| 摘要 |
1,242,415. Air humidifier. CALOMAX (ENGS) Ltd. 9 May, 1969 [15 May, 1968], No. 23023/68. Heading B1R. Air flowing in a duct 29 is humidified by admitting steam generated in a unit 12, the unit 12 being supplied with water from a tank 10 closed at its top and wherein there is maintained a predetermined 'water' level, pressure in the duct 29 and in the space in tank 10 above the water being equalised by a connecting pipe. As shown a steam generating unit 12 is arranged in either side of the tank 10. Each unit 12 has a chamber divided into two by a vertical partition, each part of the chamber containing a heating coil, one steam heated, the other electrically, to generate steam. The chambers of units 12 may be drained manually or automatically, a device sensing the solids content of the water in the chambers being provided.
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