Density compensated gas flow meter
US5564306A · kind A · utility
51Cited by
13References
28Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 25, 1994 |
| Grant date | Oct 15, 1996 |
| Priority date | — |
| Expiry date | May 25, 2014 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01F1/88
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A mass flow meter for a gas dispenser includes apparatus and method for determining specific heat ratio of the gas as a function of two pressure measurements in relation to a nozzle and for determining mass flow rate as a function of the specific heat ratio, the two pressure measurements in relation to the nozzle, and a density measurement of the gas.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.