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Title:
SINTERED BEARING FOR FUEL PUMP AND METHOD FOR MANUFACTURING SAME
Document Type and Number:
WIPO Patent Application WO/2015/029922
Kind Code:
A1
Abstract:
A sintered bearing (1, 2) for a fuel pump containing 8.5-10 wt.% of aluminum and 0.1-0.6 wt.% of phosphorus, the balance principally being copper and unavoidable impurities, wherein the sintered bearing (1, 2) is characterized in having a structure in which an aluminum-copper alloy is sintered and having pores on the surface layer which are smaller than pores in the interior.

Inventors:
ITO Yoshinori (101 Aza Katsutaba, Oaza Kanieshinden, Kanie-cho, Ama-gu, Aichi 41, 〒4978541, JP)
NAGATA Hiroharu (101 Aza Katsutaba, Oaza Kanieshinden, Kanie-cho, Ama-gu, Aichi 41, 〒4978541, JP)
OHASHI Yuta (101 Aza Katsutaba, Oaza Kanieshinden, Kanie-cho, Ama-gu, Aichi 41, 〒4978541, JP)
SETO Tomoyuki (3066 Aza Oyumida, Oaza Higashikata, Kuwana-sh, Mie 11, 〒5110811, JP)
Application Number:
JP2014/072098
Publication Date:
March 05, 2015
Filing Date:
August 25, 2014
Export Citation:
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Assignee:
NTN CORPORATION (3-17, Kyomachibori 1-chome Nishi-ku, Osaka-sh, Osaka 03, 〒5500003, JP)
ITO Yoshinori (101 Aza Katsutaba, Oaza Kanieshinden, Kanie-cho, Ama-gu, Aichi 41, 〒4978541, JP)
NAGATA Hiroharu (101 Aza Katsutaba, Oaza Kanieshinden, Kanie-cho, Ama-gu, Aichi 41, 〒4978541, JP)
OHASHI Yuta (101 Aza Katsutaba, Oaza Kanieshinden, Kanie-cho, Ama-gu, Aichi 41, 〒4978541, JP)
SETO Tomoyuki (3066 Aza Oyumida, Oaza Higashikata, Kuwana-sh, Mie 11, 〒5110811, JP)
International Classes:
B22F5/00; B22F1/00; C22C9/01; F04D5/00; F04D29/046; F16C33/12; F16C33/14
Foreign References:
JP2013023732A2013-02-04
JPH02173224A1990-07-04
JPS56152902A1981-11-26
JP2006258185A2006-09-28
JPS643322A1989-01-09
JP4521871B22010-08-11
JP2009007650A2009-01-15
Other References:
See also references of EP 3040141A4
Attorney, Agent or Firm:
SHIROMURA Kunihiko et al. (Ehara Patent Office, 15-26 Edobori 1-chome, Nishi-ku, Osaka-sh, Osaka 02, 〒5500002, JP)
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