Fuel pump assembly
US6270310A · kind A · utility
6Cited by
15References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 29, 1999 |
| Grant date | Aug 7, 2001 |
| Priority date | — |
| Expiry date | Sep 29, 2019 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF05D2260/35
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A fuel pump assembly 10 including a motor 12, a drive shaft 14 which is rotatably coupled to motor 12, an impeller 16, and a chamber assembly 18. Fuel pump assembly 10 has improved efficiency due to the substantial reduction and/or elimination of frictional contact between impeller 16 and the respective interior surfaces 70, 72 of chamber 18.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.