Flow characteristic measuring apparatus and method
US6854341B2 · kind B2 · utility
20Cited by
5References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 12, 2002 |
| Grant date | Feb 15, 2005 |
| Priority date | — |
| Expiry date | Jan 28, 2023 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01F1/34
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A differential pressure flow rate measurement apparatus comprises: The flow passage, when viewed in the axial direction of the flow passage, projects an unobstructed transverse cross-sectional area which is at least 25% of the transverse cross-sectional area of said bore.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.