Safran Aircraft Engines

Quentin De Richaud

Nicolas Xavier Trappier

Stéphane Pierre Guillaume Blanchard

Antoine Hervé Dos Santos

The invention relates to an assembly () for a turbine of a turbomachine, comprising: a first rotor disk (), a second rotor disk (), a part forming a mobile ring (), comprising a system for preventing rotation of the mobile ring () relative to the rotor disks (), said system comprising: a rotor disk securing flange () having a plurality of teeth () that are distributed circumferentially about the turbomachine longitudinal axis (X-X), and a mobile ring securing flange () having a plurality of lugs () that are distributed circumferentially about the turbomachine longitudinal axis (X-X), the engagement of the rotor disk securing flange () with the mobile ring securing flange () ensuring, by means of the teeth () and the lugs (), that the mobile ring () does not rotate relative to the rotor disks ().

Assembly for a turbine of a turbomachine comprising a mobile sealing ring

The present invention relates to a rotor () of a turbomachine turbine, comprising a rotor disc () and a plurality of blades () distributed at its periphery, said rotor disc () comprising a plurality of mainly axial cells (), each blade () comprising a root (), retained in one of the cells () of said rotor disc, each root being dimensioned so as to form a space () between the bottom of the cell () and the radially inner face () of the root. This rotor is remarkable in that said root comprises a mainly axial blind hole () opening onto the upstream face of the root and a plurality of mainly radial air ejection orifices (), each air ejection orifice () opening into said blind hole () and onto the radially inner face () of the root located facing the bottom of the cell ().

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Moissy-Cramayel, France

Quentin De Richaud