Rain Bird Corporation Patent applications |
Patent application number | Title | Published |
20150283572 | Irrigation System - In accordance with one aspect, a faucet-supplied irrigation system is provided having a container, coiled tubing in the container, a plurality of pop-up sprinklers in the container, and a plurality of connectors in the container for attachment to the tubing and sprinklers. The irrigation system includes an irrigation controller in the container and a pressure regulator in the container to regulate water pressure of the supply of water to the sprinklers from the faucet. The container is configured to maintain a plurality of the coiled tubing, pop-up sprinklers, connectors, controller and regulator in a predetermined arrangement within the container. | 10-08-2015 |
20150144815 | CLOG RESISTANT VALVE PORT AND METHODS RELATING TO SAME - An irrigation valve has a valve body with an inlet passage, an outlet passage, a valve seat intermediate the inlet passage and the outlet passage and a control chamber exit or bypass passage terminating in a surface that defines a portion of the outlet passage, the valve body including at least one of a recess and a rib for hindering clogging of the bypass passage. Related methods for hindering clogging of the control chamber or exit bypass passage are also disclosed. | 05-28-2015 |
20150041563 | ELASTOMERIC EMITTER AND METHODS RELATING TO SAME - An irrigation drip emitter, 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 emitter having at least one moveable member for compensating for fluctuations in supply line fluid pressure. In one form the emitter further includes a root growth inhibiting member for hindering roots from obstructing fluid flow through the emitter. In another form, the emitter includes an inlet protrusion so that fluid entering the emitter comes from a position closer to the central or center portion of the conduit in order to avoid larger obstructions that may be located near the periphery of the conduit. In another form, the emitter includes a carrier for assisting in mounting the emitter into conduit. In another form, more than one of the above features are present. | 02-12-2015 |
20140277782 | IRRIGATION CONTROLLERS WITH ENHANCED ALTERNATING CURRENT SWITCHING DEVICES - Some embodiments provide irrigation controllers, comprising: a transformer configured to step down a voltage producing an AC power signal; a live AC line and an AC common line coupled with the transformer; a plurality of AC switches coupled with the live AC line and configured to selectively pass the AC power signal to one or more valve solenoids such that the one or more valve solenoids are effectively coupled across the live AC line and the AC common line; an impedance element coupled serially on the AC common line with the transformer, wherein the impedance element comprises an inductive reactance and a resistive component, and the impedance element is configured to increase overvoltage protection between the transformer and the plurality of AC switches increasing an effective voltage tolerance to the overvoltage conditions at the AC switches; and a controller configured to selectively control the plurality of AC switches. | 09-18-2014 |
20140263758 | DRIP EMITTER - A drip emitter is described herein that is advantageously configured to allow large grit to pass through the drip emitter when in use. The drip emitter includes a housing containing a flow path extending between a water inlet and a water outlet, a pressure-reducing segment, such as a torturous path, of the flow path downstream of the inlet and upstream of the outlet, and a dynamic pressure regulator downstream of the water inlet and upstream of the pressure-reducing segment of the flow path. The dynamic pressure regulator is configured such that a decrease in pressure in the pressure-reducing segment of the flow path causes the dynamic pressure regulator to adjust to maintain a generally constant rate of flow through the water inlet as compared to the rate of flow when there is no decrease in pressure in the pressure-reducing segment of the flow path. | 09-18-2014 |
20140263757 | IRRIGATION SPRAY NOZZLE AND MOLD ASSEMBLY AND METHOD OF FORMING NOZZLE - A nozzle is provided having a low precipitation rate and uniform fluid distribution to a desired arcuate span of coverage. The nozzle has an inflow port having a shape corresponding to the desired arc of coverage and a size for effecting a low precipitation rate. The nozzle also has a deflector surface with a water distribution profile including ribs for subdividing the fluid into multiple sets of fluid streams. There are at least two fluid streams for distant and close-in irrigation to provide relatively uniform distribution and coverage. The nozzle may be a unitary, one-piece, molded nozzle body including a mounting portion, an inflow port, and a deflector portion. There is also provided a mold assembly and method for forming a unitary, one piece nozzle body. | 09-18-2014 |
20140261693 | IRRIGATION SYSTEM WITH FREEZE PROTECTION AND METHOD - Apparatus and method are provided herein for causing and controlling the injection of antifreeze material into a water line of an irrigation system. The irrigation system comprises an antifreeze supply unit including an antifreeze storage container containing a liquid antifreeze coupled to a water line of the irrigation system. A control unit is coupled to the antifreeze supply unit. The control unit is configured to cause the antifreeze supply unit to inject at least some of the liquid antifreeze from the antifreeze storage container into the water line. The control unit can cause the antifreeze supply unit to inject the liquid antifreeze from the antifreeze storage container in response to temperature data received from a sensor unit or in response to user input at the control unit. | 09-18-2014 |
20140260673 | REMOTE FLOW RATE MEASURING - The methods and systems described herein can be used for remote measuring of flow rate from a multitude of different flow meters without requiring each flow meter to be capable of onboard processing and displaying of flow rate information. A single electronic device can be used to remotely measure the flow rate of a multitude of different flow meters. | 09-18-2014 |
20140249684 | MODULAR AND EXPANDABLE IRRIGATION CONTROLLER - Described herein are several embodiments relating to modular irrigation controllers. In many implementations, the irrigation controllers are modular in that various functional components of the irrigation controller are implemented in removable modules that when inserted into position within the controller, expand the capabilities of the controller. Also described are various different types of expansion modules that may be coupled to the modular controller, having as variety of functions and features, as well as related methods of use and configuration of these modules in the controller. In one implementation, an expansion module is provided that includes a microcontroller capable of sending and receiving data communications to and from a main microcontroller of the controller that executed irrigation programs, the data communications relating to an irrigation program. | 09-04-2014 |
20140195059 | PROGRAMMABLE IRRIGATION CONTROLLER HAVING USER INTERFACE - An irrigation controller, includes a housing, a microcontroller within the housing and configured to store and execute an irrigation schedule, a valve driver coupled to the microcontroller and configured to output a zone activation signal to an actuatable zone valve in response to signaling from the microcontroller, and a user interface. The user interface includes a plurality of user input devices coupled to the microcontroller and configured to provide signaling to the microcontroller based upon a user's engagement therewith, the plurality of user input devices configured to allow the user to create an irrigation schedule; and a user display coupled to the microcontroller and configured to display irrigation parameters associated with the irrigation schedule. The microcontroller is configured to cause the user display to display at least one of a next irrigation start day, a next irrigation start time, and a next zone to irrigate associated with the irrigation schedule. | 07-10-2014 |
