USB513346I5 - - Google Patents

Info

Publication number
USB513346I5
USB513346I5 US51334674A USB513346I5 US B513346 I5 USB513346 I5 US B513346I5 US 51334674 A US51334674 A US 51334674A US B513346 I5 USB513346 I5 US B513346I5
Authority
US
United States
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.)
Pending
Application number
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
Priority to US05/513,346 priority Critical patent/US4124330A/en
Priority to FR7530011A priority patent/FR2287600A1/en
Priority to JP50121722A priority patent/JPS591343B2/en
Priority to GB41223/75A priority patent/GB1521544A/en
Publication of USB513346I5 publication Critical patent/USB513346I5/en
Application granted granted Critical
Publication of US4124330A publication Critical patent/US4124330A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C11/00—Propellers, e.g. of ducted type; Features common to propellers and rotors for rotorcraft
    • B64C11/30—Blade pitch-changing mechanisms
    • 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
    • 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
US05/513,346 1974-10-09 1974-10-09 Cam-operated pitch-change apparatus Expired - Lifetime US4124330A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
US05/513,346 US4124330A (en) 1974-10-09 1974-10-09 Cam-operated pitch-change apparatus
FR7530011A FR2287600A1 (en) 1974-10-09 1975-10-01 CAM-CONTROLLED STEP CHANGE DEVICE
JP50121722A JPS591343B2 (en) 1974-10-09 1975-10-08 Kamsadoshikipitsuchihenkousouchi
GB41223/75A GB1521544A (en) 1974-10-09 1975-10-08 Pitch-change apparatus for a ducted thrust fan

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/513,346 US4124330A (en) 1974-10-09 1974-10-09 Cam-operated pitch-change apparatus

Publications (2)

Publication Number Publication Date
USB513346I5 true USB513346I5 (en) 1976-03-09
US4124330A US4124330A (en) 1978-11-07

Family

ID=24042872

Family Applications (1)

Application Number Title Priority Date Filing Date
US05/513,346 Expired - Lifetime US4124330A (en) 1974-10-09 1974-10-09 Cam-operated pitch-change apparatus

Country Status (4)

Country Link
US (1) US4124330A (en)
JP (1) JPS591343B2 (en)
FR (1) FR2287600A1 (en)
GB (1) GB1521544A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3109483A1 (en) * 2015-06-22 2016-12-28 General Electric Company Asynchronous fan blade pitching device for the thrust reversal of a gas turbine engine
FR3046405A1 (en) * 2016-01-05 2017-07-07 Snecma DEVICE FOR CONTROLLING THE ORIENTATION OF BLOWER BLADES OF A TURBOPROPULSEUR

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5205712A (en) * 1991-05-13 1993-04-27 Allied-Signal Inc. Variable pitch fan gas turbine engine
US5282719A (en) * 1991-05-13 1994-02-01 Alliedsignal Inc. Quad mode fan pitch actuation system for a gas turbine engine
US6109871A (en) * 1997-03-31 2000-08-29 Horton, Inc. Integrated fan assembly with variable pitch blades
US6253716B1 (en) 1999-07-07 2001-07-03 Horton, Inc. Control system for cooling fan assembly having variable pitch blades
DE10226713B4 (en) * 2002-06-14 2004-07-08 Krieger, Klaus Wind turbine
US7179054B1 (en) 2004-05-14 2007-02-20 The United States Of America As Represented By The Secretary Of The Navy Flow reversal system for axial fan
US7901185B2 (en) * 2007-02-21 2011-03-08 United Technologies Corporation Variable rotor blade for gas turbine engine
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
CA2724083C (en) * 2008-05-13 2012-11-27 Rotating Composite Technologies, Llc Fan blade retention and variable pitch system
CA2751805A1 (en) * 2009-02-27 2010-09-02 Snecma Fan blades with cyclic setting
FR2945512B1 (en) * 2009-05-15 2012-08-24 Snecma NON-CAREED PROPELLER HAVING A VARIABLE SHAFT FOR A TURBOMACHINE
FR2946010B1 (en) * 2009-05-29 2011-06-24 Snecma FIXED CYLINDER DEVICE FOR CONTROLLING BLOWER BLADES OF A TURBOPROPULSER
DE102011102359B4 (en) * 2011-05-24 2014-01-23 Rolls-Royce Deutschland Ltd & Co Kg Air turbine with adjustable fan
DE102012000889A1 (en) * 2012-01-18 2013-07-18 Rolls-Royce Deutschland Ltd & Co Kg Air turbine with adjustable fan
FR3005096B1 (en) * 2013-04-29 2018-01-19 Safran Aircraft Engines SYSTEM FOR CONTROLLING THE PITCH OF THE BLADES OF A TURBOMACHINE PROPELLER AND A PROPELLER TURBOMACHINE FOR AN AIRCRAFT WITH SUCH A SYSTEM
DE102013012844B3 (en) * 2013-08-02 2014-11-20 Voith Patent Gmbh Turbine for a current power plant
US10533436B2 (en) * 2015-11-04 2020-01-14 General Electric Company Centerline-mounted hydraulic pitch change mechanism actuator
US10288083B2 (en) * 2015-11-16 2019-05-14 General Electric Company Pitch range for a variable pitch fan
US20200024982A1 (en) * 2018-07-18 2020-01-23 United Technologies Corporation Boundary layer ingesting fan
EP3882133A1 (en) * 2020-03-16 2021-09-22 Ratier-Figeac SAS Blade pitch actuation mechanism
US20230382522A1 (en) 2022-05-26 2023-11-30 Raytheon Technologies Corporation Aircraft propulsion system with adjustable thrust propulsor

