AIRCRAFT TURBINE ENGINE COMPRISING VARIABLE PITCH PROPELLER BLADES

An assembly including a propeller blade and a pitch adjustment system for setting the pitch of the blade. A root of the blade has a bulb and the pitch adjustment system for setting the pitch of the blade includes a cup having an upper opening; a retaining ring, which extends around the bulb, is rest...

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Bibliographic Details
Main Authors JOUDON, Vincent, COURTIER, Vivien Mickaël, JABLONSKI, Laurent, SERVANT, Régis Eugène Henri, COTTET, Clément, LANGLOIS, Arnaud
Format Patent
LanguageEnglish
Published 14.09.2023
Subjects
AEROPLANES
AIRCRAFT
AVIATION
BLASTING
COSMONAUTICS
ENGINE PLANTS IN GENERAL
HEATING
HELICOPTERS
LIGHTING
MACHINES OR ENGINES IN GENERAL
MECHANICAL ENGINEERING
NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAMTURBINES
PERFORMING OPERATIONS
STEAM ENGINES
TRANSPORTING
WEAPONS
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Summary:An assembly including a propeller blade and a pitch adjustment system for setting the pitch of the blade. A root of the blade has a bulb and the pitch adjustment system for setting the pitch of the blade includes a cup having an upper opening; a retaining ring, which extends around the bulb, is restricted at least in terms of axial movement towards the opening relative to the cup and has a bearing face to inhibit axial movement of the root towards the opening The pitch adjustment system being further includes a lower seat for the root to engage the cup, the seat and/or the retaining ring being mounted so as to be capable of axial translation relative to the cup by at least one clamping mechanism.
Bibliography:Application Number: US202118006128