20140129039 | Irrigation Control Systems and Methods - Some embodiments provide irrigation systems comprising: a central irrigation controller; a radio module; a control module; and a radio adaptor in communication with the control module; where the control module comprises: a processor, a first communication interface, and one or more valve drivers, where the control module is configured to implement irrigation commands in implementing at least a portion of irrigation programming such that the one or more valve drivers are each configured to control a different irrigation valve in accordance with the irrigation programming; and the radio adapter comprises: a second communication interface communicationally coupled with the first communication interface, and a wireless radio frequency transceiver configured to provide wireless communication with the radio module where the radio adapter is configured to relay information between the radio module and the control module. | 05-08-2014 |
20140094977 | METHODS AND SYSTEMS FOR USE IN CONTROLLING IRRIGATION - Some embodiments provide systems and methods of controlling irrigation, comprising: communicating an assumption broadcast from a first irrigation controller to each of a plurality of other irrigation controllers defining assumed states of control elements, wherein the control elements are shared with one or more of the first irrigation controller and the other irrigation controllers; determining whether a reply is received from one or more of the other irrigation controllers in reply to the assumption broadcast; identifying, from the reply, a correction to a state corresponding to a first control element; updating state information corresponding to the first control element in response to the identifying the correction; and communicating a subsequent notification from the first irrigation controller to each of the plurality of other irrigation controllers of the irrigation system, where the subsequent notification comprises the updated state information corresponding to the first control element. | 04-03-2014 |
20140039698 | DATA COMMUNICATION IN A MULTI-WIRE IRRIGATION CONTROL SYSTEM - An irrigation control device having a modulator that modulates data onto an alternating power signal by distorting amplitude of a first leading portion of selected cycles of the alternating power signal, and permit effectively a full amplitude of the alternating power signal on a following portion of the selected cycles, wherein the first leading portion and the following portion are either both on a high side of a cycle or both on a low side of a cycle of the alternating power signal. The irrigation control device further includes an interface configured to couple the modulator to a multi-wire interface coupled to a plurality of irrigation devices to permit the alternating power signal to be applied to the multi-wire interface. | 02-06-2014 |
20140039697 | IRRIGATION CONTROLLER WIRELESS NETWORK ADAPTER AND NETWORKED REMOTE SERVICE - 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. | 02-06-2014 |
20140031996 | AUTOMATICALLY ADJUSTING IRRIGATION CONTROLLER - Methods and devices are provided to automatically determine plant water requirements and adjust irrigation. In one implementation, a method comprises: receiving, from a user via a user interface of an irrigation control unit and at a time after an initial commercial sale, a region identifier corresponding to a region of the irrigation controller; identifying a set of historical values from a plurality of sets of historical values pre-stored in a memory of the irrigation control unit; receiving a current value of at least one other environmental variable from at least one sensor; receiving at least one historical value from the identified set of historical values from the memory; determining the plant water requirements using the at least one historical value and the current value; outputting an adjustment control message to the irrigation controller; and adjusting execution of the irrigation schedule, the irrigation schedule defined for a peak irrigation period. | 01-30-2014 |
20140027539 | Drip Line Emitter And Methods Relating To Same - An irrigation emitter and drip line, and methods relating to same, are provided for reducing the flow and pressure of fluid via an emitter or plurality of emitters defined by two concentric tubes. In one form, the first tube defines an emitter inlet and connected pressure-reducing flow channel and the second tube is extruded over the first tube to enclose the emitter inlet and flow channel and defines an outlet connected to an end of the flow channel opposite the inlet to create an emitter for converting fluid flowing at a high flow rate in the lumen and at the first end of the inlet to a fluid with a low flow rate at the outlet of the emitter. In another form, a drip line is provided having a plurality of such emitters. The emitters capable of being provided with pressure compensation structures to compensate or account for fluctuations in supply line fluid pressure and root growth inhibiting members. Various methods related to the emitter and drip line are also disclosed. | 01-30-2014 |
20140027527 | ROTARY NOZZLE - A specialty nozzle is provided having a pattern adjusment valve that may be adjusted To irrigate a substantially rectangular irrigation area. The nozzle may be further adjusted to irrigate three different substantially rectangular irrigation areas. The nozzle functions as a three-in-one left strip nozzle, right strip nozzle, and side strip nozzle. The strip irrigation setting may be selected by pressing down and rotating a deflector to directly actuate the valve. The nozzle may also include a flow reduction valve to set the size of the rectangular irrigation areas and may be adjusted by actuation of an outer wall of the nozzle. Rotation of the outer wall causes a flow control member to move axially to or away from an inlet. | 01-30-2014 |
20140001744 | Union Coupling With Removable Screen | 01-02-2014 |
20130197701 | PROGRAMMABLE IRRIGATION CONTROLLER HAVING USER INTERFACE - An irrigation controller, includes a housing, a microcontroller within the housing and configured to store and execute an irrigation schedule, a valve driver coupled to the microcontroller and configured to output a zone activation signal to an actuatable zone valve in response to signaling from the microcontroller, and a user interface. The user interface includes a plurality of user input devices coupled to the microcontroller and configured to provide signaling to the microcontroller based upon a user's engagement therewith, the plurality of user input devices configured to allow the user to create an irrigation schedule; and a user display coupled to the microcontroller and configured to display irrigation parameters associated with the irrigation schedule. The microcontroller is configured to cause the user display to display at least one of a next irrigation start day, a next irrigation start time, and a next zone to irrigate associated with the irrigation schedule. | 08-01-2013 |
20130190935 | CODE REPLACEMENT FOR IRRIGATION CONTROLLERS - Some embodiments provide irrigation controllers comprising: a housing; a control unit including a first microcontroller configured to execute irrigation programs and a first set of code; and a removable plug-in device that removably mates with a portion of the irrigation controller and communicationally couples to the first microcontroller, wherein the plug-in device comprises a memory storing a second set of code to replace at least a portion of the first set of code, wherein the plug-in device is configured to re-flash at least a portion of the first set of code allowing a copy of the second set of code to overwrite at least the portion of the first set of code; wherein the first set of code comprises a bootloader that writes the copy of the second set of code over the first set of code with the exception of the bootloader that is not written over. | 07-25-2013 |
