Abstract: An embodiment of a fire suppression apparatus for fighting fires from an aerial vehicle is disclosed having a foam and water held in separate containers that when mixed forms a fire retardant in the separate water container, a pump driven by a first electric motor, the pump including an air induction valve positioned at the pump inlet where air and the fire retardant are drawn into the inlet and pressurized simultaneously by the pump, a primer pump driven by a second electric motor to prime the inlet with the fire retardant before starting the pump, an inverter to control startup of the first electric motor, and an aimable boom connected to the pump by a conduit, the boom including a nozzle on a distal end of the boom from which the pressurized water/foam/air fire retardant is dispensed toward a target. Vertical mount plates can attach the apparatus to opposite sides of the helicopter.

Abstract: The present disclosure relates to an injection valve comprising an injector body, a needle body, a control space, a control valve, and a piezoelectric actuator. The injector body has a recess and a fluid inflow and a fluid outflow. The needle body is arranged axially movably in the recess of the injector body and suppresses a fluid flow through an injection opening of the injector body in a closed position of the needle body and otherwise releases it. The control space is disposed in the recess between the fluid inflow and the fluid outflow. The control valve may be arranged in the control space to suppress a fluid flow between the control space and the fluid outflow in a closed position of the valve body and to otherwise release it. The piezoelectric actuator may be coupled mechanically to the control valve via a first transmitter for opening the control valve.

Abstract: The spray gun filter according to the invention for filtering liquid comprises a filter fabric and a filter support, which has outlet openings for the liquid and which surrounds the filter fabric from the outside.

Abstract: The insert (20) is adapted to be fitted into an atomizer wheel. Each insert (20) has a longitudinal axis and comprises an inner end face (21), an outer end face (22), an external surface (23) and an internal surface (24) defining a channel (35) having a center axis (c) and extending between an inlet (25) at the inner end face (21) and an outlet (26) at the outer end face (22). At least the inlet (25) is offset from the longitudinal axis such that the center axis of the channel (35) is offset from the longitudinal axis of the insert (20). The insert (20) is adapted to be utilized in an atomizer wheel for a spray dryer for atomizing slurries of abrasive material, for instance for spray drying absorption for flue gas cleaning.

Abstract: A nozzle is disclosed for use within a filter for inputting a jetting stream into the filter media to clean the filter media. The nozzle comprises an inlet for communication with a jetting stream source, and a plurality of plates stacked parallel and abutting one another. The plurality of plates comprises at least a top plate and a bottom plate, one of the plates having an aperture through the center thereof for receiving the jetting stream, wherein between adjacent plates at least one space is provided extending from the outside edge of the plates to the interior of plates and in fluid communication with the aperture for channeling the jetting stream radially outward from and substantially parallel with the longitudinal plane of the plate.

Abstract: A disposable gas diffusion device includes a gas supply device, which includes therein a gas inlet device, which includes a coupling section, and a compression element. The coupling section includes therein a gas conveyance hole. A container has an end connected to a diffuser that is provided with a gas entrance passage having an opposite end extending to a bottom of the diffuser. The bottom of the diffuser is provided with a liquid guiding device, which has an opposite end extending to a location adjacent to a bottom of the container. The diffuser has a top end in which an exit opening is formed. The gas supply device is operable to guide a pressurized gas into the container on induce a negative pressure zone inside the container in order to convey a liquid through the liquid guiding device to an atomization hole to be atomized and sprayed out.

Abstract: Improvements to a portable fire extinguisher are disclosed. The improvements allow for frequent and simplified inspection and maintenance of a fire extinguisher with minimal training and without need for custom equipment. The improvements include an anti-bridging mechanism that can be articulated from the exterior of the chamber to fluff, mix or stir the powder within the chamber to keep it in a liquefied state. Additional improvements include a larger opening to more quickly fill and inspect the powder within the chamber. Another improvement includes the use of a CO2 cartridge located external to the chamber to allow easier servicing or replacement of just the CO2 cartridge as well as the ability to maintain the chamber in an un-pressurized condition, allows for non-HASMAT shipping. These features will extend the service intervals while maintaining the fire extinguisher in a ready condition.

