FR3008676B1 - Pivot de pale d'helice aerienne - Google Patents

Pivot de pale d'helice aerienne Download PDF

Info

Publication number
FR3008676B1
FR3008676B1 FR1357149A FR1357149A FR3008676B1 FR 3008676 B1 FR3008676 B1 FR 3008676B1 FR 1357149 A FR1357149 A FR 1357149A FR 1357149 A FR1357149 A FR 1357149A FR 3008676 B1 FR3008676 B1 FR 3008676B1
Authority
FR
France
Prior art keywords
pipel
propeller blade
aerial propeller
aerial
blade
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.)
Active
Application number
FR1357149A
Other languages
English (en)
Other versions
FR3008676A1 (fr
Inventor
Sebastien TAJAN
Jacques Philippe Fabre Adrien
Christophe Jacquemard
Adrien Laurenceau
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.)
Safran Aircraft Engines SAS
Original Assignee
Safran Aircraft Engines SAS
SNECMA SAS
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 Safran Aircraft Engines SAS, SNECMA SAS filed Critical Safran Aircraft Engines SAS
Priority to FR1357149A priority Critical patent/FR3008676B1/fr
Publication of FR3008676A1 publication Critical patent/FR3008676A1/fr
Application granted granted Critical
Publication of FR3008676B1 publication Critical patent/FR3008676B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C11/00—Propellers, e.g. of ducted type; Features common to propellers and rotors for rotorcraft
    • B64C11/30—Blade pitch-changing mechanisms
    • B64C11/32—Blade pitch-changing mechanisms mechanical
    • B64C11/34—Blade pitch-changing mechanisms mechanical automatic
    • B64C11/346—Blade pitch-changing mechanisms mechanical automatic actuated by the centrifugal force or the aerodynamic drag acting on auxiliary masses or surfaces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C11/00—Propellers, e.g. of ducted type; Features common to propellers and rotors for rotorcraft
    • B64C11/30—Blade pitch-changing mechanisms
    • B64C11/32—Blade pitch-changing mechanisms mechanical
    • B64C11/325—Blade pitch-changing mechanisms mechanical comprising feathering, braking or stopping systems
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENTS OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
    • B64D27/00—Arrangement or mounting of power plant in aircraft; Aircraft characterised thereby
    • B64D2027/005—Aircraft with an unducted turbofan comprising contra-rotating rotors, e.g. contra-rotating open rotors [CROR]
    • 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
    • F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
    • F01D5/30—Fixing blades to rotors; Blade roots ; Blade spacers
    • F01D5/3007—Fixing blades to rotors; Blade roots ; Blade spacers of axial insertion type
    • 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)
  • Aviation & Aerospace Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
FR1357149A 2013-07-19 2013-07-19 Pivot de pale d'helice aerienne Active FR3008676B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR1357149A FR3008676B1 (fr) 2013-07-19 2013-07-19 Pivot de pale d'helice aerienne

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1357149 2013-07-19
FR1357149A FR3008676B1 (fr) 2013-07-19 2013-07-19 Pivot de pale d'helice aerienne

Publications (2)

Publication Number Publication Date
FR3008676A1 FR3008676A1 (fr) 2015-01-23
FR3008676B1 true FR3008676B1 (fr) 2018-04-20

Family

ID=49237439

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1357149A Active FR3008676B1 (fr) 2013-07-19 2013-07-19 Pivot de pale d'helice aerienne

Country Status (1)

Country Link
FR (1) FR3008676B1 (fr)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1065582A (en) * 1965-02-23 1967-04-19 Dowty Rotol Ltd Variable-pitch propellers
US3922852A (en) * 1973-10-17 1975-12-02 Gen Electric Variable pitch fan for gas turbine engine
FR2957329B1 (fr) * 2010-03-15 2012-08-03 Snecma Mecanisme de calage variable de pales pour systeme d'helices contrarotatives et systeme d'helices contrarotatives comportant au moins un tel mecanisme
US8371105B2 (en) * 2010-09-30 2013-02-12 General Electric Company Hydraulic system for fan pitch change actuation of counter-rotating propellers

Also Published As

Publication number Publication date
FR3008676A1 (fr) 2015-01-23

Similar Documents

Publication Publication Date Title
MA50588A (fr) Système de pointe d'une pale de turbine éolienne
DK3108140T3 (da) Vindmøllevingebøsningssystem
BR112015023113A2 (pt) palheta limpadora
FR3002409B1 (fr) Lame de calcul pour serveur montable sur bati
FR3009104B1 (fr) Procede de modelisation d'une pale d'une helice non-carenee
FI20136033A (fi) Vedenalainen jäljitysjärjestelmä
FR2992610B1 (fr) Balai d'essuie-glace
FR3005684B1 (fr) Pivot de pale d'helice
DK2887262T3 (da) Punktskyforenkling
FR3006988B1 (fr) Pivot de pale d'helice aerienne en forme de calotte spherique
FR3010972B1 (fr) Ensemble d'helice et ensemble de retenue de pale d'helice
FR3012113B1 (fr) Dispositif anti-regel pour pales d'aeronef
FR3034130B1 (fr) Demontage d'aubes de soufflante
DK3093485T3 (da) Vindmøllevinge
FR3014798B1 (fr) Balai d'essuie-glace
DK3077661T3 (da) Forbøjet vindmøllevinge
FR3005989B1 (fr) Turbopropulseur d'aeronef
FI20135274A (fi) Parannettu seurantajärjestelmä
FR3011529B1 (fr) Pivot de pale d'helice aerienne
FR3031486B1 (fr) Balai d'essuie-glace
FR3005685B1 (fr) Pivot de pale d'helice
BR302013001547S1 (pt) "configuração aplicada em farol"
FR3008676B1 (fr) Pivot de pale d'helice aerienne
FR3005686B1 (fr) Pivot pour pale d'helice de soufflante non carenee
DK3158192T3 (da) Vindmøllevingeanordning

Legal Events

Date Code Title Description
PLFP Fee payment

Year of fee payment: 3

PLFP Fee payment

Year of fee payment: 4

PLFP Fee payment

Year of fee payment: 5

CD Change of name or company name

Owner name: SAFRAN AIRCRAFT ENGINES, FR

Effective date: 20170719

PLFP Fee payment

Year of fee payment: 6

PLFP Fee payment

Year of fee payment: 8

PLFP Fee payment

Year of fee payment: 9

PLFP Fee payment

Year of fee payment: 10

PLFP Fee payment

Year of fee payment: 11