318799Y2 (es) 1980-12-02 1980-12-02

Publications (2)

Publication Number Publication Date
ES269749U true ES269749U (es) 1983-07-01
ES269749Y ES269749Y (es) 1984-01-16

Family

ID=15935956

Family Applications (1)

Application Number Title Priority Date Filing Date
ES1981269749U Expired ES269749Y (es) 1980-12-02 1981-12-01 Un ventilador axial mejorado.

Country Status (5)

Country Link
US (1) US4540335A (es)
JP (1) JPS6318799Y2 (es)
AU (1) AU550254B2 (es)
DE (1) DE3147713A1 (es)
ES (1) ES269749Y (es)

Families Citing this family (50)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59108000U (ja) * 1983-01-13 1984-07-20 三菱重工業株式会社 ケーシング・トリートメントを有する軸流ファン
JPS59157600U (ja) * 1983-04-08 1984-10-23 三菱重工業株式会社 静翼可変軸流圧縮機
JPS613998U (ja) * 1984-06-13 1986-01-11 三菱重工業株式会社 流体機械のケ−シングトリ−トメント装置
GB2245312B (en) * 1984-06-19 1992-03-25 Rolls Royce Plc Axial flow compressor surge margin improvement
CA1314486C (en) * 1984-06-19 1993-03-16 Michael John Charles Waterman Axial flow compressor surge margin improvement
US4781530A (en) * 1986-07-28 1988-11-01 Cummins Engine Company, Inc. Compressor range improvement means
DE3927791A1 (de) * 1989-08-23 1991-02-28 Gebhardt Ventilatoren Axialventilator
EP0537503B1 (de) * 1991-10-17 1996-04-10 Asea Brown Boveri Ag Vorrichtung und Verfahren zum Reduzieren einer oder mehrerer resonanter Schwingungen von Laufschaufeln in Turbomaschinen
US5277541A (en) * 1991-12-23 1994-01-11 Allied-Signal Inc. Vaned shroud for centrifugal compressor
RU2034175C1 (ru) * 1993-03-11 1995-04-30 Центральный институт авиационного моторостроения им.П.И.Баранова Турбокомпрессор
US6375416B1 (en) * 1993-07-15 2002-04-23 Kevin J. Farrell Technique for reducing acoustic radiation in turbomachinery
US5649806A (en) * 1993-11-22 1997-07-22 United Technologies Corporation Enhanced film cooling slot for turbine blade outer air seals
DE69508256T2 (de) * 1994-06-14 1999-10-14 United Technologies Corp Statorstruktur mit unterbrochenen ringnuten
US5520508A (en) * 1994-12-05 1996-05-28 United Technologies Corporation Compressor endwall treatment
JPH11193798A (ja) * 1997-12-26 1999-07-21 Matsushita Electric Ind Co Ltd 送風装置
DE69909120T2 (de) * 1998-11-13 2003-12-24 Pratt & Whitney Canada Gehäusekonfiguration für einen verdichter
US6164911A (en) * 1998-11-13 2000-12-26 Pratt & Whitney Canada Corp. Low aspect ratio compressor casing treatment
US6231301B1 (en) * 1998-12-10 2001-05-15 United Technologies Corporation Casing treatment for a fluid compressor
US6527509B2 (en) * 1999-04-26 2003-03-04 Hitachi, Ltd. Turbo machines
US6234747B1 (en) * 1999-11-15 2001-05-22 General Electric Company Rub resistant compressor stage
GB2362432B (en) * 2000-05-19 2004-06-09 Rolls Royce Plc Tip treatment bars in a gas turbine engine
US6350102B1 (en) * 2000-07-19 2002-02-26 General Electric Company Shroud leakage flow discouragers
US7861823B2 (en) * 2005-11-04 2011-01-04 United Technologies Corporation Duct for reducing shock related noise
