SPRINKLER Russian patent published in 2012 - IPC A01G25/02 B05B1/04 

FIELD: agriculture.

SUBSTANCE: sprinkler includes a cylindrical body and a lid. The cylindrical body comprises slotted turnouts in the middle part. In the lid opening a finely divided spray is set. Annular grooves are made on the inner surface of the body, above and below the slotted turnouts. In the annular grooves O-rings are placed. The lid of the sprinkler has a ring bearing collar. The annular bearing shoulder comes up inside the body to the upper ring groove. In the lower part of the body a mechanism of switching modes of operation of the sprinkler is placed. The mechanism of switching modes of operation of a sprinkler consists of locking drum commensurate with the inner diameter of the body with O-rings coming into the grooves. At the bottom of the locking drum holes are made. In the center of the locking drum a lead-trough tube is mounted with a spring mounted on it. The spring passes through the hole in the lid to its outer surface. The finely divided spray consists of a deflector with a calibrated channel and the sparger of the stream with a spiral groove on the surface. The deflector with a calibrated groove is fixed by screwed connection in the upper part of the tube of the locking drum at the exit of the body. The sparger of the stream with a spiral groove on the surface has a diameter of the deflector channel, and installed with a bracket on the body lid at the exit of the deflector coaxially with it.

EFFECT: design enables to mechanise switching of working modes of sprinkler and flushing of the finely divided sprinkler.

2 dwg