COTTON-HARVESTING APPARATUS Russian patent published in 1995 - IPC

FIELD: agricultural engineering. SUBSTANCE: apparatus comprises chamber 1 with double walls 2 and magnetic fluid 3 circulating therebetween. Said fluid functions as working medium acting selectively on cotton bolls with cotton 8 of cotton plant 9 due to changes in density under the effect of magnetic fields generated by magnets 11 installed in the same chamber 1. Magnetic fluid 3 is sprayed into space 6 of chamber 1 and settles on cotton plant 9 through holes 5 located on internal wall of chamber 1. EFFECT: improved design. 2 dwg