HEATER WITH INTERMEDIATE HEAT-TRANSFER AGENT Russian patent published in 2000 - IPC

FIELD: electrical and thermal engineering; heat-transfer apparatuses and heaters. SUBSTANCE: heater has sealed case filled at bottom with first (lower) intermediate heat-transfer agent such as insulating fluid PFDT-100 with electric heating element immersed in it. Top part of case is filled with second (upper) heat-transfer agent such as silicone liquid, type 115-262. Case is provided with external vertical ribs and excess pressure valve. Such design provides for effective heat transfer between heating element surface and inner surface of case. EFFECT: reduced size and material input of device. 3 cl, 1 dwg