Abstract: The present invention discloses a water outlet device, which comprises a water outlet body, wherein a water passing device consisting of a connecting seat, an impeller water distribution disc and a main body is arranged in the water outlet body, the impeller water distribution disc is arranged between the connecting seat and the main body, a primary water-passing hole is arranged on the impeller water distribution disc, at least two secondary water-passing holes connected with different water paths are arranged on the main body, a lower stop block in an annular array is arranged on the main body, an upper stop block in an annular array is arranged in the connecting seat, a water inlet capable of driving the impeller water distribution disc is also arranged on the main body, the impeller water distribution disc is also matched and connected with a switching device, the switching device can control the impeller water distribution disc to move upwards or downwards.

Abstract: A nozzle head (1) for discharging a suspension which is under pressure and which includes a fluid and abrasive agent, with at least one nozzle (8) including at least one exit opening (20) for the exit of the suspension. The nozzle head (1) includes at least one first drive device (17?), by way of which the nozzle head can be rotated about a first axis (A1).

Abstract: Manual, automated, or semi-automated programmable tank cleaning nozzle systems, devices and methods for providing safe and efficient methods for breaking up oil, tar, chemical, radioactive, hazardous, or any other liquid, solid, or sludge waste inside storage tanks, ballast tanks, floating roof tanks, void tanks, rail tank cars and the like with nozzles which utilize fluid jets to break up, liquefy, and motivate tank material. The programmable tank cleaning nozzle incorporates two degrees of freedom and can be mounted to existing booms, robotic arms, gantry systems, rigid beams, manways, or any other rigid structure. The programmable tank cleaning nozzle can be a standalone, independent unit or integrated into new designs and/or existing systems. Simplified programming and user interface allowing an operator to remotely operate the system without the need for a camera system. The system is hydraulically controlled and can work in the presence of flammable vapors and dust.

Abstract: A kinesthetic waterpark is provided wherein a child or children move at least one lever to prime a pump system which moves water from a water tank to tubing running along the frame of a canopy. The waterpark may be combined with a wagon or may be used as a standalone recreational waterpark. The waterpark includes a center post connected to a detachable canopy and a pumping system, wherein the pumping system includes a water tank or reservoir, a device to pump the water, and tubes which dispense the water in a desired pattern. In a preferred embodiment, the kinesthetic waterpark is mounted to a wagon, wherein the wagon includes a water sealed seating area with a drainage port, the center post and detachable canopy, and a pumping system.

Abstract: A specialty nozzle is provided having a pattern adjustment 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 is adjustable to function as a 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. Other specialty nozzles are provided having a fixed pattern template to irrigate a rectangular area, such as left strip, right strip, or side strip.

Abstract: An irrigation device includes a body defining a fluid passage; a slider movably coupled to the body, wherein the slider includes a body defining a plurality of apertures and a plurality of projections extending away from the body; a plurality of flexible jets coupled longitudinally to the body, wherein the plurality of flexible jets receive fluid from the fluid passage, and wherein each jet is received by an aperture in the plurality of apertures of the slider; and a toggle rotatably coupled to the body and to the slider, wherein the toggle is rotatably coupled to the body in substantial alignment with the plurality of jets, and wherein rotation of the toggle in a first direction moves the slider to cause at least one projection of the slider to engage with at least one jet to adjust a position of the at least one jet.

Abstract: A slow area massage water outlet device has an impeller, a planetary gear speed reduction mechanism, a rotating water blocking plate, a water diversion member and a water outlet member; the planetary gear speed reduction mechanism is respectively communicated with the impeller and the rotating water blocking plate; the impeller is rotated by a planetary gear decelerating mechanism to rotate the water blocking plate; the water diversion member has at least two separately isolated water diversion cavities; one end of the water diversion cavity is a water inlet end and the other end is a water outlet end; the water outlet end of each of the water diversion cavities is respectively communicated with the water outlet holes of different areas in the water outlet member; the rotating water blocking plate has a water outlet and a water sealing surface.

Abstract: A linear oscillating water jet is capable of spraying in a linear oscillating fashion without deviating from a consistent linear path such that a resulting linear spray does not extend beyond a targeted area. Through the use of an internal turbine, energy from an incoming pressurized liquid is used to create rotational motion, which is subsequently converted into an oscillatory, back and forth linear motion by way of a rocker assembly that connects a nozzle assembly to the internal turbine. The oscillatory, linear motion of the rocker assembly is translated into a linear, back and forth rocking motion for the nozzle assembly.

