Title:
BEARING STRUCTURE AND TURBOCHARGER
Document Type and Number:
WIPO Patent Application WO/2020/021908
Kind Code:
A1
Abstract:
This bearing structure S is provided with: a shaft 7 on which a turbine impeller is provided; a pair of rolling bearings which are housed in bearing holes 22 and which have an inner race provided in the shaft 7 and an outer race having a damper part 55 formed in the outer periphery thereof; an opposing surface which, from the turbine impeller side, faces the lateral surface of the outer race 52 of the rolling bearing provided on the turbine impeller side; and a first oil supply groove 31a which is formed in the opposing surface and which is opposite of at least the damper part 55 and the lateral surface of the outer race.
Inventors:
UNEURA YUTAKA (JP)
TANAKA TAKAHIRO (JP)
MOCHIZUKI HIROKI (JP)
NISHII SHUNSUKE (JP)
KOJIMA HIDEYUKI (JP)
TANAKA TAKAHIRO (JP)
MOCHIZUKI HIROKI (JP)
NISHII SHUNSUKE (JP)
KOJIMA HIDEYUKI (JP)
Application Number:
PCT/JP2019/023893
Publication Date:
January 30, 2020
Filing Date:
June 17, 2019
Export Citation:
Assignee:
IHI CORP (JP)
International Classes:
F02B39/00; F16C17/10; F16C37/00
Domestic Patent References:
| WO2015060304A1 | 2015-04-30 | |||
| WO2017006865A1 | 2017-01-12 | |||
| WO2017082166A1 | 2017-05-18 |
Foreign References:
| JP2017015148A | 2017-01-19 |
Attorney, Agent or Firm:
AOMI PATENT (JP)
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