FR3133367B1 - Propulseur aeronautique - Google Patents

Propulseur aeronautique Download PDF

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Publication number
FR3133367B1
FR3133367B1 FR2202172A FR2202172A FR3133367B1 FR 3133367 B1 FR3133367 B1 FR 3133367B1 FR 2202172 A FR2202172 A FR 2202172A FR 2202172 A FR2202172 A FR 2202172A FR 3133367 B1 FR3133367 B1 FR 3133367B1
Authority
FR
France
Prior art keywords
downstream stator
blades
pitch
shrouded
aeronautical
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
FR2202172A
Other languages
English (en)
Other versions
FR3133367A1 (fr
Inventor
Aguilera Fernando Gea
Eva Julie Lebeault
Anthony Binder
Mathieu Patrick Jean-Louis Lallia
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
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 filed Critical Safran Aircraft Engines SAS
Priority to FR2202172A priority Critical patent/FR3133367B1/fr
Priority to CN202380031738.1A priority patent/CN118974381A/zh
Priority to US18/845,543 priority patent/US20250197014A1/en
Priority to PCT/FR2023/050294 priority patent/WO2023170358A1/fr
Priority to EP23714234.4A priority patent/EP4490392A1/fr
Publication of FR3133367A1 publication Critical patent/FR3133367A1/fr
Application granted granted Critical
Publication of FR3133367B1 publication Critical patent/FR3133367B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • F01D17/00—Regulating or controlling by varying flow
    • F01D17/10—Final actuators
    • F01D17/12—Final actuators arranged in stator parts
    • F01D17/14—Final actuators arranged in stator parts varying effective cross-sectional area of nozzles or guide conduits
    • F01D17/16—Final actuators arranged in stator parts varying effective cross-sectional area of nozzles or guide conduits by means of nozzle vanes
    • F01D17/162—Final actuators arranged in stator parts varying effective cross-sectional area of nozzles or guide conduits by means of nozzle vanes for axial flow, i.e. the vanes turning around axes which are essentially perpendicular to the rotor centre line
    • 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
    • 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
    • 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
    • F02C9/00—Controlling gas-turbine plants; Controlling fuel supply in air- breathing jet-propulsion plants
    • F02C9/16—Control of working fluid flow
    • F02C9/20—Control of working fluid flow by throttling; by adjusting vanes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/52—Casings; Connections of working fluid for axial pumps
    • F04D29/54—Fluid-guiding means, e.g. diffusers
    • F04D29/541—Specially adapted for elastic fluid pumps
    • F04D29/542—Bladed diffusers
    • F04D29/544—Blade shapes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/52—Casings; Connections of working fluid for axial pumps
    • F04D29/54—Fluid-guiding means, e.g. diffusers
    • F04D29/56—Fluid-guiding means, e.g. diffusers adjustable
    • F04D29/563—Fluid-guiding means, e.g. diffusers adjustable specially adapted for elastic fluid pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D9/00—Priming; Preventing vapour lock
    • F04D9/04—Priming; Preventing vapour lock using priming pumps; using booster pumps to prevent vapour-lock
    • F04D9/041—Priming; Preventing vapour lock using priming pumps; using booster pumps to prevent vapour-lock the priming pump having evacuating action
    • 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]

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Fluid Mechanics (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)

Abstract

Propulseur aéronautique (10) d’axe longitudinal (X) comprenant un moyeu (12), une rangée annulaire de pales rotoriques amont (14) non carénées et une rangée annulaire de pales statoriques aval (16) non carénées, chaque pale statorique aval (16) étant à calage variable, et dans lequel au moins l’une des pales statoriques aval (16) est dans une configuration à calage fermé relativement à une autre des pales statoriques aval (16) en ce qu’elle présente un angle de calage (γ) inférieur à l’angle de calage (γ) de l’autre pale statorique aval (16). Figure de l’abrégé : Figure 2
FR2202172A 2022-03-11 2022-03-11 Propulseur aeronautique Active FR3133367B1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FR2202172A FR3133367B1 (fr) 2022-03-11 2022-03-11 Propulseur aeronautique
CN202380031738.1A CN118974381A (zh) 2022-03-11 2023-03-03 航空推进器
US18/845,543 US20250197014A1 (en) 2022-03-11 2023-03-03 Aeronautical thruster
PCT/FR2023/050294 WO2023170358A1 (fr) 2022-03-11 2023-03-03 Propulseur aeronautique
EP23714234.4A EP4490392A1 (fr) 2022-03-11 2023-03-03 Propulseur aeronautique

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR2202172 2022-03-11
FR2202172A FR3133367B1 (fr) 2022-03-11 2022-03-11 Propulseur aeronautique

Publications (2)

Publication Number Publication Date
FR3133367A1 FR3133367A1 (fr) 2023-09-15
FR3133367B1 true FR3133367B1 (fr) 2024-08-23

Family

ID=81648191

Family Applications (1)

Application Number Title Priority Date Filing Date
FR2202172A Active FR3133367B1 (fr) 2022-03-11 2022-03-11 Propulseur aeronautique

Country Status (5)

Country Link
US (1) US20250197014A1 (fr)
EP (1) EP4490392A1 (fr)
CN (1) CN118974381A (fr)
FR (1) FR3133367B1 (fr)
WO (1) WO2023170358A1 (fr)

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EP4490392A1 (fr) 2025-01-15
US20250197014A1 (en) 2025-06-19
WO2023170358A1 (fr) 2023-09-14
CN118974381A (zh) 2024-11-15

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