HVAC and Battery Thermal Management for a Vehicle

A HVAC and battery thermal system and method for a vehicle having a passenger cabin and a battery pack is disclosed. The system may comprise a refrigerant loop and a coolant loop. The refrigerant loop includes a first leg and a second leg, the first leg including an expansion device and an evaporato...

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Bibliographische Detailangaben
Hauptverfasser:	IBRI WISSAM, STANKE EDWIN J, SINGH KUL WINDER, MARTINCHICK MATTHEW J, NEMESH MARK D
Format:	Patent
Sprache:	eng
Schlagworte:	ARRANGEMENTS OR ADAPTATIONS OF HEATING, COOLING, VENTILATING,OR OTHER AIR-TREATING DEVICES SPECIALLY FOR PASSENGER OR GOODSSPACES OF VEHICLES BLASTING COLD ROOMS COMBINED HEATING AND REFRIGERATION SYSTEMS COOLING OR FREEZING APPARATUS NOT COVERED BY ANY OTHERSUBCLASS HEAT PUMP SYSTEMS HEATING ICE-BOXES LIGHTING LIQUEFACTION SOLIDIFICATION OF GASES MANUFACTURE OR STORAGE OF ICE MEASURING MEASURING QUANTITY OF HEAT MEASURING TEMPERATURE MECHANICAL ENGINEERING PERFORMING OPERATIONS PHYSICS REFRIGERATION OR COOLING REFRIGERATORS TESTING THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR TRANSPORTING VEHICLES IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	A HVAC and battery thermal system and method for a vehicle having a passenger cabin and a battery pack is disclosed. The system may comprise a refrigerant loop and a coolant loop. The refrigerant loop includes a first leg and a second leg, the first leg including an expansion device and an evaporator, and the second leg including an expansion device and a chiller. The coolant loop directs coolant through the battery pack and includes a controllable coolant routing valve, a bypass branch and a chiller branch, with the chiller in the chiller branch. The coolant routing valve has a bypass outlet that directs the coolant into the bypass branch and a chiller outlet that directs the coolant into the chiller branch. The coolant loop may also include a radiator branch and battery radiator, with the coolant routing valve including a radiator outlet that directs the coolant into the radiator branch.