Patent ID: 6050262
Filing Date: 2000-04-18
Classification: A62B

Abstract:
An overpressure ventilation device for a gas mask air filter integrated into a case closed by a lid, said device formed of a caseless centrifugal ventilator comprising a motor having a shaft, a ventilator fan wheel, and a connection means for said case closed by a lid, said ventilator being connected upstream of the filter, said device further comprising 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 said ventilator, said lid being provided with a well in which to receive said support, said well comprising a first lateral wall cooperating with said connection means, a second lateral wall prolonging said first wall and a bottom wall provided with outlet apertures to let the air through.