HYDRAULIC BRAKING SYSTEM OF TRAILER Russian patent published in 1994 - IPC

FIELD: automotive engineering. SUBSTANCE: casing of braking system has two parts and shell positioned therebetween to form a working chamber. The working chamber accommodates pinion and drive gear mounted at end of drive shaft connected to shaft of electric motor. The system has annular grooves, passage, and holes to ensure return of all possible leaks of working fluid to suction zone of the working chamber. Hole of outlet passage is provided with electric contact pickup. EFFECT: enhanced efficiency of the braking system. 5 dwg