"SYSUN-STEPNOV" WASHING SUN-LIGHT UNIT Russian patent published in 2001 - IPC

FIELD: washing sun-light units. SUBSTANCE: washing sun-light unit has a tank filled with water consisting of two compartments interconnected near the tank bottom by one or several channels for laminar water flow. One of the tank compartments is encased for warmth-keeping, covered by optically transparent insulation, and a floating pan is installed in it with a blackened inner surface of the bottom facing the sun, installed on the external surface of it engageable with water is the inlet end of the hose, whose opposite end is conjugate to one of the outlet connections of the tank and hydrants. The compartments with cold water and water warmed up by the energy of sun radiation may be made in the form of self-contained tank compartments installed at the same level, interconnected near the bottom by tubular channels and provided with outlet connections interconnected through hydrants with T-joints - water mixers and shut-off valves. EFFECT: improved operating characteristics, enhanced convenience in use, quick production of hot water, separate consumption of hot and cold water with regulated temperature. 4 cl, 3 dwg