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Title:
HEAT EXCHANGING-TYPE VENTILATION DEVICE AND HEAT EXCHANGING-TYPE VENTILATION SYSTEM
Document Type and Number:
WIPO Patent Application WO/2022/249299
Kind Code:
A1
Abstract:
In the present invention, a control unit controls a protective operation mode in which: in a state where an air supply blower (3) and an exhaust blower (2) are operating and a heater (15) is stopped, the heater (15) is made to operate if the temperature of an air supply flow measured by an outside air temperature sensor (9) is at or below a first temperature threshold value; if, after the heater (15) has been made to operate, the temperature of the air supply flow measured by the outside air temperature sensor (9) is at or below a second temperature threshold value, the air supply blower (3) is intermittently operated or is stopped and the exhaust blower (2) is caused to continue operating.

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Inventors:
YASUDA MASAMI (JP)
HASEGAWA KOHEI (JP)
KOIZUMI SHIGENORI (JP)
HAYAMIZU YUTARO (JP)
Application Number:
PCT/JP2021/019868
Publication Date:
December 01, 2022
Filing Date:
May 25, 2021
Export Citation:
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Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
F24F12/00; F24F7/08; F24F11/41
Domestic Patent References:
WO2016056141A12016-04-14
Foreign References:
JP2013104656A2013-05-30
JP2016169913A2016-09-23
JP2021042899A2021-03-18
JP2015068544A2015-04-13
JP2015068544A2015-04-13
Attorney, Agent or Firm:
TAKAMURA, Jun (JP)
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