Abstract: A suppression unit includes a nozzle, an actuator piston, a casing, and a biasing device. The nozzle has an exterior surface, an interior bore extending along a longitudinal axis, and a plurality of discharge orifices passing from the interior bore to the exterior surface. The actuator piston includes an interior channel in fluid communication with the interior bore, the nozzle separably attached to the actuator piston. The actuator piston and the nozzle are disposed within the casing and the biasing device is compressible between the actuator piston and the casing. The discharge orifices are protected by the casing in a biased passive condition of the nozzle, and the discharge orifices are moved longitudinally out of the casing in an active condition of the nozzle.

Abstract: In one aspect, a sprinkler is provided having a nozzle, a deflector that receives fluid flow from the nozzle, and a friction brake assembly that controls rotation of a deflector. The friction brake assembly is releasably connected to the frame in order to enhance serviceability of the sprinkler. In another aspect, a sprinkler is provided having a frame, a deflector rotatably connected to the frame, a nozzle, and a nozzle socket of the frame. The nozzle and nozzle socket have interlocking portions that releasably connect the nozzle to the frame. The nozzle may be easily removed for servicing. Further, the nozzle socket can be configured to receive a plurality of nozzles having different flow characteristics. A nozzle can be selected and utilized with the sprinkler according to the desired application for the sprinkler.

Abstract: A firefighting monitor includes logic circuitry for determining the reaction force caused by the flow of firefighting fluid therethrough. The reaction force may be communicated to structures remote from the monitor for taking appropriate actions in response to the reaction forces exceeding one or more criteria. The monitor may also use flow and nozzle data for calculating a reach of the stream of the fluid, and may transmit this reach data to a remote location. The monitor may also utilize multiple pressure sensor transducers positioned inside the monitor for determining the rate of fluid flow, rather than a paddle wheel-type sensor.

Abstract: An irrigation sprinkler has a vertical axis (A) and is configured to emit a liquid jet. The sprinkler includes a base and a head operatively connected to the. A reciprocal element rotatably mounted to the head is configured to undergo reciprocal motion about the vertical axis (A), in response to being impacted with the liquid jet from a nozzle belonging to the head. The reciprocal element has a diffuser arm which carries a plurality of integrally formed, spaced apart diffuser posts which are configured to be hit by, and diffuse the liquid jet during the reciprocal motion.

Abstract: The invention relates to a sprinkler control system (10) for controlling at least one sprinkler (12). A program system (14) which determines a sprinkler area (16) of the sprinkler (12) using an area chart (18) is provided.

Abstract: An irrigation sprinkler including a base defining an axis, a pressurized water inlet mounted onto the base, a nozzle, communicating with the inlet, and providing a pressurized water stream which is generally outwardly directed relative to the axis and a water stream deflector for engaging the pressurized water stream and deflecting at least part of the water stream azimuthally with respect to the axis, the deflector including a first pressurized water stream engagement surface and a second pressurized water stream engagement surface downstream of the first engagement surface, the first engagement surface having a pressurized water stream directing configuration arranged to direct a first portion of the stream impinging thereon, which does not exceed a predetermined quantity, onto the second surface and to direct at least a second portion of the stream impinging thereon, which at least a second portion exceeds the predetermined quantity, not onto the second engagement surface.

Abstract: A shroud for an in-ground sprinkler assembly is provided including an above ground and a below ground portion, wherein the height of the above ground portion is at least substantially 150 mm above the surface of the ground.

Abstract: An impingement sprinkler includes a main frame, a sprinkling device laterally pivotally mounted onto the main frame, an impinging device rotatably mounted on the sprinkling device, a reversing device disposed on the sprinkling device and a limit device is mounted to a lower portion of the main frame, wherein the limit device is operated with reversing device to limit the horizontally rotary angle and accurately control the irrigating area of the impingement sprinkler

Abstract: A rotating deflector for use with a rotary sprinkler in accordance with an embodiment of the present disclosure includes a conical body, a plurality of channels formed on a bottom surface of the conical body and extending from a center of the conical body outward toward an outer edge of the conical body, and a deflector ring rotatably mounted on the conical body such that the deflector ring rotates from a first position in which the deflector ring provides additional rotational force for rotation of the deflector and a second position in which the deflector ring provides substantially no rotational force for rotation of the deflector.

