Vortex flowmeter
US5193399A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jul 1, 1991 |
| Grant date | Mar 16, 1993 |
| Priority date | — |
| Expiry date | Jul 1, 2011 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01F5/00
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A vortex flowmeter wherein a main body and a fitting plate with a by-pass are integrally formed with each other and the fitting plate placed an an outlet of a passage of small diameter and of a constant section extending from an inlet of a large diameter with a continuous contraction. The passage in the main body includes a vortex generator and a vortex sensing means for detecting a vortex produced by the vortex's generator. The by-pass line is composed of a plurality of round through-holes arranged in a circular portion of the fitting plate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.