Vacuum Insulation
 
SOLARUSES

Due to the atmospheric pressure and the technical problems related to the sealing of the collector casing, the construction of an evacuated flat-plate collector is extremely difficult. To overcome the enormous atmospheric pressure, many internal supports for the transparent cover pane must be introduced. However, the problems of an effective high vacuum system with reasonable production costs remain so far unsolved.

 

The vacuum in the glass tube, being the best possible insulation for a solar collector, suppresses heat losses and also protects the absorber plate and the "heat-pipe" from external adverse conditions. This results in exceptional performance far superior to any other type of solar collector.

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