Air monitoring cassette
US5205155A · kind A · utility
10Cited by
9References
25Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 28, 1991 |
| Grant date | Apr 27, 1993 |
| Priority date | — |
| Expiry date | Mar 28, 2011 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N1/24
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An air monitoring cassette for monitoring airborne particulate wherein the cassette includes a housing defining an airway therethrough. The housing includes an outlet end for connection to a pump. The housing further includes an inlet end opposite the outlet end and a filter to collect particulate thereon intermediate said outlet end and inlet end. The inlet end includes an outwardly flared inside surface so that particulate laden air can be drawn through the cassette and non-uniform deposition of particulate on the filter reduced.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.