LOOSE MATERIAL FEED CONTROL DEVICE Russian patent published in 1994 - IPC

FIELD: agriculture. SUBSTANCE: grain flow from loading noria gets into hopper-feeder, gets accumulated and builds up constant pressure layer. Excess of grain material, together with large-size impurities separated by inclined grate, is removed through outlet port along outlet grain pipe. Value of grain flow is regulated by device made up of two gates arranged in tandem one of which serves for complete cutting off of grain flow and the other regulates delivery of grain flow by means of detachable calibrated plates fixed in turnable board hinge-connected to outlet branch housing and fixed in housing by means of special locking mechanism. EFFECT: increased capacity, enhanced quality of grain cleaning, cut down machine adjustment time, higher quality of adjustment and reliability of technological line, enhanced safety and working conditions of attending personnel. 3 dwg