FIELD: agriculture. SUBSTANCE: milking unit has single-chamber teat cups, milk claw, vacuum regulator and pulsator. Milk claw has vacuum restrictor and is divided by flexible membrane into control chamber and variable vacuum chamber separated from control chamber by cylindrical projection. Milk catcher with needle-type float is positioned in milk collecting part of milk claw. Upper needle of float is provided with slot and is positioned for movement in receptacle so as to define gauged slot in receptacle opening. Teat cup milk branch pipes are equipped with gauged openings. Pulsator upper control chamber is communicated with control chamber of vacuum regulator via branch pipe and is separated from constant vacuum chamber by means of flexible membrane. Variable and constant vacuum chambers of pulsator are separated from one another by annular protrusion so as to define annular slit. Commutator of pulsator is communicated with variable vacuum chamber of milk claw through branch pipe. Upon switching of milking unit to vacuum system, vacuum restrictor and related regulator provide for milking through reduced vacuum with reduced pulse-repetition frequency. Increase in milk yield causes actuation of milk catching system equipped with float and milking is provided by minimal vacuum and pulse-repetition frequency. Such construction reduces disadvantageous action upon animal's teats and udder and provides for complete milking out. EFFECT: simplified construction and increased efficiency. 4 cl, 8 dwg
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Authors
Dates
2002-11-27—Published
2000-02-23—Filed