Abstract: Some embodiments provide hydro-power generation systems for irrigation systems. In some embodiments, a system comprises a generator comprising a turbine at least partially inserted into a fluid flow path of a conduit of the irrigation system and to be activated by a fluid flow in the conduit, wherein the generator is to output an electrical power signal; a control circuit to: determine a characteristic of the electrical power signal; determine, based on the characteristic, a load impedance selected from a plurality of load impedances; and output a control signal to select the load impedance. The system also comprises a variable load circuit to: receive the control signal; and provide the load impedance, where an impedance of the variable load circuit is based on the characteristic to provide power generation over various flow rates of fluid in the fluid flow path.

Abstract: Some embodiments provide an irrigation flow sensor system, comprising: a housing forming a fluid channel to cooperate with conduits of an irrigation system; a paddle wheel device with at least a first blade of a set of the blades comprises a magnetic element; the paddle wheel device is positioned with at least a portion of the blades extends into the fluid channel as the blades rotate about an axis; a magnetic sensor proximate a pathway of the magnetic element as it rotates configured to provide a sensor output every time the magnetic element passes the magnetic sensor; a switch coupled to the magnetic sensor and a current loop, wherein the switch in an activate state is configured to temporarily change the current in the current loop in response to the sensor output, with a rate of change in current corresponding to a flow rate of the fluid flowing.

Abstract: In some embodiments, apparatuses and methods are provided herein useful to use with irrigation devices connected to a multi-wire path in an irrigation system. In some embodiments, there is provided a system for use with irrigation devices including a control circuit and an application including computer program code configured to be executed by the control circuit to perform steps. The steps includes obtaining a listing of unique addresses not already assigned to irrigation zones, each unique address corresponding to a respective one of the irrigation devices, the irrigation devices connected to the multi-wire path of the irrigation system; and assigning each unique address of the listing of unique addresses sequentially to available irrigation zones.

Abstract: An emitter coupler is provided, such as for use in an irrigation dripline. The emitter coupler includes a body with two portions for coupling to two supply tubes. The emitter coupler also includes a conduit defined by the body that receives fluid from a supply tube. The emitter coupler also has an emitter including: an emitter inlet that receives fluid from the conduit; an emitter outlet downstream of the emitter inlet with the inlet receiving fluid at a certain pressure and the outlet emitting fluid at a reduced pressure; and a pressure reducing flow channel disposed in the emitter between the inlet and the outlet. The emitter coupler further includes a housing that encloses the emitter. The housing is in fluid communication with the conduit and defines an outlet of the emitter coupler. A dripline with at least one emitter coupler is also provided.

Abstract: In some embodiments, systems and methods provide an output unit for an irrigation controller comprising: a housing; an input port; a microcontroller; a modulator; a plurality of switches coupled to an output of the modulator and independently controlled by the microcontroller; and a plurality of two-wire path output connectors each coupled to a corresponding one of the plurality of switches, wherein each of the plurality of two-wire path output connectors is configured to be connected to a corresponding two-wire path of a plurality of two-wire paths which extend out of the irrigation controller and to which multiple decoder-based irrigation control units can be connected and controlled, wherein the microcontroller is further configured to operate the plurality of switches to couple and decouple the modulated power signals from the output of the modulator to one or more of the plurality of two-wire path output connectors.

Abstract: In some embodiments, apparatuses and methods are provided herein useful to providing power and data to an irrigation device. In some embodiments, a decoder unit for an irrigation system that receives power and data from an irrigation control unit over a multi-wire path comprises an input interface configured to couple to the multi-wire path of a decoder-based irrigation control system and to receive an output AC signal modulated with data and transmitted by an encoder of the irrigation control unit over the multi-wire path; a switch coupled to the input interface; a decoder circuit connected to the input interface. In some embodiment, the decoder circuit comprises a control circuit configured to decode the data from the received output AC signal; determine that the irrigation device is to be activated; and output a control signal to the switch.

