DEVICE FOR VOLUMETRIC PROPORTIONING OF SUSPENSIONS Russian patent published in 1996 - IPC

FIELD: proportioning devices. SUBSTANCE: tank 2 is brought in communication with supply reservoir 1 through pump. Tank 2 is brought in communication with calibrated orifices 7 in upper plate 4 through heads 8. Center plate 3 brings holes 7 in communication with center row of holes 10 during longitudinal motion in one direction. Second row of calibrated orifices 11 of center plate 3 is brought in communication with consumer through one of end rows of holes 9 of lower plate 5. When center plate 3 is in second position, second row of its calibrated orifices 11 brings holes 7 in communication with suspension return holes 10 and first row of holes 11 is brought in communication with consumer through other end row of holes 9 of lower plate 5. In both positions of center plate 3, accumulation and drainage of portion take place simultaneously. EFFECT: increased capacity of device. 3 dwg