[go: up one dir, main page]

FR3155571B1 - Motoreducteur pour un aeronef - Google Patents

Motoreducteur pour un aeronef

Info

Publication number
FR3155571B1
FR3155571B1 FR2312791A FR2312791A FR3155571B1 FR 3155571 B1 FR3155571 B1 FR 3155571B1 FR 2312791 A FR2312791 A FR 2312791A FR 2312791 A FR2312791 A FR 2312791A FR 3155571 B1 FR3155571 B1 FR 3155571B1
Authority
FR
France
Prior art keywords
aircraft
geared motor
ring gear
reducer
solar element
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
FR2312791A
Other languages
English (en)
Other versions
FR3155571A1 (fr
Inventor
Maxime Fernandez
Boris Pierre Marcel Morelli
Quentin Pierre Henri Pigott
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 Transmission Systems SAS
Original Assignee
Safran Transmission Systems 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 Transmission Systems SAS filed Critical Safran Transmission Systems SAS
Priority to FR2312791A priority Critical patent/FR3155571B1/fr
Priority to PCT/FR2024/051513 priority patent/WO2025109265A1/fr
Publication of FR3155571A1 publication Critical patent/FR3155571A1/fr
Application granted granted Critical
Publication of FR3155571B1 publication Critical patent/FR3155571B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C27/00—Rotorcraft; Rotors peculiar thereto
    • B64C27/04—Helicopters
    • B64C27/12—Rotor drives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C29/00—Aircraft capable of landing or taking-off vertically, e.g. vertical take-off and landing [VTOL] aircraft
    • B64C29/0008—Aircraft capable of landing or taking-off vertically, e.g. vertical take-off and landing [VTOL] aircraft having its flight directional axis horizontal when grounded
    • B64C29/0016—Aircraft capable of landing or taking-off vertically, e.g. vertical take-off and landing [VTOL] aircraft having its flight directional axis horizontal when grounded the lift during taking-off being created by free or ducted propellers or by blowers
    • 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
    • B64D27/30—Aircraft characterised by electric power plants
    • 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
    • F02K5/00—Plants including an engine, other than a gas turbine, driving a compressor or a ducted fan
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/04—Features relating to lubrication or cooling or heating
    • F16H57/042—Guidance of lubricant
    • F16H57/043—Guidance of lubricant within rotary parts, e.g. axial channels or radial openings in shafts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/04—Features relating to lubrication or cooling or heating
    • F16H57/0434—Features relating to lubrication or cooling or heating relating to lubrication supply, e.g. pumps; Pressure control
    • F16H57/0441—Arrangements of pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/04—Features relating to lubrication or cooling or heating
    • F16H57/045—Lubricant storage reservoirs, e.g. reservoirs in addition to a gear sump for collecting lubricant in the upper part of a gear case
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/04—Features relating to lubrication or cooling or heating
    • F16H57/0456—Lubrication by injection; Injection nozzles or tubes therefor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/04—Features relating to lubrication or cooling or heating
    • F16H57/048—Type of gearings to be lubricated, cooled or heated
    • F16H57/0482—Gearings with gears having orbital motion
    • F16H57/0486—Gearings with gears having orbital motion with fixed gear ratio 
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/08—General details of gearing of gearings with members having orbital motion
    • 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
    • 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
    • F05D2260/98—Lubrication

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
  • General Details Of Gearings (AREA)
  • Retarders (AREA)

Abstract

Motoréducteur (10) pour un aéronef, ce motoréducteur (10) comportant un moteur électrique (12) et un réducteur mécanique (14), le réducteur (14) comportant un solaire (26) mobile en rotation autour d’un axe (A), une couronne (28), et des satellites (30) intercalés entre le solaire (26) et la couronne (28) et engrenés avec le solaire (26) et la couronne (28), les satellites (30) étant portés par un porte-satellites (32), le motoréducteur comportant en outre un circuit (60) de lubrification des engrènements du réducteur (14), caractérisé en ce que le circuit de lubrification (60) est autonome et installé à l’intérieur du motoréducteur (10). Figure pour l'abrégé : Figure 1
FR2312791A 2023-11-21 2023-11-21 Motoreducteur pour un aeronef Active FR3155571B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR2312791A FR3155571B1 (fr) 2023-11-21 2023-11-21 Motoreducteur pour un aeronef
PCT/FR2024/051513 WO2025109265A1 (fr) 2023-11-21 2024-11-15 Motoreducteur pour un aeronef

