PROPORTIONER Russian patent published in 1994 - IPC

FIELD: proportioning of viscous liquids. SUBSTANCE: mounted in through diametral passage of drum is plunger whose one end is connected with oscillating crank gear. Other end of plunger has hole which receives tail-piece of insert arranged on pin by means of longitudinal slot. During suction stroke, suction port is matched with open end of through diametral passage of drum and plunger moves upward together with insert by means of oscillating crank gear. During delivery stroke, drum turns due to oscillating crank gear and matches passage with delivery port. Insert lowers first by gravity and liquid flows practically by gravity after which it is forced out by plunger under action of drive. EFFECT: enhanced reliability. 2 dwg