Piezo actuated fluid dispenser fluid characterization
US9217700B2 · kind B2 · utility
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12Claims
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Key dates
| Filing date | Feb 7, 2013 |
| Grant date | Dec 22, 2015 |
| Priority date | — |
| Expiry date | Mar 13, 2034 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N2291/02818
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A technique, including a system and a method, for measuring a fluid property using a piezo-actuated fluid dispenser, is disclosed. The technique includes generating a pressure wave in a channel in the piezo-actuated fluid dispenser using a piezo element, detecting, using the piezo element, a residual pressure oscillation in the channel caused by the generating, obtaining a resonance frequency of the pressure oscillation, and determining, using the resonance frequency, the fluid property.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.