发明授权
US4284069A Wall element comprising a solar collector which is disposed between two transparent panes 失效
壁元件包括设置在两个透明窗玻璃之间的太阳能收集器

Wall element comprising a solar collector which is disposed between two
transparent panes
摘要:
A wall element, comprising a solar collector which is arranged between two panes and which comprises a number of rotatable absorber plates. One side of the absorber plates is provided with a non-selective black coating and the other side is provided with a selective, heat-reflective layer. The absorber plates are accommodated in evacuated, transparent tubes.
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