PTC heating unit suitable for use in motor vehicles
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United States of America Patent
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Jul 15, 2008
Grant Date -
Jun 23, 2005
app pub date -
Oct 7, 2004
filing date -
Oct 7, 2003
priority date (Note) -
Expired
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Abstract
A heating unit having a PTC element, in particular for a motor vehicle, with corrugated fins (6) arranged around the PTC element (2) for improved transfer of heat to air flowing through the heating unit. The heating unit has a plastic frame (7) which is of two-part design.
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