Fluid heating system
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United States of America Patent
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-
Apr 17, 2007
Grant Date -
Apr 27, 2006
app pub date -
Aug 19, 2005
filing date -
Aug 24, 2004
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A fluid heating system includes a fluid supply conduit, a hot fluid conduit, and a fluid heating tube assembly. The fluid heating tube assembly includes an inlet coupling coupled to the fluid supply conduit, an outlet coupling coupled to the hot fluid conduit, and at least one fluid heating tube coupled between the inlet coupling and the outlet coupling. The at least one fluid heating tube includes a tube formed of heat conducting material, a dielectric coating permanently bonded on an outer surface of the tube, and a resistive layer permanently bonded on the dielectric coating. A power distributor is coupled to the fluid heating tube assembly and coupleable to a power source. A switch is coupled between the power distributor and the fluid heating tube assembly to control current flow from the power distributor to the at least one fluid heating tube.
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