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FAN STRUCTURE FOR MOUNTING IN A LIGHT STEEL STRUCTURE OF A CEILING
FAN STRUCTURE FOR MOUNTING IN A LIGHT STEEL STRUCTURE OF A CEILING
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机译:安装在天花板轻钢结构中的风扇结构
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摘要
A fan structure is disclosed to include a fan holder holding a fan motor and a fan blade, a bottom cover frame, which has smoothly arched bottom wall, a horizontal mounting flange extending around the smoothly arched bottom wall and mounted in one frame sash of a light steel structure of a ceiling, a vertical connection flange connected to the top cover shell of the fan holder, a circular center opening corresponding to the fan blade, ventilation holes spaced around the circular center opening and a fence disposed above the circular center opening and surrounding the fan blade defining with the top cover shell of the fan holder a space for causing a gate effect during rotation of the fan blade, and a grille mounted in the circular center opening of the bottom cover shell for output of currents of air caused by the fan blade.
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