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.

Abstract: A switching device is provided for switching the flow of a fluid. The switching device includes a fluid conduit including a first inlet for said fluid and a first outlet, a first switching fluid conduit including a second inlet for a switching fluid, the first switching fluid conduit being in fluid connection with the fluid conduit at a first position between the first inlet and the first outlet, an exhaust conduit including a second outlet, the exhaust conduit being in fluid connection with the fluid conduit at a second position between the first inlet and the first position, and a control device. The switching device further includes a second switching fluid conduit in fluid connection with the exhaust conduit and the first switching fluid conduit. The control device controls the flow of the switching fluid into the first switching fluid conduit and/or the second switching fluid conduit.

Abstract: A nozzle includes a shell, a splashing plate, a valve and a switch. The splashing plate is connected to the shell. The valve is movably inserted in the shell. The switch is connected to the shell and the valve both. The switch is operable to control the flow rate and splash patterns.

Abstract: The present disclosure provides a system and method articulating and rotary spray system for fluids that includes a first drive for rotating a mast for different headings and a second drive for rotating a nozzle for different pitches at any time with or without rotation of the mast. The method and system uses a system of interacting gears that rotate a control rod in variable synchronization to control the nozzle pitch relative to the mast heading while the control rod orbits about a center of rotation of the rotating mast along a longitudinal axis.

Abstract: A dosing device has a dosing tip for dispensing liquid medium and at least one pressure vessel with a pressurizing gas, in which an overpressure or a negative pressure can be set as a predefined pressure setpoint value of an internal pressure by a pressure regulator, wherein the internal pressure is set by the pressurizing gas acting on a first liquid medium. A bidirectional flow meter is provided to measure a quantity of the first medium that is moved by the internal pressure prevailing in the pressure vessel. Furthermore, a dosing valve is provided upstream of the dosing tip, which is adapted to enable or disable a flow of the first medium from the flow meter to the dosing tip. For precise dosing, the first medium is moved by a change in the predefined pressure setpoint value of the internal pressure of at least one pressure vessel, and the moved quantity of the first medium is measured by the flow meter.

Abstract: A power washing assembly includes a spray bar that has a fluid inlet and a plurality of spray nozzles. The fluid inlet is fluidly attachable to a fluid source to direct a fluid from the fluid source into the spray bar. Each of the spray nozzles is in fluid communication with the fluid inlet to spray the fluid. A handle is coupled to the spray bar thereby facilitating the spray bar to be steered along the support surface to clean the support surface. A leg is coupled to and angles downwardly from the handle and a roller is rotatably coupled to the leg to roll along the support surface. A hook is coupled to the handle and the hook curves upwardly from the handle thereby facilitating the hook to hold a fluid hose that is fluidly coupled to the fluid source.

Abstract: A jet regulator (1) which can be mounted on the water outlet of a sanitary outlet fitting and has a jet regulator housing (2), in which a jet splitter (3) is provided, which has splitter openings (17) for dividing the water flowing through into individual jets, and at least one insert part (5), which has a grid structure (6) consisting of two sets of parallel webs (7; 8) which touch one another or intersect at crossing nodes (9). In the jet regulator (1), the sets are arranged in two levels offset in the longitudinal direction of the jet regulator; the mutually parallel webs (7) of an inflow side set have a round or rounded web cross-section, and the webs (8) of an outflow side set have a flattened portion (10) on their inflow side and are rounded on their outflow side (11).

Abstract: A hair care device according to the present disclosure includes a tank that stores a liquid, a liquid feed pump that outputs the liquid stored in the tank, and a controller that controls an output of the liquid feed pump. The hair care device according to the present disclosure further includes a detector that detects torque of the liquid feed pump. The controller adjusts the output of the liquid feed pump based on a detection value of the detector. Thus, the hair care device that suitably sprays a cosmetic component is provided.

Abstract: In an ultrasonic atomization apparatus of the present invention, a separator cup and four ultrasonic vibrators are provided to satisfy a reflected wave avoidance condition that “four reflected waves are not received by any of the four ultrasonic vibrators”. Specifically, a set curvature of a bottom surface of the separator cup is set to be larger than a conventional set curvature. In addition, a distance from a center point of a bottom surface of the water tank of each of the four ultrasonic vibrators is set to be longer than a conventional distance.

Abstract: A fire protection element contains a layered body for sealing passage openings in components, such as building components, through which lines are guided. A method can be used for producing the fire protection element and the fire protection element can be used for sealing passage openings and/or joints in components against fire and flue gases.

Abstract: A nozzle includes a back plate having a first inlet passage and a first discharge opening at one end of the first inlet passage, a front plate and a plurality of nozzle plates secured between the back plate and the front plate. The plurality of nozzle plates includes a first plenum plate, a second plenum plate and a discharge plate. The first plenum plate has a first plenum, the second plenum plate has a second plenum and a second plenum projection extending into the second plenum, and the discharge plate is disposed between the first plenum plate and the second plenum plate and has one or more orifices. The first plenum is disposed in fluid communication with the first inlet passage and is configured to receive a first fluid from the first inlet passage via the first discharge opening. The one or more orifices are disposed in fluid communication with the first plenum and are configured to receive the first fluid from the first plenum.