20130173070 | WIRELESS IRRIGATION CONTROL - 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. | 07-04-2013 |
20130060389 | METHODS AND SYSTEMS FOR USE IN CONTROLLING IRRIGATION - Some embodiments provide systems and methods of controlling irrigation, comprising: communicating an assumption broadcast from a first irrigation controller to each of a plurality of other irrigation controllers defining assumed states of control elements, wherein the control elements are shared with one or more of the first irrigation controller and the other irrigation controllers; determining whether a reply is received from one or more of the other irrigation controllers in reply to the assumption broadcast; identifying, from the reply, a correction to a state corresponding to a first control element; updating state information corresponding to the first control element in response to the identifying the correction; and communicating a subsequent notification from the first irrigation controller to each of the plurality of other irrigation controllers of the irrigation system, where the subsequent notification comprises the updated state information corresponding to the first control element. | 03-07-2013 |
20120303169 | DATA COMMUNICATION IN A MULTI-WIRE IRRIGATION CONTROL SYSTEM - An irrigation control device having a modulator that modulates data onto an alternating power signal by distorting amplitude of a first leading portion of selected cycles of the alternating power signal, and permit effectively a full amplitude of the alternating power signal on a following portion of the selected cycles, wherein the first leading portion and the following portion are either both on a high side of a cycle or both on a low side of a cycle of the alternating power signal. The irrigation control device further includes an interface configured to couple the modulator to a multi-wire interface coupled to a plurality of irrigation devices to permit the alternating power signal to be applied to the multi-wire interface. | 11-29-2012 |
20120292403 | SPRINKLER WITH VARIABLE ARC AND FLOW RATE AND METHOD - A variable arc sprinkler head or nozzle may be set to numerous positions to adjust the arcuate span of the sprinkler. The sprinkler head includes an arc adjustment valve having two portions that helically engage each other to define an opening that may be adjusted at the top of the sprinkler to a desired arcuate length. The arcuate length may be adjusted by pressing down and rotating a deflector to directly actuate the valve without the need for a hand tool. A method of irrigation is also provided involving moving the deflector between an arc adjustment position and an operational, irrigation position. The sprinkler head may also include a flow rate adjustment valve that may be adjusted by actuation or rotation of an outer wall portion of the sprinkler. Rotation of the outer wall portion causes a flow control member to move axially to or away from an inlet. | 11-22-2012 |
20120259473 | AUTOMATICALLY ADJUSTING IRRIGATION CONTROLLER - Methods and devices are provided to automatically determine plant water requirements and adjust irrigation in order to make efficient use of water. In one implementation an irrigation control unit comprises at least one input configured to be coupled to and receive signals from a temperature sensor, the signals corresponding to current values of temperature. The unit also includes a memory storing historical values of a plurality of variables and a processor coupled to the at least one input and the memory. The processor is configured to determine plant water requirements at least in part using the historical values of the plurality of variables and the current values of the temperature. | 10-11-2012 |
20120239211 | VOLUMETRIC BUDGET BASED IRRIGATION CONTROL - The present embodiments provide systems, processes and/or methods of controlling irrigation. In some embodiments, methods are provided that receive ( | 09-20-2012 |
20120232708 | WIRELESS EXTENSION TO AN IRRIGATION CONTROL SYSTEM AND RELATED METHODS - Several embodiments provide wireless extensions to an irrigation controller system and related methods of use, as well as other improvements to irrigation control equipment. In one implementation, an irrigation control system includes a transmitter unit including a controller and having a connector to be coupled to an irrigation controller having station actuation output connectors. The controller is configured to receive an indication that the irrigation controller has activated an irrigation station, and is also configured to cause the transmitter unit to transmit a wireless activation signal responsive to the indication. A receiver unit is coupled to an actuator coupled to an actuatable device, such as an irrigation valve, the actuator configured to actuate the irrigation valve to control the flow of water therethrough. The receiver unit receives the wireless activation signal and in response, causes the actuator to actuate the actuatable device. | 09-13-2012 |
20120229284 | SENSOR DEVICE FOR USE IN CONTROLLING IRRIGATION - Methods and apparatus are provided herein for sensing rain fall for use in irrigation control. In one embodiment, a wireless rain sensor comprises a housing at least partially covering a first sensor, a controller and a wireless transmitter. The first sensor comprises a moisture absorptive material located to be contacted by rain fall and configured to expand in response to the contact with the rain fall and contract in response to an absence of the rain fall. The controller is coupled to the first sensor and configured to output signals corresponding to a variable amount of expansion and contraction of the moisture absorptive material. The wireless transmitter is configured to transmit wireless signals, at least one wireless signal comprising data corresponding to the variable amount of expansion and contraction of the moisture absorptive material. | 09-13-2012 |
20120216881 | System and Method for Harvested Water Irrigation - A system and method for harvested water irrigation is provided. The irrigation system generally collects harvested water from a variety of sources and disperses it from a tank to a landscape for irrigation. The irrigation may be managed using a system controller. The system controller interacts with a variety of devices, including a level controller, a pump or valve, and at least one zone valve. The system may be configured to end irrigation cycles in response to certain events and to supplement harvested water irrigation with potable water as needed or selected. | 08-30-2012 |
20120215366 | USER INTERFACE FOR A SENSOR-BASED INTERFACE DEVICE FOR INTERRUPTING AN IRRIGATION CONTROLLER - Some embodiments provide an interface unit interfacing with an irrigation controller, comprising: a housing; a controller configured to instruct an interruption of a watering schedule executed by the irrigation controller, the interruption based on one or both of sensed temperature and sensed rainfall amount, and based on one or both of user entered temperature and rainfall threshold parameters; a switching device coupled with the controller, and configured to cause the interruption in response to signaling from the controller; and a user interface comprising: a plurality of user input devices configured to provide signaling to the controller based upon user's engagement, and configured to allow the user to define the temperature and rainfall threshold parameters; and a user display comprising a display screen; wherein the controller is configured to cause the display screen to display a plurality of pictorial representations that in combination convey whether irrigation is being interrupted. | 08-23-2012 |
20120191261 | Automatically Adjusting Irrigation Controller - Methods and devices are provided to automatically determine plant water requirements and adjust irrigation in order to make efficient use of water. In one implementation, an irrigation control unit comprises a memory storing historical values of a plurality of variables used at least in part in calculating plant water requirements, and at least one input adapted to receive signals corresponding to current values of one or more of the plurality of variables. The unit also comprises a processor coupled to the at least one input and the memory, the processor adapted to determine the plant water requirements at least in part using, for each of the plurality of variables, a current value in the event the current value is available and at least in part using, for each of the plurality of variables, a stored historical value in the event the current value is not available. | 07-26-2012 |
