FR2287601A1 - Dispositif de changement du pas pour un ventilateur de poussee carene - Google Patents

Dispositif de changement du pas pour un ventilateur de poussee carene

Info

Publication number
FR2287601A1
FR2287601A1 FR7530013A FR7530013A FR2287601A1 FR 2287601 A1 FR2287601 A1 FR 2287601A1 FR 7530013 A FR7530013 A FR 7530013A FR 7530013 A FR7530013 A FR 7530013A FR 2287601 A1 FR2287601 A1 FR 2287601A1
Authority
FR
France
Prior art keywords
fairing
change device
pitch change
thrust fan
thrust
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
FR7530013A
Other languages
English (en)
Other versions
FR2287601B1 (fr
Inventor
John Alfred Violette
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.)
Raytheon Technologies Corp
Original Assignee
United Technologies Corp
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 United Technologies Corp filed Critical United Technologies Corp
Publication of FR2287601A1 publication Critical patent/FR2287601A1/fr
Application granted granted Critical
Publication of FR2287601B1 publication Critical patent/FR2287601B1/fr
Granted legal-status Critical Current

Links

Classifications

    • 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
    • F04D29/26—Rotors specially for elastic fluids
    • F04D29/32—Rotors specially for elastic fluids for axial flow pumps
    • F04D29/321—Rotors specially for elastic fluids for axial flow pumps for axial flow compressors
    • F04D29/322—Blade mountings
    • F04D29/323—Blade mountings adjustable
    • 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
    • F01D7/00—Rotors with blades adjustable in operation; Control thereof
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
    • F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
    • F02C7/36—Power transmission arrangements between the different shafts of the gas turbine plant, or between the gas-turbine plant and the power user
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02K—JET-PROPULSION PLANTS
    • F02K3/00—Plants including a gas turbine driving a compressor or a ducted fan
    • F02K3/02—Plants including a gas turbine driving a compressor or a ducted fan in which part of the working fluid by-passes the turbine and combustion chamber
    • F02K3/04—Plants including a gas turbine driving a compressor or a ducted fan in which part of the working fluid by-passes the turbine and combustion chamber the plant including ducted fans, i.e. fans with high volume, low pressure outputs, for augmenting the jet thrust, e.g. of double-flow type
    • F02K3/06—Plants including a gas turbine driving a compressor or a ducted fan in which part of the working fluid by-passes the turbine and combustion chamber the plant including ducted fans, i.e. fans with high volume, low pressure outputs, for augmenting the jet thrust, e.g. of double-flow type with front fan
    • 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
    • F05D2220/00—Application
    • F05D2220/30—Application in turbines
    • F05D2220/36—Application in turbines specially adapted for the fan of turbofan engines
    • 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
    • F05D2260/40—Transmission of power
    • F05D2260/403—Transmission of power through the shape of the drive components
    • F05D2260/4031—Transmission of power through the shape of the drive components as in toothed gearing
    • F05D2260/40311—Transmission of power through the shape of the drive components as in toothed gearing of the epicyclical, planetary or differential type
    • 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
    • F05D2260/50—Kinematic linkage, i.e. transmission of position
    • F05D2260/56—Kinematic linkage, i.e. transmission of position using cams or eccentrics
    • 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
    • F05D2260/70—Adjusting of angle of incidence or attack of rotating blades
    • F05D2260/74—Adjusting of angle of incidence or attack of rotating blades by turning around an axis perpendicular the rotor centre line
    • 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
    • F05D2260/70—Adjusting of angle of incidence or attack of rotating blades
    • F05D2260/79—Bearing, support or actuation arrangements therefor
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T50/00—Aeronautics or air transport
    • Y02T50/60—Efficient propulsion technologies, e.g. for aircraft

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)
FR7530013A 1974-10-09 1975-10-01 Dispositif de changement du pas pour un ventilateur de poussee carene Granted FR2287601A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/513,323 US4021142A (en) 1974-10-09 1974-10-09 Pitch-change apparatus for a ducted thrust fan

Publications (2)

Publication Number Publication Date
FR2287601A1 true FR2287601A1 (fr) 1976-05-07
FR2287601B1 FR2287601B1 (fr) 1980-11-14

Family

ID=24042774

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7530013A Granted FR2287601A1 (fr) 1974-10-09 1975-10-01 Dispositif de changement du pas pour un ventilateur de poussee carene

Country Status (4)

