公开(公告)号：US20170328227A1

公开(公告)日：2017-11-16

申请号：US15536096

申请日：2015-12-17

Applicant: Safran Aircraft Engines

Inventor： Damien Bernard QUELVEN ,  Jean-Baptiste Vincent DESFORGES ,  Maurice Guy JUDET ,  Ba-Phuc TANG

IPC: F01D11/00 ,  F01D5/02 ,  F01D9/04 ,  F01D11/02

CPC classification number: F01D11/001 ,  F01D5/02 ,  F01D5/082 ,  F01D5/087 ,  F01D9/041 ,  F01D11/006 ,  F01D11/02 ,  Y02T50/671 ,  Y02T50/676

Abstract: The present invention relates to a turbine assembly (10) of a turbine engine (1), comprising at least: a first bladed rotor (12), a bladed stator (13) and a second bladed rotor (14) arranged in series, the rotors (12, 14) being mounted on a shaft (2); a sealing plate (20) extending between the stator (13) and the shaft (2) and separating a first recess (C1) arranged between the first rotor (12) and the stator (13), from a second recess (C2) arranged between the stator (13) and the second rotor (14); and pressure-reducing means (300, 31) positioned inside the first recess (C1), the assembly being characterised in that said pressure-reducing means (300, 31) comprise a plurality of substantially radial recompression fins (300) extending into the first recess (C1).

公开(公告)号：US20180209302A1

公开(公告)日：2018-07-26

申请号：US15745788

申请日：2016-07-19

Applicant: SAFRAN AIRCRAFT ENGINES

Inventor： Alain Dominique GENDRAUD ,  Jean-Baptiste Vincent DESFORGES ,  Arnaud GENILIER ,  Reda OUDYI

IPC: F01D25/24 ,  F16B39/24 ,  F16B39/10

Abstract: An assembly including a securing stud held by a locking key that rotates with the stud and is provided with bearing surfaces for sitting on an edge of one of the parts to be assembled. Sufficient clamping torque can be introduced without risk of damage and at the same time avoiding excessive screwing of the stud.