| 摘要 |
<p>The present invention relates to a hot and cold water mattress and, more specifically, to a hot and cold water mattress which circulates hot and cold water respectively without using an additional pump or an impeller. The present invention comprises a mattress; a pipeline; a hot water container; a heating container; a first valve; first and second controlling valves; a heater; a cooling container; a cooling unit; an atmospheric pressure maintaining unit; a plurality of tubes; a storage; and a control unit.</p> |