Abstract: Various implementations include a sweeping jet device with multidirectional output. The device includes an interaction chamber defined by a chamber wall. The chamber wall defines first and second inlet ports and first and second outlet ports. First and second fluid supply inlets are configured to introduce first and second inlet fluid streams through the first and second inlet ports, respectively, and into the interaction chamber. First and second outlet nozzles are configured to discharge first and second outlet fluid streams from the interaction chamber through the first and second outlet ports and the first and second outlet nozzles, respectively. The first and second inlet fluid streams collide within the interaction chamber causing the first and second outlet fluid streams to sweep as the first and second outlet fluid streams are discharged from the first and second outlet nozzles, respectively.

Abstract: A dispensing head for a trigger dispenser includes a frame having a functional zone on which a frame port, a suction outlet port and a dispensing inlet port open. A valve device applied to the functional zone includes a suction shutter and a dispensing shutter that implements a precompression of products before dispensing. The valve device cooperates with a reference plane of the frame to form a precompression chamber upstream of the dispensing inlet port.

Abstract: A spray fluid operation system for an agricultural sprayer and method for operating same is disclosed. The method comprising: providing a spray fluid in a reservoir; and conveying at least one of the spray fluid and an additional fluid into a fluid flow system by a pump and control system (PCS). The fluid flow system comprising a dispensing device configured to dispense a first pumped fluid from the PCS to a field, and a backflow system configured to pipe second pumped fluid from the PCS back to the reservoir. The method further comprises: determining a fluid level in the reservoir; receiving the fluid level in a control device; generating the second pumped fluid by the PCS; and controlling allocation of the second pumped fluid according to an allocation ratio to: a first return device and a second return device configured to return the second pumped fluid to the reservoir.

Abstract: The present invention discloses a shower device, comprising a shower and a base, the base is provided with a convex boss, the back of the shower 1 is provided with a groove matching the convex boss, and the base is also provided with an elastic buckle, the shower is provided with a clamping slot that can be matched and clamped with the elastic buckle, and another socket for hooking up the shower is also provided on the base. Through the design of the above-mentioned structure, the invention specifically uses the cooperation relationship between the clamping slot and the groove to form a lock position in a certain, so as to avoid the accident that the shower falls off from the base and accidentally injures the child. At the same time, a socket is arranged at the height of the side end of the base, which meets the needs of people who need high-altitude shower, and enhance diversity and flexibility.

Abstract: A fine water discharge device includes a case having a flow path allowing a first space and a second space to communicate with each other, a blower which is disposed in the flow path, introduces air in the first space into the flow path, and discharges the air introduced into the flow path into the second space, a fine water generating unit which is disposed in the flow path and in which a plurality of the particles are laminated as a film-shaped conductive polymer film portion on an outer surface of a honeycomb member, and the particles are transitioned between an adsorption state where water is adsorbed and a discharge state where the adsorbed water is discharged to the air, an electrifying portion electrically connected to the honeycomb member to perform electrification, and a controller which is a control portion controlling the blower and the electrifying portion.

Abstract: The present disclosure provides for an automated spray system (100) to produce an elastomeric pad on a railroad tie. The automated spray system (100) includes a two-component spray system (102) for spraying a two-component reaction mixture to produce the elastomeric pad on the railroad tie. The automated spray system further includes a gantry system (140) having girder (146) that supports the spray applicator.

Abstract: An intelligent air-assisted spraying device for orchards includes a traction mechanism, a spaying system, a collecting system, and a processing-controlling system. The traction mechanism is provided with a spray tank. The spaying system includes a main body connected to the spray tank and multiple spraying tubes, first ends of the spraying tube are communicated with the main body, and second ends of the spraying tubes are capable of rotating. The collecting system is configured to collect a contour and a volume of the canopy, and branch and leaf density of a fruit tree. The processing-controlling system is configured to obtain multiple spraying areas, calculate an air outlet angle of each spraying tube, and control a rotation of the second end of each spraying tube according to the air outlet angle. The device can adjust the spraying direction of each spraying tube, and the quality of pesticide application can be improved.

Abstract: Apparatus and associated methods are provided for digitally controlled powder deposition. The apparatus comprises a supply chamber configured to maintain a reservoir of powder in a fluidised state, and one or more dispenser elements. The supply chamber is further configured to direct a flow of the fluidised powder from the reservoir to an orifice, causing it to be dispensed from the orifice.

Abstract: An apparatus, including at least one piezoelectric chip having a working surface, and an opposing at least substantially parallel transducer surface; and at least one interdigital transducer applied to the transducer surface of the chip for generating acoustic energy within the chip in response to an application of an electrical signal to the interdigital transducer; wherein the working surface of the chip is, when in use, in contact with a fluid receptacle to thereby acoustically actuate fluid accommodated within said fluid receptacle, the chip being directly in contact with the receptacle or in contact with a fluid coupling medium that is in contact with the receptacle.