FOIL BEARING UNIT - NTN TOYO BEARING CO LTD

Title:

FOIL BEARING UNIT

Document Type and Number:

WIPO Patent Application WO/2015/033835

Kind Code:

A1

Abstract:

This foil bearing unit (100) is provided with: a first foil holder (31) composed of a single part; a radial bearing foil (40) mounted to the inner peripheral surface (31c) of the first foil holder (31); a thrust bearing foil (50) mounted to an end surface (31d) of the first foil holder (31); and an inner member (20) having a shaft section (sleeve section (21)) inserted into the inner periphery of the first foil holder (31) and also having a flange section (22) which protrudes to the outer diameter side from the sleeve section (21). Fluid pressure occurring in the bearing gap between the bearing surface of the radial bearing foil (40) and the outer peripheral surface of the sleeve section (21) radially supports the inner member (20), and fluid pressure occurring in the bearing gap between the bearing surface of the thrust bearing foil (50) and one end surface of the flange section (22) supports the inner member (20) in the thrust direction.

Inventors:

YOSHINO MASATO (JP)
KAWAMURA MITSUO (JP)
FUJIWARA HIROKI (JP)

Application Number:

PCT/JP2014/072431

Publication Date:

March 12, 2015

Filing Date:

August 27, 2014

Export Citation:

Click for automatic bibliography generation Help

Assignee:

NTN TOYO BEARING CO LTD (JP)
YOSHINO MASATO (JP)
KAWAMURA MITSUO (JP)
FUJIWARA HIROKI (JP)

International Classes:

F16C27/02; F01D25/16; F02B39/00; F02C7/06; F16C17/03; F16C17/06; F16C17/10

Foreign References:

JPH10288187A	1998-10-27
JP2006329321A	2006-12-07
JP2003278751A	2003-10-02
JP2011214523A	2011-10-27
JP2013061024A	2013-04-04
JPH03110102U	1991-11-12
JP2008519662A	2008-06-12
JPH09510522A	1997-10-21
JPH10511446A	1998-11-04

Other References: