Bearing system for vertical type rotary machine

Details Bearing system for vertical type rotary machine Bearing system for vertical type rotary machine

F - Mech Eng,Light,Heat,Weapons

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F16C 17/04 (2006.01) F16C 17/06 (2006.01)

Patent

CA 1164517

ABSTRACT OF THE DISCLOSURE A bearing system for a vertical type rotary machine including a vertically extending rotor shaft including a guide bearing immersed in oil in an oil tank disposed around the rotor shaft. The guide bearing has a cylindrical bearing surface juxtaposed against the peripheral surface of the rotor shaft and a plurality of axially extending oil grooves formed in the cylindri- cal bearing surface. An oil guide member is mounted on a lower end surface of the guide bearing adjacent to the open lower axial end of each oil groove. Each oil guide member has a guide surface facing a flow of oil in the oil tank induced by the rotation of the rotor shaft for guiding the oil flow into the associated oil groove. The guide surface has a lower edge thereof remote from the lower end surface of the guide bearing, which is advanced toward the direction of oil flow with respect to an upper edge of the guide surface adjacent to the lower end surface of the guide bearing. The guide sur- face extends radially outwardly beyond the bottom surface of the associated oil groove.

386597

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