Patent · US Active

Propeller blade with lightweight insert

US9429024B2 · kind B2 · utility

5Cited by

7References

15Claims

0Family size

Assignees

Hamilton Sundstrand Corporation (HSC) · US
RATIER-FIGEAC SAS · FR

Inventors

David P. Nagle · Westfield, US
Paul A. Carvalho · Westfield, US
Bruno Seminal · Cahors, FR
Stephane Grimal · Villefranche-de-Rouergue, FR

Key dates

Filing date	Nov 30, 2012
Grant date	Aug 30, 2016
Priority date	—
Expiry date	Mar 15, 2035

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB64C11/26
WIPO fieldEngines, pumps, turbines
WIPO sectorMechanical engineering

Abstract

A propeller blade includes a foam core and a structural layer that surrounds at least a portion of the foam core and includes a face side and a camber side is disclosed. The propeller blade also includes an insert disposed in the foam core in operable contact with the face side and the camber side of the structural layer.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.