HEAT-TRANSFER APPARATUS FOR CREATING ARTIFICIAL INDOOR CLIMATE Russian patent published in 1998 - IPC

FIELD: heating and cooling systems for indoor locations. SUBSTANCE: apparatus has radiator built up of pressed aluminum alloy tubes and T-pieces brought into tube channels and joined together through bayonet joint by means of pipe connections to form distributing manifolds. Each T-piece has annular groove on external surface of vertical section with upper seal and circular thrust stop engageable with end of respective tube of curved conical profile. EFFECT: facilitated, high- precision, and reliable assembly of radiator. 10 cl, 11 dwg