Abstract: Some embodiments provide systems for use in controlling irrigation, comprising: an irrigation controller configured to couple with one or more valves at a site and to control activation and deactivation of the one or more valves in accordance with an irrigation schedule stored in the irrigation controller; a wireless adapter directly communicationally coupled through a direct wired connection with the irrigation controller; and a network adapter wirelessly coupled over a point-to-point wireless communication path with the wireless adapter, wherein the network adapter is configured to further couple through a direct wired connection with a local router configured to provide communication over a distributed network to a remote server; wherein the wireless adapter is configured to poll the irrigation controller to acquire and locally store status information; and the wireless adapter is configured to communicate, over the point-to-point wireless channel, the status information to the server.

Abstract: Methods and apparatus for checking emitter bonds in an irrigation drip line and for manufacturing drip line in a manner that allows the bond between the in-line emitter and surrounding conduit to be checked. In one form, a downstream in-line vacuum tester is provided for monitoring the amount of air escaping from outlet openings in the drip line to detect excessive air associated with poorly bonded emitters.

Abstract: An irrigation control device comprises a coil adapted to develop an electromagnetic flux sufficient to cause actuation of irrigation equipment. Control circuitry is electrically coupled to the coil to receive control signals from an irrigation control unit and to control the flux at the coil. A housing covers at least a portion of both the coil and the control circuitry, the housing including a threaded end configured to thread the irrigation control device to a valve assembly to be actuated by the electromagnetic flux of the coil.

Abstract: Some embodiments provide methods and systems of controlling irrigation. Some of these systems comprise: a connector of a controller interface (CI) coupled with an irrigation controller, wherein the connector is configured to receive a valve activation signal activated by the irrigation controller; a user interface of the CI; a processor of the CI configured to obtain valve transceiver (VT) programming with VT programming being received from inputs through the user interface, determine a station identifier, and identify as defined in the VT programming a remote valve associated with the station identifier and controlled by a remote VT; and a wireless transceiver configured to wirelessly transmit a wireless activation signal configured to be wirelessly received by the VT controlling the valve associated by the VT programming with the station identifier such that the VT is configured to control an actuator to actuate the valve.

Abstract: A spout clip is provided including a spout and a tube clip. The spout is coupled to the tube clip. The tube clip is configured to attach to a sidewall of a water supply line to secure the spout to the line. The water supply line may include a water discharge hole, and the spout clip may be positioned at the hole. An emitter inside the line may also be positioned at the hole. The spout clip may be attached to the fluid supply tube at the hole to bring the spout of the spout clip into fluid communication with the outlet of the emitter and to distribute water from the line from a location spaced apart from the line.

Abstract: In some embodiments, a system for controlling irrigation comprises an irrigation control unit comprising: an input configured to receive a user entered number of watering passes for a rotary sprinkler configured to repetitively rotate about an arc and irrigate an area of an irrigation site, wherein each rotation about the arc comprises a watering pass; a memory to store the number of watering passes and arc rotation data for the rotary sprinkler corresponding to a time duration for the rotary sprinkler to make the watering pass about the arc; and a control circuit configured to: receive the number of watering passes; receive the arc rotation data; determine a run time that will result in irrigation by the rotary sprinkler about the arc for the user entered number of passes; and store the run time.

Abstract: The present embodiments provide systems, processes and/or methods of controlling irrigation. In some embodiments, methods are provided that receive (4112) water usage information corresponding to a first volumetric water usage at a site location having an irrigation controller (130), wherein the first volumetric water usage corresponds to volumetric water usage from a beginning of a budget period of time to a first time within the budget period of time; determine (4114) automatically whether a volumetric water budget at the site location will be met for the budget period of time based on at least the first volumetric water usage, the volumetric water budget corresponding to a specified volume of water for use during the budget period of time; determine (4116) automatically, in the event the volumetric water budget will not be met, an adjustment to the irrigation by the irrigation controller; and output (4118) signaling to effect the adjustment.

