GKN expands electric all-wheel drive programme with German automaker
28 November 2016
GKN Driveline has continued its global electric axle (eAxle) drive partnership with the BMW Group, supplying eAxle technology for a plug-in hybrid version of the BMW X1 for the Chinese market.
The system is part of the same scalable family of eAxles used in the plug-in hybrid BMW 2 Series Active Tourer 225xe.
GKN Driveline Chief Executive Officer Phil Swash said: “This latest programme launch for The BMW Group in China shows GKN’s global leadership in electric drive systems. From the i8 sports car to the X1, GKN’s work with the BMW Group reflects our position as the development partner of choice for the new wave of plug-in hybrids with electric AWD.”
Early adopters of GKN’s electric axle drive used the technology to create plug-in hybrid sports cars with electric all-wheel drive that enhanced performance and efficiency. Automakers are now equipping a new generation of compact vehicles with GKN electric drive technology.
Peter Moelgg, Chief Executive of GKN Driveline’s AW&E Drive business, added: “Automakers’ evolving powertrain strategies require suppliers with a focus on mass-production of key technologies – and system integration capability. The combination of our proven driveline innovation experience, all-wheel drive expertise and eAxle production capabilities are making eAWD viable in compact vehicles. GKN’s hardware and software expertise is also supporting the development of future platforms – these will need driveline suppliers to interface effectively with the rest of the vehicle’s electronic architecture.”
The system will be supplied from GKN’s facility in Bruneck, Italy, but application and development work for the technology was conducted by GKN’s operations in Shanghai, China.
For compact car applications, GKN’s single-speed design has a transmission ratio of 12.5:1, reducing the electric motor speed in two stages. The system generates up to 2,000Nm and 70kW of additional torque and power – enough for a vehicle’s pure electric mode to achieve speeds of up to 125km/h and for an all-wheel drive (AWD) mode that accelerates faster than conventional mechanical AWD systems.
The lightweight electric axle weighs just 20.2kg and its compact dimensions facilitate packaging and installation in smaller vehicles. The unit has a length of 457 mm, a width of 229 mm and a height of 259 mm.
When hybrid operation is not required, an electromechanically actuated dog clutch disconnects the e-machine from the driveline, minimising losses at higher vehicle speeds. GKN has also optimised gear and bearing arrangements for optimum efficiency, NVH (noise, vibration and harshness) and durability.
GKN plc is a global engineering group. It has four divisions; GKN Aerospace, GKN Driveline, GKN Powder Metallurgy and GKN Land Systems, which operate in the aerospace, automotive and land systems markets. Over 55,000 people work in GKN companies and joint ventures in more than 30 countries. GKN is listed on the London Stock Exchange (LSE: GKN) and recorded sales of GBP7.7 billion in the year to 31 December 2015.
ABOUT GKN DRIVELINE
GKN Driveline is the world’s leading automotive driveline technology and systems engineer. As a global company serving the world’s leading vehicle manufacturers, GKN Driveline designs, develops, manufactures and integrates an extensive range systems for use in the smallest ultra low-cost car to the most sophisticated and dynamic premium vehicle. As a vehicle optimisation specialist, GKN helps OEMs define the way a vehicle drives whether two wheel drive, all wheel drive, hybrid or pure electric. GKN Driveline is a leading global producer of CVJ Systems, AWD and eDrive Systems and operates in 23 countries at 46 locations employing approximately 25,500 people.
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