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Title:
OIL-IMPREGNATED SINTERED BEARING AND METHOD FOR MANUFACTURING SAME
Document Type and Number:
WIPO Patent Application WO/2017/145648
Kind Code:
A1
Abstract:
An oil-impregnated sintered bearing 8 has a sintered body of a copper-iron alloy containing 40 mass% or more of copper, and has inner pores impregnated with oil. The sintered body contains: copper derived from copper powder 13 contained in partial diffusion alloy powder 11 in which copper powder 13 having a particle size of 20 μm or less is diffusion-bonded beforehand to the surface of iron powder 12; and copper derived from elemental copper powder 14.

Inventors:
KOMATSUBARA Shinji (3066 Aza Oyumida, Oaza Higashikata, Kuwana-sh, Mie 78, 〒5118678, JP)
ITO Yoshinori (101 Aza Katsutaba, Oaza Kanieshinden, Kanie-cho, Ama-gu, Aichi 41, 〒4978541, JP)
UCHIYAMA Tadahiro (101 Aza Katsutaba, Oaza Kanieshinden, Kanie-cho, Ama-gu, Aichi 41, 〒4978541, JP)
Application Number:
JP2017/003072
Publication Date:
August 31, 2017
Filing Date:
January 27, 2017
Export Citation:
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Assignee:
NTN CORPORATION (3-17, Kyomachibori 1-chome Nishi-ku, Osaka-sh, Osaka 03, 〒5500003, JP)
International Classes:
F16C33/12; B22F1/00; B22F5/00; C22C9/00; C22C38/00; F16C17/10; F16C33/10; F16C33/14
Foreign References:
JP2001279349A2001-10-10
JP2015137660A2015-07-30
JP2013204072A2013-10-07
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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