Bearing device for vertical rotating machine

Details Bearing device for vertical rotating machine Bearing device for vertical rotating machine

1997-01-23

1998-03-03

Footland, Lenard A.

Bearings

Rotary bearing

Antifriction bearing

384478, F16C 3376

Patent

active

057227780

ABSTRACT:
A bearing device for supporting a rotating shaft substantially arranged in a vertical direction in a vertical rotation machine is disclosed. The bearing device enables the vertical rotation machine to operate in a stable and contamination-free condition by preventing leakage of lubricant as well as to decrease the lubricant consumption. The bearing device comprises a roller bearing for supporting the rotating shaft and a labyrinth seal provided below the bearing. An oil dam is provided at a bottom portion of a bearing chamber to surround the sealing. An oil suction pipe for discharging lubricant from the oil dam, a sealing gas supply passage for supplying sealing gas into the bearing chamber from below by way of the sealing, and a sealing gas vent port opening at an upper area of the bearing chamber are provided.

REFERENCES:
patent: 4382638 (1983-05-01), Andoh et al.
patent: 5312192 (1994-05-01), Shimuzu et al.

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