Electric resistance heating devices – Heating devices – With heat storage means
Reexamination Certificate
2006-10-31
2006-10-31
Campbell, Thor S. (Department: 3742)
Electric resistance heating devices
Heating devices
With heat storage means
C392S465000, C062S440000
Reexamination Certificate
active
07130533
ABSTRACT:
The present invention relates to a water heating apparatus having a heat exchanger that has a maximized heat transfer area between a hot water supply tube and a heater so that clean hot water is continuously fed without a time delay. To achieve these objects, a water heating apparatus comprises: a case defining a body; a hot water supply tube having an heat exchanger installed in the case; a heat storage liquid material received in the case; and a heater installed in the case, for heating the heat storage liquid material.
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Kim Ill Shin
Kim Seong Jae
Lee Myung Ryul
Campbell Thor S.
Greenblum & Bernstein P.L.C.
LG Electronics Inc.
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