Fuel filter
US6493508B1 · kind B1 · utility
16Cited by
4References
11Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 17, 2000 |
| Grant date | Dec 10, 2002 |
| Priority date | — |
| Expiry date | Nov 17, 2020 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/12
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A fuel filter 10 for filtering diesel fuel, in which a heater 14 is provided which at temperatures below 0° C. warms the diesel fuel in order to liquefy the diesel fuel so that a filter element 13 will not clog. The heater 14 includes a heat transfer body 29 onto which a supporting layer 35 is applied, which is thermally stable and electrically insulating. On this supporting layer 35 a heating element is provided which heats the thermal transfer body 29. A protective layer 37 is disposed over the heating element 34 in order to protect it.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.