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Title:
BASE AND BLADELESS FAN
Document Type and Number:
WIPO Patent Application WO/2018/103151
Kind Code:
A1
Abstract:
A base and a bladeless fan, a silencing structure (40) of the base (100) comprising: a first silencing cover (41) and a second silencing cover (42), the first silencing cover (41) forming a first silencing cavity (411), the first silencing cover (41) having formed therein a first guide hole (412) in communication with the first silencing cavity (411) and an air inlet (121), a cross-sectional area of the first guide hole (412) being smaller than a cross-sectional area of the first silencing cavity (411); the second silencing cover (42) surrounding and covering a wind inlet (211), the second silencing cover (42) forming a second silencing cavity (421) in communication with the wind inlet (211), the second silencing cover (42) having formed therein a second guide hole (422) in communication with the first silencing cavity (411) and the second silencing cavity (421), a cross-sectional area of the second guide hole (422) being smaller than a cross-sectional area of the second silencing cavity (421). The present base decreases noise while a bladeless fan is in operation.

Inventors:
CHENG JIEFENG (CN)
LI ZHONGHUA (CN)
WEI XIMING (CN)
WANG YUE (CN)
WANG XUECHAO (CN)
LI CHANGMING (CN)
Application Number:
PCT/CN2016/112102
Publication Date:
June 14, 2018
Filing Date:
December 26, 2016
Export Citation:
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Assignee:
MIDEA GROUP CO LTD (CN)
International Classes:
F04D29/66
Foreign References:
CN205349799U2016-06-29
CN200976264Y2007-11-14
CN204357774U2015-05-27
CN202483844U2012-10-10
GB2502105A2013-11-20
Attorney, Agent or Firm:
TSINGYIHUA INTELLECTUAL PROPERTY LLC (CN)
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