ELECTRIC WATER HEATER Russian patent published in 1998 - IPC

FIELD: power engineering; decentralized hot-water supply to apartment houses, public and industrial buildings, cottages, and garages. SUBSTANCE: electric water heater has newly arranged components and incorporates two tanks placed one above other and interconnected by two pipes; upper tank has cold-water supply pipe and bottom one, hot-water outlet pipe and heating element placed in its bottom part; hot-water outlet pipe is placed at bottom of lower tank and its outlet end is brought to upper part of this tank. Outlet end of one interconnecting pipe is brought to bottom part of lower tank and placed near heating element; second interconnecting pipe is, essentially, pipe connection provided with valve and placed between bottom of upper tank and top of lower tank. EFFECT: reduced heat loss and, consequently, reduced time taken to attain desired temperature thereby reducing power requirement. 1 dwg