Propeller hub
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United States of America Patent
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Jan 6, 2015
Issued Date -
N/A
app pub date -
Jul 2, 2010
filing date -
Jul 2, 2009
priority date (Note) -
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status (Latency Note)
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Abstract
A hub of a propeller with variable-pitch blades for a turbine engine, for example for a propfan engine. The hub of the propeller includes a polygonal ring with substantially radial cylindrical recesses distributed about a central axis of the ring for receiving the blades, a turbine rotor element of the turbine engine, and a securing flange that is attached to the ring so as to connect the ring to the rotor element. The hub further includes a plurality of back-up hooks inserted with clearance in openings, the back-up hooks being connected either to the ring or to the rotor element, and the openings being connected to the other one of the two.
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