Bearing device for vertical rotating machine

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

F - Mech Eng,Light,Heat,Weapons

16

C

F16C 33/66 (2006.01) F01D 25/18 (2006.01) F16C 33/76 (2006.01) F16N 7/36 (2006.01)

Patent

CA 2195833

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.

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