PNEUMATIC SEEDING APPARATUS Russian patent published in 2011 - IPC A01C7/04 

FIELD: agriculture.

SUBSTANCE: invention may be used in sowing machines of precision sowing of tilled crops. Apparatus comprises body with intake chamber and underpressure chamber, between which there is a sowing disk installed with suction holes. Plate reflector for removal of surplus seeds adjoins end plane of sowing disk. Sowing disk has horizontal driving shaft, where central rubber agitator is installed. Lower part of body contains dropper guide of seeds, consisting of body. Body is arranged in the form of hollow cylinder, to which a dropper is hingedly fixed. Body of dropper guide is installed so that dropper is located in zone of seeds dropping, adjoins end surface of sowing disk, may vary angle of inclination to horizon. Seed guide arranged in the form of chute bent along arc in direction opposite to direction of sowing device motion is fixed to lower part of dropper guide body. Underpressure chamber is arranged so that it has a sector cut in zone of seeds dropping. At the same time input of underpressure chamber connection to compressor is located in point of its location, corresponding to lower point of intake chamber.

EFFECT: invention will make it possible to increase efficiency of seeds sowing.

2 dwg