Title:
TILTING PAD BEARING DEVICE AND ROTATING MACHINE
Document Type and Number:
WIPO Patent Application WO/2019/142383
Kind Code:
A1
Abstract:
A tilting pad bearing device of the present invention comprises a plurality of tilting pads (2) which are respectively pivotally mounted to a bearing housing (4) via pivots and which support a rotating shaft. In the tilting pad bearing device, the tilting pads have cooling flow passageways communicating with each other circumferentially, wherein the cooling flow passageways have entries of which the axial position does not overlap the axial position of an oil supply hole (7) for supplying oil between the tilting pads. For example, as the cooling flow passageways, cooling grooves (12) circumferentially communicating with each other are provided in axial side surfaces of the tilting pads 2.
Inventors:
SATO MOTOKI (JP)
HEMMI MAKOTO (JP)
TAKAHASHI NAOHIKO (JP)
HEMMI MAKOTO (JP)
TAKAHASHI NAOHIKO (JP)
Application Number:
PCT/JP2018/030984
Publication Date:
July 25, 2019
Filing Date:
August 22, 2018
Export Citation:
Assignee:
HITACHI LTD (JP)
International Classes:
F16C17/03; F04D29/056; F16C33/10; F16C37/00
Foreign References:
| JP2016011698A | 2016-01-21 | |||
| JP2017137918A | 2017-08-10 | |||
| JPS5863423U | 1983-04-28 | |||
| JPS4612681B1 | ||||
| JPS5571821U | 1980-05-17 |
Attorney, Agent or Firm:
POLAIRE I.P.C. (JP)
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