Title:
LOW-NOISE CEILING FAN
Document Type and Number:
WIPO Patent Application WO/2017/084611
Kind Code:
A1
Abstract:
A low-noise ceiling fan comprises a motor (1) and fan blades (2) connected to the periphery of the motor (1), and is characterized in that: at least one air guide groove (3) is provided on one side, away from the motor (1), of each fan blade (2), the air guide groove (3) is a groove decreasing gradually from the outer side of the fan blade (2) to the inner side, the air guide groove (3) is provided at an end portion of one side, away from the motor (1), of the fan blade (2), the air guide groove (3) is a fin-shaped groove, and the air guide groove (3) is recessed inwards from the front surface of the fan blade (2) to form a circular arc portion; and there are three air guide grooves (3), and edges of air inlet ends of the air guide grooves (3) are zigzagged. The low-noise ceiling fan is high in stability and low in working noise.
Inventors:
FENG YUMING (CN)
XUE ZHAOQIANG (CN)
GUAN BINGLIANG (CN)
XUE ZHAOQIANG (CN)
GUAN BINGLIANG (CN)
Application Number:
PCT/CN2016/106362
Publication Date:
May 26, 2017
Filing Date:
November 18, 2016
Export Citation:
Assignee:
FOSHAN SHUNDE WEI YUAN ELECTRICAL CO LTD (CN)
International Classes:
F04D29/38; F04D29/66
Foreign References:
| CN102003413A | 2011-04-06 | |||
| CN201757085U | 2011-03-09 | |||
| CN201560981U | 2010-08-25 | |||
| JPH07158591A | 1995-06-20 | |||
| CN201382019Y | 2010-01-13 | |||
| CN205101284U | 2016-03-23 | |||
| TW201437492A | 2014-10-01 |
Attorney, Agent or Firm:
BEIJING ZHILIN HENGYUAN IP FIRM (CN)
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