Abstract: An oscillation system suitable to convert a manual water monitor into an automated oscillating water monitor, without adversely changing the ergonomic orientations of the water monitor, comprising a flange configured to couple the water monitor to a standpipe and provide a source of motive water, and a conversion device to convert motive water to monitor oscillations.

Abstract: A massaging and scrubbing device for massaging and cleansing a user includes a housing that defines an internal space. A plurality of brushes is rotationally coupled to a front of the housing. A handle is coupled to and extends from the housing. The handle is hollow. A rotator is coupled to the housing and is positioned in the internal space. The rotator is selectively operationally couplable to the plurality of brushes. The rotator is positioned to rotate the brushes to massage the user. At least one orifice is positioned through the front of the housing. A dispenser is coupled to and positioned in the handle. The dispenser is fluidically coupled to the at least one orifice. The dispenser is configured to selectively compel liquid soap through the at least one orifice to lather the user.

Abstract: A fluid-ejection device includes a first member having a fluid inlet; a second member that can be moved relative to the first member; and a control member arranged to be at least in a first condition, in which the control member is at least substantially inside the second member during a first stroke of the second member in which fluid flow through the second member and discharge is prevented; and a second condition, in which the control member is at least substantially outside the second member during a second stroke of the second member, allowing fluid flow through the second member and discharge. A seal member has a first surface engaged with the first member, a second surface engaged with the second member, and a third surface arranged to be engaged with the control member in the first condition.

Abstract: An air blowing device is numerically controllable. An air blowing device includes a feed base, a nozzle base arranged at a distal end of the feed base, a spindle housing arranged in the nozzle base, a spindle rotatable about a rotation axis, a nozzle block including a first nozzle, and a first fluid channel for feeding dry air to the first nozzle and including a first main pipe, a first annular channel, a first connecting tube, and a first communication channel communicating with the first annular channel and the first nozzle.

Abstract: A centrifugal water spray structure is provided. The centrifugal water spray structure includes: a chamber having a chamber axis and an opening, a water jetting device for jetting water into the chamber in a direction not parallel to the chamber axis, thereby creating a vortex flow in the chamber, and a rotary plug received in the chamber. One end of the rotary plug abuts an edge of the opening of the chamber in a manner that sealing is formed between the rotary plug and the edge of the opening, and the other end of the rotary plug is a free end so that the rotary plug is able to be driven to rotate about the chamber axis by the vortex flow. A plug water passage is formed inside the rotary plug. Further, a showerhead using the centrifugal water spray structure is provided.

Abstract: Disclosed is a combined shower head with cool water discharging function, which comprises two shower heads; the first shower head is disposed with an inlet passage, a first outlet portion and a first water diversion passage connected to the first outlet portion, the second shower head is disposed with a second outlet portion; the first shower head is further disposed with a water supply passage, a cool water discharging passage connected to the inlet passage, a temperature sensing component disposed in the cool water discharging passage and a control mechanism, the control mechanism is coupled to the inlet passage and the water supply passage to control the connection and disconnection of the inlet passage and the water supply passage. The present invention has advantages: the structure is simple, compact and low cost; the user can assemble the shower head fast and conveniently.

Abstract: An air compressor system useful for supplying a stream of compressed air for an end user is disclosed which includes a refrigerated dryer useful to remove moisture and harvest it from the compressed air. The refrigerated dryer includes an evaporator and a condenser, where the evaporator is useful to produce the moisture from the compressed air. The air compressor system includes an expansion tank which collects the harvested moisture from the evaporator and a supply line from a utility water supply, both of which can be used to provide liquid to a condenser of the dryer. A valve is used to bring together either or both of the condensate from the expansion tank and water from the utility water supply. The valve includes an outlet that provides liquid to a condenser of the dryer.

Abstract: The fluid-ejection device (100) comprised a first member (110) having an inlet suitable for being connected to a source of fluid (120); a second member (130) that can be moved relative to the first member (110); and a control member (150) arranged to be at least in a first condition, in which the control member (150) is at least substantially inside the second member (130) preventing the flow of fluid through the second member (130) to define a first stroke (S1) of the second member (130) where no discharge of fluid is allowed out of the device (100); and a second condition, in which the control member (150) is at least substantially outside the second member (130) allowing the flow of fluid through the second member (130) to define a second stroke (S2) of the second member (130) along which discharge of fluid is allowed out of the device (100).