20120091222 | Soil Moisture Sensor and Controller - Moisture sensor devices and methods are disclosed herein. One embodiment includes an integrated moisture sensor and controller to be placed in soil comprising a controller circuit for controlling a switch; a sensor circuit comprising a probe and adapted to provide a soil moisture level; and a memory coupled to the controller circuit. The controller, sensor circuits, and the memory integrated into a single device positioned within the soil; the switch coupled to the controller circuit and to be coupled to a control line of an irrigation controller between the controller and a valve, the control line to carry a power signal from the controller to the valve; the controller circuit is adapted to cause interruption of irrigation based on the moisture level of the soil and a soil moisture threshold; the memory adapted to store data of the soil moisture threshold level and the moisture level of the soil. | 04-19-2012 |
20120085950 | INTEGRATED ACTUATOR COIL AND DECODER MODULE FOR IRRIGATION CONTROL - An integrated actuator coil and decoder module for use in decoder-based irrigation control systems, and related methods of manufacture and installation, are provided herein. In one implementation, an irrigation control device comprises a body, decoder circuitry located within the body, a coil located within the body and coupled to the decoder circuitry, the coil adapted to develop an electromagnetic flux sufficient to cause actuation of a device controlling irrigation equipment in response to signaling from the decoder circuitry. Also included is an electrical connection coupled to the decoder circuitry and adapted to couple to a control wire path of a decoder-based irrigation control system. The decoder circuitry and the coil are integrated into a single device. | 04-12-2012 |
20120061489 | Sprinkler With Variable Arc and Flow Rate - A variable arc sprinkler may be set to numerous positions along a continuum to adjust the arcuate span of the sprinkler. The sprinkler includes a nozzle body and a valve sleeve that helically engage each other to define an arcuate slot that may be adjusted at the top of the sprinkler to a desired arcuate span. The sprinkler may include a flow rate adjustment device that may be adjusted by actuation or rotation of an outer wall portion of the sprinkler. Rotation of the outer wall portion may cause a throttle control member to move axially to or away from an inlet, or may cause one or more restrictor elements to open or close, to control the flow rate of the sprinkler. | 03-15-2012 |
20120016497 | Method and Apparatus for Programming a Decoder-based Irrigation Controller - A method and programming chart having viewable indicia thereon for programming a decoder-based controller is disclosed. The programming chart comprises a specific portion comprising a station number area for one or more stations being controlled by a decoder-based irrigation controller, a decoder address area adapted to receive an entry indicating an address of a decoder being associated with each of the one or more stations and a plurality of other information areas for each of the one or more stations to receive information pertaining to each of the one or more stations. Furthermore, a method is provided for programming a decoder-based irrigation controller comprising associating a decoder unit with at least a first station, removing a decoder address indicator provided with the decoder unit and recording the decoder address indicator onto a programming chart onto an area designated for a decoder address associated with the first station. | 01-19-2012 |
20120012678 | Sprinkler With Pressure Regulation - A sprinkler pressure regulator module has a compact arrangement with a shiftable member having an upper cavity for receiving water flow debris, and a portion of a bypass valve may reciprocate therein. The module includes a stator plate directing water into a drive mechanism, such as a turbine drive mechanism. The shiftable member receives fluid flow from a radially outboard direction and is sealed with a cup portion receiving the shiftable member to define a cup cavity. A module exterior surface is separated from a sprinkler housing to define a vent cavity. A pressure release vent communicates with the cup cavity, a vent channel between the cup portion and the exterior surface, the vent cavity, and the exterior environment. The vent cavity and cup portion provide receptacles for debris deposit. Ribs around an opening of the vent channel with the vent cavity generally prevent debris from entering the vent channel. | 01-19-2012 |
20110288690 | Wireless Extension to an Irrigation Control System and Related Methods - Several embodiments provide wireless extensions to an irrigation controller system and related methods of use, as well as other improvements to irrigation control equipment. In one implementation, an irrigation control system includes a transmitter unit including a controller and having a connector to be coupled to an irrigation controller having station actuation output connectors. The controller is configured to receive an indication that the irrigation controller has activated an irrigation station, and is also configured to cause the transmitter unit to transmit a wireless activation signal responsive to the indication. A receiver unit is coupled to an actuator coupled to an actuatable device, such as an irrigation valve, the actuator configured to actuate the irrigation valve to control the flow of water therethrough. The receiver unit receives the wireless activation signal and in response, causes the actuator to actuate the actuatable device. | 11-24-2011 |
20110270449 | MODULAR AND EXPANDABLE IRRIGATION CONTROLLER - Described herein are several embodiments relating to modular irrigation controllers. In many implementations, the irrigation controllers are modular in that various functional components of the irrigation controller are implemented in removable modules that when inserted into position within the controller, expand the capabilities of the controller. Also described are various different types of expansion modules that may be coupled to the modular controller, having as variety of functions and features, as well as related methods of use and configuration of these modules in the controller. In one implementation, an expansion module is provided that includes a microcontroller capable of sending and receiving data communications to and from a main microcontroller of the controller that executed irrigation programs, the data communications relating to an irrigation program. | 11-03-2011 |
20110238227 | SENSOR DEVICE FOR INTERRUPTING IRRIGATION - Methods and apparatus are provided herein for permitting or interrupting irrigation using sensor equipment. In one embodiment, a method for controlling irrigation comprising the steps of: generating an indication representing the amount of rain fall at a sensor unit; transmitting a signal comprising at least the indication from the sensor unit to an interface unit, wherein the interface unit is adapted to cause an interruption of programmed watering schedules of an irrigation controller; receiving the signal at the interface unit; determining, based at least on the indication from the signal, whether irrigation should be interrupted; and generating an interrupt command to interrupt irrigation. | 09-29-2011 |