Abstract: A sprinkler head nozzle assembly in accordance with an embodiment of the present invention includes a housing including an inlet for pressurize water and an outlet downstream of the inlet, a valve member, operable to extend and reduce an arcuate opening at the outlet of the housing, wherein the size of the arcuate opening indicates the arc of coverage of the sprinkler head nozzle assembly and a rotating distributor, mounted on a central shaft extending through the housing and the valve member, and operable to deflect a flow of water from the arcuate opening out of the nozzle assembly.

Abstract: A swing sprinkler includes a main body, a driving unit, a cover body, an inner plate and an action unit. The tightness of a resilient unit can be adjusted by the user through the action unit, and a secured positioning is formed by the engagement of restricting protruding ribs of the inner plate and positioning protruding ribs of the receiving space to prevent the resilient unit from rewinding after adjustment to effectively adjust the tightness of the resilient unit and swing unit, and increase variability, as well as practicability and convenience of the sprinkler.

Abstract: A sprinkler rotary mechanism and a sprinkler are provided. The rotary mechanism comprises a bracket and a reversing carrier, with the latter disposed on the rotation shaft of the bracket. A transmission shaft is disposed on the reversing carrier so as to drive the bracket. The sprinkler comprises a tube, a gasket, an adaptor, an angle carriage, the rotary mechanism, a reversing mechanism, a sprinkler head tube, and a nozzle. The reversing mechanism is rotated to strike the rotary mechanism, and in turn activate the sprinkler head tube to rotate. The water stream sprayed out of the nozzle impacts the reversing mechanism at the other side, and so repeated in order to achieve the rotation of the sprinkler. The present sprinkler uses mechanical transition to replace spring deformation used in the prior art to achieve water stream rotation. The sprinkler is resistant to damage and has simpler structure and larger cover range.

Abstract: An impingement sprinkler with adjustable outflow angle has a sprinkler main body, an impingement rotation guiding frame, a water source connecting portion and an adjustment rotating member, so that the main body can be rotated through the adjustment rotating member to adjust the water outflow angle. The adjustment rotating member has a vertical water flow guiding portion provided on top of the water source connecting portion. A rotating pivot joint portion is provided on one side of the vertical water flow guiding portion. A water outlet is opened on the outside of the rotating pivot joint portion. A rotation sleeving portion is provided on the coupling portion of the main body and can sleeve the rotating pivot joint portion. Inside the rotation sleeving portion, a water outflow pass is configured and is connected with the sprinkler main body head on one side of the main body.

Abstract: A jet-breaker device for a jet irrigation apparatus having a supporting frame with a portion for anchoring it to the launch pipe of an irrigation apparatus, jet-breaker means connected to the frame and designed to at least partially project out of the nozzle of the apparatus for interfering with the outlet jet. The jet-breaker means include at least one jet-breaking element which is designed to oscillate with a predetermined frequency in a plane between a position substantially aligned with the nozzle for interfering with the jet and causing partial breaking thereof, and a position misaligned with the nozzle in which it does not interfere with the jet. The jet-breaker means are motorized for controllably adjusting the oscillation of the jet-breaking element and changing the oscillation frequency thereof. A jet irrigation apparatus incorporating the jet-breaker device.

Abstract: An impact sprinkler with an adjustable counterweight member has a main body, a rotation guiding member, a driving section, and an adjustable counterweight member. The counterweight member is provided on the driving section in a state for segmentation positioning, including a counterweight component and an adjusting structure. The counterweight component can be assembled with or disassembled from the adjusting structure, and the adjusting structure is made up of multiple spaced positioning edges configured on the corresponding positions of the driving section and counterweight component and at least one elastic clamping fringe, and the elastic clamping fringe can be clasped on any positioning edge to fix the counterweight component. This enables flexible adjustment and segmentation positioning of the counterweight component, so as to accurately control the swing angle of the swinging part, and avoid displacement of the counterweight component caused by vibration or collision.

