Invention Grant
US07673465B2 Air-conditioning system and apparatus for protecting the same 有权
空调系统及其保护装置

Air-conditioning system and apparatus for protecting the same
Abstract:
An air conditioning system and an apparatus for protecting the same. The air conditioning system comprise an outdoor unit, a plurality of indoor units connected to the outdoor unit by each refrigerant line, and a refrigerant line closing unit installed at the refrigerant line of the indoor unit for preventing a refrigerant flowing on the refrigerant line of the indoor unit from being introduced into the outdoor unit when power supply to one or more indoor units is cut off.
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