DEVICE FOR LUBRICATING UPPER BEARING SUPPORT OF VERTICAL GEARING SHAFT Russian patent published in 1994 - IPC

FIELD: mechanical engineering. SUBSTANCE: ends of a hollow shaft are mounted in lower and upper bearing supports of a gearing case. An oil sump pocket is made in the form of a cylindrical cup mounted coaxially to the shaft on the lower bearing support with upper edge of the cup located below the level of a check plug. Oil feed device is made in the form of an impeller located inside the cup and fastened to the shaft through a thrust bush. Longitudinal grooves are made on the inner surface of the cup under the impeller. EFFECT: improved structure. 4 dwg