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Patent Searching and Data


Title:
SINTERED BEARING, FLUID DYNAMIC BEARING DEVICE PROVIDED WITH SAME, AND SINTERED BEARING MANUFACTURING METHOD
Document Type and Number:
WIPO Patent Application WO/2015/151698
Kind Code:
A1
Abstract:
This sintered bearing (1) has a cylinder shaped inner layer (2) and outer layer (3) made from sintered metal, a radial dynamic pressure generating part (dynamic pressure groove (1a1, 1a2)) is molded on the inner circumferential face of the inner layer (2), and the compressive strength of the outer layer (3) is larger than the compressive strength of the inner layer (2).

Inventors:
ITO FUYUKI (JP)
Application Number:
JP2015/056320
Publication Date:
October 08, 2015
Filing Date:
March 04, 2015
Export Citation:
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Assignee:
NTN TOYO BEARING CO LTD (JP)
ITO FUYUKI (JP)
International Classes:
F16C33/12; B22F3/24; B22F7/00; B22F7/06; F16C17/02; F16C33/14
Foreign References:
JP2008039104A2008-02-21
JP2000224806A2000-08-11
JP2003156048A2003-05-30
Other References:
See also references of EP 3128192A4
Attorney, Agent or Firm:
SHIROMURA Kunihiko et al. (JP)
Kunihiko Shiromura (JP)
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