Abstract: A percussive sprinkler with accurate outflow angle adjustment functions includes a main body, a percussive diversion frame and swaying portion. Said swaying portion is formed between the main body and assembly portion or between the sprinkler head and assembly portion. An outflow angle regulator is set correspondingly to the swaying portion. Said outflow angle regulator comprises of an angle division and locating frame, which is provided with an arched surface and tooth flange set along the arched surface. A driving rod is provided with a tooth flanged portion that can be meshed with the tooth flange of the angle division and locating frame. A locating portion is used to limit the driving rod and make it in a rotatable state. The rotary shift of the sprinkler head can be located segmentally, enabling users to adjust accurately the outflow angle of the sprinkler head.

Abstract: Provided is a sprinkler configured for irrigation of a predetermined area, the sprinkler including a sprinkler body having a central axis. The body is formed with an irrigation inlet configured for receiving irrigation fluid, and a nozzle configured for discharging therethrough a directional jet of the irrigation fluid. The sprinkler further includes a reciprocal element configured for performing a reciprocal rotary motion about the central axis, and a deflecting member including an attachment mechanism for fixed attachment thereof to the reciprocal element. The deflecting member is formed with at least a first deflective surface, and is configured for performing a reciprocal rotary motion about the central axis together with the reciprocal element.

Abstract: An impingement sprinkler is provided wherein the first and second limiting pieces of the rotation limiting mechanism are configured with first and second stopping portions extending along the swinging path. As such, when the main body slants upward or downward, the poking rod portion can always contact the first and second stopping portions. Therefore, the first or second limiting pieces can interfere with the poking rod portion and maintain the function of the main body to shift turning directions. In this way, no matter whether the main body slants upward or downward, it can substantially execute the turning action to sprinkle the surroundings. Hence, the practical utility and usage convenience of the product is greatly enhanced.

Abstract: An impact sprinkler with an adjustable counterweight member has a main body, a rotation guiding member, a driving section, and an adjustable counterweight member. The counterweight member is provided on the driving section in a state for segmentation positioning, including a counterweight component and an adjusting structure. The counterweight component can be assembled with or disassembled from the adjusting structure, and the adjusting structure is made up of multiple spaced positioning edges configured on the corresponding positions of the driving section and counterweight component and at least one elastic clamping fringe, and the elastic clamping fringe can be clasped on any positioning edge to fix the counterweight component. This enables flexible adjustment and segmentation positioning of the counterweight component, so as to accurately control the swing angle of the swinging part, and avoid displacement of the counterweight component caused by vibration or collision.

Abstract: An impingement sprinkler has a main body, guiding member, tilting regulator, steering control member and steering limiter. The tilting regulator is arranged between the support of main body and the tubing portion on the lower end of the main body, so that the main body can be tilted to change the outflow angle of sprinkler head. The guiding member is located on the support of main body, driving the steering of the main body. The steering control member is installed on one side of the support of the main body to change the rotational direction of the main body. When the main body is tilted, the poke rod of steering control member could be maintained into the limiting ring frame, so that the first or the second limiting member could intervene the poke rod to make the main body retain the steering action.

Abstract: A ramming water sprinkler with changeable water outflow has a main body and a turning assembly configured on the top frame of the main body. The external circumference of the main body is covered by a water outlet adjustment revolving seat in a rotary state. Moreover, the revolving seat has a supporting end and a surrounding wall. The supporting end is seated on a preset position of the main body. A plurality of water outlet conduits with various calibers are configured and evenly distributed on the surrounding wall of the water outlet adjustment revolving seat. Each water outlet conduit defines a water inlet end and a water outlet end. The water inlet end of each can be rotated along with the turning of the water outlet adjustment revolving seat to be aligned with the water outlet of the main body for the purpose of adjusting the water outflow.

