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Title:
FAN AND AIR CONDITIONER INDOOR UNIT HAVING SAME
Document Type and Number:
WIPO Patent Application WO/2020/155350
Kind Code:
A1
Abstract:
A fan (100) and an air conditioner indoor unit (1000) having same. The fan (100) comprises: a first wind wheel (1) and a second wind wheel (2); the first wind wheel (1) comprises a plurality of first blades (11), and the second wind wheel (2) comprises a plurality of second blades (21); an orthographic projection of each of the first blades (11) on a reference plane is a first projection, the first projection being provided with two first intersection points, a connecting line of the two first intersection points being a first connecting line, and a straight line perpendicular to the first connecting line being a first perpendicular line; an orthographic projection of each of the second blades (21) on the reference plane is a second projection, the second projection being provided with two second intersection points, a connecting line of the two second intersection points being a second connecting line, and a straight line perpendicular to the second connecting line being a second perpendicular line; an included angle between one of the first perpendicular line and the second perpendicular line and the positive direction of an X axis is an acute angle, and an included angle between the other of the first perpendicular line and the second perpendicular line and the positive direction of the X axis is an obtuse angle.

Inventors:
CAI XUJIE (CN)
ZHOU HEJIE (CN)
ZHANG TAO (CN)
LI SHUQI (CN)
LI JINBO (CN)
ZHANG HUI (CN)
Application Number:
PCT/CN2019/080045
Publication Date:
August 06, 2020
Filing Date:
March 28, 2019
Export Citation:
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Assignee:
GD MIDEA AIR-CONDITIONING EQUIPMENT CO LTD (CN)
MIDEA GROUP CO LTD (CN)
International Classes:
F24F1/0033
Domestic Patent References:
WO2017054503A12017-04-06
Foreign References:
CN108266809A2018-07-10
CN106968973A2017-07-21
CN108253543A2018-07-06
CN208025670U2018-10-30
CN109028348A2018-12-18
Other References:
See also references of EP 3708842A4
Attorney, Agent or Firm:
TSINGYIHUA INTELLECTUAL PROPERTY LLC (CN)
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