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1. (WO2014202905) IMPROVED INTERMEDIATE CASING FOR TURBOMACHINE AND ACCESSORY GEARBOX DRIVE ASSEMBLY

Pub. No.:    WO/2014/202905    International Application No.:    PCT/FR2014/051514
Publication Date: Thu Dec 25 00:59:59 CET 2014 International Filing Date: Thu Jun 19 01:59:59 CEST 2014
IPC: F01D 25/16
F02C 7/32
Applicants: SNECMA
Inventors: LEMARCHAND, Kevin
BRAULT, Michel, Gilbert, Roland
Title: IMPROVED INTERMEDIATE CASING FOR TURBOMACHINE AND ACCESSORY GEARBOX DRIVE ASSEMBLY
Abstract:
The invention relates to a turbomachine intermediate casing (10) comprising: - an internal hub (11) designed to accept a turbomachine compressor shaft, - an outer shell ring, and - a plurality of radial arms (13) connecting the hub and the shell ring, one of the arms comprising an internal housing of radial shaft (20) for driving auxiliary machines, the casing being characterized in that it further comprises a bevel gearbox (30) for the radial shaft (20) arranged in the outer shell ring, said gearbox being formed as one with the outer shell ring, and the bevel gearbox (30) comprises a housing for gears (31) between a radial shaft and an accessories gearbox, said housing (31) comprising an opening (35) opening to the periphery of the outer shell ring (12). The invention also relates to a turbomachine accessories gearbox drive assembly comprising such a casing.