Dual trajectory nozzle for rotor-type sprinkler

摘要

A sprinkler includes a turbine, a gear drive, a nozzle turret, and a nozzle that is installed in the turret. The gear drive rotatably couples the turbine and the nozzle. The nozzle has an exit angle which is different from its entry angle to change the trajectory of the water as it passes through the nozzle. The nozzle can be installed in an orientation to increase the trajectory of the water leaving the sprinkler, or installed in an orientation to decrease the trajectory of the water leaving the sprinkler.

主权项

1. An irrigation sprinkler, comprising:
a riser; a turbine; a nozzle turret mounted at an upper end of the riser; a drive assembly mounted in the riser and coupling the turbine and the nozzle turret so that pressurized water entering a lower end of the riser will cause the nozzle turret to rotate; and a nozzle configured for removable insertion into a socket in the nozzle turret, the nozzle having:
a base configured to be received by the socket in a first orientation and in a second orientation, the base defining a base flow channel having a base channel central axis oriented at a first axis angle from an axis of rotation of the nozzle turret; anda spout connected to the base, the spout having a spout flow channel having a spout channel central axis oriented at a second axis angle from the axis of rotation of the turret, the second axis angle being different from the first axis angle such that the base flow channel and the spout flow channel form a bent flow channel through the nozzle, the bent flow channel configured to generate a higher trajectory of a water stream ejected from the nozzle when inserted into the socket in the first orientation and a lower trajectory when inserted into the socket in the second orientation, the spout having a plurality of stream straightening fins and an elliptical inner wall.