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Method for controlling the supply and the discharge of hot air to and from, respectively, a blowing tunnel
Method for controlling the supply and the discharge of hot air to and from, respectively, a blowing tunnel
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机译:控制进出吹气通道的热空气进出的方法
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摘要
A funnel-shaped arrangement (1) for drying and/or cooling vehicles or parts thereof. The funnel-shaped arrangement (1) is longitudinally divided into a number of sections each of which is provided with a plurality, preferably 60-250, of nozzles (7,20,21,22,23, 24,25) which are substantially evenly distributed over the curved inner surface of the section and through which the gases are supplied and blown against the vehicle or the parts thereof passing through the arrangement (1), the pressure drop of the gases is measured across the nozzles (7,20, 21,22,23, 24,25) and the temperature of the gases before the nozzles (7, 20,21,22,23, 24,25). The measured pressure drop values are then compared with predetermined desired values corresponding to the prevailing temperature, whereupon a pressure increase or a pressure reduction signal is supplied to a first pressure changing means (29) for suplying the gases to the arrangement (1), depending on whether the measured values are below or above the desired values.
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