HEATING APPLIANCE Russian patent published in 1995 - IPC

FIELD: heating systems of buildings. SUBSTANCE: heating appliance consists of steel tubes for supplying the heat- transfer agent, end finned plates 3 and 4 and center finned plates 5. End finned plates 3 and 4 have larger dimensions as compared with those of center ones. Front ends of plates are provided with contact webs 10 (over entire height of plates) to which front wall is connected. Center plates may be independent. Plates of each tube 1 and 2 are arranged in spaces between plates of adjacent tube. Each center plate may consists of parallel flat sections joined by connector having holes. EFFECT: control of heat transfer of heating appliance with no change in flow rate of heat-transfer agent flowing through heating appliance. 3 cl, 10 dwg