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR2312791A FR3155571B1 (fr) 2023-11-21 2023-11-21 Motoreducteur pour un aeronef
FR2312791 2023-11-21

Publications (2)

Publication Number Publication Date
FR3155571A1 FR3155571A1 (fr) 2025-05-23
FR3155571B1 true FR3155571B1 (fr) 2025-11-07

Family

ID=89767382

Family Applications (1)

Application Number Title Priority Date Filing Date
FR2312791A Active FR3155571B1 (fr) 2023-11-21 2023-11-21 Motoreducteur pour un aeronef

Country Status (2)

Country Link
FR (1) FR3155571B1 (fr)
WO (1) WO2025109265A1 (fr)

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2853382B1 (fr) 2003-04-04 2006-04-28 Hispano Suiza Sa Systeme de liaison souple entre un porte-satellites et le support fixe dans un reducteur de vitesse
FR2987416B1 (fr) 2012-02-23 2015-09-04 Snecma Dispositif de lubrification d'un reducteur epicycloidal.
FR3041054B1 (fr) 2015-09-15 2017-09-15 Hispano-Suiza Dispositif d'alimentation en huile pour un reducteur a train epicycloidal.
FR3073915B1 (fr) 2017-11-17 2019-10-25 Safran Transmission Systems Cage de reducteur de vitesse a train planetaire ou epicycloidal de turbomachine
FR3084428B1 (fr) 2018-07-26 2020-09-11 Safran Trans Systems Cage de reducteur de vitesse a train planetaire ou epicycloidal de turbomachine
US11794913B2 (en) * 2020-10-20 2023-10-24 The Boeing Company Integrated electric propulsion unit
GB202019212D0 (en) * 2020-12-07 2021-01-20 J And M Ferranti Tech Limited Propulsion systems for aircraft
US11787551B1 (en) * 2022-10-06 2023-10-17 Archer Aviation, Inc. Vertical takeoff and landing aircraft electric engine configuration

Also Published As

Publication number Publication date
FR3155571A1 (fr) 2025-05-23
WO2025109265A1 (fr) 2025-05-30

Similar Documents

Publication Publication Date Title
FR3116096B1 (fr) Reducteur mecanique de turbomachine d’aeronef
EP3527844B1 (fr) Intégration d'un train d'engrenages dans un voile de pignon de boitier d'entrainement pour turbomachine
EP3864299B1 (fr) Turbomachine comprenant un rotor portant des pales a calage variable
RU2012133966A (ru) Система винтов противоположного вращения для турбомашины летательного аппарата
FR3054264B1 (fr) Turbomachine a reducteur a train epicycloidal
FR3062421B1 (fr) Dispositif d'entrainement d'une pompe a carburant pour turbomachine
FR3128263B1 (fr) Motoréducteur et cycle associé
FR3155571B1 (fr) Motoreducteur pour un aeronef
FR3095252B1 (fr) Reducteur mecanique de turbomachine d’aeronef
FR2444493A1 (fr) Melangeur conique a vis
FR3098847B1 (fr) Reducteur a train epicycloïdal pour une turbomachine
GB927684A (en) Epicyclic gearing
FR3062423B1 (fr) Systeme d'entrainement d'une pompe a carburant d'une turbomachine
FR3155569B1 (fr) Motoreducteur pour un aeronef
FR3155572B1 (fr) Motoreducteur pour un aeronef
FR2406133A1 (fr) Manivelle a excentricite variable
US4440044A (en) Two stage speed reducer
US2688263A (en) Planetary gearing
FR3106176B1 (fr) Réducteur pour turbomachine muni d’un générateur électrique
FR3134867B1 (fr) Reducteur mecanique de turbomachine d’aeronef
CN115036696B (zh) 一种便携式天线转台
US2351219A (en) Gearing
GB1208518A (en) A driving device for a steerable propeller for a marine vessel
FR3092367B1 (fr) Turbomachine d’aeronef
FR3155506B1 (fr) Dispositif d’entrainement d’au moins une roue d’un train d’atterrissage d’aeronef

Legal Events

Date Code Title Description
PLFP Fee payment

Year of fee payment: 2

PLSC Publication of the preliminary search report

Effective date: 20250523

PLFP Fee payment

Year of fee payment: 3