Flameholder device for afterburners in gas turbine engines

US6334303B1 · kind B1 · utility

Assignee

• Volvo Aero Corporation · SE

Inventors

• Joakim Berglund · carrer de Sertori, SE
• Ronald Borg · carrer de Sertori, SE
• Jens Dahlin · carrer de Sertori, SE
• Peter Emvin · carrer de Sertori, SE
• Stefan Hansson · Karlstad, SE
• Ola Isaksson · carrer de Sertori, SE
• Peter-Nemo Lorens Fredrik Ivarsson · carrer de Sertori, SE
• Henrik Johansson · Uppsala, SE
• Torbjörn Salomonson · Vänersborg, SE
• Anders Sjunnesson · carrer de Sertori, SE

Key dates

• Filing date: Oct 29, 1999
• Grant date: Jan 1, 2002
• Expiry date: Oct 29, 2019

Classification

• Technology area (CPC F): Mechanical Engineering; Lighting; Heating
• CPC primary: F23R3/20
• WIPO field: Engines, pumps, turbines
• WIPO sector: Mechanical engineering

Abstract

The invention refers to a flameholder device for afterburners in gas turbine engines with a cooling air fan of by-pass type, comprising a plurality of radial flameholder means (1) which at their radially outer end are mounted to the afterburner casing (2) and have a longitudinal air channel which ends at the radially inner end of said means (1), at which end is arranged a circumferentially extending arcuate flameholder gutter. In order to provide for a relief of the stresses from said flameholder device on the casing (2) it is suggested according to the invention that the flameholder means (1) at their radially outer ends each are pivotably and releasably mounted to said casing and in that the gutters of the respective flameholder means are formed as a common integral annular supporting and load-carrying body (14).