THERMAL TUBE Russian patent published in 1997 - IPC

FIELD: heating appliances; heating systems. SUBSTANCE: thermal tube is partially filled heat-transfer agent 1, for example with water. It has tight evacuated housing 2 with evaporation zone 3 and condensation zone 4. Housing is made from dielectric material and is provided with surrounding protective casing 5 on its outside. Housing 2 is provided with base 6 at its end in evaporation zone. Secured in base 6 are twin electrodes made in form of coal tubes 7 and 8 located along housing or in form of plates parallel to housing axis. At end in condensation zone housing 2 is closed with sealing plug 14 which is fitted in course of evacuation; container 15 with getter 16 may be mounted on this plug. EFFECT: enhanced operational and economical efficiency; simplified construction; facilitated manufacture; ease in handling. 10 cl, 3 dwg