F - Mech Eng,Light,Heat,Weapons – 01 – D
Patent
F - Mech Eng,Light,Heat,Weapons
01
D
F01D 25/12 (2006.01) F01D 25/18 (2006.01) F16C 37/00 (2006.01)
Patent
CA 2563821
A gas turbine engine is configured to use relatively cool, low pressure air discharged from a low pressure compressor to supply buffer air to lubrication sump seals. The engine is further configured such that the lubrication sump is thermally layered by isolating relatively hot, high pressure compressor air from the sump by utilizing a warm vent mixing cavity, which is located radially between of the hot high pressure compressor air and the cool buffer air, which is located in a buffer cavity between the vent cavity and the sump.
L'invention concerne un moteur à turbine à gaz conçu pour utiliser de l'air basse pression relativement froid évacué d'un compresseur basse pression pour alimenter en air tampon des joints de carter de lubrification. Ledit moteur est en outre conçu de façon que le carter de lubrification soit disposé thermiquement en couches par isolation de l'air du compresseur haute pression relativement chaud provenant du carter au moyen d'une cavité de mélange à air chaud, placée radialement entre l'air du compresseur haute pression chaud et l'air tampon froid, placé dans une cavité tampon entre la cavité à air et le carter.
Morris Mark C.
Poon Kin
Tiltman Alan G.
Volkmann Bradley
Gowling Lafleur Henderson Llp
Honeywell International Inc.
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