国家/地区 中国（2）
IPC部 F（2）
IPC大类 F04（2）
IPC小类 F04D（2）
IPC F04D025/08（2）
发明人
公开年 2022（2）
申请年 2021（2） 
专利权人

High-efficiency blower device, has mounting box installed on back surface of blower shell, where inner side wall bonding mounting box is provided with sound insulation cotton and outer side wall of air outlet main body is connected with extending pipe.

LUO W, GUO B, ZHANG Z, LI C

Non-blade tower fan with cooling and heating function, has upper shell that is provided with air channel which is connected with vortex cavity, and upper shell is provided air outlet which is provided heating device.

XU H