Patent ID: 6691830
Filing Date: 2004-02-17
Classification: B64C,F16H

Abstract:
A device for lubricating a power gearbox having a variable orientation and comprising a closed space, said lubricating device comprising:lubricating means for supplying lubricant to at least one element of said gearbox that needs to be lubricated; a collecting reservoir for collecting lubricant from said closed space; at least one rotary drain screw member, which includes an Archimedean drain screw, equipped with a number of orifices and which is arranged in said closed space to convey lubricant from said closed space to said collecting reservoir, wherein said orifices are made in the drain screw member and are facing respectively different zones of said closed space such that said drain screw can always collect lubricant from said closed space regardless of the orientation of said gearbox; and drive means for driving said drain screw in rotation.