AIR CONDITIONING SYSTEM, AND COMPRESSED OIL SUPPLY APPARATUS AND CONTROL METHOD THEREFOR

WIPO Patent Application WO/2020/042457

A1

An air conditioning system, and a compressed oil supply apparatus and a control method therefor. The compressed oil supply apparatus comprises: a compressor (110) having an air-supplementing opening (111); an oil separator (120) having an oil supply hole (112); and a first oil supply component (130) that connects the air-supplementing opening (111) with the oil supply hole (112) and is used for conveying a lubricating oil in the oil separator (120) to the compressor (110) by means of the air-supplementing opening (111). The lubricating oil enters the compressor (110) by means of the air-supplementing opening (111) of the compressor (110); the temperature of the lubricating oil and the temperature of the refrigerant at the air-supplementing opening (111) differ little, and therefore, there is no problem of heating the refrigerant. Hence, the specific volume of the refrigerant is reduced and the intake air temperature of the compressor is reduced, so that an exhaust temperature is reduced, the running reliability of the compressor is improved, the mass flow of the circulation of the refrigerant is also increased, and the performance of the air conditioning system is improved.

ZHANG SHIQIANG (CN)
JIAO HUACHAO (CN)
WU LIANFA (CN)
FENG TAO (CN)
LI LIMIN (CN)
ZHOU BING (CN)

PCT/CN2018/122223

March 05, 2020

December 20, 2018

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GREE ELECTRIC APPLIANCES INC ZHUHAI (CN)

F25B31/00; F25B49/02

CN105042915A	2015-11-11
CN107906790A	2018-04-13
CN107061291A	2017-08-18
CN106352577A	2017-01-25
CN103486780A	2014-01-01
CN102644592A	2012-08-22

ADVANCE CHINA IP LAW OFFICE (CN)

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