TURBINE ENGINE WITH A PAIR OF CONTRAROTATING PROPELLERS PLACED UPSTREAM OF THE GAS GENERATOR

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TURBINE ENGINE WITH A PAIR OF CONTRAROTATING PROPELLERS PLACED UPSTREAM OF THE GAS GENERATOR

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ESCURE DIDIER RENE ANDRE / BERSOT JEAN-FRANCOIS ENDY / BOUDEBIZA TEWFIK / CHARIER GILLES ALAIN / NGUYEN VAN THOMAS JULIEN / REIGNER JEAN PHILIPPE PIERRE-ALAIN

Abstract

Engine comprising a propeller unit with a pair of contrarotating propellers (31, 32), a gas generator (5) supplying a power turbine (53), the pair of propellers being rotationally driven by the shaft (53A) of the power turbine via a speed reduction gearbox, the axis of rotation (XX) of the pair of propellers not being coaxial with that (YY) of the power turbine, the speed reduction gearbox comprising a differential gearset (7) and a first stage (6) comprising a simple gearset connecting the turbine shaft (53A) and the differential gearset (7), the engine air intake comprising an air intake duct (11), the air intake duct (11) being in the shape of a lobe adjacent to the assembly formed by the simple gearset and the differential gearset (7).

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Title :

TURBINE ENGINE WITH A PAIR OF CONTRAROTATING PROPELLERS PLACED UPSTREAM OF THE GAS GENERATOR

Contributors:

ESCURE DIDIER RENE ANDRE (author) / BERSOT JEAN-FRANCOIS ENDY (author) / BOUDEBIZA TEWFIK (author) / CHARIER GILLES ALAIN (author) / NGUYEN VAN THOMAS JULIEN (author) / REIGNER JEAN PHILIPPE PIERRE-ALAIN (author)

Publication date :

2018-05-10

Type of media :

Patent

Type of material :

Electronic Resource

Language :

English

Classification :

IPC:

F02C Gasturbinenanlagen , GAS-TURBINE PLANTS / B64D Ausrüstung für Flugzeuge , EQUIPMENT FOR FITTING IN OR TO AIRCRAFT