Abstract: A sprinkler cart of hose reel irrigator in folding truss inhaul-cable type includes a cart body, a water supply pipeline, a folding truss structure and an inhaul-cable structure. The folding truss structure adopts a planar multi-rod folding structure, drives a three-rod folding through a single hydraulic cylinder, and is mounted on the cart body in combination with the inhaul-cable structure.

Abstract: A flow-restricted compound spray generating device 100 includes a spray face member 120B including at least one fluidic circuit oscillator defining geometry 132 including an outlet orifice 138 in the spray face member's central area configured to aim an oscillating spray 300 having a selected oscillating spray thickness distally along a spray axis 112. The spray face member 120B also includes a plurality of non-oscillating (e.g., laminar or jet) spray generating orifices 160B arrayed evenly around the spray face member's periphery to aim a plurality of non-oscillating laminar or jet sprays 302 distally along the spray axis 112 to provide a ring of high velocity streams arrayed around the central oscillating spray 300 to generate a compound spray 310 with an outflow which has a pleasing spray density with an apparent outflow thickness which is substantially equal to the spout orifice's diameter 320.

Abstract: Disclosed is an assembled shower device, that includes a hand-held type shower and a head portion shower. In the head portion shower is disposed a control mechanism. The control mechanism is adapted to control open or close of a water channel of the hand-held type shower, such that the hand-held type shower and the head portion shower act in cooperation in the following two approaches: the hand-held type shower is disposed on the head portion shower, to bring the control mechanism into action, to close the water channel of the hand-held type shower; and the hand-held type shower is separated from the head portion shower, to bring the control mechanism into action, to open the water channel of the hand-held type shower.

Abstract: A viscous damped deflector in accordance with an embodiment of the present disclosure includes at least one sloped spiral rim extending from a lower surface of a top of the viscous damping chamber that rotates with the rotating distributor of the damped deflector, such that viscous fluid in the chamber is pumped to the center of the chamber as the distributor rotates.

Abstract: An aerial operations system for performing various tasks such as painting is provided. The modular aerial operations system includes an aerial vehicle capable of vertically taking off and landing, hovering and precisely maneuvering near walls and other structures. The aerial vehicle may be a rotorcraft such as a multicopter. In an aspect, as aerial vehicle paints one or more designated surfaces using detachable arms and equipment. The system may paint the designated surface in one of several available techniques using paint provided in a container such as an attached reservoir, a base station, a paint can, or the like. The aerial operations system provided may also be configured to perform a variety of other tasks.

Abstract: A low-frequency ultrasonic atomizing device includes a piezoelectric vibrator, a horn, a secondary atomizing chamber, a gas-liquid valve end cover, a Laval-type valve core, a stepped valve core, and a gas-liquid valve body. The piezoelectric vibrator is glued onto the horn, and the gas-liquid valve end cap is connected to the gas-liquid valve body by a thread, while both the stepped valve core and the Laval-type valve core are installed within a cylindrical cavity of the valve body, an end of the Laval-type valve core being sleeved at an end of the stepped valve core. The horn and the secondary atomizing chamber, the secondary atomizing chamber and the gas-liquid valve end cover are connected by a double-head stud and a nut. The device achieves multi-stage atomization of droplets, which increases the atomization quantity of a spray device, the droplets being small, and also achieves long distance spraying.

Abstract: A sprinkler includes a body having an upper portion removably attached to a lower portion. The upper portion includes a nozzle strip and lower nozzle plate. The lower portion includes a hollow body, a locking plate, and a controller connected to the locking plate. The locking plate is configured to move in a lengthwise direction. The locking plate includes a locking plate tab and a locking plate groove. The lower nozzle plate includes a nozzle plate tab. The hollow body comprises a vertical channel configured to accommodate the locking plate tab in a first position. The nozzle plate tab is arranged beneath the locking plate tab in the first position. The locking plate tab is arranged outside the vertical channel in a second position. The controller is configured to move the locking plate to the first position and to the second position to facilitate removal of the upper portion.

Abstract: A localized product injection system for use with a product dispensing system includes a product injection reservoir coupled with an injection header. One or more injection boom tubes are coupled with the injection head. A plurality of localized injection interfaces are configured for coupling at corresponding product dispensers of a plurality of product dispensers. The plurality of localized injection interfaces in communication with the one or more injection boom tubes. Each of the localized injection interfaces includes an interface valve and an injection port in communication with the interface valve. The injection port is configured for localized coupling and injection to the corresponding product dispenser. The plurality of localized injection interfaces maintains a controlled pressurized environment of an injection product to the plurality of product dispensers.

Abstract: An accumulator is added in-line with a valve on an agricultural machine and downstream of the valve. The valve is controlled to apply liquid material to a field over which the machine is traveling.

Abstract: A pulsating device with two preset pressure-responding normally-closed valves is disclosed. The first valve is used for accumulating fluid. The second valve is used for creating resistance so as to force the first valve to open widely. The second valve may be configured so it creates little to no resistance once opened. In some embodiments, the pulsating device converts a low controlled and/or continuous flow of fluid, such as water and/or air, to a high pulsating and/or intermittent flow. A pulsating device may operate, for example, one or more drip lines, pop ups, sprinklers, misters and/or other irrigation devices.