Abstract: An irrigation nozzle is provided with a grit diversion feature to divert grit away from the interior of the nozzle. The nozzle includes a pattern template that defines the irrigation pattern produced by the nozzle. The pattern template includes one or more flow channels that may be susceptible to clogging with grit. The grit diversion feature includes one or more grit vents to redirect grit away from the interior of the nozzle and may further include an inner wall about the central hub that helps protect the central hub from intrusion by grit.

Abstract: A pressure compensation member, an irrigation drip emitter, drip lines and methods relating to same, are provided for delivering irrigation water from a supply tube to an emitter outlet at a reduced and relatively constant flow rate. The pressure compensation member being suitable for use in conventional emitters or alternate emitters being provided having either a uniform elastomeric emitter body configuration or a poly-material emitter body utilizing an elastomeric pressure compensation member. Various methods are also disclosed herein relating to the pressure compensation member, emitters and/or drip line using such pressure compensating members and/or emitters.

Abstract: A pressure regulation device and method are provided for reducing fluid flow. The device may be disposed within a stem of a sprinkler, within the nozzle filter or other appropriate location within the sprinkler. The device may be a single piece structure that is formed from a thermoplastic elastomer material. The device has a body with slots that form sidewalls, which are configured to move relative to each other and deflect relative to a neutral state. The amount of movement relative to each other from the neutral state causes a reduction in pressure of the fluid exiting the regulator.

Abstract: Some embodiments provide irrigation generator systems that include a main conduit comprising an inlet conduit and an outlet conduit; a flow control system positioned within the main conduit; a generator conduit comprising a generator inlet conduit and a generator outlet conduit, wherein the generator inlet conduit is fluidly coupled with the main conduit upstream of the flow control system, the generator outlet conduit is fluidly coupled with the main conduit downstream of the flow control system; and a generator comprising a rotor assembly cooperated with generator conduit to be physically activated by a flow of fluid through the generator conduit causing rotation of the rotor assembly and generates electrical power. The flow control system transitions between a closed state to the open state in response to a water pressure exceeding a pressure threshold.

Abstract: An emitter outlet defining an ingress channel having a first volume and area, and having a first portion that is substantially perpendicular to a second portion located downstream of the first portion which causes fluid flowing through the ingress channel to make a first fluid velocity reducing turn, and a first opening located off of the second portion that causes at least a portion of the fluid flowing through the ingress channel to make a second fluid velocity reducing turn, and an outlet bath with a second volume and area that is larger than the first volume and area of the ingress channel so as to cause further pressure and/or velocity reduction of the fluid entering into the outlet bath. In addition, emitters, drip lines and various methods relating to such an emitter outlet configuration are also disclosed.

Abstract: An irrigation device is provided with an indicator that may be converted to indicate a condition, such as use with non-potable fluid. The irrigation device includes an inlet, and outlet, and a body defining a flow path from the inlet to the outlet. It further includes a cover with a removable section, and an indicator at least partially under the removable cover. The indicia indicate a condition of the irrigation device, such as being used with non-potable fluid. In one state, the cover is intact and the indicia are not exposed. In another state, the removable section has been removed and the indicia are at least partially exposed.

Abstract: A solenoid adapter for a solenoid valve that permits use of different solenoids with different solenoid bowls is provided. Specifically, a reverse flow solenoid adapter enables use of a reverse flow solenoid with a forward flow solenoid bowl, while a forward flow solenoid adapter enables use of a forward flow solenoid with a reverse flow solenoid bowl. The adapters include a lower section to mount into a valve solenoid bowl, an upper portion including an adapter solenoid chamber to receive a solenoid, and flow-reversing passages that duct a vent passage flow path from the valve solenoid bowl to the adapter solenoid chamber such that the flow path transitions from a flow configuration of the valve solenoid bowl to a flow configuration required for the solenoid to function and returns to the flow configuration of the valve solenoid bowl as the path circulates back to the valve solenoid bowl.