Abstract: A rotary sprinkler includes a sprinkler body including a nozzle, a water-deflection plate supported for rotational movement relative to the sprinkler body, the water-deflection plate having one or more grooves configured to cause the water-deflection plate to rotate when impinged upon by a stream emitted from the nozzle; a first brake arranged to slow rotation of the water-deflection plate at all times; and a second brake arranged to further slow rotation of the water-deflection plate as a function of water pressure exerted on the water-deflection plate.

Abstract: A nozzle for treating an interior of a workpiece by means of a highly pressurized fluid medium flowing out of at least one nozzle channel. The nozzle channel branches off from a supply borehole provided in the form of a blind hole. The nozzle is designed in such a manner that the nozzle channel, starting from the bottom end area of the supply borehole, extends at an angle less than or equal to 90° to the supply bore hole in the inflowing direction, the bottom of the supply borehole being provided with an elevation whereby narrowing the transition area to the nozzle channel.

Abstract: An impingement sprinkler with adjustable outflow angle has a sprinkler main body, an impingement rotation guiding frame, a water source connecting portion and an adjustment rotating member, so that the main body can be rotated through the adjustment rotating member to adjust the water outflow angle. The adjustment rotating member has a vertical water flow guiding portion provided on top of the water source connecting portion. A rotating pivot joint portion is provided on one side of the vertical water flow guiding portion. A water outlet is opened on the outside of the rotating pivot joint portion. A rotation sleeving portion is provided on the coupling portion of the main body and can sleeve the rotating pivot joint portion. Inside the rotation sleeving portion, a water outflow pass is configured and is connected with the sprinkler main body head on one side of the main body.

Abstract: A percussive sprinkler with adjustable discharge angle has a pedestal, adjusting ring, main body, percussion guide frame and sprinkler head driving rod. The percussive sprinkler is characterized by that, the height of the spacing for the driving rod retaining surface of the adjusting ring can be adjusted via an adjustor, such that the second end on the sprinkler head driving rod connected to the sprinkler head is abutted onto the driving rod retaining surface. When the main body of the percussive sprinkler is rotated, the sprinkler head driving rod will shift vertically along the circumferential path on the driving rod retaining surface, so the sprinkler head is driven to swing vertically with change of the discharge angle. In such a case, spray with different sprinkling distance can be generated by the sprinkler head, thus making up the shortcomings for more uniform sprinkling coverage with higher flexibility and applicability.

Abstract: A percussive sprinkler having adjustable balancing weights. The percussive sprinkler has a main body and a diversion member. The percussive sprinkler is mainly characterized in that a guiding section is formed onto the swinging portion of the diversion member, and also sleeved with an adjustable balancing weight. The balancing weight includes a weight stack and an adjuster. Moreover, the adjustable balancing weight can slide axially along the guiding section via the help of the adjuster, so the swinging portion is available with different swinging angles. With this innovative construction, the percussive sprinkler of the present invention has improved operational convenience and adaptability with better applicability and industrial benefits.

Abstract: A jet-breaker device for a jet irrigation apparatus having a supporting frame with a portion for anchoring it to the launch pipe of an irrigation apparatus, jet-breaker means connected to the frame and designed to at least partially project out of the nozzle of the apparatus for interfering with the outlet jet. The jet-breaker means include at least one jet-breaking element which is designed to oscillate with a predetermined frequency in a plane between a position substantially aligned with the nozzle for interfering with the jet and causing partial breaking thereof, and a position misaligned with the nozzle in which it does not interfere with the jet. The jet-breaker means are motorized for controllably adjusting the oscillation of the jet-breaking element and changing the oscillation frequency thereof. A jet irrigation apparatus incorporating the jet-breaker device.

Abstract: A percussive sprinkler with adjustable discharge angle has a pedestal, adjusting ring, main body, percussion guide frame and sprinkler head driving rod. The percussive sprinkler is characterized by that, the height of the spacing for the driving rod retaining surface of the adjusting ring can be adjusted via an adjustor, such that the second end on the sprinkler head driving rod connected to the sprinkler head is abutted onto the driving rod retaining surface. When the main body of the percussive sprinkler is rotated, the sprinkler head driving rod will shift vertically along the circumferential path on the driving rod retaining surface, so the sprinkler head is driven to swing vertically with change of the discharge angle. In such a case, spray with different sprinkling distance can be generated by the sprinkler head, thus making up the shortcomings for more uniform sprinkling coverage with higher flexibility and applicability.