Abstract: A sprinkler body for a rotating sprinkler includes a base securable to a source of water under pressure, a plurality of support struts connected to and extending from the base, and a deflector plate support connected to the plurality of support struts and disposed spaced from the base by the support struts. At least one of the plurality of support struts is wedge-shaped with an inward-facing apex. The support struts are configured to create a void in the water spray pattern away from a center pivot pipe and to direct the water spray downward to limit the effect of wind on the spray pattern.

Abstract: A tip for a nozzle of a fuel injector and an associated method are provided. The tip includes a tip body and a swirler. The swirler includes a plurality of pre-swirl passages which fluidly communicate an internal cavity of the swirler with a feed annulus. The swirler also includes a plurality of swirl chamber passages which fluidly communicate a swirl chamber with the feed annulus. Methods include manufacturing at least a portion of the swirler by additive manufacturing.

Abstract: A hydro fire mitigation system is provided that is associated with a structure. The system employs a number of sensors that detect an oncoming fire, which directs a controller to initiate fluid flow through a number of sprinklers. The system is fully autonomous and does not require municipal water or power during use.

Abstract: A Fragrance diffusion system is provided having a diffusion device which has two opposing walls spaced apart from one another, at least one wick, and at least one air intake. An upper first bottle has a first neck the opening of which is positioned facing one of the two opposing walls referred to as the upper wall, a lower second bottle having a second neck the opening of which is positioned facing the other wall referred to as the lower wall. The upper first bottle has the fragrance which, by impregnating the wick, on the one hand causes the fragrance to diffuse into the cavity and to outside of the device via said at least one opening, and on the other hand causes dripping drop by drop into the lower second bottle. The lower second bottle having a capacity which is dimensioned so that the level of the liquid transferred into said lower second bottle is situated below a lower end of the wick.

Abstract: Fluid applicator assemblies which can be attached to or fabricated integrally with a blowing apparatus such as a leaf blower as a source of flowing air to atomize and eject atomized liquids into spaces and/or onto surfaces may include a nozzle having a nozzle body. At least one air flow cavity may be provided in the nozzle body. An air inlet slot may extend through the nozzle body and may be disposed in fluid communication with the at least one air flow cavity. A fluid ejection portion may be carried by the nozzle body. The fluid ejection portion may include an ejection head support extending from the nozzle body. A fluid ejection head may be carried by the ejection head support. A tube opening may extend through the fluid ejection portion. A fluid ejection slot may be provided in the fluid ejection head and disposed in fluid communication with the tube opening. A liquid container may be disposed in fluid communication with the fluid ejection slot through the tube opening.

Abstract: Various autonomous aquatic herbicide application vessels are described. In one embodiment, a system for aquatic herbicide application includes an aquatic vessel, a propulsion system to propel the aquatic vessel over a body of water, a holding container to hold a substance, a substance applicator to apply the substance to the body of water, and a controller. The controller can include a control processor configured to navigate the aquatic vessel using the propulsion system and apply the substance to the body of water using the substance applicator. According to one embodiment, the system includes a global positioning system to determine a geographic location of the system and a memory to store a route for application of the substance in the body of water. Further, the controller is configured to autonomously control the propulsion system to track the route based on changes in the geographic location of the system over time.

Abstract: A device for dispensing a pressurized material, includes a body defining a pressurizing chamber containing a gas generator, and a tank containing the material to be dispensed, the tank being defined by an end wall having an outlet orifice. The device includes a piston, to move inside the body, separating the pressurizing chamber from the tank, the gas generator to trigger the dispensing of the material to the outside of the body through the outlet orifice by causing the piston to pass from a material-storage, first position to an end-of-material-dispensing, second position in which the piston faces the end wall. The piston, when in the first position, presents a housing that is closed by a fragile portion beside the pressurizing chamber and that is open beside the tank, the housing containing a striker element that is held in the housing and that defines a channel opening out into the tank.

Abstract: A fire seal end cap including a cap portion and a plug portion, wherein the plug portion protrudes from the cap portion, and wherein the cap portion and the plug portion are formed from a fire-resistant material.

Abstract: The automatic fire extinguisher is a fire retardant dispensing device. The automatic fire extinguisher is an automated device. The automatic fire extinguisher is an explosive device. The automatic fire extinguisher is a temperature sensitive device that releases a fire retardant in the form of a gas when a predetermined ambient temperature has been reached. The automatic fire extinguisher comprises a compressed retardant gas, a high-pressure gas tank, and an explosive device. The high-pressure gas contains the compressed retardant gas and the explosive device. The explosive device detonates when the ambient temperature reaches when the predetermined ambient temperature is reached. The explosion of the explosive device ruptures the high-pressure gas tank thereby releasing and dispersing the compressed retardant gas into the atmosphere.

Abstract: A microfluidic device provided in a body accommodating a fluid containment chamber. A fluidic access channel and a drop emission channel are formed in the body and are in fluidic connection with the fluid containment chamber to form a fluidic path towards the body outside through a nozzle having an outlet section. An actuator is operatively coupled to the fluid containment chamber and is configured to cause ejection of fluid drops through the drop emission channel in an operating condition of the microfluidic device. The drop emission channel comprises a portion of reduced section having a smaller area than the outlet section of the nozzle.