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Method and device for roof drainage in the form of a main drainage system and an emergency drainage system
Method and device for roof drainage in the form of a main drainage system and an emergency drainage system
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机译:用于以主排水系统和紧急排水系统形式的屋顶排水的方法和装置
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摘要
The method involves providing main dewatering portion and emergency dewatering portion. The main dewatering portion is arranged into a collection channel (7) by a connecting line (6). The connecting line is provided with an inlet opening (5), above which water-impermeable roof area (3) accumulated with water (4) is provided. The line portion (14) is formed with the collecting channel. The idle cross-section of the inlet opening is reduced by the air duct (13) so as to prevent damming up of water into the line portion of the connecting line. An independent claim is included for roof dewatering device.
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