FR3116511B1 - Ensemble propulsif comprenant deux hélices contrarotatives - Google Patents

Ensemble propulsif comprenant deux hélices contrarotatives Download PDF

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Publication number
FR3116511B1
FR3116511B1 FR2012125A FR2012125A FR3116511B1 FR 3116511 B1 FR3116511 B1 FR 3116511B1 FR 2012125 A FR2012125 A FR 2012125A FR 2012125 A FR2012125 A FR 2012125A FR 3116511 B1 FR3116511 B1 FR 3116511B1
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FR
France
Prior art keywords
rotation
propulsive
propulsion assembly
propulsive propeller
counter
Prior art date
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Active
Application number
FR2012125A
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English (en)
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FR3116511A1 (fr
Inventor
Hyung-Jun Chang
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 SA
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Safran SA
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Publication date
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Priority to FR2012125A priority Critical patent/FR3116511B1/fr
Publication of FR3116511A1 publication Critical patent/FR3116511A1/fr
Application granted granted Critical
Publication of FR3116511B1 publication Critical patent/FR3116511B1/fr
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Classifications

    • 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
    • B64D35/00—Transmitting power from power plants to propellers or rotors; Arrangements of transmissions
    • B64D35/04—Transmitting power from power plants to propellers or rotors; Arrangements of transmissions characterised by the transmission driving a plurality of propellers or rotors
    • B64D35/06—Transmitting power from power plants to propellers or rotors; Arrangements of transmissions characterised by the transmission driving a plurality of propellers or rotors the propellers or rotors being counter-rotating
    • 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
    • B64C11/001—Shrouded propellers
    • 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
    • B64C—AEROPLANES; HELICOPTERS
    • B64C27/00—Rotorcraft; Rotors peculiar thereto
    • B64C27/04—Helicopters
    • B64C27/08—Helicopters with two or more rotors
    • B64C27/10—Helicopters with two or more rotors arranged coaxially
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
    • F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
    • F02C7/36—Power transmission arrangements between the different shafts of the gas turbine plant, or between the gas-turbine plant and the power user
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02K—JET-PROPULSION PLANTS
    • F02K3/00—Plants including a gas turbine driving a compressor or a ducted fan
    • F02K3/02—Plants including a gas turbine driving a compressor or a ducted fan in which part of the working fluid by-passes the turbine and combustion chamber
    • F02K3/04—Plants including a gas turbine driving a compressor or a ducted fan in which part of the working fluid by-passes the turbine and combustion chamber the plant including ducted fans, i.e. fans with high volume, low pressure outputs, for augmenting the jet thrust, e.g. of double-flow type
    • F02K3/068—Plants including a gas turbine driving a compressor or a ducted fan in which part of the working fluid by-passes the turbine and combustion chamber the plant including ducted fans, i.e. fans with high volume, low pressure outputs, for augmenting the jet thrust, e.g. of double-flow type being characterised by a short axial length relative to the diameter
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02K—JET-PROPULSION PLANTS
    • F02K3/00—Plants including a gas turbine driving a compressor or a ducted fan
    • F02K3/02—Plants including a gas turbine driving a compressor or a ducted fan in which part of the working fluid by-passes the turbine and combustion chamber
    • F02K3/04—Plants including a gas turbine driving a compressor or a ducted fan in which part of the working fluid by-passes the turbine and combustion chamber the plant including ducted fans, i.e. fans with high volume, low pressure outputs, for augmenting the jet thrust, e.g. of double-flow type
    • F02K3/072—Plants including a gas turbine driving a compressor or a ducted fan in which part of the working fluid by-passes the turbine and combustion chamber the plant including ducted fans, i.e. fans with high volume, low pressure outputs, for augmenting the jet thrust, e.g. of double-flow type with counter-rotating, e.g. fan rotors
    • 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
    • F05D2220/32—Application in turbines in gas turbines
    • F05D2220/329—Application in turbines in gas turbines in helicopters
    • 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
    • F05D2250/00—Geometry
    • F05D2250/30—Arrangement of components
    • F05D2250/36—Arrangement of components in inner-outer relationship, e.g. shaft-bearing arrangements
    • 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
    • F05D2260/40—Transmission of power
    • F05D2260/403—Transmission of power through the shape of the drive components
    • F05D2260/4031—Transmission of power through the shape of the drive components as in toothed gearing
    • F05D2260/40311—Transmission of power through the shape of the drive components as in toothed gearing of the epicyclical, planetary or differential 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)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • General Engineering & Computer Science (AREA)
  • Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
  • Retarders (AREA)

Abstract

Un ensemble propulsif (EP) pour aéronef comprenant : un arbre moteur (4) s’étendant selon un axe moteur (X) et configuré pour être relié à un moteur (M) d’aéronef, une première hélice propulsive (1) s’étendant dans un plan de rotation (P) orthogonal à l’axe moteur (X), la première hélice propulsive (1) étant configurée pour être entrainée dans un mouvement de rotation autour dudit arbre moteur (4) selon un premier sens de rotation (SR1), une deuxième hélice propulsive (2), etun système de transmission (3) configuré pour entrainer la deuxième hélice propulsive (2) en rotation selon un deuxième sens de rotation (SR2) opposé au premier sens de rotation (SR1),ensemble propulsif (EP) dans lequel la première hélice propulsive (1) et la deuxième hélice propulsive (2) s’étendent dans le même plan de rotation (P) orthogonal à l’axe moteur (X). Figure de l’abrégé : Figure 3
FR2012125A 2020-11-25 2020-11-25 Ensemble propulsif comprenant deux hélices contrarotatives Active FR3116511B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR2012125A FR3116511B1 (fr) 2020-11-25 2020-11-25 Ensemble propulsif comprenant deux hélices contrarotatives

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR2012125 2020-11-25
FR2012125A FR3116511B1 (fr) 2020-11-25 2020-11-25 Ensemble propulsif comprenant deux hélices contrarotatives

Publications (2)

Publication Number Publication Date
FR3116511A1 FR3116511A1 (fr) 2022-05-27
FR3116511B1 true FR3116511B1 (fr) 2024-07-12

Family

ID=74860045

Family Applications (1)

Application Number Title Priority Date Filing Date
FR2012125A Active FR3116511B1 (fr) 2020-11-25 2020-11-25 Ensemble propulsif comprenant deux hélices contrarotatives

Country Status (1)

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FR (1) FR3116511B1 (fr)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008013542A1 (de) * 2008-03-11 2009-09-17 Rolls-Royce Deutschland Ltd & Co Kg Strömungsarbeitsmaschine mit mehrstromiger Rotoranordnung
CN102001440B (zh) * 2010-11-05 2013-07-17 陈敬萍 多级式强力风扇和可垂直起降飞机
US9228535B2 (en) * 2012-07-24 2016-01-05 United Technologies Corporation Geared fan with inner counter rotating compressor
FR2997681B1 (fr) 2012-11-08 2015-05-15 Snecma Avion propulse par un turboreacteur a soufflantes contrarotatives
US9278760B2 (en) * 2013-09-04 2016-03-08 Sikorsky Aircraft Corporation Torque split gearbox for rotary wing aircraft
FR3041933B1 (fr) * 2015-10-05 2018-07-13 Safran Aircraft Engines Aeronef avec un ensemble propulsif comprenant un doublet d'helices a l'arriere du fuselage
GB201813672D0 (en) * 2018-08-22 2018-10-03 Rolls Royce Plc Turbomachine

Also Published As

Publication number Publication date
FR3116511A1 (fr) 2022-05-27

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