Fluid heating device and heating medium passing roller device using the same
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United States of America Patent
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Issued Date -
May 10, 2007
app pub date -
Oct 24, 2006
filing date -
Nov 4, 2005
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A fluid heating device is arranged on a fluid circulating path in e.g. a heating medium passing roller device and heats fluid flowing through the fluid circulating path. In this fluid heating device, a secondary coil 3 of a transformer configuration having a primary coil 2 and the secondary coil 3 which are wound around a closed magnetic circuit iron core 1 is formed by winding a conductor made of e.g. SUS having a through-hole for passing circulating fluid. Both ends of the secondary coil 3 are electrically short-circuited to each other. The heat of the secondary coil 3 generated owing to the short-circuiting is conducted to the fluid flowing through the through-hole of the secondary coil 3.
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