| 摘要 |
To degas a vacuum vessel, in particular the insulating space (20) formed between an inner shell (12), enclosing an accumulator core, of a heat accumulator, in particular a latent heat accumulator for motor vehicle heaters fed by engine exhaust heat, and an outer shell (18) surrounding this at a distance, the surfaces of the vessel wall (12, 18) facing towards the insulating space (20) are briefly exposed to a temperature lying substantially above the maximum temperature permitted for the accumulator core. <IMAGE>
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