| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a bathtub where a user feels warm and cold more satisfactorily by improving efficiency in heat exchange of a Peltier element. <P>SOLUTION: The bathtub 1 is heated/cooled with the Peltier element 2 provided on a rear surface. In order to exchange heat on a heat-absorbing side in heating operation of the Peltier element 2 or a heat-radiating side in cooling operation of it with water or hot water, a flow-in piping 5a and a flow-out piping 5b are connected to a heat exchange 4. <P>COPYRIGHT: (C)2007,JPO&INPIT |
