Positive temperature coefficient (PTC) rod assembly and PTC heater using the same
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United States of America Patent
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Nov 25, 2014
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N/A
app pub date -
Jun 5, 2009
filing date -
Dec 5, 2008
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Abstract
A positive temperature coefficient (PTC) rod assembly is provided for a PTC heater. PTC elements and an electrode terminal to which an insulator is attached may be retained in a channel-shaped rod cover having an open side so as to be exposed to the outside, and a heat-radiating fin is in direct contact with one surface of the rod cover so as to conduct heat, and another heat-radiating fin may be in direct contact with one surface of the insulator attached to an outer surface of the electrode terminal so as to conduct heat, so that the PTC rod assembly minimizes empty space in an inner space of the rod cover, increases heat transfer efficiency, and is easily manufactured due to a simple structure and reduction in the number of parts.
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