DROPPER Russian patent published in 2004 - IPC

FIELD: agriculture, in particular, drop irrigation equipment. SUBSTANCE: dropper has case with dome- shaped projection in its central part. Membrane is fixed above projection by means of closure. Case is equipped with axially symmetric annular cavity, accumulating vessel, distributing cavities, support and anchor for fixing dropper in operating position. Annular cavity is communicated with cavity under membrane via tangential channels inclined to case axis. Axial channel formed in projection is hydraulically communicated with distributing cavities via accumulating vessel and drain channels. Distributing cavities are communicated via channels with atmosphere. EFFECT: increased efficiency and enhanced reliability in operation. 4 dwg