Abstract: An arrangement for producing an air partition on a passage between rooms with different air temperatures has a first ventilator whose air intake is arranged in a first room, and whose pressure side is located on a heating device having one heating element and a device for regulating the temperature. The temperature regulating device is connected to a sensor in a second room for detecting the partial pressure of the water vapor. The outlet of the heating device is connected with a pair of first air-blowing nozzles that are vertically arranged on each side of the passage in the first room and provided with a slot outlet extending over the entire height of the passage. In addition, a second ventilator with an air intake is located in the second room. A pair of second air-blowing nozzles is connected with the pressure side of this air intake. This second pair of blowing nozzles is vertically arranged on both sides of the passage and provided with slot outlets extending over the entire height of the passage.

Abstract: An arrangement for producing an air partition on a passage between rooms with different air temperatures has a first ventilator whose air intake is arranged in a first room, and whose pressure side is located on a heating device having one heating element and a device for regulating the temperature. The temperature regulating device is connected to a sensor in a second room for detecting the partial pressure of the water vapor. The outlet of the heating device is connected with a pair of first air-blowing nozzles that are vertically arranged on each side of the passage in the first room and provided with a slot outlet extending over the entire height of the passage. In addition, a second ventilator with an air intake is located in the second room. A pair of second air-blowing nozzles is connected with the pressure side of this air intake. This second pair of blowing nozzles is vertically arranged on both sides of the passage and provided with slot outlets extending over the entire height of the passage.

Abstract: A slot-shaped outlet having first flow guide means extending in the interior space of a flow chamber. The flow guide means are extensions of the parallel arranged longitudinal side flanks that extend from the outside to the inside of the slot outlet. The flow guide means are first parallel with each other, and subsequently extend in a curved manner, diverging from each other, with their free longitudinal edges resting closely against the inner surface of the flow chamber. There are second flow guide means arranged parallel with each other between the longitudinal side flanks. The second flow guide means extend transversely in relation to the longitudinal direction.

Abstract: A slot-shaped outlet having first flow guide means extending in the interior space of a flow chamber. The flow guide means are extensions of the parallel arranged longitudinal side flanks that extend from the outside to the inside of the slot outlet. The flow guide means are first parallel with each other, and subsequently extend in a curved manner, diverging from each other, with their free longitudinal edges resting closely against the inner surface of the flow chamber. There are second flow guide means arranged parallel with each other between the longitudinal side flanks. The second flow guide means extend transversely in relation to the longitudinal direction.