Le Lézard
Classified in: Environment, Transportation, Science and technology
Subjects: ENI, ENP

eBooster® and the Motor Generator Unit Combining Synergies for Future Mobility


AUBURN HILLS, Mich., Oct. 25, 2018 /PRNewswire/ -- The current trend toward 48-volt electrified vehicles is growing as the automotive industry faces two important challenges. Vehicles need to be more efficient to meet stringent emissions regulations even a 48-volt architecture has limited electrical energy storage. Also more electrical power is needed to support added vehicle features. In response to these challenges, BorgWarner presented a smart combination of the company's eBooster® electrically driven compressor and its belted motor generator unit (MGU) on a demonstrator vehicle. Easily integrated into existing propulsion systems, the cost-effective combination provides an ideal solution for 48-volt electrification. Benefits such as improved low speed engine torque in combination with engine downsizing, downspeeding and brake energy recuperation allow for significant fuel efficiency enhancements. On a demonstration vehicle, a heavy pickup truck, the synergy between the components enables energy efficient means to collect regenerated energy and provide added torque, faster engine response, and extended engine off operation among a list of added features.

The combination of BorgWarner's eBooster® electrically driven compressor and the belted motor generator unit (MGU) results in a cost-effective system which provides an ideal solution for 48-volt electrification.

"At BorgWarner, we are constantly working on improving our system technology solutions. The combination of our eBooster technology with the MGU presents an ideal 48volt capable solution for our customers and strengthens our position as a supplier of choice," said Robin Kendrick, President and General Manager, BorgWarner Turbo Systems.

eBooster Electrically Driven Compressor ? Further Downsizing Enabled

BorgWarner's compact eBooster® electrically driven compressor is independent of the exhaust gas flow, as it uses an electric motor to drive the compressor wheel. It provides outstanding low-end torque and can be installed in different locations of the air path with an actively controlled bypass valve next to it. High system efficiency as well as extraordinary power density and improved acceleration time virtually eliminate turbo lag. The technology reduces pumping losses, and ? due to higher low end torque ? allows for the possibility of further downsizing and downspeeding. 

Powerful and Flexible MGU Replaces Conventional Generator

BorgWarner's advanced MGU is usually located within the powertrain architecture to facilitate hybrid functions. Replacing the conventional generator, the more powerful MGU is connected to the engine via a front-end accessory drive. Its position can be varied, depending on the architecture and integration needs. Different available configurations also allow for varying performance characteristics. Capable of adding as well as subtracting torque, the technology captures sufficient regenerative electrical energy to supply the vehicle's electrical loads with additional electrical energy to save fuel. The 48-volt MGU, which has a capability of 25 kW input and output, also provides quick and smooth engine starts. In addition, BorgWarner provides a motor generator with integrated electronics (MGI) which offers multiple electromagnetic variants to meet varying performance requirements.

About BorgWarner

BorgWarner Inc. (NYSE: BWA) is a global product leader in clean and efficient technology solutions for combustion, hybrid and electric vehicles. With manufacturing and technical facilities in 66 locations in 18 countries, the company employs approximately 29,000 worldwide. For more information, please visit borgwarner.com.

Statements in this press release may contain forward-looking statements as contemplated by the 1995 Private Securities Litigation Reform Act that are based on management's current outlook, expectations, estimates and projections. Words such as "anticipates," "believes," "continues," "could," "designed," "effect," "estimates," "evaluates," "expects," "forecasts," "goal," "initiative," "intends," "outlook," "plans," "potential," "project," "pursue," "seek," "should," "target," "when," "would," variations of such words and similar expressions are intended to identify such forward-looking statements. Forward-looking statements are subject to risks and uncertainties, many of which are difficult to predict and generally beyond our control, that could cause actual results to differ materially from those expressed, projected or implied in or by the forward-looking statements. These risks and uncertainties, among others, include: our dependence on automotive and truck production, both of which are highly cyclical; our reliance on major OEM customers; commodities availability and pricing; supply disruptions; fluctuations in interest rates and foreign currency exchange rates; availability of credit; our dependence on key management; our dependence on information systems; the uncertainty of the global economic environment; the outcome of existing or any future legal proceedings, including litigation with respect to various claims; and future changes in laws and regulations in the countries in which we operate, as well as other risks noted in reports that we file with the Securities and Exchange Commission, including the Risk Factors identified in our most recently filed Annual Report on Form 10-K. We do not undertake any obligation to update or announce publicly any updates to or revision to any of the forward-looking statements.

SOURCE BorgWarner


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