Bearing lubricating system for electric rotary machine

Details Bearing lubricating system for electric rotary machine Bearing lubricating system for electric rotary machine

1982-10-19

1984-06-19

Footland, Lenard A.

Bearings

Rotary bearing

Plain bearing

308187, F16C 3310

Patent

active

044550995

ABSTRACT:
For a vertical shaft electric rotary machine comprising a pair of upper and lower vertical shafts extending from a rotor and rotatably supported by a bearing within an upper oil tank and a bearing unit within a lower oil tank respectively, a disclosed bearing lubricating system comprises an amount of a lubricating oil charged into each of the oil tanks, centrifugal pump means per se known and disposed around the bearing unit to pump the lubricating oil to an external oil cooler, an annular tub disposed below the centrifugal pump means to receive the lubricating oil from the oil cooler, a supply pipe with a flow rate control valve connected between the oil cooler and the upper oil tank and a return pipe connected between the upper and lower oil tanks.

REFERENCES:
patent: 2709567 (1955-05-01), Wood
patent: 3031973 (1962-05-01), Kramer
patent: 3786901 (1974-01-01), Randell
patent: 4397571 (1983-08-01), Morrill

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