Abstract: A spray head for atomising fluid ejected from a fluid conduit, the spray head comprising: a body having a longitudinal bore for receiving the fluid conduit such that a distal tip of the fluid conduit extends to a distal end of the longitudinal bore, the body being configured to direct a balanced flow of gaseous medium over the distal tip of the fluid conduit, when received within the longitudinal bore, so as to promote atomisation of the fluid as it is ejected from the distal tip of the fluid conduit, wherein the body comprises at least two radially separable segments, each of which defines part of the longitudinal bore, said at least two segments when combined forming said body having a longitudinal bore, whereby the fluid conduit is received within the longitudinal bore by locating said at least two segments around the fluid conduit.

Abstract: A fluid ejection device that includes a housing, a fluid reservoir disposed in the housing and a fluid ejection head. A revolving maintenance station that includes an ejection head wiper and an ejection head capping device is movably attached to the housing and is configured for rotation to selectively position the ejection head wiper or the ejection head capping device adjacent to the fluid ejection head.

Abstract: Implementations of sprinkler head covers may include: an artificial turf portion including a backing, a stiffener coupled to the backing at a first side of the stiffener, and a bag removably coupled to a second side of the stiffener. The second side may be opposite the first side of the stiffener.

Abstract: A nozzle assembly includes a nozzle, a manifold, and wand body. The nozzle, manifold, and wand body can be coupled together to provide a robust spray drying system that can withstand elevated temperature and/or pressure feed stock. In some embodiments, an internal shoulder portion of the manifold can engage with a side of a nozzle collar to restrict distal movement of the nozzle relative to the manifold.

Abstract: A weeping wall for receiving a continuous flow of a flowable substance. The weeping wall comprises: a wall body including a substantially vertical wall section having a flow surface; a flowable substance inlet defined at an upper end of the substantially vertical wall section, with the flowable substance continuously flowing therefrom and downwardly onto the flow surface; at least one mobile deflector movably engaged to the flow surface and projecting therefrom, the at least one mobile deflector being selectively movable relative to the flow surface to modify the flow path of the flowable substance on the flow surface; and a flowable substance outlet defined at a lower end of the substantially vertical wall section with the flowable substance flowing continuously therein after running down onto the flow surface.

Abstract: The disclosure relates to an atomizer for the application of a multi-component paint, with a master paint connection, a hardener connection, a mixer, a hardener line leading in the atomizer from the hardener connection to the mixer, a master paint line, which in the atomizer leads from the master paint connection to the mixer, and with a main valve for controlling the paint delivery, the main valve being arranged downstream of the mixer and controlling the flow of the multicomponent paint to an application element, in particular to a rotatable bell cup. The atomizer according to the disclosure is characterized by a first return connection for returning the multicomponent paint from the atomizer to a return system. For this purpose, the atomizer has a first return line which branches off in the atomizer between the mixer and the main valve and opens into the first return connection.

Abstract: A nozzle assembly includes a nozzle body, a first flow straightener coupled to the nozzle body, and a second flow straightener coupled to the nozzle body. The nozzle body defines an inlet, an outlet, and a nozzle body passage extending between the inlet and the outlet. The first flow straightener extends at least partially across the nozzle body passage and defines a first passage and a second passage each fluidly coupling the inlet and the outlet. The second flow straightener extends at least partially across the nozzle body passage and defines a third passage and a fourth passage each fluidly coupling the inlet and the outlet.

Abstract: The invention relates to a device for injecting a fluid, in particular a cryogenic fluid, the device comprising a fluid feed head and a fluid dispenser body, detachably mounted on said feed head, said feed head comprising a groove for circulating the fluid fed to said body, said groove being closed when the body is mounted on the feed head and said groove being open when the feed head and the body are detached from one another.

Abstract: A mix chamber for a plural component sprayer is configured to receive first and second component materials and emit a spray of a resulting plural component material. The mix chamber includes a chamber body extending between a first end and a second end and including flat lateral sides. A ramp feature is disposed proximate the first end and is configured to contact and push first and second side seals, respectively, away from a body axis as the mix chamber shifts in a first direction through a cartridge bore to increase a gap between the first side seal and the second side seal such that the first side seal engages the first flat lateral side and the second side seal engages the second flat lateral side.

Abstract: A deluge nozzle diversion apparatus can include a collection component having at least one wall that forms a collection cavity, where the collection component has a first end and a second end. The deluge nozzle diversion apparatus can also include an adjustable securing apparatus that is configured to secure the first end of the collection component to a deluge nozzle assembly of a deluge system when the adjustable securing apparatus is in a closed position. The deluge nozzle diversion apparatus can further include a diversion channel coupled to the second end of the collection component, where the diversion channel is adjustable and has a length sufficient to divert a fire protection fluid flowing therethrough to an alternative location. The collection cavity of the collection component can be configured to receive all of the fire protection fluid discharged from a deluge nozzle of the deluge system.

