|
Match
|
Document |
Document Title |
|
|
7617994 |
Working space enclosure for underground sprinkler heads
A sprinkler head housing for allowing access to sprinkler heads and shafts for maintenance and repair. More particularly, the present invention relates to a device which allows for, and encloses, a...
|
|
|
7597273 |
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...
|
|
|
7571496 |
Rotating pop up pool cleaning head
A pop up nozzle assembly useful for cleaning swimming pool surfaces is disclosed. The present invention includes a continuously rotating spray nozzle, a water driven impeller, gearing to move the...
|
|
|
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...
|
|
|
7478526 |
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...
|
|
|
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...
|
|
|
7392956 |
Rotary sprinkler with arc adjustment guide and flow-through shaft
A rotary sprinkler having an adjustable arc segment whose angular extent and absolute direction relative to the ground are represented by an arc indicator, which arc indicator may comprise a band...
|
|
|
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...
|
|
|
7287712 |
Closed case oscillating sprinkler
An oscillating sprinkler head transmission for alternately driving an output shaft and sprinkler head nozzle to oscillate it with spring bias being provided to prevent the transmission from being...
|
|
|
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...
|
|
|
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...
|
|
|
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...
|
|
|
7152255 |
Swimming pool return flow nozzle
A pool return nozzle assembly, wherein water enters through the gear sleeve assembly causing the turbine blade assembly to turn, which then causes the oscillation of the gear assembly and which...
|
|
|
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,...
|
|
|
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...
|
|
|
7040553 |
Rotor type sprinkler with reversing mechanism including sliding clutch and driven bevel gears
A Pelton type turbine is mounted in a riser of a pop-up sprinkler for rotation about a horizontal axis and drives a central bevel pinion gear through a gear train reduction. Upper and lower bevel...
|
|
|
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...
|
|
|
7017831 |
Sprinkler system
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...
|
|
|
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...
|
|
|
6945471 |
Rotary sprinkler
A rotary sprinkler having an adjustable arc segment whose angular extent and absolute direction relative to the ground are represented by an arc indicator, which arc indicator may comprise a band...
|
|
|
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...
|
|
|
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...
|
|
|
6871795 |
Irrigation sprinkler with easy removal nozzle
An irrigation sprinkler includes a head having a first water outlet passage that communicates with a nozzle receiving socket. A nozzle is slidably mounted in the nozzle receiving socket. The nozzle...
|
|
|
6854664 |
Self-camming snap ring for pop-up sprinkler with top serviceable diaphragm valve module
A diaphragm valve module is mounted in the lower end of the outer housing of a pop-up rotor type sprinkler for controlling the flow of water through an inlet in response to actuation of a valve...
|
|
|
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...
|
|
|
6840460 |
Rotor type sprinkler with insertable drive subassembly including horizontal turbine and reversing mechanism
A sprinkler includes an outer housing having a lower end connectable to a source of pressurized water and a riser that is vertically reciprocable within the outer housing between extended and...
|
|
|
6827291 |
Reversible adjustable arc sprinkler
A reversible, adjustable arc sprinkler head comprising a sprinkler body incorporating a fixed nozzle; a spray plate mounted on one end of a support cage for rotation with the support cage in one or...
|
|
|
6817543 |
Toggle over-center mechanism for shifting the reversing mechanism of an oscillating rotor type sprinkler
A Pelton type turbine is mounted in a riser of a pop-up sprinkler for rotation about a horizontal axis and drives a bevel pinion gear reversing mechanism through a gear train reduction. One end of...
|
|
|
6742720 |
Spray application system
A spray application system is disclosed having an enclosure with a spray chamber, a spray applicator within the chamber, and a liquid barrier such as a sprayed water curtain, within the chamber,...
|
|
|
6732950 |
Gear drive sprinkler
An improved gear drive sprinkler has a pop-up spray head adapted for adjustable part-circle or full circle operation to deliver irrigation water over a selected terrain area. The sprinkler includes...