Abstract: A rotary atomizer applies particulate paints with good color matching by reducing paint droplet size deviation and then optimizing the other paint spraying parameters. Paint droplet size parameters are reduced by using a bell cup having reduced flow deviations, including an overflow surface having a generally constant angle between a deflector and an atomizing edge.

Abstract: 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.

Abstract: The present invention provides a bumping-type sprinkler. The sprinkler includes a main body, where an inlet pipe coupling end is mounted at the lower end, an upper frame is mounted at the upper end, and a water outlet is arranged at lower flange nearby the upper frame. A revolving member, arranged onto the upper frame of the main body, has a torsional spring and a revolving portion. An outflow turntable is assembled corresponding to the water outlet of the main body. A pivot portion is placed centrally on the outflow turntable for screwing it laterally on the water outlet at interval. A plurality of outflow guide holes are arranged at intervals along a circular path of the eccentric circumferential portion of the outflow turntable. The outflow guide holes can be located corresponding to the water outlet in line with the change of rotation/displacement angle of the outflow turntable.

Abstract: A rotary impact sprinkler is disclosed having a nozzle connected to a housing and a discharge deflector member connected to a rotatable shaft assembly without a dynamic seal between the nozzle and the deflector. The sprinkler may be provided with different nozzles and discharge deflectors that are easily removed and replaced for providing desired water flow and discharge characteristics. The shaft assembly and housing may have contacting braking surfaces outside of the water flow. The braking surfaces may provide a frictional braking force dependent on both water flow rate and water flow pressure. The sprinkler has a rotatable impact assembly supported by the shaft assembly and including a deflection member for rotating the impact assembly relative to the shaft assembly. The shaft assembly may have a pin for supporting the impact assembly at a position above the deflection member.

Abstract: The present invention provides an impingement sprinkler with adjustable outflow angle. The invention includes a main body, at a lower side of which there is an inflow tube coupling end, and at upper side of which there is an upper frame. An outlet coupling portion is arranged at the lower flange close to the upper frame. A rotating member is arranged onto the upper frame of the main body; and an adjustable outflow head is assembled onto the outlet coupling portion of the main body, allowing the outflow angle to be freely adjusted. It is possible to adjust freely the sprinkling angle with the adjustable outflow head.

Abstract: A rotatable sprinkler head apparatus has a sprinkler body and a sprinkler swivel for attaching the sprinkler head to a source of water. A spindle rotates in the swivel and has a flange at one end thereof. A three washer stack has upper and lower sealing washers with the upper sealing washer isolated from the rotating spindle by the wear washer and mounted in a counterbore area in the swivel to isolate the upper washer from the rotating spindle and reduce wear on the spindle. The washers counteract the force of the water leaving the sprinkler nozzle to reduce radial movement of the flanged end of the spindle and thus prevents grit from entering adjacent the washers.

Abstract: The present invention provides an impingement sprinkler with adjustable outflow angle. The invention includes a main body, at a lower side of which there is an inflow tube coupling end, and at upper side of which there is an upper frame. An outlet coupling portion is arranged at the lower flange close to the upper frame. A rotating member is arranged onto the upper frame of the main body; and an adjustable outflow head is assembled onto the outlet coupling portion of the main body, allowing the outflow angle to be freely adjusted. It is possible to adjust freely the sprinkling angle with the adjustable outflow head.

Abstract: A revolving sprinkler comprises a rotatable turret assembly revolving around a rotation axis and formed with mouthpiece(s) suited to sprinkle liquid under pressure. The revolving sprinkler accommodates exchangeable mouthpieces with different throughputs-nozzle to rotation axis distance relationships, without changing a rotation velocity of the turret assembly.

