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Title:
DUAL-FLOW FRESH AIR PURIFICATION DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/174215
Kind Code:
A1
Abstract:
A dual-flow fresh air purification device, comprising a bidirectional air inlet and outlet tube (2), an air inlet system and an exhaust system, wherein the bidirectional air inlet and outlet tube (2) comprises an outer tube (21), and a first inner tube (22) and second inner tube (23) disposed in the outer tube (21); the outer tube (21) is provided with a heat exchange core (1); the heat exchange core (1) divides the outer tube (21) into a first portion and a second portion; the first inner tube (22) and the second inner tube (23) are located at the first portion and the second portion respectively; the air inlet system comprises, according to an air flow direction, the second portion of the outer tube (21), the heat exchange core (1), an induced draft fan (531), the first inner tube (22) and a first draft tube (537); and the exhaust system comprises, according to the air flow direction, the first portion of the outer tube (21), the heat exchange core (1), an exhaust fan (541), the second inner tube (23) and a second draft tube (544). By means of the arrangement of the heat exchange core (1), the space usage of the heat exchange core (1) in the purification device may be reduced, and the installation and modification costs may be lowered.

Inventors:
LIU, Guangpeng (Haier Industrial Park, No.1 Haier Road Laoshan Distric, Qingdao City Shandong 1, 266101, CN)
Application Number:
CN2018/107302
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
CN108278698A2018-07-13
CN108278697A2018-07-13
Attorney, Agent or Firm:
HANRAY LAW FIRM (712A, Century Square99 Wangfujing Street, Dongcheng, District, Beijing 6, 100006, CN)
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