20110224836 | SENSOR DEVICE FOR INTERRUPTING IRRIGATION - Methods and apparatus are provided herein for permitting or interrupting irrigation using sensor equipment. In one embodiment, a method for controlling irrigation comprising the steps of: generating an indication representing the amount of rain fall at a sensor unit; transmitting a signal comprising at least the indication from the sensor unit to an interface unit, wherein the interface unit is adapted to cause an interruption of programmed watering schedules of an irrigation controller; receiving the signal at the interface unit; determining, based at least on the indication from the signal, whether irrigation should be interrupted; and generating an interrupt command to interrupt irrigation. | 09-15-2011 |
20110198411 | Low Flow Sprinkler - An impact sprinkler has a nozzle connected to a housing and a discharge deflector member connected to a rotatable shaft assembly. The sprinkler has different replaceable nozzles and discharge deflectors for providing desired discharge characteristics. The shaft assembly and housing have contacting braking surfaces outside of the water flow providing a frictional braking force dependent on both water flow rate and pressure. The sprinkler has a deflection member for rotating an impact assembly relative to the shaft assembly while a pin supports the impact assembly at a position above the deflection member. A lower portion of the shaft assembly may be positioned in a recess in the housing such that a surface on the shaft assembly contacts a surface in the recess, and a highly wear-resistant material may be disposed on a surface of either the shaft assembly or the recess for providing improved wear characteristics. | 08-18-2011 |
20110147489 | POP-UP IRRIGATION DEVICE FOR USE WITH LOW-PRESSURE IRRIGATION SYSTEMS - A pop-up irrigation device for use in a low pressure irrigation device is described. The device has a housing, a riser partially extensible from the housing and a nozzle body removably attached to an end of the riser in a non-threaded manner, such as using a snap-fit. One, two or more connection tubes or ports may extend laterally from the housing and can each be configured to be connectable to flexible irrigation tubing. An annular cap can be attached to the open end of the housing and may include an annular, radially-inward extending seal. The closed end of the housing may include a depending stake with a plurality of blades to facilitate mounting of the housing relative to the ground. | 06-23-2011 |
20110147488 | NOZZLE BUSH FOR USE WITH IRRIGATION DEVICES - A nozzle bush is provided for use with an irrigation device, such as a pop-up irrigation device. The nozzle bush includes a plurality of different nozzle bodies removably attached about its periphery, and may include an integrated flush port that can be attached to an irrigation device. | 06-23-2011 |
20110147484 | POP-UP IRRIGATION DEVICE FOR USE WITH LOW-PRESSURE IRRIGATION SYSTEMS - A pop-up irrigation device for use in a low pressure irrigation device is described. The device has a housing, a riser partially extensible from the housing and a nozzle body removably attached to an end of the riser in a non-threaded manner, such as using a snap-fit, or in a threaded manner. One, two or more connection tubes or ports may extend laterally from the housing and can each be configured to be connectable to flexible irrigation tubing. Ribs may extend from the housing to facilitate retention when buried. An annular cap can be attached to the open end of the housing and may include an annular, radially-inward extending seal. The closed end of the housing may include a depending stake with a plurality of blades to facilitate mounting of the housing relative to the ground. | 06-23-2011 |
20110106320 | METHOD AND APPARATUS FOR GENERATING AN IRRIGATION SCHEDULE - Methods and devices are provided for creating an irrigation schedule for an area to be irrigated. In one implementation, an apparatus for creating an irrigation schedule for an area, the area having a plurality of characteristics, comprises a computer readable medium storing a set of instructions. The apparatus also includes a processor coupled to the computer readable medium and adapted to execute the set of instructions to cause the display of a graphical user interface comprising a plurality of sets of user selectable graphic images, each set of user selectable graphic images corresponding to a characteristic of the area, and each set having user selectable graphic images corresponding to different properties of the characteristic. The processor is further adapted to execute the set of instructions to generate the irrigation schedule in response to user selection of at least one user selectable graphic image from each of the plurality of sets. | 05-05-2011 |
20110077785 | Automatically Adjusting Irrigation Controller - Methods and devices are provided to automatically determine plant water requirements and adjust irrigation in order to make efficient use of water. In one implementation, the invention may be characterized as a method comprising: receiving, user entered historical values of one or more environmental variables, wherein the historical values correspond to a geographic region and storing the historical values in a memory; receiving current values of one or more environmental variables useful in determining the plant water requirements from one or more sensors, the values corresponding to a geographic region and the other environment variables being different from the one or more environmental variables and storing the current values in the memory; and determining the plant water requirements based at least in part on the user entered historical values and the current values of the one or more other environmental variables. | 03-31-2011 |
20110043039 | UNIVERSAL IRRIGATION CONTROLLER POWER SUPPLY - Described herein are systems, methods and apparatuses for providing power to an irrigation controller. In one implementation, an apparatus comprises an alternating current (AC) to direct current (DC) voltage converter configured to convert an input AC voltage into a DC voltage. An AC voltage generator is coupled to the AC to DC voltage converter, wherein the AC voltage generator is configured to generate an output AC voltage using the DC voltage. The AC voltage generator is further coupled to the irrigation controller, and the AC voltage generator is configured to supply the output AC voltage to the irrigation controller. | 02-24-2011 |
20110040416 | MODULAR AND EXPANDABLE IRRIGATION CONTROLLER - Described herein are several embodiments relating to modular irrigation controllers. In many implementations, the irrigation controllers are modular in that various functional components of the irrigation controller are implemented in removable modules that when inserted into position within the controller, expand the capabilities of the controller. Also described are various different types of expansion modules that may be coupled to the modular controller, having as variety of functions and features, as well as related methods of use and configuration of these modules in the controller. In some embodiments, authentication procedures are provided for one or both of a modular irrigation controller and an expansion module to determine if they are authorized to operate together. | 02-17-2011 |
20110040415 | CODE REPLACEMENT FOR IRRIGATION CONTROLLERS - Described herein are several embodiments relating to modular irrigation controllers. In many implementations, methods of implementing irrigation control are provided that detect a presence of a first module coupled with a control unit of an irrigation controller, the control unit operating in accordance with a bootloader set of code and a first set of code to implement irrigation control, identify that the first module stores a second set of code, and activate the bootloader set of code to replace the first set of code with the second set of code. Also described are various different types of modular controllers, expansion modules that may be coupled to the modular controller, having as variety of functions and features, as well as related methods of use and configuration of the controller and these modules in the controller. | 02-17-2011 |
