Hub for radial housing of a helical ring of a turbomachine with variable-pitch blades and assembly comprising such a hub
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United States of America Patent
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Aug 30, 2016
Issued Date -
N/A
app pub date -
Jul 2, 2013
filing date -
Jul 2, 2012
priority date (Note) -
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Abstract
A helical ring including a polygonal body and a plurality of cylindrical radial housings arranged in the body is provided. Each housing includes a surface adapted to receive a support of a blade of a helix. The surface of each housing is arranged on a radially internal surface of a corresponding hub. Each hub is a separate piece attached to the body of the ring, intended to be received in a radial housing of the body of the ring. The hub includes two projecting pins relative to its external surface to be fastened to the edges of a housing of the annular body, the two projecting pins forming a centering axis.
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