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1. WO2019197750 - TURBOMACHINE COMPRISING A DEVICE FOR IMPROVING THE COOLING OF ROTOR DISCS BY AN AIR FLOW

Publication Number WO/2019/197750
Publication Date 17.10.2019
International Application No. PCT/FR2019/050759
International Filing Date 02.04.2019
IPC
F01D 5/08 2006.01
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
DNON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
5Blades; Blade-carrying members; Heating, heat-insulating, cooling, or antivibration means on the blades or the members
02Blade-carrying members, e.g. rotors
08Heating, heat-insulating, or cooling means
F01D 11/24 2006.01
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
DNON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
11Preventing or minimising internal leakage of working fluid, e.g. between stages
08for sealing space between rotor blade tips and stator
14Adjusting or regulating tip-clearance, i.e. distance between rotor-blade tips and stator casing
20Actively adjusting tip-clearance
24by selectively cooling or heating stator or rotor components
F04D 29/58 2006.01
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
04POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
DNON-POSITIVE-DISPLACEMENT PUMPS
29Details, component parts, or accessories
58Cooling; Heating; Diminishing heat transfer
CPC
F01D 11/24
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
DNON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
11Preventing or minimising internal leakage of working-fluid, e.g. between stages
08for sealing space between rotor blade tips and stator
14Adjusting or regulating tip-clearance, i.e. distance between rotor-blade tips and stator casing
20Actively adjusting tip-clearance
24by selectively cooling-heating stator or rotor components
F01D 5/081
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
DNON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
5Blades; Blade-carrying members
02Blade-carrying members, e.g. rotors
08Heating, heat-insulating or cooling means
081Cooling fluid being directed on the side of the rotor disc or at the roots of the blades
F01D 5/082
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
DNON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
5Blades; Blade-carrying members
02Blade-carrying members, e.g. rotors
08Heating, heat-insulating or cooling means
081Cooling fluid being directed on the side of the rotor disc or at the roots of the blades
082on the side of the rotor disc
F04D 29/321
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
DNON-POSITIVE-DISPLACEMENT PUMPS
29Details, component parts, or accessories
26Rotors specially for elastic fluids
32for axial flow pumps
321for axial flow compressors
F04D 29/584
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
DNON-POSITIVE-DISPLACEMENT PUMPS
29Details, component parts, or accessories
58Cooling
582specially adapted for elastic fluid pumps
584cooling or heating the machine
F05D 2240/40
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
05INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
DINDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
2240Components
40Use of a multiplicity of similar components
Applicants
  • SAFRAN AIRCRAFT ENGINES [FR]/[FR]
Inventors
  • SCHOLTES, Christophe
Agents
  • BARBE, Laurent
  • DELAHAYE, Jean-Baptiste
  • ALEXANDRINE, Nathalie
Priority Data
185323913.04.2018FR
Publication Language French (FR)
Filing Language French (FR)
Designated States
Title
(EN) TURBOMACHINE COMPRISING A DEVICE FOR IMPROVING THE COOLING OF ROTOR DISCS BY AN AIR FLOW
(FR) TURBOMACHINE COMPORTANT UN DISPOSITIF D'AMELIORATION DU REFROIDISSEMENT DE DISQUES DE ROTOR PAR UN FLUX D'AIR
Abstract
(EN)
The invention concerns an aircraft turbomachine, comprising at least one tubular element (12), such as a rotor shaft, and at least one rotor wheel extending around said tubular element (12) and comprising a disk (8b) carrying, at the outer periphery of same, an annular row of blades, said disk (8b) extending at a radial distance h from said tubular element (12) in such a way as to define an annular flow space for a cooling gas flow (Fr) during operation, characterised in that said tubular element (12) comprises at least one annular wall (19) extending radially outwards and configured to divert said gas flow (Fr) in order for it to pass substantially radially between the disk (8b) and this annular wall (19).
(FR)
L'invention concerne une turbomachine d'aéronef, comportant au moins un élément tubulaire (12), tel qu'un arbre de rotor, et au moins une roue de rotor s'étendant autour dudit élément tubulaire (12) et comportant un disque (8b) portant à sa périphérie externe une rangée annulaire d'aubes, ledit disque (8b) s'étendant à distance radiale h dudit élément tubulaire (12) de façon à définir un espace annulaire d'écoulement d'un flux de gaz de refroidissement (Fr) en fonctionnement, caractérisée en ce que ledit élément tubulaire (12) comprend au moins une paroi annulaire (19) s'étendant radialement vers l'extérieur et configurée pour dévier ledit flux de gaz (Fr) afin qu'il passe sensiblement radialement entre le disque (8b) et cette paroi annulaire (19)
Also published as
EP2019719571
Latest bibliographic data on file with the International Bureau