Electric resistance heating devices – Heating devices – Tank or container type liquid heater
Patent
1992-10-20
1994-03-29
Bartis, Anthony
Electric resistance heating devices
Heating devices
Tank or container type liquid heater
122 131, 122494, 126361, 126374, 220444, 220902, 392451, H05B 102, F24H 120, F24H 900, F22B 3736
Patent
active
052992802
ABSTRACT:
An electric water heater tank defines a water chamber having an electrical component extending outwardly of the outer surface of the tank. A spaced outer jacket surrounds the tank and has a opening affording access to the component. A protective dam in the opening bridges the gap between the tank and jacket in surrounding relationship to the component and is covered by a cap extending over the component and engaging the dam. Electrical wires connected to the component extend outwardly of the jacket between the cap and dam. A door covers the cap and dam and is secured to the jacket such that the door engages the cap to force the dam into sealing engagement with the jacket and tank. Foam thermal insulation material fills the space between the jacket and the outer surface of the tank.
REFERENCES:
patent: 3253731 (1966-05-01), Fink et al.
patent: 3626151 (1971-12-01), Them
patent: 5005531 (1991-04-01), Nelson
patent: 5052346 (1991-10-01), Beck
patent: 5163119 (1992-11-01), Windom
AOS Holding Company
Bartis Anthony
Lowe, Jr. James Earl
Price David R.
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