Abstract: A rotary sprinkler comprises a nozzle head and at least 8 nozzles supported by the nozzle head. The nozzles are configured to discharge water streams at substantially the same velocity, but to different radial distances from the nozzle head. Each water stream produces a spray pattern that overlaps at least one adjoining spray pattern.

Abstract: A tree sprinkler comprising curved articulating watering extensions pivotally connected to a central tubular housing, allowing the sprinkler to be placed around the trunk of a tree. The pivotal connections allow the extensions to open to any size. The extensions are preferably rigid and have nozzles or the like to spray the trunk of the tree or shrubs. The extensions may be removable and/or extendable to accommodate varying sizes of trees or shrubs.

Abstract: An oscillating sprinkler that includes a frame with a first boom and a second boom engaged therewith. The booms are oriented generally parallel to each other and each of the first and second booms rotates about an axis that extends along the boom's length of the respective first or second boom. The first and second booms rotate in opposite directions to each other and are synchronized so that they rotate toward each other or away from each other in unison. First and second booms are operatively engaged with gears that are driven by a water-powered motor. One or more valves may be provided to shut off or reduce water flow from one or both of the booms. The watering pattern from the booms is such that water tends to be more evenly distributed over a ground surface upon which the sprinkler is placed.

Abstract: A rotary driven sprinkler with adjustable flow rate and distance control where the change in distance of the coverage outwardly from the sprinkler is directly proportional to the change in flow rate. The flow rate at a selected sprinkler design pressure and installed nozzle may be indicated on the top of the sprinkler nozzle housing and its distance of coverage may be set. Also a changeable nozzle with a settable stream elevation angle may be provided using the nozzle retention screw.

Abstract: The high flow water return filling of the present invention is designed to connect directly to the end of a water return pipe in a swimming pool, spa, or the like. Water return fittings have been available for many years and have the primary purpose of returning filtered water back into a swimming pool, spa, or the like. However, the water return fitting of the present invention does not only return water into the swimming pool, it also substantially increases the water outflow so that a greater area of water in the pool can be circulated or agitated. In addition, the present invention has a uniquely curved nozzle that does not extend past the face plate, thus, the nozzle does not extend more than one inch from the swimming pool wall. The outflow from the nozzle creates a low pressure condition within the face plate.

Abstract: The present invention is directed to a rotor or sprinkler that allows its watering arc to be rotated, increased, or decreased by user-rotation of the sprinkler's rotating nozzle base.

Abstract: A sprinkler includes a base, a positioning collar connected to the base, a gear box connected to the positioning collar and a sprinkling member which is co-rotated with the gear box, and a bypass tube connected between the positioning collar and the sprinkling member. The positioning collar is connected with a hose for introducing water to drive the gear box and the sprinkling member. A portion of the water from the hose enters the bypass tube and is introduced into the other end of the sprinkling tube. The water is introduced into the sprinkling tube from two positions to increase the volume of the water ejected from the sprinkling tube so as to cover a larger area.

Abstract: A percussive sprinkler includes a base having a supporting portion and a mounting portion. An inlet pipe is secured on the mounting portion for guiding water into the percussive sprinkler. A guide frame is rotatably mounting on the inlet pipe. A watering tube is mounted on the inlet pipe and communicates with the inlet pipe for spraying water from the inlet pipe. The guide frame has a tube coupling extending therefrom near the inlet pipe and the watering tube is mounted onto the tube coupling such that the eater from the inlet pipe firstly sprays out from the watering tube before flowing to the spray head of the guide frame.

Abstract: An atomizing nozzle assembly (1) for pneumatically operated cleaning equipment with a nozzle body (2), in which a nozzle pipe (12) can rotate in bearings, is improved with regard to safe function and long service life to the effect that a disc section (24) of a stop element (23) arranged on the inlet side of the nozzle pipe (12) has a smaller outer diameter (26) than the inner diameter (27) of the inlet end (4) of nozzle housing (2) so that an annular gap (28) remains between disc section (24) and nozzle housing (2) through which compressed air (14) can flow and compressed air (15) passes through two bearings (9, 10) for the rotary nozzle pipe (12) helping to remove dirt from the bearings.

Abstract: In a spray forming element for a shower head having a housing, a plurality of axial-flow spray outlet elements, a housing base which has passage openings for the spray outlet elements, each of the spray outlet elements being pivotably mounted in the housing base, and which additionally has a gear mechanism for moving the spray outlet elements, in order to transmit a force to the spray outlet elements, a single gear element having a gate is provided, by means of which the spray outlet elements are positively guided and, during a movement of the gear element, the movement of all the spray outlet elements is carried out simultaneously.

