F - Mech Eng,Light,Heat,Weapons – 01 – D
Patent
F - Mech Eng,Light,Heat,Weapons
01
D
60/165, 60/57
F01D 19/00 (2006.01)
Patent
CA 1083363
APPARATUS AND METHOD FOR STARTING A LARGE GAS TURBINE HAVING A CATALYTIC COMBUSTOR ABSTRACT OF THE DISCLOSURE Apparatus and method for starting a gas turbine engine is shown wherein the combustion chamber has a fixed geometry providing a high throughput velocity to prevent flashback during normal operation of the engine. Thus, there is provided a flame holding zone out of the main flow path through the chamber that exhausts into the chamber upstream of a catalytic reactor element to preheat the catalyst to a sufficiently high temperature for continuous auto-combustion therein prior to the rotor of the engine attaining running speed. After running speed the combustion in the flame holding zone is extinguished and the velocity of the fuel/ air mixture in the main flow path through the chamber is sufficient to maintain the combustion within the catalytic element for the continuous running of the engine without any flashback.
285405
Decorso Serafino M.
Pillsbury Paul W.
Mcconnell And Fox
Westinghouse Electric Corporation
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