Patent ID: 10260764

Abstract:
The invention relates to a device (1) for generating an air wall across a passage opening (100), which passage opening (100) has lateral edges and a top edge, comprising: a first and second blowing device (10, 20), arranged at the lateral edges in such a way that planar air streams are blown over the height and respective parts of the width of the passage opening (100); wherein the device (1) is provided with regulating means (13; 23) for regulating the blowing speeds of the blowing devices; and wherein the first blowing device (10) and the second blowing device (20) are provided with secondary blower slits (12; 22) which are parallel to the respective primary blower slits (11; 21), which secondary blower slits (12; 22) are connected to secondary means for drying and/or heating air to be blown.