MILKING UNIT Russian patent published in 1997 - IPC

FIELD: agriculture. SUBSTANCE: milking unit has teat cups, milk claw with truncated cone membrane and chamber whose bottom has hollow truncated cone. Apexes of truncated cone and hollow truncated cone are directed downward to define slot for communicating auxiliary chamber with milk collecting chamber. Casing with needle valve in atmospheric air channel is hermetically attached to control chamber housing. Casing is positioned so that needle valve ejector is cooperating with membrane center. Ejector is provided with longitudinal slot for receiving needle valve pin. Ejector and needle valve are spring-loaded one relative to the other. EFFECT: increased efficiency, simplified construction and enhanced reliability in operation. 3 cl, 3 dwg