Diffuser-nozzle assembly for a turbomachine
AssigneeSnecma
InventorsDidier Hippolyte HERNANDEZ, Romain Nicolas Lunel
Life of this patent
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Abstract
A diffuser-nozzle assembly mounted at the outlet from a centrifugal compressor comprising a plurality of vanes carried by a radially inner wall forming a surface of revolution and surrounded by an outer casing, elastically deformable means being interposed between the radially outer ends of the vanes of the nozzle and the outer casing, these means preventing air from passing between the outer casing and the radially outer ends of the vanes.
Claims14
A diffuser-nozzle assembly mounted at the outlet from a centrifugal compressor in a turbomachine, the diffuser comprising two annular plates, an upstream plate and a downstream plate, that are joined together by vanes, the upstream annular plate having its radially outer end bearing against an outer casing, the nozzle comprising a plurality of vanes carried by a radially inner wall forming a surface of revolution and surrounded by the outer casing, wherein elastically deformable means are interposed between the radially outer ends of the vanes of the nozzle and the outer casing, said means preventing air from passing between the outer casing and the radially outer ends of the vanes.
Dependencies are inferred from the claim text.