Electrified vehicle thermal management systems with combinable battery pack and electric drive component cooling circuits

• Main Authors: Mackenzie, Kevin, Katragadda, Sunil, Semel, Ronald Richard
• Format: Patent
• Language: English
• Published: 27.09.2022
• Subjects: ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS INVEHICLES; ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OFTRANSMISSIONS IN VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GASEXHAUST OR FUEL SUPPLY OF PROPULSION UNITS, IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; BASIC ELECTRIC ELEMENTS; ELECTRIC EQUIPMENT OR PROPULSION OF ELECTRICALLY-PROPELLEDVEHICLES; ELECTRICITY; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES, IN GENERAL; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; PERFORMING OPERATIONS; PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY; TRANSPORTING; VEHICLES IN GENERAL

This disclosure details thermal management systems for thermally managing battery packs and other electric drive components of electrified vehicles. An exemplary thermal management system may include a battery cooling circuit and an e-drive cooling circuit. The e-drive cooling circuit may be fluidly connected to the battery cooling circuit by a combination of valves and coolant lines during or in anticipation of certain vehicle conditions, such as high load operating conditions, to augment cooling of electric drive components during the high load operating conditions.