Ventilation device for a space zone

摘要

PCT No. PCT/EP94/00256 Sec. 371 Date Jul. 27, 1995 Sec. 102(e) Date Jul. 27, 1995 PCT Filed Jan. 29, 1994 PCT Pub. No. WO94/18506 PCT Pub. Date Aug. 18, 1994The invention relates to a ventilation device. Provision is made that the air propulsion plant (20) conveys at least a portion of the air in an air circulating mode by means of at least one variable volume chamber (6) in a pulsating manner at a very low frequency, with the chamber being connected to the room (2) by at least one air passage (21).