Abstract: A rotary spray head assembly includes a motor having an output shaft and a housing through which the output shaft at least partially extends. The housing includes an inlet communicable with a source of fluid. The rotary spray head assembly also includes an annular skirt extending from the housing, a passageway through the skirt having a first end in fluid communication with the inlet and a second end, and a hub coupled for co-rotation with the output shaft. The hub includes an annular groove into which the annular skirt at least partially extends, a circumferential interior surface at least partially defining the groove, and an aperture through the circumferential interior surface. Fluid introduced into the annular groove through the second end of the passageway is discharged outwardly through the aperture.

Abstract: A pressure regulator in a rotationally driven sprinkler nozzle housing assembly includes pressure regulation of the upstream pressure to the sprinkler discharge nozzle and flow throttling. Full shut-off of the sprinkler assembly is provided, if desired. Throttling and pressure regulation are adjustable from the top of the nozzle housing.

Abstract: A sprinkler can include a turbine, a nozzle, a gear drive and a reversing mechanism. The gear drive and the reversing mechanism rotatably couple the turbine and the nozzle. The gear drive can shift a direction of rotation of an output stage that is coupled to the reversing mechanism. The reversing mechanism can include a shift member coupled with the gear drive.

Abstract: A rotatable apparatus for a water monitor. A flange assembly has a stationary portion, a rotatable portion disposed in the stationary portion, and a duct extending through the stationary and rotatable portions. A water-driven turbine has a rotatable water wheel in communication with the duct and an output shaft coupled to the water wheel. Fluid flowing through the duct causes the water wheel to rotate, the rotation of the water wheel causing the output shaft to rotate. An output crank, a first linkage, a rocker arm, and a second linkage comprising a first linkage member and a second linkage member are operable by the output shaft to convert the rotating motion of the output shaft to an oscillatory motion. Fluid exiting the duct is distributed by the rotatable portion in a determinable oscillatory pattern.

Abstract: An air bearing assembly supporting a turbine driven rotatable motor shaft is provided. The assembly includes a composite cylindrical air bearing having alternating, bonded segmented porous carbon sections and nonporous carbon sections. The composite bearing has a sleeve installed circumferentially therearound. The sleeve has openings therein, therethrough and therearound such that the openings are adjacent the porous carbon sections and are oriented so as to be in longitudinal and circumferential registry with the porous carbon sections. Air passageways deliver supplied air into and through the sleeve openings, thence into and through the porous sections, thereby providing frictionless support for the rotating shaft. The assembly includes “O”-rings installed circumferentially therearound, one at each end of the assembly. A specific embodiment, namely a rotary bell cup atomizer driven by a turbine mounted on a rotatable motor shaft supported by the air bearing assembly, is disclosed and claimed.

Abstract: A dual turbine showerhead provides multiple spray modes emanating from the head. The showerhead includes an inlet orifice, a backplate, a first turbine located side-by-side with a second turbine, a faceplate forming a first orifice group and a second orifice group, a first fluid channel in fluid communication with the first and second turbines and the first orifice group, and a second fluid channel in fluid communication with the second orifice group. In another embodiment, the showerhead includes first and a second turbines located side-by-side and a valve body that channels a fluid to the first turbine and the second turbine. In another embodiment, the showerhead includes a first and a second turbine located side-by-side along a centerline of the showerhead, a corresponding outlet region is arranged along the centerline and additional outlet regions are laterally spaced therefrom.

Abstract: Disclosed is a rotary spraying device in which a fluid tube is assembled with a rotary means formed to have a channel structure. A portion of a fluid which flows through the fluid tube flows into the rotary means so as to provide a rotation applying force for rotating the rotary means when the fluid flows through the channel structure in the rotary means. Thus, the fluid is sprayed rotatably from the fluid tube which is rotated with the rotary means.

Abstract: In one embodiment, a sprinkler valve includes an actuator member that is rotatably disposed within a sprinkler head and restricted from vertical movement. The inside of the actuator member includes a helical groove within an inner cavity. A plunger at least partially fits within the actuator member's inner cavity and further includes a thread that mates with the helical groove of the actuator member. As the actuator member is rotated by a user, its helical groove causes the plunger to move downwards toward the top of a tube or water passage. If fully extended downward, the flat portion of the plunger fully covers and seals the top of the tube, preventing water from escaping from the sprinkler.

