MACHINE FOR TREATING ROADWAY SURFACE Russian patent published in 2000 - IPC

FIELD: municipal machinery and equipment. SUBSTANCE: machine has chassis with power unit, body for sand and salt mixture with conveyor in its bottom part. Bottom part of body is adjacent to sand-thrower. Operation of working assembly that is of conveyor and sand-thrower disk is effected by means of hydraulic cylinders 9, 8 and hydraulic motors 21, 20 respectively. Hydraulic pump 9 of conveyor operation is of adjustable displacement. Hydraulic system of machine also includes electrohydraulic device. Application of arrangement of machine allows for more efficient utilization of power taken from power unit of motor vehicle. EFFECT: higher efficiency. 2 cl, 3 dwg