FIELD: heat supply systems.
SUBSTANCE: heating device comprises hollow pressure-tight evacuated housing of the panel radiator made of two shaped steel welded sheets that form inner space of the radiator panel filled with antifreeze and copper pipe passing in the bottom section of the space.
EFFECT: enhanced efficiency and reliability.
1 cl, 4 dwg
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Authors
Dates
2008-04-20—Published
2006-05-11—Filed