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AssigneeMitsubishi Denki Kabushiki Kaisha
InventorsTakayuki Yoshida, Takashi Gotoh, Tsuneo Yumikura, Michimasa Takeshita, Atsushi Motizuki, Yuji Sueto, Kaoru Ikejima
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A plurality of heat transfer tubes are disposed at certain intervals, in-tube operating fluid (such as coolant) passes therethrough, and a plurality of small-gage wires are used as a heating fin. One small-gage wire is wound at a pair of heat transfer tubes 1a and 1c in a spiral manner, and another small-gage wire is wound at a pair of heat transfer tubes 1b and 1c in the spiral manner, and still another small-gage wire is wound at a pair of heat transfer tubes 1b and 1d in the spiral manner. Thereby, while higher heat transfer coefficient can be achieved, and a heating surface area is ensured, clogging can be avoided even when moisture in air condenses on a surface of a heat exchanger. As a result, it is possible to realize a high-performance and compact heat exchanger used for air conditioning.
In a refrigeration system including a compressor, a condenser, and an evaporator, to circulate a coolant through the compressor, the condenser, and the evaporator,
In an air conditioner including an outdoor machine and an indoor machine connected through piping, to circulate a coolant by a compressor,
Dependencies are inferred from the claim text.