SINTERED BEARING FOR MOTOR-TYPE FUEL PUMP AND PRODUCTION METHOD THEREFOR

Title:

SINTERED BEARING FOR MOTOR-TYPE FUEL PUMP AND PRODUCTION METHOD THEREFOR

Document Type and Number:

WIPO Patent Application WO/2019/004384

Kind Code:

A1

Abstract:

The present invention provides a bearing for a motor-type fuel injection pump, the bearing being formed of a Cu-Ni-based sintered alloy that is inexpensive and exhibits excellent corrosion resistance and abrasion resistance. The present invention comprises, in mass%, 10-20% of Ni, 2-4.5% of Sn, 0.05-0.4% of P, and 2-7% of C, with the remaining portion being Cu and unavoidable impurities, has a metal structure in which Sn is uniformly dispersed and distributed in the metal matrix, has a porosity of 7-17%, and has free graphite dispersed and distributed with pores.

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Inventors:

MARUYAMA TSUNEO (JP)
ISHII YOSHINARI (JP)

Application Number:

PCT/JP2018/024684

Publication Date:

January 03, 2019

Filing Date:

June 28, 2018

Export Citation:

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Assignee:

DIAMET CORP (JP)

International Classes:

C22C9/06; B22F5/00; C22C1/04; F16C33/12

Domestic Patent References:

WO2012063785A1

2012-05-18

Foreign References:

JP2016053200A	2016-04-14
JP2008007796A	2008-01-17
JP2017009033A	2017-01-12

Attorney, Agent or Firm:

USHIKI, Mamoru (JP)

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