SOLAR HEAT COLLECTOR Russian patent published in 1999 - IPC

FIELD: coolant-heating solar collectors. SUBSTANCE: collector has sealed body 1, transparent coating 2, absorbing surface built up of absorbing tubes 9 arranged in body on same plane and provided with two parallel ducts 10 for passing coolant, and heat insulation 14 under it. Coolant passing ducts 10 are arranged along larger sides of body 4, larger-diameter tubes 11 are mounted along smaller sides and they communicate with absorbing tubes 9 and with coolant passing ducts 10; absorbing surface is formed by mentioned tubes 9, ducts 10, and strips 6 placed between them; body is sealed by means of packing 5 fitted between body and transparent coating 2. EFFECT: simplified design, improved absorbing capacity. 4 dwg