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR798405A (en) * 1934-12-06 1936-05-16 Aeroplani Caproni Variable pitch propeller improvements
GB568533A (en) * 1941-03-07 1945-04-10 English Electric Co Ltd Improved operating gear for adjustable propeller blades
US2460559A (en) * 1943-10-09 1949-02-01 Wildhaber Ernest Blade pitch adjustment
US2479668A (en) * 1948-06-09 1949-08-23 Evans Prod Co Variable pitch fan blade assembly
DE1012869B (en) * 1956-05-11 1957-07-25 Arno Fischer Adjustment drive for the blades of flow machines
US2801068A (en) * 1953-11-13 1957-07-30 English Electric Co Ltd Control of feathering runner vanes of hydraulic turbines and pumps
US3260311A (en) * 1963-07-05 1966-07-12 Foster Wheeler Corp Vane adjusting device for pump impellers and turbine wheels
US3331446A (en) * 1966-10-17 1967-07-18 Feroy Arne Controllable pitch propellers
US3489338A (en) * 1966-04-12 1970-01-13 Dowty Rotol Ltd Gas turbine engines
US3801219A (en) * 1971-05-05 1974-04-02 Jerome A Gross Controllable pitch maripropeller

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR798405A (en) * 1934-12-06 1936-05-16 Aeroplani Caproni Variable pitch propeller improvements
GB568533A (en) * 1941-03-07 1945-04-10 English Electric Co Ltd Improved operating gear for adjustable propeller blades
US2460559A (en) * 1943-10-09 1949-02-01 Wildhaber Ernest Blade pitch adjustment
US2479668A (en) * 1948-06-09 1949-08-23 Evans Prod Co Variable pitch fan blade assembly
US2801068A (en) * 1953-11-13 1957-07-30 English Electric Co Ltd Control of feathering runner vanes of hydraulic turbines and pumps
DE1012869B (en) * 1956-05-11 1957-07-25 Arno Fischer Adjustment drive for the blades of flow machines
US3260311A (en) * 1963-07-05 1966-07-12 Foster Wheeler Corp Vane adjusting device for pump impellers and turbine wheels
US3489338A (en) * 1966-04-12 1970-01-13 Dowty Rotol Ltd Gas turbine engines
US3331446A (en) * 1966-10-17 1967-07-18 Feroy Arne Controllable pitch propellers
US3801219A (en) * 1971-05-05 1974-04-02 Jerome A Gross Controllable pitch maripropeller

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3109483A1 (en) * 2015-06-22 2016-12-28 General Electric Company Asynchronous fan blade pitching device for the thrust reversal of a gas turbine engine
FR3046405A1 (en) * 2016-01-05 2017-07-07 Snecma DEVICE FOR CONTROLLING THE ORIENTATION OF BLOWER BLADES OF A TURBOPROPULSEUR

Also Published As

Publication number Publication date
FR2287600A1 (en) 1976-05-07
FR2287600B1 (en) 1981-03-06
GB1521544A (en) 1978-08-16
US4124330A (en) 1978-11-07
JPS5164118A (en) 1976-06-03
JPS591343B2 (en) 1984-01-11

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