摘要 |
<p>The heat store (1) is connected by a thermal transfer device to a heat or cold tank (3). The transfer device is a heat duct (2) which is unidirectional. This transfers heat from an outer end to the tank, the other end is also connected to the tank. The heat duct is vertical and has a wick (21a,21b) which is severed near the connection between the iside and outside of the tank. The heat duct has irregularities formed on its inner wall.</p> |