Title:
BEARING STRUCTURE AND SUPERCHARGER
Document Type and Number:
WIPO Patent Application WO/2017/014084
Kind Code:
A1
Abstract:
A bearing structure is provided with: a bearing housing 2 having formed therein a bearing hole 2a in which openings (a T-side opening 7a and a C-side opening) of an oil supply passage 7 are opened; and a semi-floating bearing S which is accommodated in the bearing hole and in which one or more oil-guiding holes (a T-side oil-guiding hole 25a and a C-side oil-guiding hole 25b) running from an outer peripheral surface of an annular body section 21 through to an inner peripheral surface are formed in the body section which has bearing surfaces (a T-side bearing surface 21a and a C-side bearing surface 21b) provided in the inner peripheral surface, and in which at least one oil-guiding hole partially or fully faces the openings of the oil supply passage and serves as a special hole that is longer in an axial direction than in a rotational direction of a shaft 8.
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Inventors:
UEDA AKIHIRO (JP)
Application Number:
PCT/JP2016/070401
Publication Date:
January 26, 2017
Filing Date:
July 11, 2016
Export Citation:
Assignee:
IHI CORP (JP)
International Classes:
F02B39/00
Foreign References:
| JP2014238009A | 2014-12-18 | |||
| JP2008215453A | 2008-09-18 | |||
| JP2014051939A | 2014-03-20 |
Attorney, Agent or Firm:
AOMI PATENT (JP)
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