Method of controlling a powered air purifying respirator
US12070632B2 · kind B2 · utility
0Cited by
8References
11Claims
0Family size
Assignee
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Key dates
| Filing date | Jul 8, 2022 |
| Grant date | Aug 27, 2024 |
| Priority date | — |
| Expiry date | Jul 8, 2042 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA62B9/006
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A method of controlling a blower system of a powered air purifying respirator to deliver a substantially uniform volumetric airflow to a user, the system including a fan powered by a variable speed electric motor, the motor controlled by an electronic control unit for delivering a forced flow of air through at least one filter to a user. There is also provided an air purifying respirator blower system using such a method.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.