| 摘要 |
The present invention relates to a system for dynamometer testing of motor vehicles, said system including a cooling device for a braking device and/or a power-generating means, and having power-absorbing means for absorbing a power applied thereto by power-generating means, the cooling device including a fan arrangement for producing an air stream, said air stream being intended to be directed towards the braking device and/or the power-generating means and/or a heat exchanger for providing a cooling effect. The fan arrangement includes two fans, which are substantially axially aligned, and the cooling device includes means for rotating the fans in opposite directions relative to each other. The present invention also relates to a method for cooling power-generating means or power-absorbing means in a system for dynamometer testing of motor vehicles.
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