CA2936324C - Pale pour une helice de turbomachine, notamment a soufflante non carenee, helice et turbomachine correspondantes - Google Patents

Pale pour une helice de turbomachine, notamment a soufflante non carenee, helice et turbomachine correspondantes Download PDF

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Publication number
CA2936324C
CA2936324C CA2936324A CA2936324A CA2936324C CA 2936324 C CA2936324 C CA 2936324C CA 2936324 A CA2936324 A CA 2936324A CA 2936324 A CA2936324 A CA 2936324A CA 2936324 C CA2936324 C CA 2936324C
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CA
Canada
Prior art keywords
blade
protuberance
turbomachine
propeller
blades
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
CA2936324A
Other languages
English (en)
French (fr)
Other versions
CA2936324A1 (fr
Inventor
Laurence Francine Vion
Rasika FERNANDO
Norman Bruno Andre Jodet
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
Publication of CA2936324A1 publication Critical patent/CA2936324A1/fr
Application granted granted Critical
Publication of CA2936324C publication Critical patent/CA2936324C/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
    • B64C11/16—Blades
    • B64C11/18—Aerodynamic features
    • 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
    • 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
    • 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
    • B64D27/02—Aircraft characterised by the type or position of power plants
    • B64D27/10—Aircraft characterised by the type or position of power plants of gas-turbine type 
    • 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
    • F01D5/141—Shape, i.e. outer, aerodynamic form
    • F01D5/145—Means for influencing boundary layers or secondary circulations
    • 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
    • F01D5/148—Blades with variable camber, e.g. by ejection of fluid
    • 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]
    • 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
    • F05D2240/00—Components
    • F05D2240/20—Rotors
    • F05D2240/30—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor
    • F05D2240/303—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor related to the leading edge of a rotor blade
    • 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
    • F05D2260/96—Preventing, counteracting or reducing vibration or noise
    • 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
    • F05D2260/96—Preventing, counteracting or reducing vibration or noise
    • F05D2260/961—Preventing, counteracting or reducing vibration or noise by mistuning rotor blades or stator vanes with irregular interblade spacing, airfoil shape
    • 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
    • F05D2270/00—Control
    • F05D2270/60—Control system actuates means
    • F05D2270/62—Electrical actuators
    • 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
    • F05D2270/00—Control
    • F05D2270/60—Control system actuates means
    • F05D2270/64—Hydraulic actuators
    • 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
    • F05D2270/00—Control
    • F05D2270/60—Control system actuates means
    • F05D2270/65—Pneumatic actuators
    • 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)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
CA2936324A 2014-02-05 2015-01-22 Pale pour une helice de turbomachine, notamment a soufflante non carenee, helice et turbomachine correspondantes Active CA2936324C (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR1450874 2014-02-05
FR1450874A FR3017165B1 (fr) 2014-02-05 2014-02-05 Pale pour une helice de turbomachine, notamment a soufflante non carenee, helice et turbomachine correspondantes
PCT/FR2015/050158 WO2015118243A1 (fr) 2014-02-05 2015-01-22 Pale pour une helice de turbomachine, notamment a soufflante non carenee, helice et turbomachine comprenant une telle pale

Publications (2)

Publication Number Publication Date
CA2936324A1 CA2936324A1 (fr) 2015-08-13
CA2936324C true CA2936324C (fr) 2021-07-13

Family

ID=50549129

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2936324A Active CA2936324C (fr) 2014-02-05 2015-01-22 Pale pour une helice de turbomachine, notamment a soufflante non carenee, helice et turbomachine correspondantes

Country Status (8)

Country Link
US (1) US10370086B2 (https=)
EP (1) EP3102487B1 (https=)
CN (1) CN105980248B (https=)
BR (1) BR112016016467B1 (https=)
CA (1) CA2936324C (https=)
FR (1) FR3017165B1 (https=)
RU (1) RU2667555C1 (https=)
WO (1) WO2015118243A1 (https=)

Families Citing this family (18)

