DE2221896C3 - Kraftübertragungsanordnung zwischen einem Blattsteigungsverstellantrieb und den Luftschraubenblättern bei Verstell-Luftschrauben - Google Patents

Kraftübertragungsanordnung zwischen einem Blattsteigungsverstellantrieb und den Luftschraubenblättern bei Verstell-Luftschrauben

Info

Publication number
DE2221896C3
DE2221896C3 DE2221896A DE2221896A DE2221896C3 DE 2221896 C3 DE2221896 C3 DE 2221896C3 DE 2221896 A DE2221896 A DE 2221896A DE 2221896 A DE2221896 A DE 2221896A DE 2221896 C3 DE2221896 C3 DE 2221896C3
Authority
DE
Germany
Prior art keywords
pinion
connecting element
pitch
blade root
adjustment drive
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.)
Expired
Application number
DE2221896A
Other languages
German (de)
English (en)
Other versions
DE2221896A1 (de
DE2221896B2 (de
Inventor
David Roberts Alveston Bristol Mcmurtry (Ver. Koenigreich)
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.)
Rolls Royce PLC
Original Assignee
Rolls Royce PLC
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 PLC filed Critical Rolls Royce PLC
Publication of DE2221896A1 publication Critical patent/DE2221896A1/de
Publication of DE2221896B2 publication Critical patent/DE2221896B2/de
Application granted granted Critical
Publication of DE2221896C3 publication Critical patent/DE2221896C3/de
Expired legal-status Critical Current

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
    • 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
    • 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

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)
  • Control Of Turbines (AREA)
DE2221896A 1971-05-06 1972-05-04 Kraftübertragungsanordnung zwischen einem Blattsteigungsverstellantrieb und den Luftschraubenblättern bei Verstell-Luftschrauben Expired DE2221896C3 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1417371A GB1371372A (en) 1971-05-06 1971-05-06 Variable pitch rotary blading

Publications (3)

Publication Number Publication Date
DE2221896A1 DE2221896A1 (de) 1972-12-07
DE2221896B2 DE2221896B2 (de) 1979-06-28
DE2221896C3 true DE2221896C3 (de) 1980-02-28

Family

ID=10036334

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2221896A Expired DE2221896C3 (de) 1971-05-06 1972-05-04 Kraftübertragungsanordnung zwischen einem Blattsteigungsverstellantrieb und den Luftschraubenblättern bei Verstell-Luftschrauben

Country Status (4)

Country Link
US (1) US3781131A (https=)
DE (1) DE2221896C3 (https=)
FR (1) FR2135647B1 (https=)
GB (1) GB1371372A (https=)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2992376B1 (fr) * 2012-06-25 2016-03-04 Snecma Soufflante a calage variable par rotation differentielle des disques de soufflante
US9869190B2 (en) 2014-05-30 2018-01-16 General Electric Company Variable-pitch rotor with remote counterweights
US10072510B2 (en) 2014-11-21 2018-09-11 General Electric Company Variable pitch fan for gas turbine engine and method of assembling the same
US10100653B2 (en) * 2015-10-08 2018-10-16 General Electric Company Variable pitch fan blade retention system
FR3055001B1 (fr) * 2016-08-10 2022-04-01 Safran Aircraft Engines Systeme de changement de pas equipe de moyens de reglage du pas des pales et turbomachine correspondante
CN109573000A (zh) * 2018-12-31 2019-04-05 江西冠通用飞机有限公司 一种高精度安装的固定翼飞机螺旋桨
US11674435B2 (en) 2021-06-29 2023-06-13 General Electric Company Levered counterweight feathering system
US11795964B2 (en) 2021-07-16 2023-10-24 General Electric Company Levered counterweight feathering system
US12601271B2 (en) 2022-10-21 2026-04-14 General Electric Company Variable pitch fan of a gas turbine engine
US12480421B2 (en) 2023-09-13 2025-11-25 General Electric Company Turbine engine having a variable pitch airfoil assembly
EP4524032A1 (en) * 2023-09-13 2025-03-19 General Electric Company Turbine engine having a variable pitch airfoil assembly
US12546226B1 (en) 2024-08-07 2026-02-10 General Electric Company Variable pitch fan blade retention system

Also Published As

Publication number Publication date
DE2221896A1 (de) 1972-12-07
DE2221896B2 (de) 1979-06-28
GB1371372A (en) 1974-10-23
FR2135647B1 (https=) 1973-07-13
US3781131A (en) 1973-12-25
FR2135647A1 (https=) 1972-12-22

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Legal Events

Date Code Title Description
OGA New person/name/address of the applicant
C3 Grant after two publication steps (3rd publication)
8339 Ceased/non-payment of the annual fee