Traction battery cooling system for an electrified vehicle
AssigneeFord Global Technologies, LLC
InventorsAngel Fernando Porras, Timothy Noah Blatchley, Mark G. Smith, Brett Allen Dunn
Life of this patent
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Abstract
A cooling system is provided for a traction battery of an electrified motor vehicle. That cooling system includes a cooling circuit, a refrigerant circuit, a plurality of flow control valves and a control system. That control system includes a controller configured to (a) control operation of the plurality of flow control valves and (b) prioritize cabin cooling over traction battery cooling.
Claims20
A cooling system for an electrified motor vehicle, comprising:
- a coolant circuit circulating coolant between a traction battery and either a battery radiator or a chiller;
- a refrigerant circuit circulating refrigerant between a compressor, a condenser and either a first evaporator or said chiller;
- a plurality of flow control valves in said coolant circuit and said refrigerant circuit;
- and
- a control system including a controller configured to (a) control operation of said plurality of flow control valves and (b) prioritize cabin cooling over traction battery cooling based upon HVAC load and evaporator error.
A method of controlling traction battery cooling while limiting temperature swings of conditioned air discharged into a cabin of an electrified motor vehicle, comprising:
- monitoring, by a first device, ambient air temperature;
- monitoring, by a second device, HVAC blower speed;
- monitoring, by a third device, evaporator temperature;
- and
- prioritizing, by a controller, cabin cooling over traction battery cooling based upon HVAC load and evaporator error.
Dependencies are inferred from the claim text.