F - Mech Eng,Light,Heat,Weapons – 02 – C
Patent
F - Mech Eng,Light,Heat,Weapons
02
C
F02C 7/06 (2006.01) F01D 25/18 (2006.01) F02C 7/36 (2006.01)
Patent
CA 2676831
An oil scavenge system of a gas turbine engine in accordance with one embodiment of the present invention, comprises a housing (32) defined about an axis of rotation, the housing (32) confining an air/oil mixture in motion within the housing (32) and defining an oil scavenge area (46) below the axis of rotation. The housing (32) further includes an outlet (48) at a low location of the housing (32). A churning damper (40) is supported within the housing (32) and is located in the oil scavenge area (46). The churning damper (40) includes at least one plate (42), allowing the air/oil mixture in motion to pass over or through the plate (42) only in a peripheral area of the at least one plate (42) to cause flow energy dissipation.
L'invention concerne un système de vidange d'huile d'un moteur à turbine à gaz qui, selon un mode de réalisation de la présente invention, comprend un boîtier (32) défini autour d'un axe de rotation, le boîtier (32) confinant un mélange air/huile en mouvement à l'intérieur du boîtier (32) et définissant une zone de vidange d'huile (46) au-dessous de l'axe de rotation. Le boîtier (32) comprend en outre une sortie (48) à un emplacement bas du boîtier (32). Un amortisseur de turbulence (40) est supporté à l'intérieur du boîtier (32) et est situé dans la zone de vidange d'huile (46). L'amortisseur de turbulence (40) comprend au moins une plaque (42), permettant au mélange air/huile en mouvement de passer sur ou à travers la plaque (42) seulement dans une zone périphérique de la ou des plaques (42) pour provoquer une dissipation d'énergie d'écoulement.
Alecu Daniel T.
Parkman Kenneth
Norton Rose Or S.e.n.c.r.l.,s.r.l./llp
Pratt & Whitney Canada Corp.
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