The invention relates to a fan casing (10), including: gas inlet volute flow into the inlet volute (11), (11) the center of a hollow wheel part (14); and the diffusion tube (12), the diffusion tube (12) and (11) connected to the inlet volute flow and gas supply. The present invention is characterized in that the width of the intake volute (11) is continuously varied in the fan housing (10). The air conditioner indoor unit adopting the fan housing of the invention can effectively reduce the fan speed and reduce the noise level compared with the air conditioner indoor unit adopting the traditional fan shell.
【技术实现步骤摘要】
【国外来华专利技术】PCT国内申请,说明书已公开。
【技术保护点】
PCT国内申请,权利要求书已公开。
【技术特征摘要】
【国外来华专利技术】2014.12....
【专利技术属性】
技术研发人员:狄义波,孙卫亮,靳杰,
申请(专利权)人:特灵空调系统中国有限公司,特灵国际有限公司,
类型:发明
国别省市:江苏,32
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