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Valeo equips wiper system with synchronous motor direct drive

September 13, 2010 | Christoph Hammerschmidt | 222901073
Automotive supplier Valeo has developed a windscreen wiper system driven by synchronous motors, doing away with rods and other mechanical linkages. The system significantly increases integration and production flexibility, the vendor claims.

Doing away with mechanical linkages helps car designers to save space and weight – according to Valeo the system is up to 30 percent lighter. This corresponds to emission reduction of 0.17 grams CO2 per kilometer. In addition, it helps to improve the safety in collisions with pedestrians, since it can be placed at the edge of the windscreen instead the center. Wiping effect and speed can be adjusted by direct electronic control.

According to Valeo, the first vehicle with this feature is the Mercedes-Benz SLS AMG where two synchronous motors are replacing earlier designs with just one DC motor but complex mechanics.

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