Abstract: 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.

Abstract: Provided is a structure for fixing a reducer for a sprinkler in side wall construction, which includes a bracket, a reducer, and an adjusting bolt. The bracket includes a first transverse portion, a first longitudinal portion, a second transverse portion, and a second longitudinal portion. The first transverse portion includes an elongated hole formed in order to be fixed on a ceiling with at least one fixing member. The first longitudinal portion is bent perpendicularly with the first transverse portion at one end of the first transverse portion. The second transverse portion is formed in parallel with the first transverse portion on the bottom of the first longitudinal portion, in which a rail hole is formed in the plate surface thereof. The second longitudinal portion is formed in parallel with the first longitudinal portion at the end part of the second transverse portion, in which a screw tap is formed in the plate surface thereof and simultaneously a through-hole is formed in one side of the rail hole.

Abstract: A spray oscillating control apparatus for sprinklers is equipped with a sprinkling control assembly to swing a spray body into different angles wherein a gear train assembly with an impeller is mounted into the sprinkling control assembly and work in linking mechanism with a spray oscillating control apparatus composed of a water duct having two inlet orifices and a spray control device having a linkage gear wheel and two covering blocks. The linkage gear wheel is directly meshed with one matched gear of the gear train assembly and the two covering blocks are matched to the two inlet orifices, permitting the linkage gear wheel and the two covering blocks to rotate along with the gear train assembly and, thus, switch the amount of intake water supply in a gradual manner so that spray sprinkled can oscillate rhythmically from far-to-near and near-to-far in distance, achieving even distribution of the spray onto a lawn.

Abstract: An impact sprinkler drive is provided by an impact arm or spoon that rotates out of and counter-rotates into a water stream to impact and forward re-align a water emission portion from which the water stream emits. The impact arm is designed to, upon sufficient rotation, interfere with the water stream to reduce back-impact and reverse re-alignment of the water stream. The impact arm may be an impact spoon formed on an impact disc. The impact spoon is configured to increase the energy for forward re-alignment of the water emission portion including an increased length to permit a time delay before water flowing through the spoon applies force away from the water stream. The water acts upon spoon portions positioned at increased radial distances so that the water acts with a greater torque arm to impart rotational energy.

Abstract: 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, which, being a part coupled to the piston, pops-up due to the effect of the water pressure pushing the piston in a portion calculated for this purpose and which is so maintained for as long as the pressure lasts, to be recovered by the action of a permanent draw-spring when the pressure stops.

Abstract: A wobbling irrigation sprinkler head for attachment to a water conduit has a wobbling sprinkler head facing upward from the water supply conduit. The sprinkler head has a base having an attachment portion for attaching to a water source and a nozzle mounted to the base for directing water therethrough. A wobbling water deflector head is movably attached to the base and has a water deflector pad thereon having a deflector surface of predetermined shape to deflect water being emitted from the nozzle to rotate the wobbling water deflector head. A counterbalancing skirt extends from the water deflecting head around a portion of the base and spaced from the base for rotation with a wobbling water deflector head so that counterbalancing the skirt counterbalances the water deflector head to dampen vibration forces in the deflector head.

Abstract: The invention relates to an irrigation system particularly for plant cultures comprising an irrigation arm which can be pivoted in a horizontal angle region around an essentially vertical axis, a water jet exiting from the front thereof. According to the invention, an electronic control device (10) controls the horizontal angle region (?) which is covered by the irrigation arm (6), the control device (10) contains an electronic memory (23), wherein the values of two or more horizontal angle regions can be digitally stored, and a programmable run-off control element (22) wherein a sequence of stored horizontal angle regions can be established. The stored horizontal angle regions can be established by means of a GPS receiver.

