Thin profile air purifying blower unit and filter cartridges, and method of use
US7469699B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Sep 3, 2004 |
| Grant date | Dec 30, 2008 |
| Priority date | — |
| Expiry date | Sep 29, 2024 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA62B18/006
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A thin profile PAPR filter blower system and method of use that operates in conjunction with a thin profile filter cartridge. The design allows an unaided user to swap filter cartridges without compromising the safety of the user, even when the user is located in a contaminated environment. Other components of the system include a blower control mechanism, a short conduit for delivering filtered air to a worn face mask, a self-contained power supply, optional attachment features to secure the system to a wearer's body, features for sealably connecting and replacing filter cartridges, and a quick change locking mechanism to secure and release filter cartridges. An optional remotely located control device is also provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.