Vacuum super insulation
In the 1980s Messerschmitt-Bölkow-Blohm (MBB) in Bremen developed a new product family called Vacuum Super Isolation ( VSI ) , which had its origins in space technology. The basic idea was to use a high vacuum ( p ≈ 0.1 Pa ), as it exists in space, to create vacuum thermal insulation that insulates both cold and heat. The materials used were stainless steel and environmentally friendly support minerals.
Product lines
Several VSI product lines have been developed:
- VSI containers: These include thermos flasks made of stainless steel, Dewar flasks and large containers (e.g. ERNO vacuum super-insulated hybrid heat accumulator type HWS-78 / type HWS-52 with 450 liters each) as heat accumulators. Example: The VSI steel thermos bottle, invented by ERNO as a vacuum super-insulation container (VSI) in Bremen.
- VSI pipes: These include thin cold pipes (NW 100–200 mm) and thicker heat pipes (NW 500 mm, 12 meters long)
- VSI flat panels: These include flat panels that are suitable for insulating truck refrigerated trucks, refrigerators and cold stores. These elements are also offered as vacuum insulation panels (vacuum insulation panels) for thermal insulation of buildings.
- VSI fittings: These are insulation panels of any shape. Such were z. B. installed as insulation in the European transonic wind tunnel (ETW) in Cologne.