ACCUMULATING BOILER Russian patent published in 2017 - IPC F24H1/20 F24H1/22 F24H9/00 A47J31/54 

FIELD: heating system.

SUBSTANCE: boiler (1; 1a) having one water inlet element (22) and one water outlet element (20), the water heating boiler (1; 1a) comprising: a tank-type water heater having a water tank (2) with an element for water inlet forming one water inlet element (22) of the boiler (1; 1a) and a water discharge element (19) and a first heater (25) located in the water tank (2) for water heating, contained in it, to the first temperature (T1) and to maintain it at the first temperature. The boiler further comprises a flowing water heater disposed in a tank (2) for the water of a tank-type water heater and comprising a hollow body (9) with a water inlet element (19; 19, 39, 38) fluidly connected to the discharge element (19) into water tank (2), and water discharge element forming one element (20) to the water discharge of the boiler (1; 1A) (1), and a second heater (17) installed in the hollow body (9) and selectively actuated for heating water passing through it to the second temperature (T2), exceeding the first temperature (T1).

EFFECT: increased efficiency.

8 cl, 3 dwg