Patent ID: 7651049

Claim:
A helicopter comprising: a first and a second member; lubricated supporting means for supporting said first member movably with respect to said second member; and a primary lubricating circuit for lubricating said supporting means and in turn comprising primary storage means for accumulating a lubricating fluid, and primary fluid feed means for feeding said lubricating fluid to said supporting means; said helicopter comprising an auxiliary lubricating circuit supplied continually by said primary storage means with a first lubricating fluid flow value, and itself continually supplying said supporting means with a second lubricating fluid flow value lower than said first value, so as to produce an auxiliary storage volume of lubricating fluid for use in the event of breakdown of said primary lubricating circuit; said auxiliary storage volume being located outside the first member; said helicopter being characterized in that said first member rotates about an axis with respect to said second member, and defines internally a chamber supplied by said primary and said auxiliary lubricating circuit and fluidly connected to said supporting means by an opening formed in the first member and radial with respect to said axis.