Patent ID: 6945065
Filing Date: 2005-09-20
Classification: F24F,F25B,Y02B

Abstract:
1. A cooling/heating system of air conditioner comprising: a duct having a first passage that draws external air, and a second passage that draws room air, the second passage having a part crossed with the first passage; a regenerative heat exchanger having first and second flow passages in the crossed part of the first and second passages for indirect heat exchange between the external air and the room air; a case connected to the first and second passages of the duct having first and second outlets that draw/discharge external and room air; first and second fans that draw in the external air and the room air into the case through the first and second passages, and draw the external air and the room air through the first and second outlets; and first and second heat exchangers for heat exchange with the external air and the room air discharge through the first and second outlets, wherein the case comprises first and second spaces formed therein divided with a semipermeable membrane for permeation of moisture only, the first and second spaces being filled with desiccant; and first and second pumping systems connected between upper parts and lower parts of the spaces that pump the desiccant to the upper parts of the spaces, respectively.