BE823650A - Agencement de pignons pour une soufflante a pas variable - Google Patents

Agencement de pignons pour une soufflante a pas variable

Info

Publication number
BE823650A
BE823650A BE151754A BE151754A BE823650A BE 823650 A BE823650 A BE 823650A BE 151754 A BE151754 A BE 151754A BE 151754 A BE151754 A BE 151754A BE 823650 A BE823650 A BE 823650A
Authority
BE
Belgium
Prior art keywords
pinions
arrangement
variable step
blower
step blower
Prior art date
Application number
BE151754A
Other languages
English (en)
French (fr)
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 BE823650A publication Critical patent/BE823650A/xx

Links

Classifications

    • 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)
  • Structures Of Non-Positive Displacement Pumps (AREA)
BE151754A 1973-12-21 1974-12-20 Agencement de pignons pour une soufflante a pas variable BE823650A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US427377A US3870434A (en) 1973-12-21 1973-12-21 Gear arrangement for variable pitch fan

Publications (1)

Publication Number Publication Date
BE823650A true BE823650A (fr) 1975-04-16

Family

ID=23694608

Family Applications (1)

Application Number Title Priority Date Filing Date
BE151754A BE823650A (fr) 1973-12-21 1974-12-20 Agencement de pignons pour une soufflante a pas variable

Country Status (5)

Country Link
US (1) US3870434A (enrdf_load_stackoverflow)
JP (1) JPS5095613A (enrdf_load_stackoverflow)
BE (1) BE823650A (enrdf_load_stackoverflow)
DE (1) DE2459843A1 (enrdf_load_stackoverflow)
FR (1) FR2255488B3 (enrdf_load_stackoverflow)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4047840A (en) * 1975-05-29 1977-09-13 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Impact absorbing blade mounts for variable pitch blades
DE3507036A1 (de) * 1984-03-02 1985-09-12 General Electric Co., Schenectady, N.Y. Luftsteuerungseinrichtung fuer ein gasturbinentriebwerk
US5022824A (en) * 1988-10-07 1991-06-11 United Technologies Corporation Pinned airfoil propeller blade
US5022825A (en) * 1988-10-07 1991-06-11 United Technologies Corporation Pitch retention member
US4968217A (en) * 1989-09-06 1990-11-06 Rolls-Royce Plc Variable pitch arrangement for a gas turbine engine
US5205714A (en) * 1990-07-30 1993-04-27 General Electric Company Aircraft fan blade damping apparatus
US5129787A (en) * 1991-02-13 1992-07-14 United Technologies Corporation Lightweight propulsor blade with internal spars and rigid base members
ITBA20010002A1 (it) 2001-01-11 2002-07-11 Paolo Pietricola Fan a passo variabile.
CN102333962A (zh) * 2009-02-27 2012-01-25 斯奈克玛 带有循环设定的风机叶片
CN103043199B (zh) * 2013-01-17 2015-05-13 苏州船用动力系统股份有限公司 轮缘式差动端面齿调距推进装置
US11391298B2 (en) * 2015-10-07 2022-07-19 General Electric Company Engine having variable pitch outlet guide vanes
DE102016215807A1 (de) * 2016-08-23 2018-03-01 MTU Aero Engines AG Innenring für einen Leitschaufelkranz einer Strömungsmaschine
US11073160B2 (en) 2016-09-08 2021-07-27 The United States Of America As Represented By The Secretary Of The Army Adaptable articulating axial-flow compressor/turbine rotor blade
US10415405B2 (en) * 2017-04-21 2019-09-17 United Technologies Corporation Variable pitch fan blade system
DE102017109952A1 (de) * 2017-05-09 2018-11-15 Rolls-Royce Deutschland Ltd & Co Kg Rotorvorrichtung einer Strömungsmaschine
US10801339B2 (en) 2017-07-11 2020-10-13 General Electric Company Aircraft gas turbine engine variable fan blade mechanism
DE102018210601A1 (de) * 2018-06-28 2020-01-02 MTU Aero Engines AG Segmentring zur montage in einer strömungsmaschine
US20200024982A1 (en) * 2018-07-18 2020-01-23 United Technologies Corporation Boundary layer ingesting fan

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US32733A (en) * 1861-07-02 Gearing for driving machinery
US1802648A (en) * 1925-12-31 1931-04-28 American Propeller Company Propeller
US2460559A (en) * 1943-10-09 1949-02-01 Wildhaber Ernest Blade pitch adjustment
US2697365A (en) * 1950-06-16 1954-12-21 Earl C Williams Power transmission equipment
US2711105A (en) * 1951-06-02 1955-06-21 Williams Earl Charles Power transmission
US2844303A (en) * 1952-08-27 1958-07-22 Nordisk Ventilator Axial blowers or fans
US3018668A (en) * 1960-09-19 1962-01-30 Bruce S Berquist Varying speed ratio gearing
GB1265150A (enrdf_load_stackoverflow) * 1968-06-22 1972-03-01
US3687569A (en) * 1971-03-19 1972-08-29 Gen Electric Rotor with variable angle blades

Also Published As

Publication number Publication date
DE2459843A1 (de) 1975-06-26
FR2255488A1 (enrdf_load_stackoverflow) 1975-07-18
US3870434A (en) 1975-03-11
FR2255488B3 (enrdf_load_stackoverflow) 1977-09-16
JPS5095613A (enrdf_load_stackoverflow) 1975-07-30

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