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Title:
CEILING FILTER DEVICE
Document Type and Number:
WIPO Patent Application WO/2013/139024
Kind Code:
A1
Abstract:
A ceiling filter device comprises multiple filter units (20). Each filter unit comprises two bar support frames (21) arranged along a horizontal direction and two bar support frames (21) arranged along a longitudinal direction. The support frames are crossed to define a filtering zone Q, and a support plate (212) extends from the support frames to the filtering zone Q. The ceiling filter device further comprises a filtering piece (22). The filtering piece (22) is placed on the support plate. A cushioning filling part (23) is disposed between the filtering piece (22) and the support plate (212). The cushioning filling part (23) is used for self-adaptively expanding or contracting relative to the support plate (212) according to the weight of the filtering piece (22) supported by the cushioning filling part (23), so as to fill the space between the support plate (212) and the filtering piece (22).

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Inventors:
YANG WEIBING (CN)
WU CHUN HAO (CN)
LIN KUN HSIEN (CN)
WANG YONGQIANG (CN)
ZHU ERQING (CN)
LI XIANDE (CN)
QI MINGHU (CN)
CHEN ZENGHONG (CN)
GUO ZHENHUA (CN)
JIANG YUNSHAO (CN)
Application Number:
PCT/CN2012/072813
Publication Date:
September 26, 2013
Filing Date:
March 22, 2012
Export Citation:
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Assignee:
SHENZHEN CHINA STAR OPTOELECT (CN)
YANG WEIBING (CN)
WU CHUN HAO (CN)
LIN KUN HSIEN (CN)
WANG YONGQIANG (CN)
ZHU ERQING (CN)
LI XIANDE (CN)
QI MINGHU (CN)
CHEN ZENGHONG (CN)
GUO ZHENHUA (CN)
JIANG YUNSHAO (CN)
International Classes:
E04B9/00; E04B5/48; F24F8/108; F24F13/28
Foreign References:
US4724749A1988-02-16
US5033247A1991-07-23
CN85106378A1986-07-02
CN1163973A1997-11-05
US6351920B12002-03-05
Attorney, Agent or Firm:
ESSEN PATENT&TRADEMARK AGENCY (CN)
深圳翼盛智成知识产权事务所(普通合伙) (CN)
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