Fluid flow measurement and control
US11285262B2 · kind B2 · utility
9Cited by
7References
28Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 7, 2019 |
| Grant date | Mar 29, 2022 |
| Priority date | — |
| Expiry date | Dec 9, 2039 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2205/3389
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A controller in a fluid delivery system controls magnitudes of pressure in a first volume and a second volume. The first volume is of a known magnitude. The second volume is of an unknown magnitude and varies. The controller estimates a temperature of gas in the first volume and a temperature of gas in the second volume based on measurements of pressure in the first volume and measurements of pressure in the second volume. The controller then calculates a magnitude of the second volume based on measured pressures of the gases and estimated temperatures of gases in the first volume and the second volume.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.