FR2912789B1 (fr) * 2007-02-21 2009-10-02 Snecma Sa Carter avec traitement de carter, compresseur et turbomachine comportant un tel carter.
US20080260522A1 (en) * 2007-04-18 2008-10-23 Ioannis Alvanos Gas turbine engine with integrated abradable seal and mount plate
DE102008052401A1 (de) * 2008-10-21 2010-04-22 Rolls-Royce Deutschland Ltd & Co Kg Strömungsarbeitsmaschine mit Laufspalteinzug
US20130259691A1 (en) * 2009-07-17 2013-10-03 General Electric Company Perforated turbine bucket tip cover
EP2305960B1 (fr) * 2009-09-28 2013-07-31 Techspace Aero S.A. Valve de purge dans le canal primaire du compresseur et procédé correspondant de suppression de phénomène de pompage
US8444371B2 (en) * 2010-04-09 2013-05-21 General Electric Company Axially-oriented cellular seal structure for turbine shrouds and related method
US8602720B2 (en) * 2010-06-22 2013-12-10 Honeywell International Inc. Compressors with casing treatments in gas turbine engines
GB2483060B (en) * 2010-08-23 2013-05-15 Rolls Royce Plc A turbomachine casing assembly
GB2487900B (en) * 2011-02-03 2013-02-06 Rolls Royce Plc A turbomachine comprising an annular casing and a bladed rotor
DE102011006275A1 (de) 2011-03-28 2012-10-04 Rolls-Royce Deutschland Ltd & Co Kg Stator einer Axialverdichterstufe einer Turbomaschine
DE102011006273A1 (de) 2011-03-28 2012-10-04 Rolls-Royce Deutschland Ltd & Co Kg Rotor einer Axialverdichterstufe einer Turbomaschine
DE102011007767A1 (de) * 2011-04-20 2012-10-25 Rolls-Royce Deutschland Ltd & Co Kg Strömungsmaschine
FR2988146B1 (fr) * 2012-03-15 2014-04-11 Snecma Carter pour roue a aubes de turbomachine ameliore et turbomachine equipee dudit carter
FR2989744B1 (fr) * 2012-04-19 2014-06-13 Snecma Carter de compresseur a cavites au calage optimise
EP2713009B1 (en) * 2012-09-26 2015-03-11 Alstom Technology Ltd Cooling method and system for cooling blades of at least one blade row in a rotary flow machine
DE102013201761A1 (de) * 2013-02-04 2014-08-07 Bosch Mahle Turbo Systems Gmbh & Co. Kg Gehäusebauteil
FR3006722B1 (fr) * 2013-06-06 2017-11-24 Snecma Dispositif de depoussierage de compresseur de turbomachine
EP2818724B1 (de) * 2013-06-27 2020-09-23 MTU Aero Engines GmbH Strömungsmaschine und Verfahren
CN104329281B (zh) * 2014-10-20 2017-06-13 东方日立(成都)电控设备有限公司 一种动叶可调式引风机变频节能***
US10107307B2 (en) * 2015-04-14 2018-10-23 Pratt & Whitney Canada Corp. Gas turbine engine rotor casing treatment
JP6624846B2 (ja) * 2015-08-19 2019-12-25 株式会社荏原製作所 ターボ機械
CA2955646A1 (en) * 2016-01-19 2017-07-19 Pratt & Whitney Canada Corp. Gas turbine engine rotor blade casing
KR102488570B1 (ko) 2016-02-02 2023-01-13 한화파워시스템 주식회사 유체기계
EP3530957B1 (en) * 2017-02-08 2021-05-12 Mitsubishi Heavy Industries Engine & Turbocharger, Ltd. Compressor and turbocharger
US11473438B2 (en) * 2019-06-04 2022-10-18 Honeywell International Inc. Grooved rotor casing system using additive manufacturing method
US11286955B2 (en) 2019-10-11 2022-03-29 General Electric Company Ducted fan with fan casing defining an over-rotor cavity
CN112727635B (zh) * 2020-12-31 2022-04-26 中国航空发动机研究院 一种双外涵发动机