Abstract: A rotary spray device includes a seat body having an entrance and a spray head body in which a fluid passage is provided. The rotary spray device further includes at least one impeller. The entrance communicates with the fluid passage by a fluid chamber. The impeller is located within the fluid chamber and is rotated with the spray head body. The spray head body is rotatably connected with the seat body. Preferably, the spray head body has eccentric spray nozzles, and the minimal distance is not zero between the center lines of the eccentric spray nozzles and the rotation center line of the spray head body, and the center lines do not parallel the rotation center line. The rotation center line of spray head body is an axis about which the spray head body rotates relative to the seat body. The spray device according to the present invention rotates the spray head body by the drive of the fluid energy, to perform a pressure pray, and may also spray leak liquid through the rotation clearance.

Abstract: A rotor nozzle for a high-pressure cleaning appliance is provided. The rotor nozzle has a housing, which comprises at least one inlet opening tangentially, and which is provided in a front wall with a pan-shaped depression with a central opening. A nozzle body is arranged in the housing and supported with a spherical end in the pan-shaped depression. A longitudinal axis of the nozzle body is inclined to the longitudinal axis of the housing, it being possible for liquid in the housing to be caused to rotate about the longitudinal axis, and the nozzle body rotating together with the rotating liquid. In order to reduce flow losses in the rotor nozzle, without the operation of the rotor nozzle (in particular, start-up behavior of the nozzle body) being noticeably impaired, the nozzle body is provided with an outer contour deviating from the circular shape in a rear end area.

Abstract: A rotary nozzle cleaning apparatus is provided with an improved stem enabling an optimum flow of pressurized fluid while retaining structural strength. The stem is tubular in shape and formed with a series of triangular openings through the wall thereof. Alternating triangular openings are oriented with their apexes facing downstream of the fluid with interspersed openings oriented with their apexes facing upstream. The triangular openings are isosceles in configuration. The stem may be formed integral with an inlet cap of the cleaning apparatus or as a separate component.

Abstract: Spray nozzle systems and methods of use are described herein. The spray nozzle system may include a stationary tube, a rigid rotor, and a sub-medium supply source. The stationary tube may be in fluid communication with a pressurized air source. The substantially rigid rotor is in fluid communication with the pressurized air source. The substantially rigid rotor includes a substantially rigid conduit that is in fluid communication with the passages of the stationary tube and the rotor. A portion of the conduit is substantially arched such that an outlet of the conduit is offset a radial distance in a radial direction from the rotor axis. Pressurized air ejected from the outlet produces directional components of the pressurized air in the direction of rotation about the rotor axis; and during use, the pressurized air rotates the rotor and sucks sub-medium from the sub-medium supply source into the stationary tube passage.

Abstract: An irrigation sprinkler includes a riser and a nozzle rotatably mounted at an upper end of the riser. A gear train reduction is mounted in the riser and a turbine is coupled to the gear train reduction for rotation by water entering a lower end of the riser. A gear driven coupling mechanism mounted in the riser couples the gear train reduction and the nozzle. A pressure regulator is mounted in the riser and is adjustable from a top-side of the sprinkler.

Abstract: A sprinkler includes a turbine, a nozzle, a gear train reduction and a reversing mechanism that rotatably couples the gear train reduction and the nozzle. The gear train reduction includes an input stage and a planetary gear drive output stage that includes a first portion of the reversing mechanism. A second portion of the reversing mechanism is located outside of the gear train reduction. The second portion of the reversing mechanism includes a pair of arc tabs. At least one of the arc tabs is adjustable to establish an arc of coverage of the sprinkler when the water flowing past the turbine causes the gear train reduction and the reversing mechanism to oscillate the nozzle back and forth between a pair of arc stops. The arc stops are defined by the locations of the arc tabs. The input stage of the gear train reduction includes a mechanism that allows manual rotation of the nozzle between the arc stops without having to back drive the gears in the input stage.

Abstract: An improved sprinkler has a flow altering device to change water direction and control the direction of a blade wheel. A gear set causes a sprinkler head's repetitive rotation. The sprinkler head includes a set of corresponding upper plate and lower plate to divide an interior chamber of the sprinkler head to two chambers: a control chamber and a gear chamber. A water inlet pipe connects only with the control chamber to provide water to enter the control chamber. The upper plate and the lower plate form a filtering channel interconnecting between the control chamber and the gear chamber. The water from the control chamber can flow into the gear chamber through the filtering channel. The filtering channel filters the large/coarser particle debris in the water and the water flowing into the gear chamber can lubricate and cool the gear set in the gear chamber.

