HEAT EXCHANGE APPARATUS Russian patent published in 1998 - IPC

FIELD: heating of industrial residential locations; control of heat load in evaporator-condenser system. SUBSTANCE: heat exchange apparatus has heat tube including evaporator 4 partially filled with intermediate heat transfer agent condenser 2 arranged higher than evaporator and additional reservoir 5 partially filled with intermediate heat transfer agent connected with heat tube by branch pipe 6 one end of which is hermetically connected with condenser 2 and the other, free end, is arranged in additional reservoir 5 below the level of intermediate heat transfer agent. Additional reservoir 5 has hole 7 in its upper part to communicate with atmosphere. EFFECT: enhanced control of heat load. 1 dwg