Natural gas vehicle fuel gauge system
US5379637A · kind A · utility
20Cited by
9References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 12, 1993 |
| Grant date | Jan 10, 1995 |
| Priority date | — |
| Expiry date | Oct 12, 2013 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01F25/20
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A method of measuring and indicating a level of natural gas fuel in a storage tank of a motor vehicle, comprising the steps of determining a temperature of the natural gas, determining a pressure of the natural gas, retrieving from a look-up table, responsive to the determined temperature and pressure, a signal representative of a percentage that the tank is full of the natural gas, determining a gauge command responsive to the signal, and driving the gauge according to the determined command.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.