Title:
REFRIGERATION DEVICE
Document Type and Number:
WIPO Patent Application WO/2014/184931
Kind Code:
A1
Abstract:
A refrigeration device provided with: a refrigeration cycle (100) in which a compressor (101), a condenser (102), an expansion valve (103), and an evaporator (104) are sequentially connected by tubes and refrigerant is circulated; an expansion tank (107) for recovering refrigerant and lowering the pressure of the refrigeration cycle (100); an oil return tube (108) for returning the refrigerant recovered in the expansion tank (107) and oil accumulated in the expansion tank (107) to the refrigeration cycle (100); and an adjustment valve (106) for controlling refrigerant flow by opening and closing, the adjustment valve being provided to the oil return tube (108). The oil return tube (108) connects the intake side of the compressor (101) and the bottom part of the expansion tank (107).
Inventors:
ISHIHARA NOBUYA (JP)
MIENO JUN (JP)
MIENO JUN (JP)
Application Number:
PCT/JP2013/063693
Publication Date:
November 20, 2014
Filing Date:
May 16, 2013
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
F25B7/00; F25B1/00; F25B43/02
Foreign References:
| JP2007303792A | 2007-11-22 | |||
| JP2009156531A | 2009-07-16 | |||
| JP2004308972A | 2004-11-04 | |||
| JP2003287292A | 2003-10-10 | |||
| JP2006290042A | 2006-10-26 | |||
| JP2010007987A | 2010-01-14 | |||
| JP2012112622A | 2012-06-14 | |||
| JP2003279202A | 2003-10-02 | |||
| JPH03263556A | 1991-11-25 | |||
| JP2003185285A | 2003-07-03 | |||
| JP3270706B2 | 2002-04-02 | |||
| JPS6015083Y2 | 1985-05-13 |
Other References:
See also references of EP 2998665A4
Attorney, Agent or Firm:
KOBAYASHI, Hisao et al. (JP)
Hisao Kobayashi (JP)
Hisao Kobayashi (JP)
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