Title:
TURBINE WHEEL PROVIDED WITH AN AXIAL RETENTION DEVICE THAT LOCKS BLADES IN RELATION TO A DISK
Document Type and Number:
WIPO Patent Application WO/2010/067024
Kind Code:
A3
Abstract:
The present invention relates to a turbine wheel, including: a plurality of blades (14), each blade having a profile (144); a platform (142) and a clip (140); a disk (12), on the periphery of which the blades (14) are mounted, the clip of each blade being inserted into a recess (120) that opens into the periphery of the disk, and axially extending between two opposite surfaces (128, 130) of the disk, the recesses being separated by teeth (121); and a device (16) for axially retaining the blades. The disk comprises a first stopping member (126), and the platform of said blade comprises a projection (150) that axially projects beyond one of the surfaces of the disk. Said projection comprises a second stopping member (146). The axial projection, the second stopping member, and said surface of the disk form a groove that is oriented towards the disk axis (A), said groove being intended to receive the axial retention device.
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Inventors:
CHANTELOUP DENIS (FR)
Application Number:
PCT/FR2009/052469
Publication Date:
August 05, 2010
Filing Date:
December 10, 2009
Export Citation:
Assignee:
TURBOMECA (FR)
CHANTELOUP DENIS (FR)
CHANTELOUP DENIS (FR)
International Classes:
F01D5/30
Foreign References:
| US5256035A | 1993-10-26 | |||
| US5302086A | 1994-04-12 | |||
| GB2011551A | 1979-07-11 | |||
| FR2345605A1 | 1977-10-21 | |||
| US3888601A | 1975-06-10 |
Attorney, Agent or Firm:
BALESTA, Pierre et al. (158 rue de l'Université, Paris Cedex 07, FR)
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