US 11,982,188 B2
Turbomachine rotary assembly comprising an annular clamping part
Simon Jean-Marie Bernard Cousseau, Moissy-cramayel (FR); Nicolas Xavier Trappier, Moissy-Cramayel (FR); and Maxime Aurelien Rotenberg, Moissy-cramayel (FR)
Assigned to SAFRAN AIRCRAFT ENGINES, Paris (FR)
Appl. No. 17/906,248
Filed by SAFRAN AIRCRAFT ENGINES, Paris (FR)
PCT Filed Mar. 19, 2021, PCT No. PCT/FR2021/050461
§ 371(c)(1), (2) Date Sep. 13, 2022,
PCT Pub. No. WO2021/186135, PCT Pub. Date Sep. 23, 2021.
Claims priority of application No. 2002695 (FR), filed on Mar. 19, 2020.
Prior Publication US 2023/0125862 A1, Apr. 27, 2023
Int. Cl. F01D 11/12 (2006.01); F01D 9/04 (2006.01); F01D 11/02 (2006.01)
CPC F01D 11/122 (2013.01) [F01D 9/042 (2013.01); F01D 11/02 (2013.01); F05D 2220/32 (2013.01); F05D 2240/11 (2013.01); F05D 2240/12 (2013.01); F05D 2240/24 (2013.01); F05D 2240/55 (2013.01)] 11 Claims
OG exemplary drawing
 
1. A rotary assembly for a turbomachine, comprising:
a rotor including:
at least two consecutive rotor stages provided with a plurality of blades, and
an annular rotor shroud connecting said two consecutive rotor stages,
a stator including:
at least one stator stage provided between said two consecutive rotor stages comprising:
a plurality of vanes, each comprising a turbomachine stator vane root,
an annular clamping part, and
an annular support of abradable material,
the root extending radially and being clamped axially between the annular support of abradable material and the annular clamping part,
wherein a space radially separates a radially internal end of the root and the annular support of abradable material, and
wherein the root comprises a notch configured to cooperate by interlocking with a protrusion provided in the annular support of abradable material.