GRAIN CLEANING PLANT Russian patent published in 2011 - IPC B02B3/00 

FIELD: process engineering.

SUBSTANCE: invention relates to agricultural machinery for grain postharvest treatment. Proposed plant comprises frame whereon sieves are suspended provided with brushes and webs, crossed suspensions and sieve axles, hopper furnished with dispenser, through, pitched table, pitched table valve to feed falling-down and passing-by fractions into grain collection container, control board, tie rod rigidly secured to sieve axles, and motor. Said motor incorporates single-phase frequency converter with its input connected to AC circuit to translate linearly, and is made up of three-phase linear induction motor. Secondary element of said induction motor is made up of tie rod rigidly jointed with the housing and arranged on drive side. One winding of said motor is connected with AC circuit, while two other windings are connected in series and to output of single-phase frequency converter.

EFFECT: higher reliability.

1 dwg