FR2070846A1 - - Google Patents

Info

Publication number
FR2070846A1
FR2070846A1 FR7044733A FR7044733A FR2070846A1 FR 2070846 A1 FR2070846 A1 FR 2070846A1 FR 7044733 A FR7044733 A FR 7044733A FR 7044733 A FR7044733 A FR 7044733A FR 2070846 A1 FR2070846 A1 FR 2070846A1
Authority
FR
France
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
FR7044733A
Other languages
French (fr)
Other versions
FR2070846B1 (en
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.)
Dowty Rotol Ltd
Original Assignee
Dowty Rotol Ltd
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 Dowty Rotol Ltd filed Critical Dowty Rotol Ltd
Publication of FR2070846A1 publication Critical patent/FR2070846A1/fr
Application granted granted Critical
Publication of FR2070846B1 publication Critical patent/FR2070846B1/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • 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
    • 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
    • F05D2260/70—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
    • F05D2260/76—Adjusting of angle of incidence or attack of rotating blades the adjusting mechanism using auxiliary power sources
    • 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)
FR7044733A 1969-12-13 1970-12-11 Expired FR2070846B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB6089969 1969-12-13
US9100070A 1970-11-19 1970-11-19

Publications (2)

Publication Number Publication Date
FR2070846A1 true FR2070846A1 (en) 1971-09-17
FR2070846B1 FR2070846B1 (en) 1975-02-21

Family

ID=26267838

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7044733A Expired FR2070846B1 (en) 1969-12-13 1970-12-11

Country Status (4)

Country Link
US (1) US3720060A (en)
DE (1) DE2061425C3 (en)
FR (1) FR2070846B1 (en)
GB (1) GB1294898A (en)