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Publication number Priority date Publication date Assignee Title
US11192644B2 (en) * 2017-06-16 2021-12-07 Airbus Helicopters Aircraft rotor blade sleeve having a protuberance in its rear zone, and a rotor provided with such a sleeve
CN108953191B (zh) * 2018-07-24 2019-12-17 苏州睿澎诚科技有限公司 能够通过旋转进行扇叶开合的风扇
FR3084693B1 (fr) * 2018-08-03 2020-12-25 Safran Aircraft Engines Turbomachine a helices non carenees
FR3100563B1 (fr) * 2019-09-06 2021-08-06 Safran Aircraft Engines Moyeu polysphérique de turbomachine pour pales à calage variable
US12103702B2 (en) 2019-10-15 2024-10-01 General Electric Company Removeable fuselage shield for an aircraft
US11834196B2 (en) 2019-10-15 2023-12-05 General Electric Company System and method for control for unducted engine
US11506067B2 (en) 2019-10-15 2022-11-22 General Electric Company Gas turbine engine with clutch assembly
US11286795B2 (en) 2019-10-15 2022-03-29 General Electric Company Mount for an airfoil
US11401824B2 (en) 2019-10-15 2022-08-02 General Electric Company Gas turbine engine outlet guide vane assembly
CN112179670B (zh) * 2020-09-29 2021-08-06 西安交通大学 用于测量桨扇空中数据的桨扇试验器
US12410758B2 (en) 2022-01-10 2025-09-09 General Electric Company Three-stream gas turbine engine control
US11858615B2 (en) 2022-01-10 2024-01-02 General Electric Company Rotating airfoil assembly with opening formed therein to eject or to draw air
US12275532B2 (en) 2022-08-15 2025-04-15 General Electric Company Gas turbine engine noise reduction
US12480449B2 (en) 2022-08-22 2025-11-25 General Electric Company Propulsion system including an electric machine for starting a gas turbine engine
US12378887B2 (en) * 2022-11-28 2025-08-05 General Electric Company Airfoil assembly
US12352181B2 (en) 2023-01-30 2025-07-08 General Electric Company Turbine airfoils
US12215596B2 (en) 2023-06-30 2025-02-04 General Electric Company Unducted airfoil assembly
CN117072491B (zh) * 2023-08-14 2026-04-17 中国民用航空飞行学院 一种应用于高负荷压气机叶栅流动控制的涡流发生器

Family Cites Families (14)

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JPH10103002A (ja) * 1996-09-30 1998-04-21 Toshiba Corp 軸流流体機械用翼
JP3170470B2 (ja) * 1997-03-24 2001-05-28 株式会社コミュータヘリコプタ先進技術研究所 回転翼機のロータブレード
US5980209A (en) * 1997-06-27 1999-11-09 General Electric Co. Turbine blade with enhanced cooling and profile optimization
WO2003074850A1 (en) * 2002-03-01 2003-09-12 Honeywell International Inc. Improved vane design for use in variable geometry_turbocharger
US20060060721A1 (en) * 2004-03-30 2006-03-23 Phillip Watts Scalloped leading edge advancements
US7118071B2 (en) * 2004-03-31 2006-10-10 The Boeing Company Methods and systems for controlling lower surface shocks
AU2006233263B2 (en) * 2006-10-02 2012-05-03 Aon Invent Llc Safety propeller
EP2122164B1 (en) * 2007-01-05 2016-03-23 LM WP Patent Holding A/S Wind turbine blade with lift-regulating means in form of slots or holes
FR2924958B1 (fr) * 2007-12-14 2012-08-24 Snecma Aube de turbomachine realisee de fonderie avec un engraissement local de la section de la pale
RU2426888C1 (ru) * 2010-03-26 2011-08-20 Владимир Леонидович Письменный Рабочая лопатка турбины
US8061986B2 (en) * 2010-06-11 2011-11-22 General Electric Company Wind turbine blades with controllable aerodynamic vortex elements
FR2980818B1 (fr) * 2011-09-29 2016-01-22 Snecma Pale pour une helice de turbomachine, notamment a soufflante non carenee, helice et turbomachine correspondantes.
US20150217851A1 (en) * 2012-08-16 2015-08-06 Richard Kelso Wing configuration
US10099773B2 (en) * 2015-12-18 2018-10-16 Amazon Technologies, Inc. Propeller blade leading edge serrations for improved sound control

Also Published As

Publication number Publication date
BR112016016467B1 (pt) 2022-04-12
WO2015118243A1 (fr) 2015-08-13
RU2667555C1 (ru) 2018-09-21
US20160347440A1 (en) 2016-12-01
US10370086B2 (en) 2019-08-06
FR3017165B1 (fr) 2016-01-22
EP3102487B1 (fr) 2018-04-25
CN105980248A (zh) 2016-09-28
CA2936324A1 (fr) 2015-08-13
FR3017165A1 (fr) 2015-08-07
BR112016016467A2 (https=) 2017-08-08
CN105980248B (zh) 2019-01-08
EP3102487A1 (fr) 2016-12-14

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