To prevent condensation of water vapor in a connection pipe portion connecting an evaporator 1 and an adsorption heat exchanger 3, or the adsorption heat exchanger 3 and a condenser 2.
The adsorption heat exchanger 3 includes a water vapor flowing-in portion 36 projecting from the adsorption heat exchanger 3 to be connected with an evaporator-side valve 5, and includes a heating means 40 for heating the water vapor flowing-in portion 36. Thus the water vapor flowing-in portion 36 connecting the evaporator-side valve 5 and the adsorption heat exchanger 3 and having the most effect on performance, that is, a pipe part at a side near the adsorption heat exchanger 3 from a part partitioned by the evaporator-side valve 5 is heated, the water vapor is prevented from condensing to be water droplets in the pipe part, and degradation of performance can be prevented.
COPYRIGHT: (C)2009,JPO&INPIT
Satoshi Inoue
Hiroshi Saegusa
Seiji Inoue
Tanaka Osamu
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Taihei Nonobe