Patent ID: 8496438
Filing Date: 2013-07-30
Classification: B64C,F01D,F02K,F04D,F05D,Y02T

Abstract:
1. An aircraft turbomachine propeller, comprising: a plurality of arcuate blades each comprising a root mounted on a hub rotating about the rotation axis of the propeller and an airfoil that prolongs the root, at least one blade comprising a means of retaining the blade in an outwards radial direction, said retaining means being engaged in a housing of said blade opening radially inwards at the root of the blade, and fixed in translation in said outwards radial direction, said housing passing through the root along said radial direction and extends inside said airfoil along an approximately radially outwards direction, said retaining means being engaged over the entire length of said housing, wherein said retaining means is mounted, at its upper end, on said airfoil by an attachment means passing substantially transversely through said airfoil and said upper end of the retaining means, wherein at least a portion of the retaining means and a corresponding portion of the housing engaged with the retaining means inside the airfoil includes an arcuate portion, wherein the arcuate portion of the retaining means and the arcuate portion of the housing curve in a same first direction, and wherein the plurality of arcuate blades curve in a second direction opposite the first direction.