Lubrication and cooling of a reduction gear with epicyclic...

Details Lubrication and cooling of a reduction gear with epicyclic... Lubrication and cooling of a reduction gear with epicyclic...

F - Mech Eng,Light,Heat,Weapons

16

H

F16H 57/04 (2010.01) F16H 1/36 (2006.01)

Patent

CA 2751521

The invention relates to a method for lubricating and cooling a reduction gear with epicyclic gear train, in particular in a turbomachine of an aircraft engine, including a cylindrical casing (52) mounted on the planet carrier (30) of the reduction gear and forming a centrifugal scoop surrounding the stationary oil-carrying ramps (56), said cylindrical casing (52) including radial conduits (62, 64, 66) supplying injectors (68) directed towards the areas where the planet gears (28) mesh with the outer crown or crowns (16, 20) of the reduction gear.

Lubrification et refroidissement d'un réducteur à train d'engrenages épicycloïdal, en particulier dans une turbomachine de moteur d'avion, comprenant une enveloppe cylindrique (52) montée sur le porte-satellites (30) du réducteur et formant une écope centrifuge entourant des rampes fixes (56) d'amenée d'huile, cette enveloppe cylindrique (52) comprenant des conduits radiaux (62, 64, 66) alimentant des gicleurs (68) orientés vers les zones d'engrènement des pignons satellites (28) avec la ou les couronnes extérieures (16, 20) du réducteur.

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