Patent ID: 8833672
Filing Date: 2014-09-16
Classification: B05B,G05D,Y10T

Abstract:
1. A sprinkler comprising: a stem having an inlet for receiving pressurized fluid for irrigation and an outlet; a nozzle releasably mounted to the outlet of the stem for discharging pressurized fluid from the sprinkler for irrigation; and a flow control having a seat and a valve component moveable relative to the seat and disposed in the stem, the valve component moveable longitudinally between a first irrigating position in which a first amount of fluid exits the stem through the outlet and a second signaling position in which a second, reduced amount of fluid exits the stem through the outlet; wherein the flow control is operatively coupled to the nozzle such that the valve component is in the first position in response to fluid flow when the nozzle is mounted to the stem and moves longitudinally to the second position in response to fluid flow when the nozzle is removed from the stem; and wherein the valve component defines a flow passage therethrough.