Method of controlling a powered air purifying respirator
US11413479B2 · kind B2 · utility
2Cited by
5References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 5, 2017 |
| Grant date | Aug 16, 2022 |
| Priority date | — |
| Expiry date | Dec 6, 2039 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA62B9/006
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
Methods and systems for controlling a powered air purifying respirator blower system where volumetric airflow is stepped down into predetermined discrete ranges based on system loading and desired runtime.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.