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7621464 |
Variable velocity sprinkler transmission
A sprinkler having a water-driven drive mechanism or motor for rotating a sprinkler head is disclosed where the drive mechanism converts a constant input rate into a variable rate to reduce tailing...
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7600699 |
Sprinkler top with co-molded seal for riser and body
A top for a pop-up type irrigation sprinkler that utilizes a riser that pops up from a stationary sprinkler body in accordance with an embodiment to the present invention includes a cap which is...
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7530504 |
Clutch for rotor-type sprinkler
A sprinkler includes a riser, an impeller mounted in the riser, and a nozzle rotatably mounted at an upper end of the riser. A drive assembly couples the impeller and the nozzle. A clutch in the...
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7500620 |
Telescoping pop-up sprinkler
The telescoping pop-up sprinkler includes a telescoping piston assembly that allows the piston assembly of the pop-up to extend upwards at a greater height than the length of the pop-up sprinkler...
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7500619 |
Method and apparatus for reducing the precipitation rate of an irrigation sprinkler
A method and apparatus for reducing the effective precipitation rate of an irrigation sprinkler during an irrigation cycle without disrupting the supply of pressurized water from the source opening...
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7481377 |
Method for cleaning pool surface
A method for cleaning a pool surface is carried out by structure having a protruding nozzle assembly mounted in a side wall of a swimming pool in communication with a source of water for ejecting...
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7458522 |
Covered bubbler head for a drinking fountain
A protective cover is provided for substantially enclosing and protecting a bubbler head of a drinking fountain or the like against contamination when water flow to the bubbler head is turned off....
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7404525 |
Nozzle base clutch
A rotary sprinkler having a rotatable nozzle assembly for watering an arc of ground traversed or swept by the nozzle assembly as the nozzle assembly rotates is disclosed. Oscillating rotation is...
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7389942 |
Pop-up bubbler assembly for dispensing fluid
A pop-up bubbler assembly for drinking fountains or other appliances that includes a head with a dispensing spout that rises upward out of a housing to dispense an arc of clean water when...
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7360718 |
Sprinkler housing with side inlet
The invention is directed to a sprinkler body having a side inlet and improved strength and durability. The side inlet is reinforced with additional structure at a cylindrical wall defining the...
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7322533 |
Rotary stream sprinkler with adjustable deflector ring
A sprinkler includes a riser having an inlet end and an outlet end. A nozzle is rotatably supported at the outlet end of the riser and has a plurality of circumferentially spaced, radially...
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7318556 |
Water line safety valve
A safety valve for a lawn sprinkler system having at least one subterranean flow line and at least one head for spraying irrigation water. The valve includes a tubular member connected between the...
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7303153 |
Side and corner strip nozzle
A spray head provided with a plurality of nozzles defined by a base and a deflector cap. Each nozzle is provided with a deflector portion or nozzle plate for directing an upward traveling fluid in...
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7296758 |
Automatic lift faucet
An automatic lift faucet includes a hydraulic cylinder vertically mounted under a working top, the hydraulic cylinder having an inlet. A lifting faucet is mounted in motion fitting connection...
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7293721 |
Check valve assembly for sprinkler head
A check valve assembly has a coupling sleeve with a first end for connection to a pop-up or fixed sprinkler head and a second end for connection to a water supply, the coupling sleeve incorporating...
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7287711 |
Adjustable arc rotor-type sprinkler with selectable uni-directional full circle nozzle rotation
A sprinkler includes a drive mechanism mounted in a riser that rotates a nozzle at the top of the riser. The drive mechanism enables a user to select between oscillation of the nozzle through an...
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7232078 |
Speed limiting for rotary driven sprinkler
A speed limiting mechanisms for turbine-driven fluid distribution apparatus usable with compressible fluid such as compressed air and incompressible fluid such as water. Dynamic viscous damping of...
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7226003 |
Rotary drive sprinkler with flow control and shut off valve in nozzle housing
A flow shut off or throttling valve is provided in a sprinkler nozzle housing to enable a nozzle to be changed without having to turn off a flow pressure source. The valve intersects a flow path...
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7191958 |
Revolving lawn sprinkler
A revolving lawn sprinkler comprises a rotary guide plate by which the water flow is so controlled as to actuate a lobed wheel, which in turn actuates a rotary disk via a transmission mechanism. A...
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7152814 |
Adjustable spray pattern sprinkler
A sprinkler has a housing with an inlet portion and an outlet portion in which a first outlet aperture is formed. The first outlet aperture may cooperate with other outlet apertures to define a...
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7134507 |
Method and apparatus for detecting a sprinkler actuation event
A method of detecting the actuation of a sprinkler involves sensing a first fluid pressure at a first flow cross section, in one of the sprinkler and a conduit in which the sprinkler is mounted,...
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7121477 |
Sprinkler system with relief and backflow preventer valve and warning system
This above ground sprinkler system for a water supply provides a main supply hose having an inlet connected to the water supply and an outlet. A main valve is disposed between bib end of the hose...
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7097116 |
Underground sprinkler with pop-up head
An underground sprinkler with a pop-up head and a corresponding underground casing has two differentiated cylindrical parts, closed by a corresponding cover fixed to the pop-up sprinkler head,...
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7090146 |
Above-ground adjustable spray pattern sprinkler
An above-ground sprinkler may have a head that rotates about an angle determined by the relative angles between a pair of arc adjustment rings. Rotation of the head may be driven by a drive...
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7048208 |
Pop-up sprinkler including water spray diverter
A pop-up sprinkler includes a base member positionable above a ground surface and a sprinkler head having a substantially cylindrical conduit provided with a proximal end portion in fluid...
