Porous passage means and method for particle analyzing systems
US4434398A · kind A · utility
10Cited by
10References
14Claims
0Family size
Assignee
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Key dates
| Filing date | May 15, 1981 |
| Grant date | Feb 28, 1984 |
| Priority date | — |
| Expiry date | May 15, 2001 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N15/131
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A method of and means for controlling orientation of particles through a sensing zone in a particle analyzing system, which facilitates particle shape determination, comprises laminar flow orientation of the particles in a stream moving through an elongate straight passage coaxially aligned with an elongate sensing zone longer than the longest particle to be sensed and analyzed. The particles are carried through the sensing zone in an isokinetic laminar flow sheath of fluid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.