selbstregelnder, rückstromsperrender air inlet equipped with an acoustic part, installation equipped with such air intake

摘要

The invention relates to a non-return self-regulating air inlet intended to be mounted in an opening (3) in a vertical wall (4) of a building (5) for the purpose of ventilating a room (6) into which this inlet emerges. According to the invention, the air baffle (deflector) (11) defines a longitudinal space (15) housing a cylinder (2) of longitudinal axis, this cylinder being free to move in the space (15) in all directions perpendicular to the longitudinal axis. IMAGE