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7032836 |
Adjustable arc, adjustable flow rate sprinkler
A sprinkler head includes a base; an elongated stem having an inlet supported within the base; a nozzle and a stream deflector supported within the stem, the nozzle and stream deflector cooperating...
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7028920 |
Adjustable arc sprinkler with full circle operation
The present invention provides a sprinkler with both a reversing part-circle mode and a non-reversing full-circle mode. More specifically, the present invention provides a mechanism for disengaging...
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6971588 |
Pop-up cleaning head for swimming pool and method
A cleaning head for installation in a swimming pool floor fitting ( 9 ) includes a pop-up cylinder ( 5 ) having a plurality of first camming elements ( 44 ) disposed on its outer wall, a...
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6964379 |
Exterior fire suppression system and method for installation
An exterior fire suppression system includes a sprinkler system that is connected to a water supply. The sprinkler system is mounted within the structure and is substantially hidden from view when...
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6957782 |
Irrigation spray nozzle with two-piece color identifier and radially shaped orifice
An exterior portion of the nozzle with a top side viewable from above the turf or ground surface mates with a base portion of the nozzle to define a nozzle orifice and a flow path leading to the...
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6942164 |
Rotating stream sprinkler with turbine speed governor
A rotating stream sprinkler of the type having a rotatable deflector with spiral vanes engaged by one or more water jets for imparting a rotary drive torque to the deflector, which converts the...
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6905078 |
Headlamp washer system
A spraying device comprising a housing 12 containing a top and bottom portion defining a chamber therein for fluid ingress and egress into the bottom portion wherein the housing includes an outer...
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6899285 |
Partially rotating above surface nozzle
A protruding nozzle assembly, mounted in a side wall of a swimming pool in communication with a source of water, will eject through a nozzle of a nozzle housing a stream of water at a predetermined...
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6894586 |
Radial bulk annular resonator using MEMS technology
A MEMS resonator includes an annular resonator body defined by an inner radius and an outer radius, a first electrode positioned within the inner radius and spaced from the resonator body, and a...
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6848632 |
Pop-up irrigation sprinkler having bi-level debris strainer with integral riser ratchet mechanism and debris scrubber
A frusto-conical strainer is mounted on the lower end of a pop-up riser for filtering out debris from water entering the lower inlet end of a surrounding outer housing to prevent clogging of the...
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6814304 |
Rotating stream sprinkler with speed control brake
A rotating stream sprinkler of the type having a rotatable deflector for sweeping small streams of irrigation water in a radially outward direction to irrigate adjacent vegetation, wherein the...
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6799732 |
Water sprinkler head with integral off-on water flow control valve and adaptive fittings therefor
A sprinkler head assembly comprised of a base located at the upper end of a riser tube and which base carries an insert with an opening allowing for distribution of water. In accordance with the...
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6705548 |
Nozzle for spraying a surface and method of spraying
A nozzle for spraying surfaces is equipped with a piston rod centrally arranged in a feeding duct. The piston rod has an impact plate which is held by a spring in a position aligned with the...
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6695223 |
Adjustable stator for rotor type sprinkler
An adjustable stator is mounted in the lower end of a pop-up sprinkler riser and includes a vertically extending frame portion and a pair of valve portions that extend horizontally from an upper...
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6651904 |
Multi-jet watering nozzle with counter-rotating elements for underground pop-up sprinkler
A watering nozzle ( 16 ) for underground pop-up sprinkler ( 1 ) comprises a bottom part ( 17 ) and a top part ( 37 ) comprising a distribution cylinder ( 40 ). The bottom part ( 17 ) is provided...
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6648241 |
Life extending, pop-up sprinkler insert
A life extending, pop-up sprinkler comprising a riser pipe, a collar, a pop-up shaft with a threaded head, an O-ring, a weight, and a spray insert. The riser pipe is threaded at both ends. The...
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6629648 |
Height adjustable riser for a sprinkler
An adjustable riser for adjusting the elevational position of an irrigation sprinkler with respect to the surrounding ground level and/or with respect to the height of surrounding vegetation to be...
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6629569 |
Pop up roof sprinkler system
A pop up roof sprinkler system includes a building having a roof, a fire retardant solution, a dispensing tube that has a distal portion extending outwardly from the roof, and a cap member. The cap...
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6601244 |
Apparatus for cleaning swimming pools
A removable retainer for holding a nozzle stem in a body has opposed indentations for receiving the tines of a forded tool. The periphery of the retainer and the inner edge of the body are relieved...
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6547159 |
Connector kit for irrigation devices
Kits ( 29 ) for increasing the height of sprinkler water origination include reducing connectors ( 14 )( 14 a )( 14 b ) or variants thereof The connectors have a wide cylindrical member ( 21 )( 21...
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6530531 |
Riser tube with slotted ratchet gear for pop-up irrigation sprinklers
A pop-up sprinkler of the type that includes a riser that moves upwardly out of a sprinkler housing when water pressure is applied and that allows manual adjustment of the angular orientation of...
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6502764 |
Pop-up sprinkler with internal debris cup
A pop-up sprinkler is provided with an internally mounted and upwardly open debris cup for capturing debris such as dirt and pebbles falling into the sprinkler, to prevent such debris from...
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6499678 |
Shut-off mechanism for sprinklers
The combination of a case enclosed sprinkler and shut-off valve having the dual function of shutting off the flow of water to a case enclosed sprinkler so that case enclosed sprinkler can be...
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6494386 |
Sprinkler head housing
A sprinkler head housing encloses, supports, and provides access to a sprinkler head in order to allow maintenance and access to the sprinkler head. The sprinkler head housing includes a top and a...
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6488218 |
Sprinkler head conversion for pop-up assembly
A pop-up sprinkler assembly includes a cylindrical housing having a cap on an upper end thereof, the cap having an opening, a lower end of the cylindrical housing having an internal thread for...
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