Samuel Vincent DUPLESSIS - Louisville KY, US Mark MOTYKA - LaGrange KY, US Jonathan D. NELSON - Louisville KY, US Gregory M. THOMAS - Louisville KY, US Craig TSAI - Louisville KY, US
International Classification:
F28D 15/00 B21D 53/02
US Classification:
122 1301, 165177, 2989007
Abstract:
A water heater comprises a tank, a cylinder coil section and a return-flow coil section. The cylinder coil section is in a heat transfer relationship with the tank and encircles a first portion of the tank. The return-flow coil section is in a heat transfer relationship with the tank and encircles a second portion of the tank. The cylinder coil section and the return-flow coil section are continuous over at least the first and second portions of the tank.