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AIR CONDITIONER AND METHOD thereof

A technology of air conditioner and control method, applied in the field of air conditioner and its control, which can solve the problems of longer oil recovery time and inability to quickly equalize oil, etc., and achieve the effect of improving work reliability and maintaining oil balance

Active Publication Date: 2015-05-06
LG ELECTRONICS INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0019] Therefore, the time required for oil recovery becomes longer, and there is a problem that oil equalization cannot be performed quickly

Method used

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  • AIR CONDITIONER AND METHOD thereof
  • AIR CONDITIONER AND METHOD thereof
  • AIR CONDITIONER AND METHOD thereof

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Embodiment Construction

[0049] Hereinafter, specific embodiments of the present invention will be described with reference to the drawings. However, the concept of the present invention is not limited by the proposed embodiments, and those skilled in the art to which the present invention belongs can easily propose other embodiments within the scope of the same concept.

[0050] image 3 It is a diagram showing a schematic structure of the air conditioner of the present invention.

[0051] Referring to the drawing, an air conditioner 50 according to an embodiment of the present invention includes an outdoor unit disposed outdoors and an indoor unit disposed indoors. The outdoor unit and the indoor unit include an outdoor heat exchanger 100 and an indoor heat exchanger 200 for heat exchange, respectively.

[0052] The outdoor unit includes a plurality of compressors 520, 540 and oil separators 562, 582. The oil separators 562, 582 are arranged on the outlet side of the plurality of compressors 520, ...

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PUM

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Abstract

An air conditioner and a method of controlling the same are provided. An air conditioner includes a compressor, a main suction passage guiding suction of a refrigerant into the compressor, an oil separator connected to the compressor, the oil separator separating oil from the refrigerant discharged from the compressor, an oil level sensor disposed in the compressor to detect whether the compressor lacks oil, a return passage for collecting the oil separated from the oil separator into the compressor, a distribution return passage branched from the return passage, the distribution return passage being connected to the main suction passage, and a valve disposed in each of the return passage and the distribution return passage.

Description

technical field [0001] The present invention relates to an air conditioner and a control method thereof. Background technique [0002] An air conditioner is a device for maintaining the air in a predetermined space in an optimum state according to the use and purpose. Generally, the air conditioner includes a compressor, a condenser, an expansion device, and an evaporator, which can drive a refrigerant cycle that performs compression, condensation, expansion, and evaporation of the refrigerant to cool or heat the predetermined space. [0003] The above-mentioned predetermined space can be adjusted in various ways according to the place where the above-mentioned air conditioner is used. As an example, when the air conditioner is installed in a home or an office, the predetermined space may be an indoor space of a home or a building. On the contrary, when the above-mentioned air conditioner is arranged in a car, the above-mentioned predetermined space may be a boarding space...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24F11/00
CPCF25B31/004F25B49/02F25B2700/03F25B40/02F25B2400/061F25B2400/23F25B43/02F04B39/02F04B41/06F25B41/20Y02B30/70F25B2500/16F25B2600/2515
Inventor 朱赈荣张硕训
Owner LG ELECTRONICS INC