Filling level sensor for a fuel tank of a motor vehicle
US7222529B2 · kind B2 · utility
2Cited by
12References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 3, 2004 |
| Grant date | May 29, 2007 |
| Priority date | — |
| Expiry date | May 29, 2024 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01C10/305
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The invention relates to a filling level sensor for a fuel tank with a float which is fastened to a lever arm and at least one contact which is arranged on the lever arm and is in connection with a slider track formed as a thick-film resistor. The thick-film resistor consists of at least two precious metals, one precious metal being silver and present in a smaller proportion than the other precious metal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.