国家/地区 中国（2）
IPC部 B（2）
IPC大类 F04（2）
IPC小类 F04D（2）
IPC
发明人
公开年 2015（2）
申请年 2015（2）
专利权人

Graphene filtering exhaust fan has machine shell which is installed with blade and provided with filter mechanism which is included with front filter screen and rear filter screen, while setting active coal layer between filter screens.

YAN L

Plastic bearing for use in heat abstractor fan, comprises bearing body having round circle shape, where plastic bearing is engineering plastic materials, and inner and outer circles of plastic bearing is arranged with graphene and chamfers.

YAO C