|
|
|
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...
|
|
|
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...
|
|
|
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...
|
|
|
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...
|
|
|
6491235 |
Pop-up sprinkler with top serviceable diaphragm valve module
A top serviceable pop-up sprinkler includes a main cylindrical outer housing having a female threaded inlet at a lower end thereof A spring biased tubular riser is mounted inside the outer housing...
|
|
|
6478237 |
Enclosed pop-up sprinklers with shielded impact arms
A dirt-resistant bearing system for a sprinkler unit with a rotatable turret having a central shaft extending into a support channel formed within an inner housing. The central shaft may be formed...
|
|
|
6457656 |
Pop-up sprinkler with inwardly deflectable velocity control disc
A pop-up sprinkler includes an outer housing having an inlet passage and an inlet for connection to a source of pressurized fluid. A riser is mounted in the housing for moving from a normally...
|
|
|
6438766 |
Swimming pool bottom flushing device
A swimming pool bottom flushing device comprising a tubular supporting arrangement attached to a pipe arranged at the bottom of a swimming pool, and a water ejector nozzle axially fitted into said...
|
|
|
6364217 |
Reversing gear drive system for irrigation sprinklers
A reversing gear drive system is provided in an irrigation sprinkler for reversibly shifting the direction of rotation of a sprinkler spray head for back and forth part-circle rotation between...
|
|
|
6357668 |
Pop-up sprinkler insert
A life extending, pop-up sprinkle 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 lower...
|
|
|
6332581 |
Rotary sprinkler nozzle
A sprinkler nozzle for a rotary sprinkler comprises two water flow passages extending therethrough, namely an upper passage and a parallel lower passage. The upper passage includes a straight,...
|
|
|
6260770 |
Sprinkler and sealing assembly therefor
A rotary sprinkler comprising a stationary housing, a distribution member rotatable with respect to said housing, a stationary fluid supply member being in flow communication with an inlet port of...
|
|
|
6227455 |
Sub-surface sprinkler with surface accessible valve actuator components
A pop-up sprinkler has a diaphragm-type valve in the lower end thereof which is actuated by a remote pilot valve. The pilot valve may be either solenoid actuated, or hydraulically actuated by a...
|
|
|
6209801 |
Closed-case impact sprinklers with fitted fluid seal assemblies
A dirt-resistant bearing system for a sprinkler unit with a rotatable turret having a central shaft extending into a support channel formed within an inner housing. The central shaft may be formed...
|
|
|
6186413 |
Debris tolerant inlet control valve for an irrigation sprinkler
An improved inlet control valve is provided for controlling water inflow to an irrigation sprinkler, wherein the inlet control valve exhibits improved tolerance to passage of small grit and debris....
|
|
|
6182909 |
Rotary nozzle assembly having insertable rotatable nozzle disc
A rotary drive sprinkler has a nozzle assembly having a recess in a cylindrical housing for receiving a cylindrical nozzle selection disc having a plurality of nozzle openings. The cylindrical...
|
|
|
6155493 |
Closed-case impact sprinklers
A closed-case impact sprinkler unit having an outer case and an internally positioned riser sleeve that is upwardly extendable into a pop-up position. The riser sleeve may be formed with an...
|
|
|
6152651 |
Underground sprinkler elevating apparatus and method
An apparatus for raising a component of an underground sprinkler including a hydraulic actuator in fluid communication with a pressurized fluid source normally associated with an underground...
|
|
|
6050502 |
Rotary sprinkler with memory arc mechanism and throttling valve
A pop-up rotary sprinkler with adjustable arc limits has a memory arc mechanism separate from its arc adjustment and head reversing mechanisms for automatically returning the head to oscillation...
|
|
|
6050500 |
Adjustable riser for an irrigation sprinkler
An adjustable riser is provided for coupling an irrigation sprinkler to a water supply line, wherein the riser is adapted for quick and easy longitudinal adjustment to variably select the...
|