Rolling test bed for testing motor vehicles or tires under different weather conditions, has double walled rollers through which coolant can flow, together with snow or water jets and hot air jets for surface condition control

摘要

Rolling test bed for motor vehicles or tires has one or more double-walled rolling drums with a coolant flowing through the space between the double walls. The test bed also has a water spray or snow generation plant for spraying the rolling track, a hot air blower for blowing on the track and a porous water absorbing coating on the rollers.