Liquid level sensor that adapts to pressure changes
US10197432B2 · kind B2 · utility
4Cited by
3References
2Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 12, 2016 |
| Grant date | Feb 5, 2019 |
| Priority date | — |
| Expiry date | Nov 16, 2036 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01F15/14
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
Provided is a liquid level sensor for a fuel tank including: a case having a filled liquid filled therein and closed; a resistor substrate provided in the case and a wiper contacting the resistor substrate; and a damper provided in the case and absorbing a pressure change of an inner portion of the case. The liquid level sensor for a fuel tank is configured to absorb a pressure change of the inner portion of the case, thereby making it possible to prevent leakage of the filled liquid that may occur due to the pressure change of the inner portion of the case.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.