F - Mech Eng,Light,Heat,Weapons – 02 – K
Patent
F - Mech Eng,Light,Heat,Weapons
02
K
60/109, 60/121
F02K 3/10 (2006.01) F02C 7/22 (2006.01) F02K 3/06 (2006.01) F23D 11/36 (2006.01) F23D 23/00 (2006.01) F23R 3/20 (2006.01)
Patent
CA 1303369
13LN 1769 FUEL SPRAYBAR ABSTRACT The present invention comprises a gas turbine engine augmentor including a new and improved fuel spraybar therein. The spraybar includes a base having a manifold for receiving fuel, and a plurality of fuel tubes extending from the base and in flow communication with the manifold. The invention further includes means for cooling the fuel tubes for allowing independent thermal movement between the cooling means and the fuel tubes. In one embodiment o the invention, the cooling means comprises an elongate shield disposed upstream of the fuel tubes to block direct impingement of combustion gases against the fuel tubes while channeling a cooling fluid such as air over the fuel tubes. In accordance with another embodiment, the invention includes means for securing the shield to the fuel tubes for allowing unrestrained longitudinal thermal movement while restraining lateral movement therebetween beyond a predetermined amount. In yet another embodiment, the invention includes means for laterally dispersing fuel from discharge ports disposed in the fuel tubes. The means may include a delta wing.
589978
Company General Electric
Oldham And Wilson
Vdoviak John W.
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