Intermediate casing for turbomachine and accessory gearbox drive assembly
AssigneeSnecma
InventorsKevin Morgane Lemarchand, Michel Gilbert Roland Brault
Life of this patent
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Abstract
A turbomachine intermediate casing including an internal hub designed to accept a turbomachine compressor shaft, an outer shell ring, and a plurality of radial arms connecting the hub and the shell ring, one of the arms including an internal housing of radial shaft for driving auxiliary machines, the casing further includes a bevel gearbox for the radial shaft arranged in the outer shell ring, the gearbox being formed as one with the outer shell ring, and the bevel gearbox includes a housing for gears between a radial shaft and an accessories gearbox, the housing including an opening opening to the periphery of the outer shell ring.
Claims10
An intermediate turbomachine casing, comprising:
- an inner hub adapted to receive a turbomachine compressor shaft,
- an outer ferrule comprising an inner wall and an outer wall, the outer wall radially spaced apart from and extending around the inner wall, at the periphery of the outer ferrule, and
- a plurality of radial arms connecting the inner hub and the outer ferrule, one of the arms comprising an inner housing of a radial shaft for driving auxiliary machines,
- an angle gearbox of the radial shaft arranged in the outer ferrule, said gearbox being integrally formed with the outer ferrule, and the angle gearbox comprises a gear housing between the radial shaft and an accessory gearbox,
- wherein said gear housing comprises an opening provided in the outer wall of the outer ferrule.
Dependencies are inferred from the claim text.