Perfume diffusing device for audio system in passenger compartment of motor vehicle, has closing component for releasing opening when pressure of air is negative in vent, and for closing opening when pressure of air is positive or null

摘要

The device (1) has a loudspeaker (10) associated to a vent (20) in a sealed volume (30) for forming a bass-reflex type acoustic enclosure (40). A perfume storing component (50) has an opening (51) emerging at an interior of the vent. A closing component (60) releases the opening when pressure of air is negative in the vent. The closing component closes the opening when the pressure of the air is positive or null.