Patent ID: 8834032
Filing Date: 2014-09-16
Classification: F16C

Abstract:
1. A tilting pad journal bearing comprising: a plurality of pads disposed on an outer circumferential side of a rotating shaft and subjected to radial load on the rotating shaft; a plurality of pivots each supporting a corresponding one of the plurality of pads in such a manner that the pads are tiltable; and a casing housing the plurality of pads and the plurality of pivots; the plurality of pads each having an oil passage formed in the inside thereof, the oil passage extending from one side to the other side in a circumferential direction; wherein the journal bearing includes a plurality of guides each disposed between corresponding ones of the plurality of pads, and the plurality of guides each have a first guide passage formed in the inside thereof and have a second guide passage formed in the inside thereof or between an inner circumferential surface of the guide and an outer circumferential surface of the rotating shaft, the first guide passage being adapted to introduce lubricating oil therein from an oil-supply hole of the casing and exhaust the lubricating oil to the oil passage of the pad that is adjacent to the guide and on the other side in the circumferential direction, the second guide passage being adapted to introduce lubricating oil therein from the oil passage of the pad that is adjacent to the guide and on one side in the circumferential direction and exhaust the lubricating oil to between an inner circumferential surface of the pad on the other side in the circumferential direction and the outer circumferential surface of the rotating shaft.