GRAIN CLEANING APPARATUS OF GRAIN COMBINE Russian patent published in 1998 - IPC

Abstract RU 2119739 C1

FIELD: agriculture. SUBSTANCE: apparatus has mechanical vibration source for vibrating conveyance board and lower screens. Additional vibrations at ultrasonic frequency are provided by means of two auxiliary vibration sources formed as magnetostrictors with concentrators. Magnetostrictors are connected with ultrasonic generator through wires. EFFECT: increased efficiency in grain cleaning due to combined action of ultrasonic frequency vibrations and mechanical vibrations of conveyance boards and screens. 2 cl, 3 dwg

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RU 2 119 739 C1

Authors

Bojaznyj Igor' Bentsionovich

Dates

1998-10-10—Published

1997-01-17—Filed