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KSPG Touts New Heating System for Hybrids and EVs
KSPG AG says its new heat pump-based thermal management system teamed with “smart” controls can extend the driving range of electrified vehicles by significantly reducing energy consumption during heating and cooling operations.
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KSPG AG says its new heat pump-based thermal management system with “smart” controls can extend the driving range of electrified vehicles by significantly reducing energy consumption during heating and cooling operations. Bosch and other companies are developing similar systems.
KSPG notes that the energy demands of battery-driven resistance-type heaters in current electric vehicles can reduce range by more than 50%. Recent tests with KSPG’s heater/cooler module fitted in a small EV at temperatures as low as -7˚C improved mileage as much as 40%, the company says.
The heat pump system redirects heat generated from various components to warm the passenger compartment. In an EV, that means heat from the batteries, drive motors, generators and power supplies. Hybrid vehicles also can tap into heat from the internal combustion engine.
The process is reversible, KSPG notes, which allows the new module to supply cooled air for air-conditioning systems.
KSPG says the compact heater/cooler module can be integrated into existing vehicle architectures and HVAC systems by connecting the four supply lines of the secondary circuit and power supply. The integrated design and sealed refrigerant circuit also minimize refrigerant losses, according to the supplier.
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