Families Citing this family (88)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3811791A (en) * 1971-08-12 1974-05-21 R Cotton Thrust augmenting device for jet aircraft
DE2218874C3 (en) * 1972-04-19 1979-05-17 Motoren- Und Turbinen-Union Muenchen Gmbh, 8000 Muenchen Device for adjusting the fan blades of a turbine jet engine
DE2307656C3 (en) * 1973-02-16 1979-01-04 Motoren- Und Turbinen-Union Muenchen Gmbh, 8000 Muenchen Device for adjusting the fan blades of an impeller for turbine jet engines
US3942911A (en) * 1973-02-17 1976-03-09 Dowty Rotol Limited Bladed rotors
US3893783A (en) * 1973-02-17 1975-07-08 Dowty Rotol Ltd Gas turbine engines and bladed rotors therefor
GB1444753A (en) * 1973-04-18 1976-08-04 Dowty Rotol Ltd Rotary actuators suitable for bladed rotors
GB1444754A (en) * 1973-04-18 1976-08-04 Dowty Rotol Ltd Rotary actuators suitable for bladed rotors
US3904315A (en) * 1974-07-31 1975-09-09 United Aircraft Corp Pitch change signal means with differential gearing
US3912418A (en) * 1974-10-01 1975-10-14 United Technologies Corp Lubrication system for a rotor
US4005574A (en) * 1975-04-21 1977-02-01 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Reverse pitch fan with divided splitter
US4010919A (en) * 1975-12-05 1977-03-08 Breuner Gerald L Autogyro having blade tip jets
US4239452A (en) * 1978-06-26 1980-12-16 United Technologies Corporation Blade tip shroud for a compression stage of a gas turbine engine
JPS6318799Y2 (en) * 1980-12-02 1988-05-26
US4566269A (en) * 1983-10-11 1986-01-28 United Technologies Corporation Jet engine removable support assembly
GB2192233B (en) * 1986-07-02 1990-11-28 Rolls Royce Plc A gas turbine engine load transfer structure
US4750862A (en) * 1986-11-28 1988-06-14 United Technologies Corporation Modular propeller blade pitch actuation system
US4744214A (en) * 1987-06-29 1988-05-17 United Technologies Corporation Engine modularity
US4976102A (en) * 1988-05-09 1990-12-11 General Electric Company Unducted, counterrotating gearless front fan engine
US4934140A (en) * 1988-05-13 1990-06-19 United Technologies Corporation Modular gas turbine engine
CA2013933A1 (en) * 1989-06-05 1990-12-05 General Electric Company Gas turbine powerplant
US4968217A (en) * 1989-09-06 1990-11-06 Rolls-Royce Plc Variable pitch arrangement for a gas turbine engine
US5222360A (en) * 1991-10-30 1993-06-29 General Electric Company Apparatus for removably attaching a core frame to a vane frame with a stable mid ring
US5205513A (en) * 1991-09-26 1993-04-27 General Electric Company Method and system for the removal of large turbine engines
US7370467B2 (en) * 2003-07-29 2008-05-13 Pratt & Whitney Canada Corp. Turbofan case and method of making
EP1649145B1 (en) 2003-07-29 2008-05-28 Pratt & Whitney Canada Corp. Turbofan casing, turbofan engine and corresponding method
US7874802B2 (en) * 2004-12-01 2011-01-25 United Technologies Corporation Tip turbine engine comprising turbine blade clusters and method of assembly
EP1834071B1 (en) * 2004-12-01 2013-03-13 United Technologies Corporation Inducer for a fan blade of a tip turbine engine
WO2006059968A1 (en) * 2004-12-01 2006-06-08 United Technologies Corporation Counter-rotating gearbox for tip turbine engine
US8096753B2 (en) 2004-12-01 2012-01-17 United Technologies Corporation Tip turbine engine and operating method with reverse core airflow
WO2006059994A1 (en) * 2004-12-01 2006-06-08 United Technologies Corporation Seal assembly for a fan-turbine rotor of a tip turbine engine
US7976272B2 (en) 2004-12-01 2011-07-12 United Technologies Corporation Inflatable bleed valve for a turbine engine
WO2006059988A1 (en) * 2004-12-01 2006-06-08 United Technologies Corporation Modular tip turbine engine
EP1825112B1 (en) * 2004-12-01 2013-10-23 United Technologies Corporation Cantilevered tip turbine engine
WO2006060014A1 (en) * 2004-12-01 2006-06-08 United Technologies Corporation Starter generator system for a tip turbine engine
US7631485B2 (en) * 2004-12-01 2009-12-15 United Technologies Corporation Tip turbine engine with a heat exchanger
WO2006059996A1 (en) * 2004-12-01 2006-06-08 United Technologies Corporation Balanced turbine rotor fan blade for a tip turbine engine
WO2006060011A1 (en) * 2004-12-01 2006-06-08 United Technologies Corporation Tip turbine engine comprising a nonrotable compartment
EP1831520B1 (en) * 2004-12-01 2009-02-25 United Technologies Corporation Tip turbine engine and corresponding operating method
DE602004028528D1 (en) * 2004-12-01 2010-09-16 United Technologies Corp Tip turbine engine with multiple blower and turbine stages
WO2006059971A2 (en) * 2004-12-01 2006-06-08 United Technologies Corporation Tip turbine engine integral fan, combustor, and turbine case
WO2006110125A2 (en) * 2004-12-01 2006-10-19 United Technologies Corporation Stacked annular components for turbine engines
WO2006059974A1 (en) * 2004-12-01 2006-06-08 United Technologies Corporation Close coupled gearbox assembly for a tip turbine engine
EP1819907A2 (en) * 2004-12-01 2007-08-22 United Technologies Corporation Fan blade with integral diffuser section and tip turbine blade section for a tip turbine engine
EP1828591B1 (en) * 2004-12-01 2010-07-21 United Technologies Corporation Peripheral combustor for tip turbine engine
EP1828573B1 (en) * 2004-12-01 2010-06-16 United Technologies Corporation Hydraulic seal for a gearbox of a tip turbine engine