Abstract: A magnetically driven irrigation sprinkler is disclosed with a magnetic drive mechanism for rotating a fluid outlet relative to a fluid inlet. In one form, the drive mechanism includes a permanently polarized magnet and an electromagnet.

Abstract: A compact body spray nozzle is disclosed that includes a spray face that can be tilted to suit the requirements of the bather. The spray face is coupled to a spray body housing that is tiltable about the exterior surface of an internal stem driver ball. The stem driver ball is also coupled to a ceramic disk valve, and flow to the spray face through the ceramic disk valve is controlled by rotating the stem driver ball. An internal key index can be used to select a range of flow from the ceramic disk valve.

Abstract: Providing a flush bowl capable of discharging a planar shower-like water discharge flow in a wide range while changing the water discharge trajectory is directed. The shower device according to an embodiment of the invention is a shower device including: a water discharger including a plurality of water discharge ports; a rotator including a channel at its center; a coupling section coupling the inside of the water discharger to the channel of the rotator; a receiving section receiving the rotator; a driving mechanism configured to rotate and revolve the rotator in the receiving section; and a decelerating section provided inside the water discharger.

Abstract: A rotary spray shower head includes a main body, a water distributing plate, a rear faceplate, an impeller, a pinion, a driven gear, a water outlet head assembly and a discharge faceplate. The present invention is simple in structure. When in use, one portion achieves an ordinary discharge function of the shower head, and another portion achieves a rotary discharge function. The present invention uses the pinion and the driven gear to constitute a planet deceleration. The rotating speed can be controlled, and the rotary spray discharge effect is good.

Abstract: A variable range sprinkler apparatus includes a sprinkler portion, a bypass unit housing a plurality of valves, and a water inlet portion. The sprinkler portion of the apparatus, which may be a rotary sprinkler unit, is attached to the bypass unit, and the bypass unit is coupled to the water inlet portion. Inside the bypass unit is a plurality of valves, at least one of which is adjustable, that are designed to open a water passage in the bypass unit.

Abstract: The rotating sprinkler head valve includes an upper assembly with a stationary rigid cone received in a conical interior chamber of a rotor, and a cylindrical shaft extending through the stationary rigid cone and rotor. A lower assembly includes a bottom helix member, a strainer adapter having an internal transverse slotted plate and a rotatable slotted flow plate to permit flow when the flow plate slots are aligned with slots in the internal transverse slotted plate. A base top member includes a downwardly extending inner tubular portion and a lower interior edge surface with a helical lower surface forming an adjustable helical aperture in cooperation with the bottom helix member, and a recessed inner helical lip is configured to receive the upper helical surface of the bottom helix member for adjusting a helical aperture.

Abstract: A rotating high pressure air and water nozzle is disclosed. The nozzle includes a head adapted to rotate, a housing adapted to secure the head therein, and a plurality of passageways disposed through the head. In addition, the nozzle includes a supply port disposed at a first end of each of the passageways, where each supply port has a funnel shape adapted to direct fluid into each passageway to reduce hydraulic losses, and a discharge port disposed at an opposing end of each of the passageways adapted to discharge a jet of fluid. Each discharge port is offset from the respective supply port to cause the head to rotate when fluid flows through the passageways.

Abstract: An irrigation sprinkler includes an outer case and a riser extensible from the outer case by water pressure and normally in a retracted position. A nozzle is rotatably mounted at an upper end of the riser. A turbine is mounted in the riser for rotation by water entering a lower end of the riser. A gear train reduction is mounted in the riser. A gear driven coupling mechanism mounted in the riser couples the gear train reduction and the nozzle. A pressure regulator valve is located inside a nozzle turret of the sprinkler and includes a valve member that is pivotably mounted between the gear train reduction and the nozzle.

Abstract: A water passage for embedded rotary sprinkler includes upper and lower tubes and upper and lower covers so as to form first and second independent chambers, integral water path, and upper and lower independent chambers. The first and lower independent chambers has clockwise and counterclockwise water paths. An outer ring water path connecting the first independent chamber is formed to the lower tube. A transmission gear is arranged inside the second independent chamber. A driving shaft having an upward open is arranged between the second and the lower independent chambers. An upper end of the driving shaft is connected by a nozzle, and a plurality of lateral hole is formed to a middle of the driving shaft in the upper independent chamber. A lower end of the driving shaft having a gear engaging the transmission gear is inside the second independent chamber.