20110024526 | Spray Nozzle With Selectable Deflector Surfaces - An irrigation sprinkler spray nozzle is provided that includes a first deflector surface defining a first configuration to project a fluid spray having a first distribution pattern, and a second deflector surface defining a second configuration to project a second fluid spray having a second, different distribution pattern. To select the fluid spray, the nozzle further includes a selector having a first position to select the first deflector surface and a second position to select the second deflector surface. | 02-03-2011 |
20110017845 | INTEGRATED CONTROL CIRCUITRY AND COIL ASSEMBLY FOR IRRIGATION CONTROL - 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 spacer is configured to maintain the coil at a predetermined position relative to the control circuitry. | 01-27-2011 |
20110015800 | Data Communication in a Multi-Wire Irrigation Control System - An irrigation control device having a modulator that modulates data onto an alternating power signal by distorting amplitude of a first leading portion of selected cycles of the alternating power signal, and permit effectively a full amplitude of the alternating power signal on a following portion of the selected cycles, wherein the first leading portion and the following portion are either both on a high side of a cycle or both on a low side of a cycle of the alternating power signal. The irrigation control device further includes an interface configured to couple the modulator to a multi-wire interface coupled to a plurality of irrigation devices to permit the alternating power signal to be applied to the multi-wire interface. | 01-20-2011 |
20110015794 | INTEGRATED ACTUATOR COIL AND DECODER MODULE FOR IRRIGATION CONTROL - An integrated actuator coil and decoder module for use in decoder-based irrigation control systems, and related methods of manufacture and installation, are provided herein. In one implementation, an irrigation control device comprises a body, decoder circuitry located within the body, a coil located within the body and coupled to the decoder circuitry, the coil adapted to develop an electromagnetic flux sufficient to cause actuation of a device controlling irrigation equipment in response to signaling from the decoder circuitry. Also included is an electrical connection coupled to the decoder circuitry and adapted to couple to a control wire path of a decoder-based irrigation control system. The decoder circuitry and the coil are integrated into a single device. | 01-20-2011 |
20110015793 | Variable Initialization Time in the Charging of Energy Reserves in an Irrigation Control System - In one embodiment, a method for controlling an irrigation device coupled to and receiving operational power from a multi-wire interface of an irrigation system comprises: receiving power at the device where the device is one of a plurality of devices receiving power substantially simultaneously; charging an energy reserve of the device using the power, wherein the energy reserve of each device is charged and adapted to supply power to an actuator coupled to a valve; identifying a delay period for the device, the delay period different than a delay period of at least one other device, the delay period defining a period of time that the device is to delay before the energy reserve is discharged; discharging the energy reserve after the delay period lapses; and recharging the energy reserve by drawing current from the multi-wire interface to provide a time staggered recharging of the energy reserves of the devices. | 01-20-2011 |
20100314483 | Method and Apparatus for Dispensing Tubing - There is disclosed a container for receiving coiled tubing and an aperture for controlled dispensing of the tubing. The tubing and the aperture are configured to engage one another and resist unintentional retraction and dispensing of the tubing into and from the container. | 12-16-2010 |
20100312404 | Automatically Adjusting Irrigation Controller - Methods and devices are provided to automatically determine plant water requirements and adjust irrigation in order to make efficient use of water. In one implementation, an irrigation control unit comprises a memory storing historical values of a plurality of variables used at least in part in calculating plant water requirements, and at least one input adapted to receive signals corresponding to current values of one or more of the plurality of variables. The unit also comprises a processor coupled to the at least one input and the memory, the processor adapted to determine the plant water requirements at least in part using, for each of the plurality of variables, a current value in the event the current value is available and at least in part using, for each of the plurality of variables, a stored historical value in the event the current value is not available. | 12-09-2010 |
20100301142 | SPRINKLER WITH VARIABLE ARC AND FLOW RATE AND METHOD - A variable arc sprinkler head or nozzle may be set to numerous positions to adjust the arcuate span of the sprinkler. The sprinkler head includes an arc adjustment valve having two portions that helically engage each other to define an opening that may be adjusted at the top of the sprinkler to a desired arcuate length. The arcuate length may be adjusted by pressing down and rotating a deflector to directly actuate the valve without the need for a hand tool. A method of irrigation is also provided involving moving the deflector between an arc adjustment position and an operational, irrigation position. The sprinkler head may also include a flow rate adjustment valve that may be adjusted by actuation or rotation of an outer wall portion of the sprinkler. Rotation of the outer wall portion causes a flow control member to move axially to or away from an inlet. | 12-02-2010 |
20100294854 | Sprinkler Housing Having A Side Inlet To Reduce Stress Concentrations Thereat - A sprinkler housing having a side inlet with improved strength and durability is disclosed. The housing includes an inlet opening having a shape configured to position regions of peak stress concentration on the housing side walls, upon the sprinkler housing being filled with a pressurized fluid, circumferentially spaced from the upper and lower central points of the inlet opening to provide a more robust sprinkler housing. | 11-25-2010 |
20100176217 | Arc Adjustable Rotary Sprinkler Having Full-Circle Operation - A rotary sprinkler is provided that includes a housing having a riser assembly and a rotatable nozzle turret on an upper end of the riser assembly. The sprinkler includes an arc setting assembly that enables part-circle operation of the turret and a selector assembly that permits selection of either part-circle or full-circle operation of the nozzle turret where the components of the selector assembly are generally separate from the components of the arc setting assembly. | 07-15-2010 |
20100161144 | LATCHING SOLENOID ENERGY RESERVE - An irrigation device including an actuator configured to control water flow to at least one water delivery device, a first stored energy source configured to power the actuator to effect irrigation via the at least one water delivery device, and a second stored energy source which is separate from the first stored energy source, wherein the second stored energy source is configured to power the actuator to terminate the irrigation via the at least one water delivery device. The irrigation devices further includes a controller configured to cause the first stored energy source to power the actuator to effect the irrigation, responsive to an instruction to provide irrigation, and to cause the second stored energy source to power the actuator to terminate the irrigation responsive to a termination condition. | 06-24-2010 |
20100147401 | Sprinkler With Pressure Regulation - A sprinkler pressure regulator module has a compact arrangement with a shiftable member having an upper cavity for receiving water flow debris, and a portion of a bypass valve may reciprocate therein. The module includes a stator plate directing water into a drive mechanism, such as a turbine drive mechanism. The shiftable member receives fluid flow from a radially outboard direction and is sealed with a cup portion receiving the shiftable member to define a cup cavity. A module exterior surface is separated from a sprinkler housing to define a vent cavity. A pressure release vent communicates with the cup cavity, a vent channel between the cup portion and the exterior surface, the vent cavity, and the exterior environment. The vent cavity and cup portion provide receptacles for debris deposit. Ribs around an opening of the vent channel with the vent cavity generally prevent debris from entering the vent channel. | 06-17-2010 |
