Centrifugal sedimentation-type particle size distribution measurement device
US11971339B2 · kind B2 · utility
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3References
15Claims
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Key dates
| Filing date | Oct 29, 2019 |
| Grant date | Apr 30, 2024 |
| Priority date | — |
| Expiry date | Jan 31, 2041 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N2015/045
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A particle size distribution measurement device includes a cell holding body 31 that holds a measurement cell 2 containing a measurement sample and a dispersion medium and a reference cell 6 containing a reference sample and is rotated by a motor 322, and a cell discrimination mechanism 7 that discriminates the cells 2, 6 passing through a predetermined rotation position by using a magnetic force or electrostatic capacitance.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.