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Winners at the Le Mans endurance race take Bosch under their hood

Winners at the Le Mans endurance race take Bosch under their hood

Technology News |
By eeNews Europe



Over the past five years, Audi and Peugeot constantly secured the overall victory with diesel engines. In 2012 again, uses equipment from Bosch which includes high-pressure fuel injection pump, injectors, and the high-pressure rail. In addition Bosch Motorsport supplies a customized MS24 engine control unit, starter, generator, wiring harness and telemetry system. During the race, it transmits all relevant vehicle data from the car to the pit. The Audi race cars also feature a new electrically-assisted rack and pinion steering system, developed by Audi Sport in collaboration with Robert Bosch ZF Lenksysteme.

For the Audi R18 e-tron quattro the new Le Mans prototype with hybrid drive, Bosch also supplies the motor-generator unit (MGU) which was custom-designed for use in this vehicle. Installed at the front axle and featuring integrated power electronics, the MGU electrically feeds the recuperated energy into a flywheel during brake. As soon as the driver again kicks down the accelerator pedal, the MGU powers two additional 75 kilowatt motors at the front axle.

Though since 2006 overall victory has been constantly won by diesel cars, there are also gasoline-driven vehicles at the race this year. Ferrari, for example: The Ferrari 458 Italia GTC vehicles in the Le Mans Grand Touring Endurance class (LM-GTE) utilize fuel injection systems based on recent achievements in volume car technology and optimized for the requirements of racing sports. Along with its MS 5.1 engine controller and the HPI 5 high-pressure box, the fuel direct injection system integrates all electronic parts required. The electrically driven HDEV 5 high-pressure solenoid valve is implemented in multi-hole technology. It has been customized according to Ferrari’s specific needs, and the spray pattern has been adapted to the geometry of the motor’s combustion chamber. Also the particularly compact yet lightweight high pressure pump with its sophisticated cam profile comes from Bosch."Hydraulic and electronic components are optimally harmonized for powerful collaboration", explained Bosch Motorsport general manager Klaus Boettcher.

Also inside the cockpit Bosch equipment has its place. For instance, all the Ferrari 485 GTC vehicles utilize a customer specific DDU 8 display from the German vendor. The GT2 Corvette C6.R from Corvette Racing have the MS 5.1 engine control unit under their hood along with the C60 data logger and the new DDU 7 display. All these products are designed particularly for motor sports applications; customer specific software gives all the vehicles their specific performance. After all, each team has its own strategy which is reflected in the software.

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