SELF-CONTROLLABLE ELECTRIC HEATER Russian patent published in 1997 - IPC

FIELD: heating systems and hot water supply system for living and industrial buildings. SUBSTANCE: electric heater includes hermetic housing 1 with inlet branch pipe 2 and outlet branch pipe 3, electrodes 7, damper 9, wall 4 with cover 5 forming chamber 6 inside housing where electrodes 7 are arranged and passage 8 together with housing 1 which is used to connect branch pipes, thus ensuring self-control of power by temperature of liquid being preheated without special electromechanical regulators. EFFECT: enhanced efficiency. 2 cl, 1 dwg