Respiratory device with unidirectional valve for attaching active venting system
US10525292B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 26, 2014 |
| Grant date | Jan 7, 2020 |
| Priority date | — |
| Expiry date | Oct 19, 2035 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA62B18/10
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
Discloses a respiratory device comprising a mask positioned around the mouth and nose of a wearer to form a relative closed area sealed from the ambient air, at least one unidirectional valve for mounting of an active venting system, installed onto the mask for exhausting warm, moist exhaled air from the interior space of the respirators and at least one active venting system attached onto the valve and operated during the exhalation cycle. The top housing of the unidirectional valve has an attachment member for attaching the active venting system onto it. The active venting system can be attachable or detachable onto the valve. The valve attached with active venting system together effectively and quickly exchanges the air from the interior of the mask during exhalation cycle. When the AVS is not attached onto the valve, a simple valve cap can be attached on instead, for aesthetic purposes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.