In-tank fuel pump for highly viscous fuels
US5549446A · kind A · utility
16Cited by
14References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 30, 1995 |
| Grant date | Aug 27, 1996 |
| Priority date | — |
| Expiry date | Aug 30, 2015 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF04D29/188
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A fuel pump for supplying diesel fuel to an engine includes a pump housing, a motor mounted within the housing, a shaft extending from the motor, an impeller slidably attached to the shaft which has a prime number of vanes spaced unevenly about its circumference, a chamber body, and a chamber cover with a bleed orifice. The chamber body and cover form a chamber for the impeller and are held together by the housing. The chamber body and cover have pump channels of constant depth and are made of phenolic with fiberglass fill. The impeller is made of phenolic with fiberglass fill and granular fill.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.