Hot water heater

Details Hot water heater Hot water heater

1994-10-24

1996-07-23

Bennett, Henry A.

Liquid heaters and vaporizers

Stand boiler

122249, 122332, 126350R, 126373, F22B 500

Patent

active

055379559

ABSTRACT:
A hot water heater including a housing, a plurality of heat exchanging devices connected in series and disposed inside the housing at different elevations, a heat source disposed inside the housing at the bottom and controlled to heat water in the heat exchanging devices, a cold water pipe connected to the heat exchanging device at the topmost elevation to guide cold water through the heat exchanging devices, a hot water pipe connected to the heat exchanging device at the lowest elevation to guide hot water out of the heat exchanging devices, the heat exchanging devices having vertical air ducts for guiding hot air through the heat exchanging devices, the air ducts of one heat exchanging device at a higher elevation being not vertically in alignment with that of a next heat exchanging device at a lower elevation.

REFERENCES:
patent: 1803081 (1931-04-01), Uhle et al.
patent: 2537497 (1951-01-01), Weaver
patent: 4632066 (1986-12-01), Kideys
patent: 4714050 (1987-12-01), Nichols
patent: 4947983 (1990-09-01), Jost
patent: 5228413 (1993-07-01), Tam
patent: 5357907 (1994-10-01), Moore, Jr. et al.

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