Title:
THRUST FOIL BEARING, FOIL BEARING UNIT, TURBO MACHINE, AND FOIL
Document Type and Number:
WIPO Patent Application WO/2020/195488
Kind Code:
A1
Abstract:
Each foil 22 has: a top foil section 22a that has a bearing surface S; and a back foil section 22b that is provided to the upstream side of the top foil section 22a and is disposed so as to overlap the top foil section 22a of an adjacent foil 22 from behind (opposite to the bearing surface S). An angle E defined by the inner-diameter edge of an overlapping area P of two adjacent foils 22 is smaller than an angle D defined by the outer-diameter edge of the overlapping area P.
Inventors:
HARADA KAZUYOSHI (JP)
YOSHINO MASATO (JP)
OKAMOTO MIKI (JP)
YOSHINO MASATO (JP)
OKAMOTO MIKI (JP)
Application Number:
PCT/JP2020/007769
Publication Date:
October 01, 2020
Filing Date:
February 26, 2020
Export Citation:
Assignee:
NTN TOYO BEARING CO LTD (JP)
International Classes:
F16C27/02; F04D29/057
Domestic Patent References:
| WO2017169842A1 | 2017-10-05 |
Foreign References:
| JP2017180684A | 2017-10-05 | |||
| JP2016080119A | 2016-05-16 | |||
| JP2013061024A | 2013-04-04 | |||
| JPH11148512A | 1999-06-02 |
Attorney, Agent or Firm:
SHIROMURA Kunihiko et al. (JP)
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