Vortex flowmeter
US11060892B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 24, 2018 |
| Grant date | Jul 13, 2021 |
| Priority date | — |
| Expiry date | Aug 24, 2038 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01F1/3266
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
In this vortex flowmeter provided with a vortex generator and a flow rate measuring unit the flow rate measurement unit includes a piezoelectric element and a piezoelectric element case. The piezoelectric element case includes: a fitted part fitted in the body case; a pressure receiving part protruding out from a distal end face of the fitted part and placed in a body passage; a hollow portion formed along the axial direction of the piezoelectric element case in the fitted part to separate the fitted part and the pressure receiving part; and a slit formed inside of the pressure receiving part and configured to accommodate the piezoelectric element.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.