AIR CONDITIONER

Japanese Patent JP2016161163

A

PROBLEM TO BE SOLVED: To provide an air conditioner that prevents an increase in power of a compressor caused by oil discharged from the compressor together with a refrigerant and enables improvement of energy saving performance.SOLUTION: An air conditioner includes: a compressor 2 filled with oil and compressing a refrigerant; and an oil separator 3 for separating oil from a refrigerant-oil mixture discharged from the compressor 2. The compressor 2 includes an oil reservoir portion 20 for storing oil. The oil separator 3 includes: an inlet 26 to which the mixture flows in from the compressor 2; an oil outlet 28 from which the separated oil flows out; and a refrigerant outlet 27 from which the refrigerant flows out. The oil outlet 28 of the oil separator 3 and the compressor 2 are connected to each other by oil return piping 35. The inlet 26 of the oil separator 3 is located at a position higher than an oil level 21 of the oil stored in the oil reservoir portion 20. The oil return piping 35 is connected to the compressor 2 at a position lower than the oil level 21 of the oil stored in the oil reservoir portion 20.SELECTED DRAWING: Figure 3

YONEDA HIROSHI
KOMATSU TOSHIHIRO
HANYU HIROYUKI

JP2015037937A

September 05, 2016

February 27, 2015

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JOHNSON CONTROLS HITACHI AIR CONDITIONING TECH (HONGKONG) LTD

F25B1/00; F25B43/02

JPS4711954Y1	1972-05-02
JP2004169983A	2004-06-17
JP2014159906A	2014-09-04
JPH10318164A	1998-12-02
JPH09158881A	1997-06-17
JP2011058431A	2011-03-24
JPS5911261U	1984-01-24
JP2005331118A	2005-12-02
JPS5033708Y1	1975-10-01
JP2013204951A	2013-10-07
JP2008196731A	2008-08-28

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