20100145531 | Modular and Expandable Irrigation Controller - Described herein are several embodiments relating to modular irrigation controllers. In many implementations, the irrigation controllers are modular in that various functional components of the irrigation controller are implemented in removable modules that when inserted into position within the controller, expand the capabilities of the controller. Also described are various different types of expansion modules that may be coupled to the modular controller, having as variety of functions and features, as well as related methods of use and configuration of these modules in the controller. In some embodiments, authentication procedures are provided for one or both of a modular irrigation controller and an expansion module to determine if they are authorized to operate together. | 06-10-2010 |
20100145530 | AUTOMATICALLY ADJUSTING IRRIGATION CONTROLLER WITH TEMPERATURE AND RAINFALL SENSOR - Methods and devices are provided to automatically determine plant water requirements and adjust irrigation in order to make efficient use of water. In one implementation, an irrigation control unit comprises at least one input adapted to be coupled to and receive signals from a rainfall sensor and a temperature sensor, the signals corresponding to current values of an amount of rainfall and temperature. The unit also includes a memory storing historical values of a plurality of variables and a processor coupled to the at least one input and the memory. The processor is adapted to determine plant water requirements at least in part using the historical values of the plurality of variables and the current values of the temperature and the amount of rainfall. | 06-10-2010 |
20100116901 | Irrigation Rotor Sensor - An irrigation sprinkler is for use in distributing water to an area of vegetation, and has a rotatable nozzle for dispersing the water by rotation of the nozzle. A magnet is coupled or connected to the nozzle and rotates synchronously with the rotation of the nozzle. A sensor unit is disposed adjacent to the nozzle and detects a magnetic field generated by the magnet during nozzle rotation to generate a signal indicative of the speed and direction of rotation of the nozzle. | 05-13-2010 |
20100116754 | Pressure Regulator and Filter for Irrigation Systems - A method of operating an irrigation system includes providing a flow of irrigation water, forming a flow of filtered water by removing particulate matter from the flow of irrigation water by using a filter, and directing a first portion of the flow of filtered water to a control valve. The method also includes directing a second portion of the flow of filtered water to a pressure regulator, delivering a flow of water from the pressure regulator to one or more irrigation devices, and automatically cleaning the surface of a filter upon activation or deactivation of the irrigation system. | 05-13-2010 |
20100100247 | MODULAR AND EXPANDABLE IRRIGATION CONTROLLER - Described herein are several embodiments relating to modular irrigation controllers. In many implementations, the irrigation controllers are modular in that various functional components of the irrigation controller are implemented in removable modules that when inserted into position within the controller, expand the capabilities of the controller. Also described are various different types of expansion modules that may be coupled to the modular controller, having as variety of functions and features, as well as related methods of use and configuration of these modules in the controller. In some embodiments, a serial communication bus is provided between a control unit of a modular irrigation controller and an expansion module. | 04-22-2010 |
20100082169 | INTEGRATED CONTROL CIRCUITRY AND COIL ASSEMBLY FOR IRRIGATION CONTROL - An integrated irrigation valve control device has a coil adapted to develop an electromagnetic flux sufficient to cause actuation of irrigation equipment. Control circuitry is electrically coupled to the coil to control the flux at the coil. A housing covers at least a portion of the coil and at least a portion of the control circuitry. | 04-01-2010 |
20090283615 | Nozzle With Improved Close-In Water Distribution - A nozzle is provided having a primary outlet for distribution of water relatively distant from the nozzle and a secondary outlet for distribution of water relatively close to the nozzle. The nozzle includes a threaded portion for coupling the nozzle to a source of pressurized water. A flow channel to the secondary outlet is formed through the threads to provide an appropriate pressure drop to improve water distribution to terrain relatively close to the nozzle. The flow channel may cut across the threads or may extend in the same direction as the threads. The flow channel may be tortuous or non-tortuous based on the number of directional changes in the flow channel, thereby allowing the tailoring of close-in water distribution characteristics. | 11-19-2009 |
20090222141 | WIRELESS EXTENSION TO AN IRRIGATION CONTROL SYSTEM AND RELATED METHODS - Several embodiments provide wireless extensions to an irrigation controller system and related methods of use, as well as other improvements to irrigation control equipment. In one implementation, an irrigation control system includes a transmitter unit including a controller and having a connector to be coupled to an irrigation controller having station actuation output connectors. The controller is configured to receive an indication that the irrigation controller has activated an irrigation station, and is also configured to cause the transmitter unit to transmit a wireless activation signal responsive to the indication. A receiver unit is coupled to an actuator coupled to an actuatable device, such as an irrigation valve, the actuator configured to actuate the irrigation valve to control the flow of water therethrough. The receiver unit receives the wireless activation signal and in response, causes the actuator to actuate the actuatable device. | 09-03-2009 |
20090188988 | SPRAY NOZZLE WITH INVERTED FLUID FLOW AND METHOD - A spray nozzle and method are provided in which fluid flow through the nozzle is inverted and in which a portion of a nozzle body may be rotatable adjusted to distribute water in a desired arc of coverage. Water first flows upwardly through the nozzle body, into an adjustable arcuate chamber defined by a helical interface in the nozzle body, is inverted, and is redirected downwardly through the nozzle body. Water may flow upwardly through a first set of flow passages and downwardly through a second set of flow passages. Water is directed downwardly against a distribution surface having an uneven surface profile for improved water distribution to terrain near to and distant from the nozzle. The water is directed downwardly against the distribution surface in the nozzle body and outwardly to surrounding terrain. The flow passages may be adapted to provide a matched precipitation rate for nozzles with different throw radiuses. | 07-30-2009 |
20090173397 | Equipment Housing with Access Knockouts - A housing to cover equipment disposed underground has a main body with at least one wall forming an interior space, at least one flange extending at least outwardly from the main body, and at least one knockout. The knockout has a wall section forming part of the wall of the main body and that is selectively detachable from the wall for providing an opening into the interior space. At least one flange section extends from the wall section at the flange and is selectively detachable from the flange. | 07-09-2009 |
