Regenerative fuel pump
US7559315B1 · kind B1 · utility
4Cited by
9References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 11, 2008 |
| Grant date | Jul 14, 2009 |
| Priority date | — |
| Expiry date | Feb 11, 2028 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF02M37/54
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A rotodynamic fuel pump in a fuel delivery system for an internal combustion engine including a pump housing, a pump inlet channel extending through the housing allowing fuel to be drawn into the pump, a purge orifice extending through the housing and spaced away from the pump inlet channel, the purge orifice allowing fuel vapor to exit the pump, the purge orifice including a purge inlet, a purge outlet, and a purge channel, where the purge inlet is axially offset from the purge outlet.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.