Title:
CEILING FRESH AIR VENTILATOR
Document Type and Number:
WIPO Patent Application WO/2021/139259
Kind Code:
A1
Abstract:
Provided in the present invention is a ceiling fresh air ventilator. The ceiling fresh air ventilator comprises a fresh air ventilator body, a first fan and a second fan, wherein the fresh air ventilator body comprises a casing, with a fresh air inlet and a dirty air outlet being provided on the left side wall of the casing, a fresh air outlet and a dirty air inlet being provided on the right side wall of the casing, and a shift baffle being mounted in the middle of an inner cavity of the casing. The air inlet and outlet amount can be controlled by means of the shift baffle, and the indoor air density can further be compensated for by means of an air pressure balance valve, such that the indoor air pressure tends to be similar to the outdoor air pressure, and the balance between the indoor and outdoor air pressures is facilitated.
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Inventors:
YU BAOCHANG (CN)
YU PENGFEI (CN)
YU PENGFEI (CN)
Application Number:
PCT/CN2020/118559
Publication Date:
July 15, 2021
Filing Date:
September 28, 2020
Export Citation:
Assignee:
NANJING YUFENG TECH CO LTD (CN)
International Classes:
F24F7/007; F24F11/74; F24F13/14; F24F13/20
Foreign References:
| CN201407776Y | 2010-02-17 | |||
| CN203083075U | 2013-07-24 | |||
| JP2007278565A | 2007-10-25 | |||
| JP2014105927A | 2014-06-09 |
Attorney, Agent or Firm:
NANJING XING GAO INTELLECTUAL PROPERTY AGENCY CO., LTD (CN)
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