EP1825170B1 (en) * 2004-12-01 2009-03-18 United Technologies Corporation Gearbox lubrication supply system for a tip turbine engine
US7976273B2 (en) * 2004-12-01 2011-07-12 United Technologies Corporation Tip turbine engine support structure
US8561383B2 (en) * 2004-12-01 2013-10-22 United Technologies Corporation Turbine engine with differential gear driven fan and compressor
WO2006059987A1 (en) * 2004-12-01 2006-06-08 United Technologies Corporation Particle separator for tip turbine engine
WO2006060004A1 (en) 2004-12-01 2006-06-08 United Technologies Corporation Combustor for turbine engine
EP1825126B1 (en) * 2004-12-01 2011-02-16 United Technologies Corporation Vectoring transition duct for turbine engine
WO2006060010A1 (en) * 2004-12-01 2006-06-08 United Technologies Corporation Compressor inlet guide vane for tip turbine engine and corresponding control method
US9845727B2 (en) * 2004-12-01 2017-12-19 United Technologies Corporation Tip turbine engine composite tailcone
WO2006059997A2 (en) 2004-12-01 2006-06-08 United Technologies Corporation Annular turbine ring rotor
WO2006059969A1 (en) * 2004-12-01 2006-06-08 United Technologies Corporation Counter-rotating compressor case and assembly method for tip turbine engine
EP1831521B1 (en) 2004-12-01 2008-08-20 United Technologies Corporation Variable fan inlet guide vane assembly, turbine engine with such an assembly and corresponding controlling method
EP1834076B1 (en) * 2004-12-01 2011-04-06 United Technologies Corporation Turbine blade cluster for a fan-turbine rotor assembly and method of mounting such a cluster
WO2006059979A1 (en) * 2004-12-01 2006-06-08 United Technologies Corporation Tip turbine engine integral case, vane, mount, and mixer
US7882695B2 (en) 2004-12-01 2011-02-08 United Technologies Corporation Turbine blow down starter for turbine engine
EP1825116A2 (en) * 2004-12-01 2007-08-29 United Technologies Corporation Ejector cooling of outer case for tip turbine engine
US8468795B2 (en) 2004-12-01 2013-06-25 United Technologies Corporation Diffuser aspiration for a tip turbine engine
DE602004019710D1 (en) * 2004-12-01 2009-04-09 United Technologies Corp REMOTE CONTROL FOR AN ADJUSTABLE STAGE OF A COMPRESSOR FOR A TURBINE ENGINE
EP1828547B1 (en) 2004-12-01 2011-11-30 United Technologies Corporation Turbofan comprising a plurality of individually controlled inlet guide vanes and corresponding controlling method
US7883315B2 (en) * 2004-12-01 2011-02-08 United Technologies Corporation Seal assembly for a fan rotor of a tip turbine engine
WO2006059990A1 (en) * 2004-12-01 2006-06-08 United Technologies Corporation Regenerative turbine blade and vane cooling for a tip turbine engine
US7845157B2 (en) 2004-12-01 2010-12-07 United Technologies Corporation Axial compressor for tip turbine engine
US20090169385A1 (en) * 2004-12-01 2009-07-02 Suciu Gabriel L Fan-turbine rotor assembly with integral inducer section for a tip turbine engine
DE602004031986D1 (en) * 2004-12-01 2011-05-05 United Technologies Corp BLOWER TURBINE ROTOR ASSEMBLY FOR A TOP TURBINE ENGINE
WO2006062497A1 (en) * 2004-12-04 2006-06-15 United Technologies Corporation Tip turbine engine mount
FR2911644B1 (en) * 2007-01-23 2012-06-01 Snecma TURBOPROPULSEUR COMPRISING A PROPELLED PROPELLER OF BLADES WITH ADJUSTABLE ORIENTATION.
US8967945B2 (en) 2007-05-22 2015-03-03 United Technologies Corporation Individual inlet guide vane control for tip turbine engine
US20100187825A1 (en) * 2009-01-28 2010-07-29 Fred Carr Microprocessor system for controlling rotor pitch
CN102333962A (en) * 2009-02-27 2012-01-25 斯奈克玛 Fan blades with cyclic setting
US8602731B2 (en) * 2009-12-30 2013-12-10 Fred K. Carr Microprocessor system for controlling rotor pitch
DE102012000889A1 (en) 2012-01-18 2013-07-18 Rolls-Royce Deutschland Ltd & Co Kg Air turbine with adjustable fan
US9476323B2 (en) * 2012-05-31 2016-10-25 United Technologies Corporation Turbine gear assembly support having symmetrical removal features
FR2994452B1 (en) * 2012-08-09 2016-12-23 Snecma TURBOMACHINE COMPRISING A PLURALITY OF FIXED RADIAL BLADES MOUNTED BEFORE THE BLOWER
US9103376B2 (en) * 2013-10-23 2015-08-11 Hamilton Sundstrand Corporation Chambered shaft for improved bearing lubrication
US10215096B2 (en) * 2015-11-04 2019-02-26 United Technologies Corporation Engine with nose cone heat exchanger and radially outer discharge
US10436151B2 (en) * 2015-11-17 2019-10-08 General Electric Company Modular fan for a gas turbine engine
US20170218975A1 (en) * 2016-01-29 2017-08-03 United Technologies Corporation Variable pitch fan blade arrangement for gas turbine engine
US11130456B2 (en) * 2016-05-18 2021-09-28 Rolls-Royce North American Technologies Inc. Low pressure generator for gas turbine engine
US11022042B2 (en) 2016-08-29 2021-06-01 Rolls-Royce North American Technologies Inc. Aircraft having a gas turbine generator with power assist
US10415405B2 (en) * 2017-04-21 2019-09-17 United Technologies Corporation Variable pitch fan blade system
US11255215B2 (en) 2017-07-06 2022-02-22 Rolls-Royce North American Technologies Inc. Gas turbine engine with microchannel cooled electric device
FR3080886B1 (en) * 2018-05-02 2020-10-30 Safran Aircraft Engines FAIRING BLOWER TURBOMACHINE
FR3087232B1 (en) * 2018-10-12 2021-06-25 Safran Aircraft Engines TURBOMACHINE INCLUDING A ROTOR WITH VARIABLE TIMING BLADES
FR3100563B1 (en) * 2019-09-06 2021-08-06 Safran Aircraft Engines Polyspherical turbomachine hub for variable pitch blades

