ROTARY MACHINE BEARINGS LUBRICATION DEVICE Russian patent published in 2019 - IPC F16C27/00 F02C7/06 F16C33/66 

FIELD: machine building.

SUBSTANCE: invention relates to the field of machine building and engine construction, and can be used in bearing assemblies with grease, for example, in the turbomachines with grease lubrication rotors bearings. Rotary machine bearings lubrication device includes bearing by the inner ring mounted on the hollow shaft, and by the outer ring in contact with the housing, symmetrically mounted on the bearing both sides activators. Between each activator and bearing there is a tank with grease. Each activator contains an axially movable bushing, which is fixed in the circumferential direction relative to the fixed housing cover by the guide pins, on which springs are installed, in contact with the stationary bushing end on one side, and with the movable bushing on the other side. In the housing fixed cover an active axial magnet is located, by the free end in contact with the movable bushing, located in turn with the minimum clearance relative to the rotating sealing ring, mounted on the shaft and in contact with the bearing inner ring. In the housing between the movable bushing and the sealing ring a sealing cap is installed. In the hollow shaft and in the housing communicated with the air cavity cooling holes are made.

EFFECT: increase in the rotary machines with grease lubrication bearing units service life due to increase in the reliability associated with decrease in the heat generation between the contacting elements and due to the structural elements additional cooling.

1 cl, 2 dwg