LIQUID-HEATING BOILER
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United States of America Patent
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Issued Date -
Aug 1, 2013
app pub date -
Apr 27, 2011
filing date -
Apr 27, 2010
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A boiler for heating a liquid, in particular water, and having at least one module in turn having a cylindrical conduit closed at the ends by two caps and fitted through with an electric resistor, which defines an annular channel between itself and the conduit, and is fitted in fluidtight manner to each cap and to the inner surface of the conduit by a respective single seal; the conduit having a tubular inlet fitting and tubular outlet fitting, which are located close to the opposite axial ends of the annular channel, are independent of the caps, and have respective channels extending radially with respect to and communicating with the annular channel; the tubular inlet and outlet fittings being complementary in shape.
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