US Patent 7950735 Temperature controlled vehicle seats

A seat temperature control system having a temperature controlled seat for use in a vehicle is disclosed. The temperature controlled seat may comprise a seat bottom, a seat back and an air conditioning system. The seat bottom includes a bottom heat exchanger fluid coil configured to direct a cooling fluid therethrough from a bottom inlet end to a bottom outlet end. The seat back includes a back heat exchanger fluid coil configured to direct the cooling fluid therethrough from a back inlet end to a back outlet end. The air conditioning system includes a coils inlet line in fluid communication with the bottom inlet end and the back inlet end, and a coils outlet line in fluid communication with the bottom outlet end and the back outlet end. The air conditioning system provides cooling fluid to the coils and receives cooling fluid from the coils.