Bearing made of graphite-dispersed copper-based sintered alloy and motorized fuel pump using this bearing
US6524365B1 · kind B1 · utility
4Cited by
3References
2Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Jan 31, 2002 |
| Grant date | Feb 25, 2003 |
| Priority date | — |
| Expiry date | Jan 31, 2022 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16C2204/14
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A bearing for motorized fuel pumps comprising a graphite-dispersed copper-based sintered alloy which contains 10 to 25% by weight of Zn, 10 to 25% by weight of Ni, 0.1 to 0.9% by weight of P, and 1 to 8% by weight of C, the balance being Cu and unavoidable impurities, and which has a porosity of 5 to 25%, exhibits superior wear resistance to a high-pressure high-speed flow of a fuel.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.