Title:
SUPERCHARGER
Document Type and Number:
WIPO Patent Application WO/2022/224491
Kind Code:
A1
Abstract:
A supercharger comprising: a shaft; a rolling bearing having an inner ring mounted on the shaft and an outer ring disposed around the inner ring; and a restriction member 40 including an end surface 41 facing a side surface 62a of the outer ring. When viewed from the center axis direction of the shaft, the end surface 41 includes an oil guide groove 45 extending inward from the outer side of the side surface 62a of the outer ring, and the entire oil guide groove 45 is positioned within a range Ar1 larger than 0 degrees and smaller than 90 degrees in a rotation direction R of the shaft with respect to a vertical axis Z extending upward from the center axis of the shaft.
Inventors:
TANAKA TAKAHIRO (JP)
UEDA AKIHIRO (JP)
KOJIMA HIDEYUKI (JP)
UEDA AKIHIRO (JP)
KOJIMA HIDEYUKI (JP)
Application Number:
PCT/JP2021/046602
Publication Date:
October 27, 2022
Filing Date:
December 16, 2021
Export Citation:
Assignee:
IHI CORP (JP)
International Classes:
F02B39/14; F01D25/16; F02B39/00; F16C19/16
Domestic Patent References:
| WO2020021908A1 | 2020-01-30 |
Foreign References:
| JPH0571537A | 1993-03-23 | |||
| JPS6043137U | 1985-03-27 | |||
| US20170328273A1 | 2017-11-16 |
Attorney, Agent or Firm:
AOMI PATENT (JP)
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