Gas-turbine burner for a gas turbine with purging mechanism for a fuel nozzle

US8443609B2 · kind B2 · utility

Assignee

• ROLLS-ROYCE DEUTSCHLAND LTD & CO KG · DE

Inventors

• Thomas Doerr · Berlin, DE
• Leif Rackwitz · Rangsdorf, DE
• Waldemar Lazik · Berlin, DE

Key dates

• Filing date: Mar 18, 2009
• Grant date: May 21, 2013
• Expiry date: Jan 20, 2032

Classification

• Technology area (CPC F): Mechanical Engineering; Lighting; Heating
• CPC primary: F23D2209/30
• WIPO field: Engines, pumps, turbines
• WIPO sector: Mechanical engineering

Abstract

A gas-turbine burner for a gas turbine includes a fuel nozzle 1 having several fuel exit holes 23, which are each connected to a fuel line 5, 7, 29, 30, through which fuel can be passed selectively Between individual fuel exit holes 23, different static pressures of the airflow are provided between fuel lines flown by fuel and fuel lines not flown by fuel.