20090135629 | Universal Irrigation Controller Power Supply - Described herein are systems, methods and apparatuses for providing power to an irrigation controller. In one implementation, an apparatus comprises an alternating current (AC) to direct current (DC) voltage converter configured to convert an input AC voltage into a DC voltage. An AC voltage generator is coupled to the AC to DC voltage converter, wherein the AC voltage generator is configured to generate an output AC voltage using the DC voltage. The AC voltage generator is further coupled to the irrigation controller, and the AC voltage generator is configured to supply the output AC voltage to the irrigation controller. | 05-28-2009 |
20090099701 | Remote Access to Irrigation Control Systems - The present embodiments provide methods, apparatuses, and systems for use in remotely accessing irrigation control systems. Some embodiments provide irrigation control systems that comprise a local irrigation system comprising a plurality of satellite irrigation controllers coupled with water delivery devices, and a computer coupled with a distributed network and the local irrigation system. The computer comprises a processor coupled with memory storing a central irrigation control that when implemented through the processor communicates with the satellite irrigation controllers to control the satellite irrigation controllers to implement irrigation by activating one or more of the water delivery devices, and a network service that when implemented by the processor provides a communication interface between the central irrigation control and the distributed network allowing irrigation information to be communicated between the central irrigation control and at least one remote device accessing the distributed network. | 04-16-2009 |
20090076659 | Wireless Extension to an Irrigation Control System and Related Methods - Several embodiments provide wireless extensions to an irrigation controller system and related methods of use, as well as other improvements to irrigation control equipment. In one implementation, an irrigation control system includes a transmitter unit including a controller and having a connector to be coupled to an irrigation controller having station actuation output connectors. The controller is configured to receive an indication that the irrigation controller has activated an irrigation station, and is also configured to cause the transmitter unit to transmit a wireless activation signal responsive to the indication. A receiver unit is coupled to an actuator coupled to an actuatable device, such as an irrigation valve, the actuator configured to actuate the irrigation valve to control the flow of water therethrough. The receiver unit receives the wireless activation signal and in response, causes the actuator to actuate the actuatable device. | 03-19-2009 |
20090031626 | Root Watering System and Method Therefor - A root watering system has a porous body and an end assembly connected to the porous body. The end assembly has a fluid emitter and integrally defines an inlet passage for directing fluid to the fluid emitter for providing fluid to the porous body. The assembly also may be fitted with an integral valve. | 02-05-2009 |
20090008484 | Spray Nozzle With Selectable Deflector Surfaces - An irrigation sprinkler spray nozzle is provided that includes a first deflector surface defining a first configuration to project a fluid spray having a first distribution pattern, and a second deflector surface defining a second configuration to project a second fluid spray having a second, different distribution pattern. To select the fluid spray, the nozzle further includes a selector having a first position to select the first deflector surface and a second position to select the second deflector surface. | 01-08-2009 |
20080319585 | Modular and Expandable Irrigation Controller - Described herein are several embodiments relating to modular irrigation controllers. In many implementations, the irrigation controllers are modular in that various functional components of the irrigation controller are implemented in removable modules that when inserted into position within the controller, expand the capabilities of the controller. Also described are various different types of expansion modules that may be coupled to the modular controller, having as variety of functions and features, as well as related methods of use and configuration of these modules in the controller. In one implementation, an expansion module is provided that includes a microcontroller capable of sending and receiving data communications to and from a main microcontroller of the controller that executed irrigation programs, the data communications relating to an irrigation program. | 12-25-2008 |
20080289693 | Diaphragm Valve for Irrigation Systems - A diaphragm valve for use in an irrigation system is disclosed that is adapted to reduce the water hammer effect, reduce debris in a flow path through a valve seat, improve bleed operation and/or reduce manufacturing and materials costs. | 11-27-2008 |
20080288117 | Modular and Expandable Irrigation Controller - Described herein are several embodiments relating to modular irrigation controllers. In many implementations, the irrigation controllers are modular in that various functional components of the irrigation controller are implemented in removable modules that when inserted into position within the controller, expand the capabilities of the controller. Also described are various different types of expansion modules that may be coupled to the modular controller, having as variety of functions and features, as well as related methods of use and configuration of these modules in the controller. In some embodiments, authentication procedures are provided for one or both of a modular irrigation controller and an expansion module to determine if they are authorized to operate together. | 11-20-2008 |
20080288116 | Automatically Adjusting Irrigation Controller - Methods and devices are provided to automatically determine plant water requirements and adjust irrigation in order to make efficient use of water. In one implementation, an irrigation control unit comprises a memory storing historical values of a plurality of variables used at least in part in calculating plant water requirements, and at least one input adapted to receive signals corresponding to current values of one or more of the plurality of variables. The unit also comprises a processor coupled to the at least one input and the memory, the processor adapted to determine the plant water requirements at least in part using, for each of the plurality of variables, a current value in the event the current value is available and at least in part using, for each of the plurality of variables, a stored historical value in the event the current value is not available. | 11-20-2008 |
20080277499 | SPEED CONTROL APPARATUS FOR A ROTARY SPRINKLER - A turbine for a sprinkler is disclosed for self-governing its rotational velocity. As a rate of fluid through the sprinkler increases, particularly when air is used to flush the sprinkler system, a portion of the turbine shifts outwardly so as to decrease alignment of vanes located thereon with directed water streams for controlling the rotation of the turbine. | 11-13-2008 |
20080275595 | Wireless Irrigation Control Device and Related Method - Embodiments of the invention provide wireless irrigation control systems and related methods. In one embodiment, the invention may be characterized as a wireless irrigation control system comprising: at least one water flow control device; a watertight housing; and a wireless receiver within the watertight housing and adapted to receive irrigation schedule related signals. The system also includes a memory within the watertight housing and adapted to store an irrigation schedule established or modified by the received irrigation schedule related signals; and a controller within the watertight housing and coupled to the memory, the controller adapted to execute the irrigation schedule to cause the water flow control device to operate according to the irrigation schedule. Additionally, a power supply is within the watertight housing and adapted to supply power to at least the controller. | 11-06-2008 |