| 摘要 |
A removable heat inducer may be used in either a heated regulator or a fluid heater. The removable heat inducer has various embodiments. In one embodiment, helical threads are formed on the outside surface of the inducer. The inducer expands when heated causing the crest of the threads to come into contact with the inside surface of a heating chamber to form a spiral fluid passageway which promotes better heat exchange between the fluid and the heating element. In a first alternative embodiment of the inducer, a series of walled partitions and slots are formed on the outside surface of the inducer, which likewise expand and contact the inside surface of the heating chamber to form a dead head flow passageway. Again, the purpose of the passageway is to promote efficient heat exchange. In a second alternative embodiment of the removable heat inducer, a plurality of rods are placed in the heating chamber to promote heat exchange. The spaces between the rods form passageways for the fluid. The removable heat inducer may be used in a heated regulator or a fluid heater.
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