Country Link
US (1) US4021142A (fr)
JP (1) JPS5164604A (fr)
FR (1) FR2287601A1 (fr)
GB (1) GB1521545A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114435585A (zh) * 2022-01-28 2022-05-06 清华大学 可变桨距风扇及其变距方法

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4717610A (en) * 1987-02-02 1988-01-05 United Technologies Corporation Composite disk for supporting fan blades
US5282719A (en) * 1991-05-13 1994-02-01 Alliedsignal Inc. Quad mode fan pitch actuation system for a gas turbine engine
US5205712A (en) * 1991-05-13 1993-04-27 Allied-Signal Inc. Variable pitch fan gas turbine engine
US7901185B2 (en) * 2007-02-21 2011-03-08 United Technologies Corporation Variable rotor blade for gas turbine engine
US8336289B2 (en) 2007-08-30 2012-12-25 United Technologies Corporation Gas turbine engine systems and related methods involving multiple gas turbine cores
US8590286B2 (en) * 2007-12-05 2013-11-26 United Technologies Corp. Gas turbine engine systems involving tip fans
US8402742B2 (en) 2007-12-05 2013-03-26 United Technologies Corporation Gas turbine engine systems involving tip fans
CN102066768A (zh) * 2008-05-13 2011-05-18 旋转合成技术有限责任公司 风扇叶片保持和可变桨距系统
CA2751805A1 (fr) * 2009-02-27 2010-09-02 Snecma Aubes de soufflante a calage cyclique
FR2945512B1 (fr) * 2009-05-15 2012-08-24 Snecma Helice non carenee a pales a calage variable pour une turbomachine
DE102013012844B3 (de) * 2013-08-02 2014-11-20 Voith Patent Gmbh Turbine für ein Strömungskraftwerk
US9835037B2 (en) * 2015-06-22 2017-12-05 General Electric Company Ducted thrust producing system with asynchronous fan blade pitching
US10107130B2 (en) * 2016-03-24 2018-10-23 United Technologies Corporation Concentric shafts for remote independent variable vane actuation
US11421627B2 (en) * 2017-02-22 2022-08-23 General Electric Company Aircraft and direct drive engine under wing installation
US10934866B2 (en) 2017-06-20 2021-03-02 Rolls-Royce North American Technologies Inc. Variable pitch change control method
US10801339B2 (en) * 2017-07-11 2020-10-13 General Electric Company Aircraft gas turbine engine variable fan blade mechanism
GB201807774D0 (en) * 2018-05-14 2018-06-27 Rolls Royce Plc Hybrid aircraft propulsion system
US11428160B2 (en) 2020-12-31 2022-08-30 General Electric Company Gas turbine engine with interdigitated turbine and gear assembly
FR3125505B1 (fr) * 2021-07-22 2023-07-21 Safran Aircraft Engines Systeme de changement de pas des pales d’une helice d’une turbomachine

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1582166A (en) * 1922-08-21 1926-04-27 Cederquist Nils Herman Variable-pitch propeller
FR798405A (fr) * 1934-12-06 1936-05-16 Aeroplani Caproni Perfectionnements aux hélices à pas variable
GB456407A (en) * 1935-03-23 1936-11-09 Istvan Dobos Improvements in or relating to screw propellers
GB753237A (en) * 1953-11-13 1956-07-18 English Electric Co Ltd Improvements in and relating to the control of feathering runner vanes of hydraulic turbines and pumps
DE1012869B (de) * 1956-05-11 1957-07-25 Arno Fischer Verstellantrieb fuer die Schaufeln von Stroemungsmaschinen
DE1626028C3 (de) * 1966-04-12 1974-04-04 Dowty Rotol Ltd., Gloucester (Grossbritannien) Mantelstrom-Gasturbinen-Triebwerk
GB1371371A (en) * 1971-04-27 1974-10-23 Defence Secretary Of States Fo Variable pitch fans or propellers particularly for gas turbine engines
US3801219A (en) * 1971-05-05 1974-04-02 Jerome A Gross Controllable pitch maripropeller

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114435585A (zh) * 2022-01-28 2022-05-06 清华大学 可变桨距风扇及其变距方法

Also Published As

Publication number Publication date
US4021142A (en) 1977-05-03
GB1521545A (en) 1978-08-16
JPS5164604A (fr) 1976-06-04
FR2287601B1 (fr) 1980-11-14

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Legal Events

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