Title:
AIR CONDITIONING INDOOR UNIT, AND FRESH AIR VENTILATION MODULE THEREOF
Document Type and Number:
WIPO Patent Application WO/2022/068576
Kind Code:
A1
Abstract:
An air conditioning indoor unit and a fresh air ventilation module thereof. The fresh air ventilation module comprises a fresh air duct (1) and a return air duct (5), wherein a fresh air ventilator (4) for promoting air flow circulation is arranged in the fresh air duct (1); a return air fan (6) for promoting air flow circulation is arranged in the return air duct (5); the fresh air duct (1) comprises: a first flow passage (10) in which a first filter component (20) is arranged, and a second flow passage (11) arranged parallel to the first flow passage (10) and provided with a second filter component (21), wherein the first filter component (20) and the second filter component (21) have different filter finenesses; and the fresh air duct (1) comprises a fresh air inlet (12), wherein the fresh air duct (1) is provided, at the fresh air inlet (12), with a damper that can block the first flow passage (10) and/or the second flow passage (11).
Inventors:
ZHANG ZHAN (CN)
WANG NING (CN)
LIU XIANGYU (CN)
WANG NING (CN)
LIU XIANGYU (CN)
Application Number:
PCT/CN2021/118265
Publication Date:
April 07, 2022
Filing Date:
September 14, 2021
Export Citation:
Assignee:
QINGDAO HAIER AIR CONDITIONER GENERAL CORP LTD (CN)
QINGDAO HAIER AIR CONDITIONING ELECTRONIC CO LTD (CN)
HAIER SMART HOME CO LTD (CN)
QINGDAO HAIER AIR CONDITIONING ELECTRONIC CO LTD (CN)
HAIER SMART HOME CO LTD (CN)
International Classes:
F24F1/0035
Domestic Patent References:
| WO2020057087A1 | 2020-03-26 |
Foreign References:
| CN211233101U | 2020-08-11 | |||
| CN109708240A | 2019-05-03 | |||
| CN104121676A | 2014-10-29 | |||
| CN210425270U | 2020-04-28 | |||
| CN213019946U | 2021-04-20 | |||
| CN112665008A | 2021-04-16 | |||
| CN208418985U | 2019-01-22 |
Attorney, Agent or Firm:
HANRAY LAW FIRM (CN)
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