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Title:
AIR CONDITIONING INDOOR UNIT, AND FRESH AIR VENTILATION MODULE THEREOF
Document Type and Number:
WIPO Patent Application WO/2022/068577
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), wherein a fresh-air ventilator (4) for promoting air flow circulation is arranged in the fresh air duct (1); 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), with a second filter component (21) being arranged in the second flow passage (11), and the first filter component (20) and the second filter component (21) having different filter finenesses; and the fresh air duct (1) comprises a fresh air inlet (12), and 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)
WEI CHUANCHAO (CN)
Application Number:
PCT/CN2021/118269
Publication Date:
April 07, 2022
Filing Date:
September 14, 2021
Export Citation:
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Assignee:
QINGDAO HAIER AIR CONDITIONER GENERAL CORP LTD (CN)
QINGDAO HAIER AIR CONDITIONING ELECTRONIC CO LTD (CN)
HAIER SMART HOME CO LTD (CN)
International Classes:
F24F1/0035
Foreign References:
CN211233101U2020-08-11
CN212511463U2021-02-09
CN111750423A2020-10-09
CN213019946U2021-04-20
CN107965880A2018-04-27
CN208418985U2019-01-22
JP2020012579A2020-01-23
CN112303787A2021-02-02
CN107101283A2017-08-29
Attorney, Agent or Firm:
HANRAY LAW FIRM (CN)
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