Vortex shedding flow meter with noise suppressing and signal enhancing means
US4703659A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Oct 18, 1985 |
| Grant date | Nov 3, 1987 |
| Priority date | — |
| Expiry date | Oct 18, 2005 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01F1/325
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
This invention discloses a vortex shedding flowmeter comprising a vortex generating member disposed across one cross section of the flow passage and a pair of vortex sensing wings respectively disposed across two cross section of the flow passage straddling the vortex generating member in a parallel relationship thereto, wherein one extremity of each wing is secured to a stocky container member housing a piezo-electric element by a flange of a thin diaphragm construction, which stocky container member is rigidly secured to the wall of the flow passage, while the other extremity of each wing is secured to the opposite side wall of the flow passage in a resilient manner.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.