Overpressure ventilation device for a gas mask
US6050262A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Jul 8, 1998 |
| Grant date | Apr 18, 2000 |
| Priority date | — |
| Expiry date | Jul 8, 2018 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA62B18/006
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
An overpressure ventilation device for a gas mask air filter integrated into a case closed by a lid, formed of a caseless centrifugal ventilator connected before the filter, wherein it comprises a support integral with the filter lid enabling the motor and ventilator fan wheel to be centered on the longitudinal axis of the filter, such as to obtain the axial operation of the ventilator. The lid is provided with a well in which to receive the support, which comprises a first lateral wall cooperating with the connection means, a second lateral wall prolonging the first one and a bottom wall provided with apertures to let the air through.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.