Device for attaching hammer clamp blades, associated compressor hub, compressor and turbine engine
AssigneeSnecma
InventorsOlivier Belmonte, Franck Emmanuel Bosco
Life of this patent
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AssigneeSnecma
InventorsOlivier Belmonte, Franck Emmanuel Bosco
Estimating the term…
The invention relates to a locking device for enabling the circular locking of a set of blades provided with a hammer base (5) on the rim of a turbine engine compressor hub (3), said rim comprising a peripheral groove (4) on the outer surface thereof for receiving the bases (5) of the blades of said set and two shoulders (7) framing said groove with surfaces which form bearings for holding said blades, said rim also comprising a cut-out (8) provided in at least one of said shoulders (7) to enable the bases (5) of the blades to be inserted in said groove (4), said device comprising a means (10) for translatably immobilising the blades in said groove, suitable for being positioned in said groove (4) between two consecutive blades and in turn translatably held in said groove by an attachment means, characterised in that said carrier is shaped so as to fit into said cut-out (8) and to rest circumferentially on at least one engagement surface (9a, 9b) of said shoulder (7).
1-13. (canceled)
A locking device designed to permit locking, in a circular fashion, of a set of blades provided with a hammer-type root, on a rim of a turbine engine compressor hub, said rim comprising a peripheral groove on an outer face thereof designed to receive the roots of the blades of said set and two shoulders surrounding said groove of which the faces form bearing surfaces for holding said blades, said rim further comprising a cutout formed in at least one of said shoulders to enable the roots of the blades to be inserted in said groove, said device comprising:
Dependencies are inferred from the claim text.