Electric heating – Heating devices – Combined with container – enclosure – or support for material...
Patent
1985-05-20
1988-02-16
Bartis, Anthony
Electric heating
Heating devices
Combined with container, enclosure, or support for material...
219301, 219328, 219499, 219505, 219511, 2221465, 236 68B, 239133, 239139, 338 23, 374134, 374185, H05B 102, B67D 562, F24H 110, F16L 5300
Patent
active
047257130
ABSTRACT:
A system for electrically heating a hose of the type used to transport one or more fluid components from a remote location to a point of application includes at least one fluid conduit and an electric heating element enclosed within a thermal insulation blanket to form a hose construction having predetermined heat transfer characteristics. A remotely positioned module enclosed in a thermal insulation blanket and containing an electric heater and temperature sensor provides a hose simulator having heat transfer characteristics substantially identical to that of the hose. An electrical power drive circuit connected in parallel to the hose heating element and the module heater is controlled by a temperature control circuit responsive to the temperature sensed within the module by the temperature sensor. The temperature control circuit is further responsive to an ambient temperature sensor physically separated from the hose and module.
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Bartis Anthony
Graco Inc.
Sjoquist Paul L.
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