| 摘要 |
A solar energy collector comprises a central metal manifold 10 with five separate glass vacuum vessels 11,12 positioned on opposite sides and offset or staggered, the vessels being sealed to the manifold plate 16 while a continuous metal conduit 13 extends in a zig zag continuous looped path from end to end through all the vessels. This provides continuous vacuum communication between all the vessels and there is no need for vacuum seals where the conduit passes through the manifold except at the two end seals 18,19.
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