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Title:
BEARING STRUCTURE AND SUPERCHARGER
Document Type and Number:
WIPO Patent Application WO/2017/069025
Kind Code:
A1
Abstract:
A bearing structure (S) is provided with: a bearing hole (2b) formed in a bearing housing (2)(housing); the body section (7a) of a semi-floating bearing (7)(bearing) provided in the bearing hole (2b) and having a shaft (8) extended therethrough; damper surfaces (7h, 7i) provided on the outer peripheral surface of the body section (7a) and facing the inner peripheral surface (2e) of the bearing hole (2b); thrust surfaces (7f, 7g) provided at the ends of the body section (7a) in the axial direction of the shaft (8); and a thrust rear surface section (7k) which is provided on the body section (7a), has a greater outer diameter than the damper surfaces (7h, 7i), is separated from the damper surface (7h, 7i) by a distance greater than the distance between the damper surface (7h, 7i) and the inner peripheral surface (2e) of the bearing hole (2b), and is located on the reverse side of the thrust surface (7f, 7g).

Inventors:
UNEURA Yutaka (1-1 Toyosu 3-chome, Koto-k, Tokyo 10, 〒1358710, JP)
KANEDA Shinichi (1-1 Toyosu 3-chome, Koto-k, Tokyo 10, 〒1358710, JP)
NISHII Shunsuke (1-1 Toyosu 3-chome, Koto-k, Tokyo 10, 〒1358710, JP)
KOJIMA Hideyuki (1-1 Toyosu 3-chome, Koto-k, Tokyo 10, 〒1358710, JP)
SUGIURA Tomomi (1-1 Toyosu 3-chome, Koto-k, Tokyo 10, 〒1358710, JP)
BUNNO Kenji (1-1 Toyosu 3-chome, Koto-k, Tokyo 10, 〒1358710, JP)
Application Number:
JP2016/080243
Publication Date:
April 27, 2017
Filing Date:
October 12, 2016
Export Citation:
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Assignee:
IHI CORPORATION (1-1 Toyosu 3-chome, Koto-ku Tokyo, 10, 〒1358710, JP)
International Classes:
F16C27/06; F02B39/00; F16C17/18; F16C27/00; F16C37/00
Foreign References:
JP2010138757A2010-06-24
JPS58152527U1983-10-12
Attorney, Agent or Firm:
AOMI PATENT (1-8-8, Kanda-ogawamachi Chiyoda-k, Tokyo 52, 〒1010052, JP)
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