US Patent 8037954 Electric vehicle and vehicle charging system
Patent 8037954 was granted and assigned to Toyota on October, 2011 by the United States Patent and Trademark Office.
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When a current flows through a battery, a resistance loss proportional to the square of the current is produced by an internal resistance component of the current. In a case where the temperature of a heat capacity element is raised, a charging current is controlled such that prescribed thermal energy is provided to the heat capacity element by this resistance loss. Air is induced into a power supply unit through a vehicle compartment air exhaust duct. Then, the thermal energy stored in the heat capacity element is transferred to the air induced into the power supply unit. The air to which the thermal energy has been provided from the heat capacity element is blown out toward a vehicle compartment space by a fan.
US Patent 08037954 Electric vehicle and vehicle charging system US Patent 8037954 Electric vehicle and vehicle charging system
US Patent 08037954 Electric vehicle and vehicle charging system
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