FR2046295A5 - - Google Patents

Info

Publication number
FR2046295A5
FR2046295A5 FR7014486A FR7014486A FR2046295A5 FR 2046295 A5 FR2046295 A5 FR 2046295A5 FR 7014486 A FR7014486 A FR 7014486A FR 7014486 A FR7014486 A FR 7014486A FR 2046295 A5 FR2046295 A5 FR 2046295A5
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
FR7014486A
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 FR2046295A5 publication Critical patent/FR2046295A5/fr
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
    • 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)
  • Lubrication Of Internal Combustion Engines (AREA)
FR7014486A 1969-05-03 1970-04-21 Expired FR2046295A5 (enExample)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2268169 1969-05-03

Publications (1)

Publication Number Publication Date
FR2046295A5 true FR2046295A5 (enExample) 1971-03-05

Family

ID=10183389

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7014486A Expired FR2046295A5 (enExample) 1969-05-03 1970-04-21

Country Status (3)

Country Link
US (1) US3663119A (enExample)
FR (1) FR2046295A5 (enExample)
GB (1) GB1296062A (enExample)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2218470A1 (enExample) * 1973-02-17 1974-09-13 Dowty Rotol Ltd
FR2218484A1 (enExample) * 1973-02-17 1974-09-13 Dowty Rotol Ltd
FR2595410A1 (fr) * 1986-03-04 1987-09-11 Gen Electric Joint de transfert de fluide et procede d'application a un rotor d'un fluide provenant d'un stator

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1371371A (en) * 1971-04-27 1974-10-23 Defence Secretary Of States Fo Variable pitch fans or propellers particularly for gas turbine engines
GB1364293A (en) * 1971-07-06 1974-08-21 Rolls Royce Valve for follow-up servo mechanism
US3942911A (en) * 1973-02-17 1976-03-09 Dowty Rotol Limited Bladed rotors
US3893789A (en) * 1973-02-21 1975-07-08 United Aircraft Corp Pitch change actuator for a variable pitch fan propulsor
ES458039A1 (es) * 1977-04-06 1978-03-16 Mesado Francisco J L Perfeccionamientos en los dispositivos accionadores de heli-ces de paso variable.
US4743162A (en) * 1986-03-04 1988-05-10 General Electric Company Fluid transfer seal for transferring fluid across a rotating boundary
US4750862A (en) * 1986-11-28 1988-06-14 United Technologies Corporation Modular propeller blade pitch actuation system
US4916892A (en) * 1988-05-06 1990-04-17 General Electric Company High pressure seal
US5156648A (en) * 1990-07-09 1992-10-20 General Electric Company Prop-fan pitch-change mechanism
US5152668A (en) * 1990-07-23 1992-10-06 General Electric Company Pitch change mechanism for prop fans
GB0912379D0 (en) * 2009-07-17 2009-08-26 Rolls Royce Plc Rotary coupling
FR3005096B1 (fr) * 2013-04-29 2018-01-19 Safran Aircraft Engines Systeme pour commander le pas des pales d'une helice de turbomachine, et turbomachine a helice pour aeronef avec un tel systeme
US10533436B2 (en) * 2015-11-04 2020-01-14 General Electric Company Centerline-mounted hydraulic pitch change mechanism actuator
US12480421B2 (en) 2023-09-13 2025-11-25 General Electric Company Turbine engine having a variable pitch airfoil assembly

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE728851C (de) * 1940-06-02 1942-12-04 Messerschmitt Boelkow Blohm Luftschrauben-Berstellgetriebe
US2276347A (en) * 1940-09-25 1942-03-17 Robert J Ruths Hub construction for hydraulic operated variable pitch propellers
US2539339A (en) * 1946-04-19 1951-01-23 Ingersoll Rand Co Controlling device for pumps
US2462932A (en) * 1946-07-26 1949-03-01 United Aircraft Corp Pitch changing mechanism
DE946590C (de) * 1953-08-14 1956-08-02 Herbert Storek Dipl Ing Hydraulische, schieberlose Steuerung axial oder nahezu axial durchstroemter Laufraeder von Stroemungsmaschinen mit verstellbaren Laufschaufeln
US2761281A (en) * 1954-02-18 1956-09-04 Rolls Royce Lubricating system with oil flow control for gas turbine engines
US3073514A (en) * 1956-11-14 1963-01-15 Svenska Rotor Maskiner Ab Rotary compressors
US3536415A (en) * 1969-04-18 1970-10-27 United Aircraft Corp Cyclic pitch actuator

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2218470A1 (enExample) * 1973-02-17 1974-09-13 Dowty Rotol Ltd
FR2218484A1 (enExample) * 1973-02-17 1974-09-13 Dowty Rotol Ltd
FR2595410A1 (fr) * 1986-03-04 1987-09-11 Gen Electric Joint de transfert de fluide et procede d'application a un rotor d'un fluide provenant d'un stator

Also Published As

Publication number Publication date
US3663119A (en) 1972-05-16
GB1296062A (enExample) 1972-11-15

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Legal Events

Date Code Title Description
ST Notification of lapse