BEARING STRUCTURE AND SUPERCHARGER

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 (JP)
KANEDA SHINICHI (JP)
NISHII SHUNSUKE (JP)
KOJIMA HIDEYUKI (JP)
SUGIURA TOMOMI (JP)
BUNNO KENJI (JP)

Application Number:

PCT/JP2016/080243

Publication Date:

April 27, 2017

Filing Date:

October 12, 2016

Export Citation:

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Assignee:

IHI CORP (JP)

International Classes:

F16C27/06; F02B39/00; F16C17/18; F16C27/00; F16C37/00

Foreign References:

JP2010138757A	2010-06-24
JPS58152527U	1983-10-12