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1518513A (en) * 1967-04-12 1968-03-22 Dowty Rotol Ltd Gas turbine engine machines
FR1518519A (en) * 1967-04-12 1968-03-22 Dowty Rotol Ltd Improvements to gas turbines featuring a blower with adjustable blades
FR1545548A (en) * 1966-12-05 1968-11-08 Rolls Royce Fan intended in particular for gas turbine engines

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US2528635A (en) * 1943-06-22 1950-11-07 Rolls Royce Power gas generator for internalcombustion power units
US2711631A (en) * 1949-06-21 1955-06-28 Hartford Nat Bank & Trust Co Gas turbine power plant
CH458840A (en) * 1966-04-12 1968-06-30 Dowty Rotol Ltd Turbo-propellant
US3468473A (en) * 1966-05-25 1969-09-23 Dowty Rotol Ltd Gas turbine engines
US3390527A (en) * 1967-07-19 1968-07-02 Avco Corp High bypass ratio turbofan
US3616616A (en) * 1968-03-11 1971-11-02 Tech Dev Inc Particle separator especially for use in connection with jet engines

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1545548A (en) * 1966-12-05 1968-11-08 Rolls Royce Fan intended in particular for gas turbine engines
FR1518513A (en) * 1967-04-12 1968-03-22 Dowty Rotol Ltd Gas turbine engine machines
FR1518519A (en) * 1967-04-12 1968-03-22 Dowty Rotol Ltd Improvements to gas turbines featuring a blower with adjustable blades

Also Published As

Publication number Publication date
DE2061425C3 (en) 1980-01-03
DE2061425B2 (en) 1977-05-18
GB1294898A (en) 1972-11-01
FR2070846B1 (en) 1975-02-21
US3720060A (en) 1973-03-13
DE2061425A1 (en) 1971-06-24

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Legal Events

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ST Notification of lapse