Shower bath economizer

Details Shower bath economizer Shower bath economizer

1981-01-26

1983-02-08

Scott, Samuel

Heat exchange

Structural installation

165109T, 165163, 165DIG12, 237 8R, 4598, F24H 300

Patent

active

043723721

ABSTRACT:
A heat exchanger disposed in the piping of the drain line of a shower bath closet for conducting heat from the spent shower bath water to the water entering the cold water inlet of the shower bath. The heat exchanger has at least two concentric helical coils through which the incoming water flows and over which the spent bath water flows. A central core baffle directs the spent water between the helical coils for good transfer of heat. The spent water preheats the incoming cold water thereby reducing the amount of hot water required from the water heater.

REFERENCES:
patent: 1769265 (1930-07-01), Labus
patent: 2530519 (1950-11-01), Guggenheim
patent: 3946802 (1976-03-01), Christenson
patent: 4150787 (1979-04-01), Braathen
patent: 4300247 (1981-11-01), Berg
patent: 4304292 (1981-12-01), Cardone et al.

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