Abstract: In a nozzle plate of the present invention, a part of fuel flowing out from a fuel injection port of a fuel injection device is atomized by colliding with an interference body, is rapidly bent in a flowing direction, and collides with the fuel that is flowing straight through a nozzle hole and an orifice to make the fuel that flows straight through the nozzle hole and the orifice turbulent. The orifice includes a corner portion which is defined by an outer edge portion of the interference body and has a pointed shape without roundness at a part of an opening edge. The corner portion makes an end portion of a liquid film of the fuel passing through the orifice into a pointed shape for ease of atomization by friction with air.

Abstract: An electrostatic fluid delivery system is configured to deliver fluid, such as a disinfectant fluid, onto a surface by electrically charging the fluid and forming the fluid into a mist, fog, plume, or spray that can be directed onto a surface, such as a surface to be cleaned. The system atomizes the fluid using a high-pressure air stream and passes the fluid through an electrode inside a nozzle assembly to charge, such as negatively charge, droplets of the atomized fluid. The system uses a unique nozzle design that is configured to optimally atomize the fluid into various sized droplets.

Abstract: An anion perfume machine in which a throttling and shock absorption water blocking sheet and oscillator generating inclined vibration waves are configured, wherein the water blocking sheet is made of soft silicone material and assuming a cross body with four claws, a round petal is adapted to connect the two adjacent claws to each other, a center of the cross body configured with a barbed hook is exactly in engagement with a through hole of a cross rib configured on a center of a throttle cover; an inclined vibration guide unit is lodged in a oscillator accommodation room configured on a bottom of a vibration wave conduction cup; the oscillation unit is constituted by a silicone seat, thereby generating inclined vibration waves, allowing a large number of upward inclined atomized spouts to be sprayed on the essence oil water cup and flow upward along a wall of a cup.

Abstract: This invention generally relates to systems and methods for the formation and/or control of fluidic species, and articles produced by such systems and methods. In some cases, the invention involves unique fluid channels, systems, controls, and/or restrictions, and combinations thereof. In certain embodiments, the invention allows fluidic streams (which can be continuous or discontinuous, i.e., droplets) to be formed and/or combined, at a variety of scales, including microfluidic scales. In one set of embodiments, a fluidic stream may be produced from a channel, where a cross-sectional dimension of the fluidic stream is smaller than that of the channel, for example, through the use of structural elements, other fluids, and/or applied external fields, etc. In some cases, a Taylor cone may be produced.

Abstract: The invention relates to a micro-nozzle array comprising a plurality of capillaries comprising a first silica-based material and a second silica-based material substantially surrounding the first silica-based material of the plurality of capillaries, and a plurality of nozzles extending beyond a face of the micro-nozzle array, each nozzle corresponding to a single capillary, wherein each nozzle comprises the first silica-based material. The micro-nozzle array may be used in hydrodynamic or electro-osmotic applications. In one embodiment the micro-nozzle array is a multiple electrospray emitter. The invention also relates to methods for preparing and using micro-nozzle arrays.

Abstract: A flow rate regulator (1) having a regulator housing (2), wherein said regulator housing (2) has an outer circumferential edge region (5) that can be placed on an end circumferential edge region (3) of a jet regulator (6) and/or of a sieve (11) and including a central annular gap (12), in which an annular throttle body (13) made of elastic material is present, bounding a control gap (15) between same and an inner and/or outer circumferential wall (14) of the annular gap (12) having a control profile, wherein the open flow-through cross-section of said control gap is changeable under the pressure of the flowing water.

Abstract: A sanitary outlet armature having a water outlet with an outlet opening bounded by an inner circumferential wall of the outlet armature, at which inner circumferential wall an internal thread or similar receptacle is provided, in which a sleeve-shaped outlet orifice having an external thread or similar mating receptacle can be threaded in or attached, an insert cartridge being inserted and/or threaded into the outlet orifice, said cartridge including a jet regulator. The outlet orifice supports at least one sealing ring on the circumferential wall thereof, this ring radially or axially sealing between the outer circumferential wall of the outlet orifice and the inner circumferential wall of the outlet armature. The outlet armature allows a reduced production effort and easier maintenance, without sacrificing functionality and seal tightness in the area of the outlet opening.

