Method and apparatus for measuring fine particulate matters
US10695706B2 · kind B2 · utility
8Cited by
4References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 6, 2018 |
| Grant date | Jun 30, 2020 |
| Priority date | — |
| Expiry date | Mar 2, 2039 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N2015/0046
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
An apparatus for measuring fine particulate matter to determine a time to replace each of a filter and an air quality sensor based on a concentration of a filtered fine particulate matter and a method thereof are provided. The apparatus for measuring fine particulate matter is applied to an air cleaner, a personal environment monitoring system (PEMS), a fine particulate matter module, or the like by sensing a target material, such as harmful gas, as well as particulate matter and fine particulate matter in the air and providing result information.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.