A vehicle seat includes a thermal comfort system including an air duct in a foam cushion, a thermoelectric device, a heat sink extending inside the air duct from the thermoelectric device, and an air mover that causes air to flow from the passenger cabin, through the seating surface, along the air duct and heat sink, and back out of the seat. In a cooling mode, air flowing along air duct absorbs heat from one side of the thermoelectric device via the heat sink while the opposite side of the thermoelectric device absorbs heat from the trim cover via thermal conduction. The air duct can be shaped to position the thermoelectric device near the seating surface for enhanced conductive energy exchange without the need for uncomfortable rigid ductwork.
VEHICLE SEAT WITH SERPENTINE AIR FLOW CHANNEL
2019-11-14
Patent
Electronic Resource
English
IPC: | B60N SEATS SPECIALLY ADAPTED FOR VEHICLES , Sitze besonders für Fahrzeuge ausgebildet / B60H ARRANGEMENTS OR ADAPTATIONS OF HEATING, COOLING, VENTILATING, OR OTHER AIR-TREATING DEVICES SPECIALLY FOR PASSENGER OR GOODS SPACES OF VEHICLES , Anordnung oder Einbau der Heizung, Kühlung, Lüftung oder anderer Luftbehandlungsvorrichtungen für die Fahrzeugräume für Reisende oder Fracht |
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