Family Cites Families (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1903823A (en) * 1928-12-28 1933-04-18 Lougheed Victor Aerodynamic surface
US2361887A (en) * 1941-06-27 1944-10-31 Sulzer Ag Gas turbine plant
US2382535A (en) * 1943-01-26 1945-08-14 Buffalo Forge Co Axial flow fan
GB619722A (en) * 1946-12-20 1949-03-14 English Electric Co Ltd Improvements in and relating to boundary layer control in fluid conduits
US2698129A (en) * 1949-05-12 1954-12-28 Joy Mfg Co Multistage axial fan with boundary layer control
US2685429A (en) * 1950-01-31 1954-08-03 Gen Electric Dynamic sealing arrangement for turbomachines
US2720356A (en) * 1952-06-12 1955-10-11 John R Erwin Continuous boundary layer control in compressors
US2925711A (en) * 1956-06-11 1960-02-23 Chance Vought Aircraft Inc Means for improving total pressure distribution and value in air supplied to a jet engine
US2963268A (en) * 1957-03-25 1960-12-06 Gen Electric Pressurized seal
GB938534A (en) * 1962-05-22 1963-10-02 Rolls Royce Compressors for gas turbine engines
US3365172A (en) * 1966-11-02 1968-01-23 Gen Electric Air cooled shroud seal
GB1290516A (es) * 1968-11-22 1972-09-27
DE1815229A1 (de) * 1968-12-17 1970-08-13 Daimler Benz Ag Abblasvorrichtung fuer eine Turbomaschine
GB1294898A (es) * 1969-12-13 1972-11-01
FR2166494A5 (es) * 1971-12-27 1973-08-17 Onera (Off Nat Aerospatiale)
US3970319A (en) * 1972-11-17 1976-07-20 General Motors Corporation Seal structure
US3819009A (en) * 1973-02-01 1974-06-25 Gen Electric Duct wall acoustic treatment
GB1490923A (en) * 1975-06-23 1977-11-02 Short Brothers & Harland Ltd Sound-absorbing structures
GB1518293A (en) * 1975-09-25 1978-07-19 Rolls Royce Axial flow compressors particularly for gas turbine engines
US4155680A (en) * 1977-02-14 1979-05-22 General Electric Company Compressor protection means
US4155681A (en) * 1977-02-14 1979-05-22 General Electric Company Manifold protection system
US4157880A (en) * 1977-09-16 1979-06-12 General Electric Company Turbine rotor tip water collector
US4239452A (en) * 1978-06-26 1980-12-16 United Technologies Corporation Blade tip shroud for a compression stage of a gas turbine engine
GB2090334B (en) * 1980-12-29 1983-11-16 Rolls Royce Damping flutter of ducted fans

Also Published As

Publication number Publication date
JPS5795500U (es) 1982-06-11
JPS6318799Y2 (es) 1988-05-26
AU7760481A (en) 1982-06-10
ES269749Y (es) 1984-01-16
DE3147713A1 (de) 1982-06-24
AU550254B2 (en) 1986-03-13
US4540335A (en) 1985-09-10

Similar Documents

Publication Publication Date Title
ES269749U (es) Un ventilador axial mejorado.
AU529618B2 (en) Axial flow fan with auxiliary blades
AU517252B2 (en) Axial flow fan having auxiliary blade
AU3177877A (en) Axial flow fan having auxiliary blade
GB1548471A (en) Fan having forward-curved blades
IT7825635A0 (it) Gruppo pala e rotore cedevole per elicotteri.
ES238389U (es) Conformacion de los rodetes para rotores de bombas centrifu-gas de tipo radial y semiaxial
JPS5430517A (en) Axial flow blower with variable pitch blade
ES8205444A1 (es) Maquina volumetrica de paletas
NL180245C (nl) Centrifugaalpomp of compressor met een afdichtlichaam op de rotoras.
JPS5377319A (en) Axial-flow fan
USD262736S (en) Fan blade
JPS5248808A (en) Rotary-type pump, a compressor, a gas-motor
JPS53116512A (en) Axial flow impeller
ES469687A1 (es) Un ventilador axial
JPS5415511A (en) Electric blower
FR2331704A1 (fr) Dispositif d'assemblage reglable d'une piece sur un bout d'arbre
ZA8010B (en) Centrifugal fanwheel with replaceable blade liner
JPS5336357A (en) Outer balde unit for rotary electric razor
JPS55233A (en) Disposal of old tire
ES435535A1 (es) Perfeccionamientos en compresores de anillo.
JPS5434961A (en) Rotary electric razor
JPS53116511A (en) Axial flow blower
JPS52116359A (en) Rotary electric razor
JPS53117806A (en) Centrifugal blower