Air conditioner with oil separators and method for controlling the same
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United States of America Patent
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Mar 20, 2018
Issued Date -
N/A
app pub date -
Oct 27, 2014
filing date -
Oct 30, 2013
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An air conditioner and a method for controlling and air conditioner are provided. The air conditioner may include at least one compressor, a main suction passage to guide a refrigerant into the at least one compressor, at least one oil separator connected to the at least one compressor, that separates oil from the refrigerant discharged from the at least one compressor, at least one oil level sensor disposed in the at least one compressor to detect whether the at least one compressor lacks oil, a return passage to collect the oil separated from the at least one oil separator into the at least one compressor, a distribution return passage branched from the at least one return passage and connected to the main suction passage, and a valve disposed in each of the at least one return passage and the distribution return passage.
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