Abstract: A rotary impact sprinkler is disclosed having a nozzle connected to a housing and a discharge deflector member connected to a rotatable shaft assembly without a dynamic seal between the nozzle and the deflector. The sprinkler may be provided with different nozzles and discharge deflectors that are easily removed and replaced for providing desired water flow and discharge characteristics. The shaft assembly and housing may have contacting braking surfaces outside of the water flow. The braking surfaces may provide a frictional braking force dependent on both water flow rate and water flow pressure. The sprinkler has a rotatable impact assembly supported by the shaft assembly and including a deflection member for rotating the impact assembly relative to the shaft assembly. The shaft assembly may have a pin for supporting the impact assembly at a position above the deflection member.

Abstract: 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 with an annular opening (100) that receives the flow of water coming from the base of the sprinkler (1) and generates a jet in the form of a spray having pre-established angular extension that flows into a distribution cylinder (40) provided with radial slots (41) arranged as an arc of circumference that proceed from its bottom to its side wall so as to subdivide the single spray jet into single jets. The distribution cylinder (40) has on top a fan wheel (70) having a diameter greater than the cylinder and provided with external fins (71) that extend downward.

Abstract: An actuator assembly for a rotatable sprinkler head includes a base supported for rotation on a stationary platform assembly, a hub mounted for rotation on a shaft supported in the base; a lever arm pivotally mounted at one end to the hub and extending downwardly toward a stop plate assembly on the platform assembly, the lever arm having a free end extending toward the stop plate assembly. The stop plate assembly is configured to define two or more distinct arcuate paths of travel for the lever arm, and the lever arm is adjustable to locate the free end in any of the three arcuate paths of travel.

Abstract: A sprinkler head includes a fixed nozzle; and a rotor plate spaced from the nozzle and mounted for rotation about an axis extending through the nozzle, and mounted for tilting movement about a horizontal axis. The rotor plate has adjacent water distribution grooves therein, selectively alignable with the nozzle, the grooves shaped and arranged to cause the rotor plate to rotate in opposite directions. A flow reaction member is secured to the rotor plate. A first flow channel having a first inlet port is arranged to intercept a stream emanating from one of the grooves aligned with the nozzle, and to thereby divert at least a portion of the stream through the flow channel and onto the reaction member to cause the rotor plate to tilt about the horizontal axis and align the other of the grooves with the nozzle, thereby reversing the rotation direction of the rotor plate.

Abstract: A controlling device for a rotating sprinkler is composed of a sleeve (10), a compressing block (21), a spring (22), a controller (23), a rotator (24), a cushion (25), and a shelter ring (26). The rotator (24) rotates with a rotating sprinkler (50) synchronously and operates with the controller (23) to construct a gap selectively therebetween so that a quantity of water flowing into the rotating sprinkler (50) is changed when the gap is formed or not. Whereby the controlling device arranges a substantially rectangular spraying arrangement of the rotating sprinkler (50).

Abstract: A rotary sprinkling head structure of a sprinkling gun including a gun body, an anti-detachment ring, an inner cap, and a rotary cap. The front end of the sprinkling head of the gun body is disposed with a variable water discharging head and an outer stop slope is adjacent to a rear side of the variable water discharging head. Several water exits are formed behind the outer stop slope and a slope guide face is formed behind the water exits. An anti-detachment ring groove is formed behind the slope guide face. An adjusting outer thread is formed at the rear end of the sprinkling head and several annular engaging ribs are formed on the outer circumference of the rear section of the inner cap.

Abstract: A sprinkler unit of the type that includes an impact drive sprinkler vertically reciprocable inside a subterranean can or case is modified to incorporate a modern pop-up rotor-type sprinkler. The rotor-type sprinkler has a lower retraction spring retainer half-way up its outer riser and a shortened retraction spring. A cylindrical adaptor sleeve surrounds the riser and has its upper end screwed into the upper end cap of the rotor-type sprinkler. The impact drive sprinkler and its attached riser assembly are unscrewed from the subterranean mounting case. Thereafter, a lower male threaded end of the adaptor sleeve is screwed into a female threaded segment at the junction of the lower and upper sections of the cylindrical mounting case. A ring-shaped protective cover plate with a pair of spring retention arms is rotatably mounted to the top end of the rotor-type sprinkler to fill the gap between the sprinkler and the upper curved lip of the cylindrical mounting case.