Title:
REFRIGERATION UNIT
Document Type and Number:
WIPO Patent Application WO/2015/173939
Kind Code:
A1
Abstract:
A refrigeration unit which has a refrigerant circuit that is configured by a compressor, a condenser, a main throttle unit, and an evaporator being connected by refrigerant piping, the refrigeration unit being equipped with: an oil separator that separates refrigerating machine oil from the refrigerant discharged from the compressor and is connected to a refrigerant pipe between the compressor and the condenser; an oil cooling portion that cools the refrigerating machine oil separated by the oil separator; and an oil return pipe that connects the refrigerating-machine-oil-outflow side of the oil separator and the compressor through the oil cooling portion. The oil cooling portion is provided integrally with the condenser and makes up 15% to 25% of the heat transfer area of the condenser.
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| JP4284262 | Refrigeration air conditioner |
Inventors:
ISHIHARA NOBUYA (JP)
SAITO MAKOTO (JP)
SAITO MAKOTO (JP)
Application Number:
PCT/JP2014/063005
Publication Date:
November 19, 2015
Filing Date:
May 15, 2014
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
F25B1/00; F25B43/02
Domestic Patent References:
| WO2012026317A1 | 2012-03-01 | |||
| WO2005108881A1 | 2005-11-17 |
Foreign References:
| JP2012137214A | 2012-07-19 | |||
| JP2001194033A | 2001-07-17 | |||
| JPH04203764A | 1992-07-24 | |||
| JP2006300341A | 2006-11-02 | |||
| JP2003021409A | 2003-01-24 | |||
| JPH02298763A | 1990-12-11 | |||
| JP2004301462A | 2004-10-28 |
Attorney, Agent or Firm:
KISA PATENT & TRADEMARK FIRM (JP)
Patent business corporation きさ patent trademark office (JP)
Patent business corporation きさ patent trademark office (JP)
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