ABRASION-RESISTANT BEARING OF MOTOR TYPE FUEL PUMP

Title:

ABRASION-RESISTANT BEARING OF MOTOR TYPE FUEL PUMP

Document Type and Number:

WIPO Patent Application WO/2004/094849

Kind Code:

A1

Abstract:

An abrasion-resistant bearing of a motor type fuel pump, which comprises a sintered product from a green compact having a composition in mass %: graphite: 1 to 5 %, a Cu-P alloy containing 5 to 10 % of P: 2 to 9 %, and a Cu-Ni alloy containing 21 to 26 % of Ni: the balance, and has a structure wherein a base of Cu-Ni alloy grains contains pores dispersed therein at a porosity of 8 to 18 %, and the above P component and free graphite are respectively distributed in mutual grain boundaries of the above Cu-Ni alloy grains and in the inside of the above pores.

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Inventors:

MARUYAMA TSUNEO (JP)
SHIMIZU TERUO (JP)

Application Number:

PCT/JP2004/005344

Publication Date:

November 04, 2004

Filing Date:

April 14, 2004

Export Citation:

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Assignee:

MITSUBISHI MATERIALS CORP (JP)
MARUYAMA TSUNEO (JP)
SHIMIZU TERUO (JP)

International Classes:

F02M37/08; B22F1/12; C22C1/05; C22C1/08; C22C9/06; C22C32/00; F02M37/00; F04B53/00; F16C33/12; F16C33/14; F02M37/04; (IPC1-7): F16C33/12; F02M37/08; B22F5/00; C22C1/04; C22C9/06

Foreign References:

JP2002180162A	2002-06-26
JP2000309807A	2000-11-07

Other References: