Turbomachine having a contrarotating turbine for an aircraft

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11988136
APP PUB NO 20230011485A1
SERIAL NO

17756501

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A turbomachine having a contrarotating turbine for an aircraft, the turbomachine including a contrarotating turbine of which a first rotor is configured to rotate in a first direction of rotation and is connected to a first turbine shaft, and a second rotor configured to rotate in an opposite direction of rotation and connected to a second turbine shaft. The first rotor includes turbine wheels interleaved between turbine wheels of the second rotor, the turbomachine further including a planetary-type epicyclic mechanical reduction gear which has a sun gear driven in rotation by the second shaft, a ring gear driven in rotation by the first shaft, and a planet carrier attached to a first stator casing of the turbomachine located upstream of the contrarotating turbine with respect to a direction of flow of gas in the turbomachine. The turbomachine includes bearings for guiding the first and second shafts.

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Patent Owner(s)

Patent OwnerAddress
SAFRAN AIRCRAFT ENGINES2 BOULEVARD DU GÉNÉRAL MARTIAL VALIN 75015 PARIS
SAFRAN TRANSMISSION SYSTEMS18 BOULEVARD LOUIS SEGUIN COLOMBES 92700

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Belmonte, Olivier Moissy-Cramayel, FR 71 383
Chevillot, Fabrice Joel Luc Moissy-Cramayel, FR 3 21
Formica, Olivier Moissy-Cramayel, FR 7 5
Levisse, Paul Ghislain Albert Moissy-Cramayel, FR 24 21
Niepceron, Clement Paul Rene Moissy-Cramayel, FR 1 0
Truco, Romain Moissy-Cramayel, FR 4 0

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