Title:
INDOOR AND OUTDOOR VENTILATION APPARATUS
Document Type and Number:
WIPO Patent Application WO/2019/196435
Kind Code:
A1
Abstract:
An indoor and outdoor ventilation apparatus, comprising a fan (1) mounted on the indoor side, and an intake housing (2) and an exhaust window (3) mounted on the outdoor side. The intake housing (2) is provided with an air inlet and an air outlet. The fan (1) communicates with the interior of the intake housing (2). An air filter element (4) and a filter screen (5) are mounted in the intake housing (2) from the air inlet to the air outlet in sequence. The exhaust window (3) is mounted on a wall for communicating indoor and outdoor air.
Inventors:
ZHANG XIAOHU (CN)
Application Number:
PCT/CN2018/119026
Publication Date:
October 17, 2019
Filing Date:
December 04, 2018
Export Citation:
Assignee:
ANHUI ZHONG YAN ELECTRIC CO LTD (CN)
International Classes:
F24F7/013; F24F7/003; F24F13/00; F24F13/28
Domestic Patent References:
| WO2017222457A1 | 2017-12-28 |
Foreign References:
| CN104566758A | 2015-04-29 | |||
| CN206556184U | 2017-10-13 | |||
| CN206504416U | 2017-09-19 | |||
| CN107421049A | 2017-12-01 | |||
| DE10245208B4 | 2004-08-12 | |||
| CN102628607A | 2012-08-08 | |||
| CN2888333Y | 2007-04-11 | |||
| CN108344097A | 2018-07-31 | |||
| CN208139514U | 2018-11-23 |
Attorney, Agent or Firm:
HEFEI CHANGYUAN IP LAW OFFICE (CN)
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