Patents by Inventor Qiyuan Yao

Qiyuan Yao has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Self-cleaning device of filtering net of air conditioner
    Patent number: 8118899
    Abstract: A self-cleaning device of a filtering net of air conditioner is installed on a filtering frame in an air inlet of a dust spiral case of a package air conditioner and is disposed outside the filtering net. A filtering net guide rail with slots is installed on an upper frame and a lower frame. The filtering net is fixed on the filtering net frame by the slots of guide rails. The cleaning device of the filtering net includes a sweeping assembly with a brush, a drive motor fixed on the sweeping assembly, a transmission mechanism connected to the drive motor, a rack group installed on the left and right side of the filtering net, a dust collecting box installed under the filtering net for collecting dust, and a dust exchanging device is disposed between the dust collecting box and the filtering net.
    Type: Grant
    Filed: October 18, 2007
    Date of Patent: February 21, 2012
    Assignees: Haier Group Corporation, Qingdao Haier Air Conditioning Gen Corp., Ltd.
    Inventors: Zhichun Zhang, Renzhen Chu, Shouxin Zhang, Yu Fu, Fanqing Lin, Yongfeng Lei, Fuxian Zhang, Qiyuan Yao
  • SELF-CLEANING DEVICE OF FILTERING NET OF AIR CONDITIONER
    Publication number: 20100107575
    Abstract: A self-cleaning device of a filtering net of air conditioner is installed on a filtering frame in an air inlet of a dust spiral case of a package air conditioner and is disposed outside the filtering net. A filtering net guide rail with slots is installed on an upper frame and a lower frame. The filtering net is fixed on the filtering net frame by the slots of guide rails. The cleaning device of the filtering net includes a sweeping assembly with a brush, a drive motor fixed on the sweeping assembly, a transmission mechanism connected to the drive motor, a rack group installed on the left and right side of the filtering net, a dust collecting box installed under the filtering net for collecting dust, and a dust exchanging device is disposed between the dust collecting box and the filtering net.
    Type: Application
    Filed: October 18, 2007
    Publication date: May 6, 2010
    Applicants: Haier Group Corproation, Qingdao Haier Air Conditiioner Gen Corp., Ltd.
    Inventors: Zhichun Zhang, Renzhen Chu, Shouxin Zhang, Yu Fu, Fanqing Lin, Yongfeng Lei, Fuxian Zhang, Qiyuan Yao