FIELD: reduction gears and speed gear-boxes. SUBSTANCE: device includes screw feeder located in sleeve which is coaxial relative to shaft and gear wheel hub and is connected with oil bath on one side and with centrifugal sprayer on other side. Centrifugal sprayer is used to direct oil to contact area of gear wheels. Circular sleeve is secured in housing around vertical shaft. Hollow multistart screw feeder is secured on hub together with centrifugal sprayer which is made in the form of centrifugal pump impeller with blades whose number is equal to number of teeth and profile of line of blades corresponds to profile of theoretical line of blades on pitch cone development. Each blade is located in center of tooth space. EFFECT: enhanced reliability. 2 dwg
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