SOLAR WATER HEATER Russian patent published in 2015 - IPC F24J2/04 

FIELD: heating.

SUBSTANCE: solar water heater includes a housing inside which a tank painted black and provided with supply and discharge water branch pipes is arranged. A water heater is located vertically. The housing is transparent. The water tank is formed with surfaces of two coaxially located cylinders, a cover plate and a bottom. A spiral-shaped insert is located inside the tank. An internal hollow cylinder with an open upper end is elongated and has holes located inside the housing under the tank bottom.

EFFECT: improving efficiency of a water heater due to reducing water heating time and providing ease of its use.

2 dwg