FR2046297A5 - - Google Patents

Info

Publication number
FR2046297A5
FR2046297A5 FR7014489A FR7014489A FR2046297A5 FR 2046297 A5 FR2046297 A5 FR 2046297A5 FR 7014489 A FR7014489 A FR 7014489A FR 7014489 A FR7014489 A FR 7014489A FR 2046297 A5 FR2046297 A5 FR 2046297A5
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.)
Expired
Application number
FR7014489A
Other languages
French (fr)
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
Application granted granted Critical
Publication of FR2046297A5 publication Critical patent/FR2046297A5/fr
Expired legal-status Critical Current

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
    • 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)
  • Structures Of Non-Positive Displacement Pumps (AREA)
FR7014489A 1969-05-03 1970-04-21 Expired FR2046297A5 (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2268469 1969-05-03

Publications (1)

Publication Number Publication Date
FR2046297A5 true FR2046297A5 (enrdf_load_stackoverflow) 1971-03-05

Family

ID=10183439

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7014489A Expired FR2046297A5 (enrdf_load_stackoverflow) 1969-05-03 1970-04-21

Country Status (2)

Country Link
FR (1) FR2046297A5 (enrdf_load_stackoverflow)
GB (1) GB1296063A (enrdf_load_stackoverflow)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2218874B2 (de) * 1972-04-19 1978-09-21 Motoren- Und Turbinen-Union Muenchen Gmbh, 8000 Muenchen Vorrichtung zur Verstellung der Gebläseschaufeln eines Turbinenstrahltriebwerks
FR2911644A1 (fr) * 2007-01-23 2008-07-25 Snecma Sa Turbopropulseur comportant une helice formee de pales a orientation reglable.
CN106014491A (zh) * 2016-08-05 2016-10-12 冯增瑞 一种新型攻角可变式涡扇发动机叶片调整机构
FR3158363A1 (fr) * 2024-01-11 2025-07-18 Safran Aircraft Engines Ensemble de réglage angulaire à roues dentées parallèles pour aube à orientation réglable et procédé de réglage associé

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3893789A (en) * 1973-02-21 1975-07-08 United Aircraft Corp Pitch change actuator for a variable pitch fan propulsor
US5156648A (en) * 1990-07-09 1992-10-20 General Electric Company Prop-fan pitch-change mechanism
US5242265A (en) * 1990-07-23 1993-09-07 General Electric Company Aircraft pitch change mechanism
US5154372A (en) * 1990-07-23 1992-10-13 General Electric Company Torque multiplier for aircraft propeller
US5154580A (en) * 1990-07-23 1992-10-13 General Electric Company Propeller pitch change mechanism
US5174716A (en) * 1990-07-23 1992-12-29 General Electric Company Pitch change mechanism
US5152668A (en) * 1990-07-23 1992-10-06 General Electric Company Pitch change mechanism for prop fans

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2218874B2 (de) * 1972-04-19 1978-09-21 Motoren- Und Turbinen-Union Muenchen Gmbh, 8000 Muenchen Vorrichtung zur Verstellung der Gebläseschaufeln eines Turbinenstrahltriebwerks
DE2218874C3 (de) * 1972-04-19 1979-05-17 Motoren- Und Turbinen-Union Muenchen Gmbh, 8000 Muenchen Vorrichtung zur Verstellung der Gebläseschaufeln eines Turbinenstrahltriebwerks
FR2911644A1 (fr) * 2007-01-23 2008-07-25 Snecma Sa Turbopropulseur comportant une helice formee de pales a orientation reglable.
EP1953346A1 (fr) * 2007-01-23 2008-08-06 Snecma Turbopropulseur comportant une hélice formée de pales à orientation réglable
JP2008179351A (ja) * 2007-01-23 2008-08-07 Snecma 可変ピッチブレードから形成されるプロペラを有するターボプロップ
US8087890B2 (en) 2007-01-23 2012-01-03 Snecma Turboprop having a propeller made up of variable-pitch blades
CN106014491A (zh) * 2016-08-05 2016-10-12 冯增瑞 一种新型攻角可变式涡扇发动机叶片调整机构
FR3158363A1 (fr) * 2024-01-11 2025-07-18 Safran Aircraft Engines Ensemble de réglage angulaire à roues dentées parallèles pour aube à orientation réglable et procédé de réglage associé

Also Published As

Publication number Publication date
GB1296063A (enrdf_load_stackoverflow) 1972-11-15

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Legal Events

Date Code Title Description
ST Notification of lapse