Device adapted to be fitted with propeller blades

US8622699B2 · kind B2 · utility

Assignee

• SNECMA · FR

Inventors

• Francois Gallet · Paris, FR
• Patrick Morel · Chartrettes, FR
• Wouter Balk · Weesp, NL

Key dates

• Filing date: Oct 14, 2010
• Grant date: Jan 7, 2014
• Expiry date: Mar 23, 2032

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y02T50/60
• WIPO field: Engines, pumps, turbines
• WIPO sector: Mechanical engineering

Abstract

A device adapted to be fitted with propeller blades includes a first retention ring including over a periphery thereof a plurality of radial bores; and a second retention ring including over a periphery thereof a plurality of radial bores, the first and second retention rings being mounted one on top of the other in the radial direction, each bore in the first retention ring being positioned opposite a bore in the second retention ring, a bore in the first retention ring arranged opposite a bore in the second retention ring forming a bore pair adapted to receive a foot of a blade.