Burner including non-uniformly cooled tetrahedron vortex generators and method for cooling

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United States of America Patent

PATENT NO 8850788
SERIAL NO

12720890

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Abstract

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The burner (1) for a gas turbine includes a duct (2) housing a plurality of tetrahedron shaped vortex generators (3) and a lance (4) to inject a fuel to be combusted. Within the duct (2), a plurality of vortex generators (3) are provided with a plurality of holes (9) for injecting cooling air. The cooling holes (9) define passing through areas that are non-uniformly distributed on a top wall (11) of the vortex generators (3). A method for locally cooling a hot gases flow passing through a burner includes non-uniformly injecting cooling air from a vortex generator into the hot gas flow in the duct, which can reduce the occurrence of flashback in the burner.

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Patent Owner(s)

Patent OwnerAddress
ANSALDO ENERGIA IP UK LIMITEDLONDON W1G 9DQ

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Benz, Urs Gipf-Oberfrick, CH 51 446
Buss, Johannes Hohberg, DE 9 38
Ciani, Andrea Zürich, CH 24 189
Düsing, Michael Rheinfelden, DE 14 77
Eroglu, Adnan Untersiggenthal, CH 84 1046

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