PURPOSE: A turn-fin condenser with the improved heat exchange efficiency is provided to improve the heat exchange efficiency in a limited space in which the condenser is installed by bending a turn-fin tube as a roll.;CONSTITUTION: A turn-fin condenser with the improved heat exchange efficiency comprises a turn-fin tube(100). The turn-fin tube is firstly bent to meet with the longitudinal direction at a right angle as serpentine shape. The turn-fin tube is secondly bent as a roll type of square. In the second bending, the turn-fin tube has more than three times roll from the center part of the roll shape.;COPYRIGHT KIPO 2010
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