IT974858B - Meccanismo variatore di passo per ventole in particolare di motori a turbina a gas - Google Patents

Meccanismo variatore di passo per ventole in particolare di motori a turbina a gas

Info

Publication number
IT974858B
IT974858B IT54587/72A IT5458772A IT974858B IT 974858 B IT974858 B IT 974858B IT 54587/72 A IT54587/72 A IT 54587/72A IT 5458772 A IT5458772 A IT 5458772A IT 974858 B IT974858 B IT 974858B
Authority
IT
Italy
Prior art keywords
fans
gas turbine
turbine engines
variator mechanism
pitch
Prior art date
Application number
IT54587/72A
Other languages
English (en)
Original Assignee
Rolls Royce 1971 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 Rolls Royce 1971 Ltd filed Critical Rolls Royce 1971 Ltd
Application granted granted Critical
Publication of IT974858B publication Critical patent/IT974858B/it

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
    • F05D2260/70—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)
  • Retarders (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
IT54587/72A 1971-12-11 1972-12-07 Meccanismo variatore di passo per ventole in particolare di motori a turbina a gas IT974858B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5765871A GB1375988A (en) 1971-12-11 1971-12-11 Pitch varying mechanism for variable pitch fan

Publications (1)

Publication Number Publication Date
IT974858B true IT974858B (it) 1974-07-10

Family

ID=10479724

Family Applications (1)

Application Number Title Priority Date Filing Date
IT54587/72A IT974858B (it) 1971-12-11 1972-12-07 Meccanismo variatore di passo per ventole in particolare di motori a turbina a gas

Country Status (7)

Country Link
US (1) US3825370A (it)
JP (1) JPS5433362B2 (it)
DE (1) DE2260036C3 (it)
FR (1) FR2164416A5 (it)
GB (1) GB1375988A (it)
IT (1) IT974858B (it)
SE (1) SE382666B (it)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US3964839A (en) * 1974-10-21 1976-06-22 United Technologies Corporation Pitch change mechanism
FR2309744A1 (fr) * 1975-04-30 1976-11-26 Ratier Sa Forest Dispositif de commande de variation du pas des pales d'un ventilateur
US3994128A (en) * 1975-05-21 1976-11-30 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Dual output variable pitch turbofan actuation system
GB2261929B (en) * 1981-10-02 1993-09-08 Rolls Royce Gearing for transmitting rotary motion
US4738590A (en) * 1986-09-09 1988-04-19 General Electric Company Blade pitch varying mechanism
US4738591A (en) * 1986-09-09 1988-04-19 General Electric Company Blade pitch varying mechanism
US4968217A (en) * 1989-09-06 1990-11-06 Rolls-Royce Plc Variable pitch arrangement for a gas turbine engine
EP0647502B1 (en) * 1993-10-12 1996-09-18 Smc Kabushiki Kaisha Servo cylinder apparatus
TWI234334B (en) * 2003-03-27 2005-06-11 Sumitomo Heavy Industries Roller having motor inside
JP4894541B2 (ja) * 2007-01-31 2012-03-14 トヨタ自動車株式会社 インホイールモータ
GB201007569D0 (en) 2010-05-06 2010-06-23 Rolls Royce Plc Pitch control mechanism
GB201007564D0 (en) 2010-05-06 2010-06-23 Rolls Royce Plc Back-up featherer
GB201007565D0 (en) 2010-05-06 2010-06-23 Rolls Royce Plc Pitch control mechanism
GB201007567D0 (en) 2010-05-06 2010-06-23 Rolls Royce Plc BAck-up featherer
WO2015072033A1 (ja) * 2013-11-18 2015-05-21 川崎重工業株式会社 過給機の動力伝達装置

Also Published As

Publication number Publication date
DE2260036B2 (de) 1979-04-05
DE2260036A1 (de) 1973-06-14
FR2164416A5 (it) 1973-07-27
SE382666B (sv) 1976-02-09
DE2260036C3 (de) 1979-11-22
JPS4866208A (it) 1973-09-11
JPS5433362B2 (it) 1979-10-20
GB1375988A (en) 1974-12-04
US3825370A (en) 1974-07-23

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