Device for investigating loss of frictional power, for checking out aquaplaning, braking conditions and rolling
A hollow drum (1) on a horizontal axle (13) has a circumferential groove, which is covered with dust, grit or liquid, on its inner surface and a pickup device in its hollow space. The drum is set going, so that a vehicle tire rolls with its surface (12) touching the bottom of the groove. An enclosed...
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| Format: | Patent |
| Sprache: | eng ; ger |
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| Zusammenfassung: | A hollow drum (1) on a horizontal axle (13) has a circumferential groove, which is covered with dust, grit or liquid, on its inner surface and a pickup device in its hollow space. The drum is set going, so that a vehicle tire rolls with its surface (12) touching the bottom of the groove. An enclosed wall stretches radially inwards across its entire circumference, forming a tread channel for picking up material to determine a vehicle's status. An Independent claim is also given for a method for using the device. |
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