As a global product leader in clean and efficient technologies, BorgWarner drives innovation by electrifying its boosting technologies. Equipped with high-performance electric motors, the company’s cutting-edge solutions developed for 12V, 48V and high-voltage vehicles offer fast time-to-torque for a fun-to-drive experience while enabling improved fuel efficiency and reducing emissions. Some of the systems are also capable of recovering energy for additional efficiency benefits.
BorgWarner’s eBooster® electrically driven compressor supplements conventional turbocharging systems. Placed either upstream or downstream of the regular turbocharger, the eBooster solution improves boost pressure and transient engine response at low engine speeds. In doing so, the technology virtually eliminates turbo lag.The eBooster® permits the development of small and efficient high-performance turbocharged engines whose dynamic response matches that of large non-supercharged engines of the same output class. The superiority of the eBooster® was impressively demonstrated in close cooperation with various customers for gasoline engines as well as for diesel engines.
Equipped with an ultra-high-speed electric motor, BorgWarner’s next milestone in boosting technologies, the electrically assisted turbocharger eTurboTM, can either enhance performance by adding torque to the turbine shaft or generate electrical energy from the exhaust gas flow.
BorgWarner’s water-cooled eBooster® electrically driven compressor for commercial vehicles provides engine boost pressure whenever the turbocharger turbine can’t. With a maximum speed of 100,000 rpm, the eBooster offers a continuous power of 10kW and peaks at 23 kW.
As a single-machine solution for electrified boost, assistance and recuperation, BorgWarner’s eTurboTM is capable of converting exhaust energy to electrical energy. In addition, the solution offers increased torque at low engine speeds and improves time-to-torque.
Even though modern turbocharged combustion engines are remarkably efficient, useful energy can still be found in the exhaust gas flow. Positioned downstream of the aftertreatment system, BorgWarner’s turbine-driven, water-cooled generator eTurbocompound uses the remaining waste heat to generate electrical energy.
To make use of fuel energy wasted as heat during the combustion process, BorgWarner developed the Organic Rankine Cycle (ORC) waste heat recovery system. Combining multiple technologies such as a heat exchanger within an optimized overall package, the ORC generates electrical power while recovering about 50 percent of the energy wasted as heat.