AIR-OPERATED SEEDING UNIT Russian patent published in 2004 - IPC

Abstract RU 2222134 C2

FIELD: agricultural engineering. SUBSTANCE: air-operated seeding unit has case with bottom, intake device, inlet window, nozzle for creating excessive pressure and dosing slot between cylindrical drum mounted in case on vertical drive shaft and guide mounted on case and extending in helical line from inlet window to intake device. Guide has variable angle of inclination with respect to case bottom. In feeding zone, said angle is smaller than seed angle of repose. In seeding zone, said angle is greater than seed angle of repose. Friction coefficient of drum against seeds is at least 0.65 and friction coefficient of guide against seeds is less than 0.30. EFFECT: increased efficiency and uniform distribution of seed flow. 3 dwg

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RU 2 222 134 C2

Authors

Lobachevskij P.Ja.

Khizhnjak V.I.

Nesmijan A.Ju.

Cheremisin Ju.M.

Reutskij A.S.

Dates

2004-01-27Published

2002-04-08Filed