INDOOR UNIT OF AIR CONDITIONER

WIPO Patent Application WO/2019/174217

A1

Disclosed is an indoor unit of an air conditioner, the indoor unit comprising a housing, an air return port (9), an air outlet (63), and a dual-flow-type fresh air purification device (5), wherein the purification device (5) comprises a bidirectional air inlet and outlet pipe (2), an air inlet system, and an air exhaust system; the bidirectional air inlet and outlet pipe (2) comprises an outer pipe (21), and a first inner pipe (22) and a second inner pipe (23), which are arranged in the outer pipe (21), a heat exchange core (1) being arranged in the outer pipe (21); the heat exchange core (1) divides the outer pipe (21) into a first part and a second part, the first inner pipe (22) and the second inner pipe (23) being located at the first part and the second part respectively; and the air inlet system comprises the second part of the outer pipe (21), the heat exchange core (1), an induced draft fan (531) and the first inner pipe (22), and the air exhaust system comprises the first part of the outer pipe, the heat exchange core (1), an exhaust fan (541), and the second inner pipe (23).

LIU GUANGPENG (CN)

PCT/CN2018/107306

September 19, 2019

September 25, 2018

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QINGDAO HAIER AIR CONDITIONER GENERAL CORP LTD (CN)

F24F1/00; F24F8/108

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CN204176793U	2015-02-25
CN106642332A	2017-05-10
CN105240943A	2016-01-13
JP6106503B2	2017-04-05
JP2002081680A	2002-03-22
DE19852640A1	1999-11-11
CN108426303A	2018-08-21

HANRAY LAW FIRM (CN)

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