HVAC system with positive temperature coefficient varying along length of heat rod
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United States of America Patent
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Jan 2, 2018
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N/A
app pub date -
Sep 3, 2013
filing date -
Sep 3, 2013
priority date (Note) -
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Abstract
In a first aspect, a vehicle HVAC system includes: a housing that defines at least first and second air conduits to a vehicle interior compartment; and at least first and second heat rods that each traverses the first and second air conduits, wherein a first positive temperature coefficient along a length of the first heat rod is greater at the first air conduit than at the second air conduit, and wherein a second positive temperature coefficient along a length of the second heat rod is greater at the second air conduit than at the first air conduit.
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