Alstom Technology Limited

Guenter Sybon

Urs Benz

Jaan Hellat

Franz Joos

Marcel Stalder

Pirmin Schiessel

In a method for igniting a thermal turbomachine, the turbomachine containing a combustion chamber ( ), an ignition device ( ), a fuel supply ( ) and an air supply ( ), and the ignition device ( ) consisting of an ignition space ( ) and of an ignitor ( ) arranged in the ignition space ( ), the fuel supply ( ) and the air supply ( ) discharging into the ignition space ( ), and the ignition space ( ) being connected to the combustion chamber ( ) via a flame tube ( ), prior to the ignition of the combustion chamber ( ), an overall fuel/air mixture ratio &PHgr; &equals;1/&lgr; greater than 1, with &lgr; being the overall air ratio, is set in the flame tube ( ) of the ignition device ( ).

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Gebenstorf, Switzerland

Guenter Sybon