SEEDING UNIT Russian patent published in 2003 - IPC

FIELD: agricultural engineering. SUBSTANCE: seeding unit has horizontal rotary shaft equipped with drive and mounted inside casing with upper and lower openings. Casing lower opening is connected with seed guide. Partition is rigidly mounted on shaft for providing periodic communication between casing cavity and seed guide via lower opening. Shaft is mounted for reciprocating and oscillating rotation at predetermined frequency of 50- 200 Hz and amplitude of 1-50 deg for creating fluidized bed for seeds. Drive is made in the form of stepped engine fixed on casing. Partition amplitude and oscillation frequency sensor is also fixed on casing. Baffle is positioned on shaft for engagement with said sensor, which is connected to stepped engine control board. Stepped engine controls partition amplitude and oscillation frequency. Control board is connected with control unit, which is connected to speed sensor and control panel. Seeding unit may be used for seed sowing and mineral fertilizer applying, and it may be also used as dosing device for mineral fertilizer and other bulk materials. EFFECT: simplified construction, increased precision in providing strict seeding norm and wider range of use. 3 dwg