FIELD: electrical engineering.
SUBSTANCE: invention relates to operating on electricity and suitable to dynamic evacuation device. Device includes suitable to evacuation throughout the volume area and a useful area with temperature control thermally isolated from the ambient temperature by means of suitable to evacuation throughout the volume area. Device also comprises a means for active vacuum maintenance, so that pressure in suitable to evacuation throughout the volume area of the device over a period of time permanently resides in a predetermined range. Suitable to evacuation throughout the volume area makes at least 20 vol%. of the total volume, which in the device is engaged by a porous and/or cellular thermoisolating material, and contains at least one organic aerogel and/or an organic xerogel.
EFFECT: technical result is reduction of time of creating a specified difference in pressure in the device.
16 cl, 2 ex, 3 tbl
| Title | Year | Author | Number |
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| METHOD FOR OBTAINING AEROGELS OR XEROGELS | 2011 |
|
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| METHOD OF PRODUCING POLYUREA-BASED POROUS MATERIALS | 2011 |
|
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| FUNCTIONALIZING POROUS MATERIALS BASED ON ISOCYANATE | 2016 |
|
RU2677891C1 |
| (SUPER)HYDROPHOBIC ISOCYANATE-BASED POROUS MATERIALS | 2016 |
|
RU2709274C1 |
