MILKING UNIT Russian patent published in 1997 - IPC

FIELD: agriculture. SUBSTANCE: milking unit has two piston pairs and succession of electromagnets. Upper cylinder and piston provide forcing of milk out of teats by supplying air into wall chamber with following suction. While piston is reciprocating in lower cylinder, milk is sucked from teats through chamber below teats, with vacuum being maintained in chamber to provide adherence of milking cups to udder. EFFECT: increased efficiency and simplified construction. 2 cl, 4 dwg