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Title:
FOIL BEARING, FOIL BEARING UNIT, TURBO MACHINE, AND MANUFACTURING METHOD FOR FOIL BEARING
Document Type and Number:
WIPO Patent Application WO/2019/124393
Kind Code:
A1
Abstract:
Provided is a foil bearing 10 provided with a foil holder 11 and a foil 13 attached to the foil holder 11, the foil bearing 10 relatively rotatably bearing a shaft 6. A resin film 15 is formed on a bearing surface S bearing the shaft 6 of the foil 13. The resin film 15 is formed of a matrix resin and contains at least a fluorine resin and graphite. The resin film 15 includes 25 to 70 parts by weight of fluorine resin and 1 to 20 parts by weight of graphite relative to 100 parts by weight of matrix resin. The resin film 15 has a tensile shear strength of 25 MPa or more.

Inventors:
HARADA Kazuyoshi (3066 Aza Oyumida, Oaza Higashikata, Kuwana-sh, Mie 78, 〒5118678, JP)
KOMATSUBARA Shinji (3066 Aza Oyumida, Oaza Higashikata, Kuwana-sh, Mie 78, 〒5118678, JP)
OKUNO Takahiro (970 Oaza Ano, Toin-cho, Inabe-gu, Mie 43, 〒5110243, JP)
Application Number:
JP2018/046621
Publication Date:
June 27, 2019
Filing Date:
December 18, 2018
Export Citation:
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Assignee:
NTN CORPORATION (3-17, Kyomachibori 1-chome Nishi-ku, Osaka-sh, Osaka 03, 〒5500003, JP)
International Classes:
F16C27/02; F01D25/16; F02B39/00; F16C33/20
Domestic Patent References:
WO2017022795A12017-02-09
WO2012043336A12012-04-05
WO2013183586A12013-12-12
WO2017047724A12017-03-23
Foreign References:
JPH11148512A1999-06-02
JP2003262222A2003-09-19
JP2015113927A2015-06-22
Attorney, Agent or Firm:
SHIROMURA Kunihiko et al. (Ehara Patent Office, 2-15 Bakurou-machi 4-chome, Chuo-ku, Osaka-sh, Osaka 59, 〒5410059, JP)
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