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Title:
DEFLECTION-TYPE BLADELESS FAN
Document Type and Number:
WIPO Patent Application WO/2023/197690
Kind Code:
A1
Abstract:
A deflection-type bladeless fan comprises a machine head (1), an inner air duct, an outer air duct (5) and an air outlet frame (3) which is hermetically hinged to the outer air duct (5). An air outlet cavity is provided in the air outlet frame (3). Air outlet holes (4) in communication with the air outlet cavity are distributed on the side wall of the air outlet frame (3). A motor (13) and a wind wheel (19) or an impeller (16) connected to the motor (13) are arranged in the inner air duct. An air inlet (2) for introducing air into the inner air duct is provided in the machine head (1). An air outlet in communication with the outer air duct (5) is provided at an end of the inner air duct close to the machine head (1). An air duct through hole (8) in communication with the outer air duct (5) and the air outlet cavity is provided at a hinged position of the air outlet frame (3).

Inventors:
SONG ZHENMING (CN)
Application Number:
PCT/CN2022/143300
Publication Date:
October 19, 2023
Filing Date:
December 29, 2022
Export Citation:
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Assignee:
SONG ZHENMING (CN)
International Classes:
F04D25/08; F04F5/46
Foreign References:
CN203035626U2013-07-03
CN209083703U2019-07-09
CN111379745A2020-07-07
CN202091268U2011-12-28
CN209557301U2019-10-29
CN204532993U2015-08-05
CN210320636U2020-04-14
Attorney, Agent or Firm:
CHONGQING XINHANG INTELLECTUAL PROPERTY AGENCY CO., LTD. (CN)
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