Ferrari patents thermoelectric turbocharging technology

Ferrari has filed a patent for a novel turbocharging method that uses electricity to cool intake air before it enters the compressor. The system utilizes Peltier cells—thermoelectric devices that transfer heat when powered by an electric current—integrated into the turbocharger's intake duct.

In traditional turbocharged engines, compressing air increases its temperature, which reduces air density and can lead to engine knocking. While most vehicles use an intercooler to cool the air after compression, Ferrari’s proposal aims to lower the temperature beforehand. This approach could potentially allow for smaller, lighter intercoolers, reducing overall vehicle weight and engine bay bulk.

The patent, which stems from an Italian filing and was published in the United States, describes a tubular structure with radial walls equipped with Peltier cells. While the technology is already used in small portable refrigerators and computer cooling, its application in high-performance automotive engines is a new concept. The primary technical challenge remains determining the energy efficiency required to achieve significant cooling under extreme operating conditions.