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US 10,118,463 B2Granted
HVAC system with positive temperature coefficient varying along length of heat rod
AssigneeTesla, Inc.
InventorsVincent G. Johnston, Curt R. O'Donnell
Life of this patent
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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.
Claims13
A vehicle HVAC system comprising:
- 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 traverse 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.
Dependencies are inferred from the claim text.