Title:
JOURNAL BEARING AND ROTATING MACHINE
Document Type and Number:
WIPO Patent Application WO/2021/090360
Kind Code:
A1
Abstract:
This journal bearing comprises a carrier ring disposed on the outer periphery of a rotating shaft, a pad disposed on the outer periphery of the rotating shaft and the inner periphery of the carrier ring, and an oil supply nozzle that supplies oil between the rotating shaft and the pad, the pad having an inner peripheral surface facing the rotating shaft and an upstream-end surface positioned on the upstream side of the inner peripheral surface in the rotational direction of the rotating shaft, the inner peripheral surface having a partially cylindrical surface and a recess that is disposed on the upstream side of the partially cylindrical surface and that forms an open space in which oil is stored, the open space having an oil inlet opening in the upstream-end surface and an oil outlet opening toward the rotating shaft, and the pad being provided with a reverse-flow-inhibiting part that inhibits oil in the open space from flowing in reverse into the oil inlet.
Inventors:
TAKARA NAOKATSU (JP)
UCHIDA YOSUKE (JP)
OKANO SAYA (JP)
UCHIDA YOSUKE (JP)
OKANO SAYA (JP)
Application Number:
PCT/JP2019/043253
Publication Date:
May 14, 2021
Filing Date:
November 05, 2019
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
F16C17/03; F16C23/04; F16C33/10
Domestic Patent References:
| WO2013046404A1 | 2013-04-04 |
Foreign References:
| US5702186A | 1997-12-30 | |||
| JP2018105467A | 2018-07-05 | |||
| JPS617616U | 1986-01-17 | |||
| JPS5830522A | 1983-02-23 |
Attorney, Agent or Firm:
SOGA, Michiharu et al. (JP)
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