Patent ID: 9512873
Filing Date: 2016-12-06
CPC Classification: C23C,F03B,F05B,F16C,Y02E,Y02T

Claim Text:
1. A bearing device for a hydraulic machine having a rotary shaft of a vertical shaft, the bearing device comprising: a water tank configured to store lubrication water; a bearing pad configured to support a skirt member provided on the rotary shaft in the lubrication water from a radial direction; a first supporting mechanism configured to slidably support the bearing pad from the radial direction in the lubrication water; and a second supporting mechanism configured to slidably support the bearing pad from a bottom portion side in an axial direction in the lubrication water, wherein one of a supporting surface supporting the bearing pad in the first supporting mechanism and a supported surface supported by the supporting surface in the bearing pad is formed in a convex shape, wherein one of a supporting surface supporting the bearing pad in the second supporting mechanism and a supported surface supported by the supporting surface in the bearing pad is formed in a convex shape, wherein the skirt member comprises a water drip ring at a position higher than an upper end of the bearing pad.