Title:
換気装置
Document Type and Number:
Japanese Patent JP7381936
Kind Code:
B2
Abstract:
This ventilation device comprises: a compressor; a first heat exchanger provided to a first path whereby outdoor air is supplied indoors; a second heat exchanger provided to a second path whereby the air indoors is discharged outdoors; a refrigerant circuit through which a refrigerant flows internally and in which the compressor, the first heat exchanger, and the second heat exchanger are connected by refrigerant piping; and a control unit that estimates the state of dirtiness of the second heat exchanger and performs control so that the second heat exchanger is cleaned in accordance with the result of estimating the state of dirtiness.
Inventors:
Ida Odo
Takashi Takahashi
Shota Tsuruzono
Takashi Takahashi
Shota Tsuruzono
Application Number:
JP2021205604A
Publication Date:
November 16, 2023
Filing Date:
December 17, 2021
Export Citation:
Assignee:
Daikin Industries, Ltd.
International Classes:
F24F5/00; F24F1/18; F24F7/007; F24F7/08; F24F11/49; F24F11/61; F24F11/63; F24F12/00; F28G1/16
Domestic Patent References:
| JP2004144401A | ||||
| JP2018189257A | ||||
| JP2021038868A | ||||
| JP2001355904A | ||||
| JP2004037036A | ||||
| JP2007315713A | ||||
| JP2009250528A |
Foreign References:
| CN111947281A | ||||
| WO2021044948A1 |
Attorney, Agent or Firm:
Tadashige Ito
Tadahiko Ito
Tadahiko Ito
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