Breathing mask
US8336547B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 20, 2012 |
| Grant date | Dec 25, 2012 |
| Priority date | — |
| Expiry date | Jan 20, 2032 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA62B9/027
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A breathing mask is disclosed, as well as a valve and a diverter that can be used within a breathing mask. The breathing mask can include a body, a respiratory interface, a balanced exhaust valve, and an inlet valve. The body can include an inlet and an exhaust. The respiratory interface can be configured to provide fluid communication between each of the inlet and the exhaust, and a user's respiratory system. The balanced exhaust valve can be configured to selectively flow fluid between the exhaust and the respiratory interface. The inlet valve can be configured to selectively flow fluid between the inlet and the respiratory interface. The valve can be a balanced exhaust valve with a fixed balance chamber. The diverter can include a tubular diverter body, a breathing port, an exhaust port, a demand port, and a diverter wall.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.