Title:
FOIL BEARING, TURBO MACHINE, AND FOIL HOLDER
Document Type and Number:
WIPO Patent Application WO/2015/141357
Kind Code:
A1
Abstract:
This foil bearing (10) comprises: a plurality of foils (12) having a bearing surface; and a foil holder (11) forming a cylindrical shape and having a plurality of grooves (11c) on the inner circumferential surface thereof. A circumferential direction end section (protruding section (12d)) of each foil (12) is inserted into the grooves (11c) in the foil holder (11). On the outer circumferential surface of this foil holder (11), a large diameter section (11a) and a small diameter section (11b) are alternately provided in the circumferential direction and the grooves (11c) are provided inside the circumferential direction area of the large diameter section (11a).
Inventors:
FUJIWARA HIROKI (JP)
Application Number:
PCT/JP2015/054321
Publication Date:
September 24, 2015
Filing Date:
February 17, 2015
Export Citation:
Assignee:
NTN TOYO BEARING CO LTD (JP)
FUJIWARA HIROKI (JP)
FUJIWARA HIROKI (JP)
International Classes:
F16C27/02; F01D25/16; F02B39/00
Domestic Patent References:
| WO2013015098A1 | 2013-01-31 |
Foreign References:
| JPS52143359A | 1977-11-29 | |||
| JP2001227535A | 2001-08-24 | |||
| JP2004011839A | 2004-01-15 | |||
| US3893733A | 1975-07-08 |
Attorney, Agent or Firm:
SHIROMURA Kunihiko et al. (JP)
Kunihiko Shiromura (JP)
Kunihiko Shiromura (JP)
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