Automotive fuel pump with regenerative turbine and long curved vapor channel
US5284417A · kind A · utility
11Cited by
8References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 7, 1993 |
| Grant date | Feb 8, 1994 |
| Priority date | — |
| Expiry date | Jun 7, 2013 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF05B2250/71
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A pump for supplying gasoline to the fuel injectors of an automotive engine includes a pump case, and upper and lower pump housings mounted within the case and forming an annular pumping channel. The pumping channel includes a vapor channel extending along an axially enlarged section of the bottom portion of the pumping channel from the pump's inlet to a purge orifice which extends axially through the lower pump housing from a radially inward portion of the pumping channel.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.