Title:
HUMIDITY CONTROL DEVICE
Document Type and Number:
WIPO Patent Application WO/2010/029724
Kind Code:
A1
Abstract:
A humidity control device has a compressor (53), an electrically operated main expansion valve (55), a first adsorption heat exchanger (51) and a second adsorption heat exchanger (52) which carry an adsorption agent for adsorbing moisture in air, and a refrigerant circuit (50) in which a refrigerant reversibly circulates to perform a vapor-compression refrigeration cycle. The humidity control device reversibly switches between the directions of circulation of the refrigerant in the refrigerant circuit (50) to cause adsorption operation and regeneration operation of the adsorption agent to be alternately performed by the two adsorption heat exchangers (51, 52), thereby adjusting the humidity of air passing through the heat absorption heat exchangers (51, 52). The refrigerant circuit (50) is provided with an auxiliary heat exchanger (61) mounted on the upstream of the adsorption heat exchangers (51, 52) with respect to the direction of flow of regenerating air and previously heating the regenerating air supplied to the adsorption heat exchangers (51, 52), and also with a refrigerant adjusting mechanism (62) for adjusting the amount of the refrigerant flowing into the auxiliary heat exchanger (61).
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Inventors:
NODA HIROSHI (JP)
MATSUI NOBUKI (JP)
OKA MASAHIRO (JP)
MATSUI NOBUKI (JP)
OKA MASAHIRO (JP)
Application Number:
PCT/JP2009/004444
Publication Date:
March 18, 2010
Filing Date:
September 08, 2009
Export Citation:
Assignee:
DAIKIN IND LTD (JP)
NODA HIROSHI (JP)
MATSUI NOBUKI (JP)
OKA MASAHIRO (JP)
NODA HIROSHI (JP)
MATSUI NOBUKI (JP)
OKA MASAHIRO (JP)
International Classes:
F24F3/14; B01D53/26
Foreign References:
| JP2008039219A | 2008-02-21 | |||
| JPH10122596A | 1998-05-15 | |||
| JP2008082609A | 2008-04-10 | |||
| JP2005140372A | 2005-06-02 | |||
| JP2005326122A | 2005-11-24 | |||
| JP2005291532A | 2005-10-20 | |||
| JP2006170517A | 2006-06-29 |
Other References:
See also references of EP 2351969A4
Attorney, Agent or Firm:
MAEDA, Hiroshi et al. (JP)
Hiroshi Maeda (JP)
Hiroshi Maeda (JP)
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