FIELD: heat insulation.
SUBSTANCE: invention relates to means of heat insulation and can be used in refrigeration equipment. The vacuum body includes a support unit configured to preserve the vacuum spatial part. The support unit includes multiple rods continuing in a vertical direction between the first plate element and the second plate element. When the pitch of the rods is a, the modulus of elasticity of the material forming the rod is E, and the radius of the major axis is n, and the radius of the minor axis is m, when the cross-section of the rod has an elliptical shape, the following equation is satisfied:
.
EFFECT: increase in the efficiency of insulation.
21 cl, 11 dwg
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