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Title:
DUAL-FLOW FRESH AIR PURIFYING DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/174216
Kind Code:
A1
Abstract:
A dual-flow fresh air purifying device, comprising a two-way air inlet and outlet pipe (2), an air inlet system, and an exhaust system. The two-way air inlet and outlet pipe (2) comprises an outer pipe (21), as well as a first inner pipe (22) and a second inner pipe (23) provided in the outer pipe (21). A heat exchange core (1) is provided in the outer pipe (21). The outer pipe (21) is divided by the heat exchange core (1) into a first portion and a second portion. The first inner pipe (22) and the second inner pipe (23) are located at the first portion and the second portion, respectively. The air inlet system comprises the second portion of the outer pipe (21), the heat exchange core (1), an induced draft fan (531), and the first inner pipe (22) in an air flow direction. The exhaust system comprises the first portion of the outer pipe (21), the heat exchange core (1), an exhaust fan (541), and the second inner pipe (23) in the air flow direction. The arrangement of the heat exchange core (1) can reduced the space occupied by the heat exchange core (1) in the purifying device, and thus the installation and renovation costs are reduced.

Inventors:
LIU, Guangpeng (Haier Industrial Park, No. 1 Haier Road Laoshan Distric, Qingdao City Shandong 1, 266101, CN)
Application Number:
CN2018/107303
Publication Date:
September 19, 2019
Filing Date:
September 25, 2018
Export Citation:
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Assignee:
QINGDAO HAIER AIR CONDITIONER GENERAL CORP., LTD. (Haier Industrial Park, No. 1 Haier Road Laoshan Distric, Qingdao City Shandong 1, 266101, CN)
International Classes:
F24F3/147; F24F13/30; F28D21/00
Foreign References:
CN107143963A2017-09-08
CN207006460U2018-02-13
CN206430287U2017-08-22
US4461344A1984-07-24
CN108278697A2018-07-13
CN108278698A2018-07-13
Attorney, Agent or Firm:
HANRAY LAW FIRM (712A, Century Square99 Wangfujing Street, Dongcheng, District, Beijing 6, 100006, CN)
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