FR2992346B1 - Helice non carenee de turbomachine d'aeronef presentant des pieds de pales refroidis par des conduits d'air de refroidissement traversant les pales - Google Patents

Helice non carenee de turbomachine d'aeronef presentant des pieds de pales refroidis par des conduits d'air de refroidissement traversant les pales

Info

Publication number
FR2992346B1
FR2992346B1 FR1255905A FR1255905A FR2992346B1 FR 2992346 B1 FR2992346 B1 FR 2992346B1 FR 1255905 A FR1255905 A FR 1255905A FR 1255905 A FR1255905 A FR 1255905A FR 2992346 B1 FR2992346 B1 FR 2992346B1
Authority
FR
France
Prior art keywords
blades
cooling air
cooled
air ducts
aircraft turbomachine
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
FR1255905A
Other languages
English (en)
Other versions
FR2992346A1 (fr
Inventor
Sarah Chartier
Dominik Igel
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
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 SNECMA SAS filed Critical SNECMA SAS
Priority to FR1255905A priority Critical patent/FR2992346B1/fr
Publication of FR2992346A1 publication Critical patent/FR2992346A1/fr
Application granted granted Critical
Publication of FR2992346B1 publication Critical patent/FR2992346B1/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
    • B64C11/02—Hub construction
    • B64C11/04—Blade mountings
    • B64C11/06—Blade mountings for variable-pitch blades
    • 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
    • B64C11/46—Arrangements of, or constructional features peculiar to, multiple propellers
    • B64C11/48—Units of two or more coaxial propellers
    • 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
    • F01D5/02—Blade-carrying members, e.g. rotors
    • F01D5/08—Heating, heat-insulating or cooling means
    • F01D5/081—Cooling fluid being directed on the side of the rotor disc or at the roots of the blades
    • 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
    • F01D5/12—Blades
    • F01D5/14—Form or construction
    • F01D5/18—Hollow blades, i.e. blades with cooling or heating channels or cavities; Heating, heat-insulating or cooling means on blades
    • F01D5/187—Convection cooling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
    • B64D27/00—Arrangement or mounting of power plants in aircraft; Aircraft characterised by the type or position of power plants
    • B64D2027/005—Aircraft with an unducted turbofan comprising contra-rotating rotors, e.g. contra-rotating open rotors [CROR]
    • 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)
  • Aviation & Aerospace Engineering (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
FR1255905A 2012-06-22 2012-06-22 Helice non carenee de turbomachine d'aeronef presentant des pieds de pales refroidis par des conduits d'air de refroidissement traversant les pales Active FR2992346B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR1255905A FR2992346B1 (fr) 2012-06-22 2012-06-22 Helice non carenee de turbomachine d'aeronef presentant des pieds de pales refroidis par des conduits d'air de refroidissement traversant les pales

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1255905A FR2992346B1 (fr) 2012-06-22 2012-06-22 Helice non carenee de turbomachine d'aeronef presentant des pieds de pales refroidis par des conduits d'air de refroidissement traversant les pales

Publications (2)

Publication Number Publication Date
FR2992346A1 FR2992346A1 (fr) 2013-12-27
FR2992346B1 true FR2992346B1 (fr) 2016-12-23

Family

ID=46826751

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1255905A Active FR2992346B1 (fr) 2012-06-22 2012-06-22 Helice non carenee de turbomachine d'aeronef presentant des pieds de pales refroidis par des conduits d'air de refroidissement traversant les pales

Country Status (1)

Country Link
FR (1) FR2992346B1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3021295B1 (fr) 2014-05-21 2016-05-13 Snecma Moyeu raidi pour helice non carenee a pales a calage variable de turbomachine.
FR3025246B1 (fr) * 2014-08-29 2016-12-09 Snecma Roue aubagee a calages variables
FR3025247B1 (fr) * 2014-08-29 2016-11-11 Snecma Roue aubagee a calages variables

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8210798B2 (en) * 2008-02-13 2012-07-03 United Technologies Corporation Cooled pusher propeller system
FR2945270B1 (fr) * 2009-05-05 2011-04-22 Airbus France Dispositif de degivrage pour pales de propulseur de type propfan
GB2474448A (en) * 2009-10-14 2011-04-20 Rolls Royce Plc A cooling system for an open rotor gas turbine engine
DE102010010130B4 (de) * 2010-03-04 2020-06-04 Rolls-Royce Deutschland Ltd & Co Kg Fluggasturbinenantrieb mit Enteisung

Also Published As

Publication number Publication date
FR2992346A1 (fr) 2013-12-27

Similar Documents

Publication Publication Date Title
GB201521937D0 (en) Gas turbine engine turbine cooling system
FR2963315B1 (fr) Helice d'aeronef
SG11201404270RA (en) Gas turbine engine buffer cooling system
FR3022218B1 (fr) Nacelle d'aeronef comprenant une entree d'air amelioree
EP3068975A4 (fr) Refroidissement de l'extrémité d'une aube de turbine d'un moteur à turbine à gaz
SG11201404676SA (en) Gas turbine engine buffer cooling system
BR112013023137A2 (pt) turbina eólica refrigerada por fluido
EP2811144A4 (fr) Ailette de rotor de soufflante d'un moteur à réaction pour aéronef
EP3108130A4 (fr) Moteur à turbine à gaz possédant un flux d'air de refroidissement minimal
FR2988778B1 (fr) Structure d'entree d'air de nacelle de turboreacteur de type laminaire
FR3005453B1 (fr) Nacelle de turboreacteur d'aeronef
GB2529756B (en) Cooling air system for aircraft turbine engine
EP2811143A4 (fr) Ailette de rotor de soufflante d'un moteur à réaction pour aéronef
EP2997231A4 (fr) Socle de turbulateur à passage de refroidissement de profil aérodynamique de moteur à turbine à gaz
EP3044418A4 (fr) Surface portante de moteur à turbine à gaz avec système de refroidissement à déflecteur à double arceau
SG11201404271UA (en) Gas turbine engine cooling system
EP3090145A4 (fr) Turbulateur de passage de refroidissement de composant de turbine à gaz
SG11201404986TA (en) Lightweight fan driving turbine
EP3324020A4 (fr) Turbine à gaz comprenant un système de refroidissement pourvu d'un chemin d'alimentation en air froid déviant vers une enveloppe extérieure
EP2964895A4 (fr) Pale de soufflante hybride pour moteurs à réaction
FR3017325B1 (fr) Installation de conditionnement thermique de preformes avec refroidissement d'une portion de la preforme par une lame d'air pulse
GB2567989B (en) Air flow system for engine cooling
FR2992346B1 (fr) Helice non carenee de turbomachine d'aeronef presentant des pieds de pales refroidis par des conduits d'air de refroidissement traversant les pales
SG11201403113YA (en) Fan blade attachment of gas turbine engine
FR3040428B1 (fr) Dispositif de refroidissement par jets d'air du carter d'une turbine d'une turbomachine

Legal Events

Date Code Title Description
PLFP Fee payment

Year of fee payment: 5

PLFP Fee payment

Year of fee payment: 6

CD Change of name or company name

Owner name: SAFRAN AIRCRAFT ENGINES, FR

Effective date: 20170719

PLFP Fee payment

Year of fee payment: 7

PLFP Fee payment

Year of fee payment: 9

PLFP Fee payment

Year of fee payment: 10

PLFP Fee payment

Year of fee payment: 11

PLFP Fee payment

Year of fee payment: 12

PLFP Fee payment

Year of fee payment: 13