Abstract: An improved sprinkler distributor dampener utilizes at least one magnet and an electrically conductive material arranged so as to create an eddie current. The sprinkler is configured with a nozzle that directs fluid at the distributor. The distributor is configured to spin or rotate from the force of the fluid spray and thus distribute fluid in a randomized pattern. The dampener controls the speed of rotation of the distributor, which is preferably a distribution disc.

Abstract: A variable pressure regulator defining a distance between a proximal end of a piston and a floor of a piston seat is disclosed. Adjustment mechanisms for adjusting this distance to alter output pressure are disclosed.

Abstract: A sprinkler with a push-in connection includes a sprinkler frame, an operating element, and a sealing cap. The sprinkler also includes one or more sealing gaskets and a retainer. Each such sealing gasket is located at least partially within a groove in the sprinkler frame. The retainer is also at least partially located within a groove in the sprinkler frame. The retainer connects to an internal bore of an outlet of a fluid supply conduit when the sprinkler is installed in the outlet. The one or more gaskets seal against the internal bore of the outlet when the sprinkler is installed in the outlet. The retainer is a spring mechanism so that the diameter of the retainer is reduced when the sprinkler is inserted into the internal bore of the outlet, and the retainer maintains pressure against the outlet internal bore.

Abstract: A quick connect coupler includes a female connector having a central bore and a plurality of recesses, and a male connector having a post insertable into the central bore. The male connector has a first tab row with a plurality of first tabs and a second tab row with a plurality of second tabs axially spaced from the plurality of first tabs. The first and second tabs are shaped corresponding to the recesses in the female connector. The first and second tab rows are circumferentially offset to effect a two- or multi-step connection between the female connector and the male connector.

Abstract: Described is a nozzle for spraying substances, in particular dispersions, emulsions or suspensions.

Abstract: A spray device includes side-by-side spray tips that are spaced from one another at a distal end of the spray device. A first spray tip has a first fluid pathway defining a first flow area. The first fluid pathway has a first swirl chamber having an outer perimeter and flutes having inner ends that direct a first fluid into the outer perimeter of the first swirl chamber for rotating the first fluid in a circular pattern. A second spray tip has a second fluid pathway that defines a second flow area that is larger than the first flow area. The second fluid pathway has a second swirl chamber having an outer perimeter and flutes having inner ends that direct a second fluid into the outer perimeter of the second swirl chamber for rotating the second fluid in a circular pattern.

Abstract: Embodiments are directed to a rotorcraft comprising an airframe having an engine compartment, an engine disposed within the engine compartment, at least one fire bottle configured to hold a fire extinguishing agent, at least one agent tube coupled to the fire bottle and configured to carry the fire extinguishing agent to the engine compartment, and a nozzle on the at least one agent tube, the nozzle positioned above the engine and oriented in a downward-facing direction. The nozzle has at least one opening and is configured to allow liquid to drain out of the at least one opening instead of allowing the liquid to flow into the at least one agent tube. The nozzle may have a chamfer opening that faces downward.

Abstract: An aircraft for unmanned firefighting may include a water tank fillable via a scoop operation during flight of the aircraft, and configured to be emptied by a release operation at a target of interest, a communications module configured to employ wireless communication via a ground link and/or a satellite link to provide real time or near real time communication with a remote configuration or monitoring facility, an imaging module configured to obtain image data at the target of interest for identifying updated target information, and a navigation module configured to enable remote or autonomous operation of the aircraft during the scoop operation and the release operation.

Abstract: A rotary atomization device includes a housing, a blowing device, a rotating drive device, a rotating shaft, a gas tube and an atomizing structure. The housing has an atomization room and a containing room which are communicated by a gas channel. The blowing device is arranged in the containing room, and the rotating drive device is arranged in the containing room or the atomization room. A drive shaft of the rotating drive device is connected with the rotating shaft connected with the gas tube. One end of the gas tube is arranged in the atomization room and has a gas inlet, and the other end is extended out of the housing and has a gas outlet. The atomizing structure is disposed on the bottom of the atomization room, and the blowing device blows towards the gas channel. The rotary atomization device can realize rotary spraying.

Abstract: A method of manufacturing a volatile composition dispenser is disclosed. A container is positioned on a pallet, wherein the container has a bottom wall and side walls extending circumferentially around the bottom wall to define a reservoir and wherein the side walls have a circumferential inner edge defining a reservoir opening. The pallet is moved to a filling station in fluid communication with a tank containing a perfume composition. The perfume composition is dispensed into the exposed reservoir. A vapor impermeable substrate is attached to the planar surface of the container containing the dispensed perfume composition.