Patent ID: 7216496

Claim:
A heating medium circulating apparatus for causing a heat medium to flow through a heating medium circulating system to control temperature, wherein a temperature controlling object being an object to be temperature-controlled is provided in said heating medium circulating system, said apparatus comprising: a main heat exchanger, provided in said heating medium circulating system, for carrying out main heat exchange with a heating medium; a circulating pump provided in said heating medium circulating system; a sub-heat exchanger, provided in said heating medium circulating system downstream of said main heat exchanger, for controlling a temperature of said heating medium, said sub-heat exchanger using a thermoelectric cooling element; and a storage tank for temporarily storing therein said heating medium; wherein said sub-heat exchanger comprises: a heat exchange passage which is provided in said storage tank and which has a heating medium inlet at one end and a heating medium outlet at the other end; said thermoelectric cooling element, one face of which is bonded to said storage tank; and a heat wasting unit bonded to the other face of said thermoelectric cooling element.