Abstract: A continuous fire suppression system includes a fire suppressing vapor cooking medium circulating within a cooking chamber of a spiral oven; a temperature analyzer arranged to monitor a temperature of the fire suppressing vapor cooking medium; finned heating elements in communication with the temperature analyzer and arranged to heat the fire suppressing vapor cooking medium; a humidity analyzer arranged to monitor a relative humidity of the fire suppressing vapor cooking vapor medium; and a fire suppressing vapor cooking medium injector in communication with the humidity analyzers. the at least one fire suppressing vapor cooking medium injector arranged to inject the fire suppressing vapor cooking medium into the cooking chamber as needed to maintain a relative humidity equal to or greater than a relative humidity of no more than 10% vol. dry air with the remaining volume being the fire suppressing vapor cooking medium.

Abstract: A fire-fighting vehicle includes a boom assembly movably coupled to a chassis, a penetrating nozzle coupled to the boom assembly, an actuator that moves the penetrating nozzle relative to the chassis, and a controller operatively coupled to a sensor. The penetrating nozzle includes a piercing tip and an outlet configured to be selectively fluidly coupled to a supply of fire suppressant. The piercing tip is repositionable between a first position spaced from a surface of an object and a second position within an interior cavity of the object. The outlet supplies fire suppressant into the interior cavity when the piercing tip is in the second position. The sensor provides data relating to at least one of a position and an orientation of the piercing tip relative to the surface. The controller determines an angular orientation of the piercing tip relative to the surface based on the data.

Abstract: Scent devices and methods are provided. In one embodiment, the present invention can be a device to scent an environment comprising a scent and a structural component. The scent stick can have a length to average cross-sectional diameter ratio of at least about 4:1 according to some embodiments. The scent stick can be colored to blend into an environmental setting to make the presence of the scent stick unobtrusive. The scent stick may also be attached or hung by the addition of a hanger or hoop. The scent stick may be hung from a tree, automobile mirror or a person as an adornment. Other embodiments are also described.

Abstract: An automatic nozzle for firefighting low-pressure water mist systems comprising a nozzle body and shutter means, said nozzle body comprising a plurality of axial-symmetric components defining an inlet opening and a plurality of inner cavities, which are fluid-dynamic connected each other by means of one or more openings, being said components configured to generate a radial spray through a circumferential opening, which extends all over the circumference of a second component, said circumferential opening being formed between a base of an annular board of the second component and an upper surface of a hollow body of a third component, and two or more full cone sprays by means of the fluid passage through cylindrical openings on a circular and axial-symmetric body of a fifth component, configured to define a turbulent motion of the fluid in at least two correspondent cylindrical cavities of a fourth component.

Abstract: Spray nozzle device for spraying a cast strand or similar metallurgical products with a misty air/water mixture for uniformly cooling the cast strand. The air/water mixture is produced in a mixing chamber which acts as a diffusor and includes an air inlet, a water inlet, and a nozzle outlet approximately in alignment with the air inlet. The air inlet is arranged in an air inlet nozzle, the tip of which protrudes into an upper region of the mixing chamber and preferably has air outlet holes oriented perpendicular to a longitudinal axis of the mixing chamber. Water enters near the tip through at least one water outlet hole oriented perpendicular to the longitudinal axis and placed such that the water jet exiting the water outlet hole flows past the air outlet holes. The air flow or air pressure and the water flow or water pressure do not influence each other.

Abstract: An object of the present invention is to provide a fuel injection valve which has a structure where failure hardly occurs in a valve member and a peripheral member thereof at the time of press-fitting of a fixed core. The present invention provides a fuel injection valve that includes: a valve member 114A; an anchor 102 which is relatively displaceable with respect to the valve member 114A; a fixed core 107 in which a through-hole 107A is formed; a gap forming member 133 which forms a gap between an engagement portion 129B on the valve member side and an engagement portion 102D on the anchor side; and a biasing spring 134 which biases the gap forming member 133 in a valve closing direction. The engagement portions 102D and 129B are provided in both the anchor 102 and the valve member 114A so as to be engaged with each other when the anchor 102 is displaced in a valve opening direction with respect to the valve member 114A, thereby regulating the displacement of the anchor 102 in the valve opening direction.