Guide vane architecture

US8469662B2 · kind B2 · utility

Assignee

• Techspace Aero S.A. · BE

Inventors

• Rodolphe Lebrun · Namur, BE
• Alain Derclaye · Couthuin, BE

Key dates

• Filing date: Dec 17, 2009
• Grant date: Jun 25, 2013
• Expiry date: Jan 12, 2032

Classification

• Technology area (CPC F): Mechanical Engineering; Lighting; Heating
• CPC primary: F01D9/042
• WIPO field: Engines, pumps, turbines
• WIPO sector: Mechanical engineering

Abstract

Guide vane stage of a turbine engine comprising a series of fixed blades connecting an inner collar to an outer collar, characterized in that said fixed blades comprise attachment platforms with flat surfaces that co-operate with a plurality of juxtaposed flat facets, the flat facets being located on the inner face of the outer collar in order to ensure attachment with a contact of a flat/flat type between the fixed blades and the outer collar.