Ferrule for counter-rotating turbine impeller

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 12085014
APP PUB NO 20240093638A1
SERIAL NO

17754858

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Abstract

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A counter-rotating turbine for a turbine engine comprising an inner rotor having an inner drum to which is attached a plurality of inner impellers rotatably supported by a first shaft, an outer rotor comprising an outer drum to which is fastened a plurality of outer impellers rotatably supported by a second shaft coaxial with the first shaft, the outer rotor comprising a downstream impeller having a plurality of downstream moving blades extending between an outer shroud and an inner shroud, one upstream end of the outer shroud being attached downstream of said outer drum, the inner shroud being attached to the second shaft, at least one of the inner shroud and of the outer shroud comprising at least one flexible transition part configured to allow elastic deformation of said shroud in the radial direction.

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Patent Owner(s)

Patent OwnerAddress
SAFRAN AIRCRAFT ENGINES2 BOULEVARD DU GÉNÉRAL MARTIAL VALIN 75015 PARIS

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Cousseau, Simon Jean-Marie Bernard Moissy-Cramayel, FR 5 1
Delalandre, Mathieu Patrick Henri Moissy-Cramayel, FR 1 0
Sultana, Patrick Jean Laurent Moissy-Cramayel, FR 12 5
Zamai, Laurent Cédric Moissy-Cramayel, FR 7 1

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