MILKING UNIT Russian patent published in 1999 - IPC

FIELD: agriculture, in particular, cow milking machines. SUBSTANCE: milking unit has teat liner which is flattened and inserted into sleeve. Intermediate rubber pipe is positioned around flattened teat liner so as to define isolated hermetically sealed chamber. Pulsed vacuumizer disposed in teat cup is formed as valve body positioned within cavity on teat cup sleeve wall and provided with transverse and longitudinal channels. Valve body head is connected with intermediate rubber pipe wall. Valve body cavity is communicated with teat cup sleeve cavity and via hose with teat liner milk branch pipe. Construction of milking unit allows quick changing of time step and reducing of transition mode between time steps to be provided. Admission of air from teat cup into milk branch pipe of teat liner facilitates quick evacuation of milk from below teat with following vacuum reduction and, consequently, quick disintegration of teat liner walls at suction stroke. EFFECT: simplified construction, reduced loading of pump and increased efficiency. 2 dwg