Bearing of motor driven fuel pump

• Main Authors: NARISAKO HIDEKI, SHIMIZU TERUO, HAZAMA TADASHI, MARUYAMA TSUNEO
• Format: Patent
• Language: Chinese; English
• Published: 02.01.2008
• Subjects: ALLOYS; BEARINGS; BLASTING; CASTING; CHEMISTRY; ELEMENTS OR CRANKSHAFT MECHANISMS; ENGINEERING ELEMENTS AND UNITS; FERROUS OR NON-FERROUS ALLOYS; FLEXIBLE SHAFTS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; HEATING; LIGHTING; MAKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MECHANICAL ENGINEERING; METALLURGY; PERFORMING OPERATIONS; POWDER METALLURGY; ROTARY BODIES OTHER THAN GEARING ELEMENTS; SHAFTS; THERMAL INSULATION IN GENERAL; TRANSPORTING; TREATMENT OF ALLOYS OR NON-FERROUS METALS; WEAPONS; WORKING METALLIC POWDER

A bearing of a motor driven fuel pump which comprises a Cu-Ni based sintered alloy having a chemical composition that Ni: 21 to 35 %, Sn: 5 to 12 %, C: 3 to 7 %, P: 0.1 to 0.8 % and the balance: Cu and inevitable impurities, wherein pores are formed in the matrix thereof with a porosity of 8 to 18 %...