Patent ID: 7252476

Claim:
A lubrication device for lubricating a shaft bearing in a turbojet, the device comprising: an annular component support part mounted on stationary elements and defining a lubrication chamber around the shaft bearing; and an annular cover including an oil inlet for lubricating the shaft bearing, the annular cover having a radial end face mounted in a sealed manner on a radial end face of said annular support part, sealing being provided by an annular gasket mounted between the support part and the cover, said cover including an annular enclosure for feeding pressurizing and cooling air, the enclosure is fed at its upstream end by ducts formed through the support part and having their downstream ends opening out around the annular gasket, wherein the device includes means for providing a flow of pressurizing and cooling air between the radial end face of the support part and the radial end face of said cover around said annular gasket.