TRACTION-ENHANCING SYSTEM FOR VEHICLES

摘要

The present invention relates to vehicle mounted devices (200, 600) for automatically delivering traction enhancing materials (304, 610) proximate one or more wheels (102) of vehicles (100). In a first embodiment the traction enhancing material (304) is deposited by means of an air duct (202) onto which a hopper (300) is mounted, between the hopper (300) and the air duct (202) there being located a valve (312) under control of a control system (400). In a second embodiment traction enhancing pellets (608) are shot in front of the tires (102) by means of compressed gas discharge unit (602). Further, the present invention relates to an automobile comprising a traction enhcancing device (200) according to the first embodiment and to pellets (608) for the device (602) according to the second embodiment. Finally, the present invention also relates to a method of delivering traction enhancing material in combination with an anti-lock brake system wherein the material is deposited through a controlled valve in dependence of the wheel speed of the vehicle.