The DeltaWing Technology Group in Georgia, USA, and DHX Motor worked together to develop a small, lightweight motor for automotive applications. The two companies claim that their motors are 75% smaller than ordinary car motors through engineering improvements in thermal management.
Most high-torque motors, such as those commonly used in electric vehicles, are designed in the thermal management system of the motor housing. Reducing the size of this motor and saving space often results in a torque output during motor use. loss. DHX claims that the design reduces the volume by 75% without reducing the efficiency of thermal management, so that the expected output of the motor remains the same for a large number of uses.
Smaller, lighter motors reduce the weight and size of the car, increasing the efficiency of the vehicle and driving longer.
In an electric motor, most of the heat generated by the windings is generated during use. Air or liquid cooling is typically used to dissipate this heat to the frame of the motor and to the components (not the windings). In the DHX design, the heat exchanger on the windings removes heat and delivers it more efficiently to the enclosure. DHX is called the direct wound heat exchanger (DWHX), which consists of a microchannel that reduces heat resistance by pulling heat away from the coil. This replaces heavy liquid cooling and inefficient air cooling.
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