Powertrain Innovations from AAM
American Axle & Manufacturing makes SUVs and crossovers significantly more efficient with its EcoTrac disconnecting all-wheel-drive system, says David Crecelius, director of product engineering-electrification.
American Axle & Manufacturing is making SUVs and crossovers significantly more efficient with its EcoTrac disconnecting all-wheel-drive system, says David Crecelius, director of product engineering-electrification.
EcoTrac reduces system drag as much as 90% compared with simple mechanical awd systems, thanks to sensors and proprietary software used to monitor and analyze road conditions. The system decouples rotating driveline components when they’re not needed.
AAM also has debuted its first electric drive system in the Jaguar i-Pace electric SUV. The technology features an exceptionally power-dense design with separate, 150-kW drive units on the front and rear axles, Crecelius adds.
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Hyundai enters the American market with a new parallel hybrid system that uses lithium-polymer batteries and the same six-speed automatic found in non-hybrid versions of the 2011 Sonata.
Although the term “continuous improvement” is generally associated with another company, Honda is certainly pursuing that approach, as is evidenced by the Accord, which is now in its ninth generation.
By James Gaffney, Product Engineer, Precision Grinding and Patrick D. Redington, Manager, Precision Grinding Business Unit, Norton Company (Worcester, MA)