Abstract: A dual fuel injector includes a liquid needle valve member guided to move in and out of contact with a first valve seat positioned between a liquid nozzle chamber and a liquid nozzle outlet set. A gas needle valve member is guided to move in and out of contact with a second valve seat positioned between a gas nozzle chamber and a gas nozzle outlet set. A hydraulic lock seal for inhibiting migration of gas fuel from the gas nozzle chamber into the first fuel includes an annular volume surrounding a guide segment of the gas needle valve member. The annular volume is fluidly connected to the liquid nozzle volume by a seal passage. A check valve positioned in the seal passage may close when a gas fuel supply is exhausted and an engine utilizing the dual fuel injector operates in a limp home single fueling mode.

Abstract: A gas turbine engine nozzle includes a flap movable relative to a structure. A seal assembly is supported by one of the structure and the flap and includes a seal hinged about an axis. The seal has a sealing profile engaging a seal land of the other of the structure and the flap. A biasing member is configured to urge the hinged seal toward the seal land. A method of sealing a nozzle flap includes supporting a seal relative to a structure along an axis. The seal is urged toward a nozzle flap. The seal rotates about the axis to maintain engagement between the seal and the nozzle flap in response to the urging step.

Abstract: A fluid distribution system and method for mobile applications. The system includes a power source, a pump driven by the power source, and a motor driven by the pump. The system also includes a spray head with a fluid inlet passage, a fluid outlet passage, a fluid piston disposed in a chamber for controlled access between the inlet and outlet passages and defining a variable orifice, and a hydraulic cylinder controllably engaged to the orifice. The fluid piston and the hydraulic cylinder are aligned with a common longitudinal axis, and the inlet passage is offset from the axis in a direction opposed to the location of the outlet passage.

Abstract: A discharge device includes a discharge head that discharges a liquid material from a nozzle opening connected to the cavity by varying the internal pressure of a cavity using an actuator. The discharge head includes a monitoring portion provided between the cavity and the nozzle opening and the discharge device further includes a detection apparatus that detects the number and/or form of the particle-like bodies included in the liquid material in the monitoring portion of the discharge head and a control unit that drives the actuator according to the detection result of the detection unit to change the state of the particle-like bodies included in the liquid material of the monitoring portion.

Abstract: A system and method for monitoring soil and water resources is disclosed herein. Sensors capable of monitoring soil temperature, moisture and salinity are utilized with other sensors capable of monitoring such values as air temperature in order to provide real-time parameters to users/operators of land area.

Abstract: Described herein are devices and techniques for spray drying a fluid to produce a dried powder. Assemblies include a spray drying head attachable to a gas supplier and a liquid sample, such as a standard unit of blood product. The spray drying head can be adapted to provide an aerosolized flow of liquid sample exposed to a drying gas. The assembly also includes a drying chamber adapted to separate the aerosolized flow of liquid sample into a dried powder and humid air. The assembly can be disposable, provided in a sterilized kit and having simplified attachments allowing quick connect and disconnect from the gas and liquid sample. Separation of the powder from the humid air exiting the drying chamber occurs within a filtered collection bag. In some embodiments, one or more of the drying chamber and collection bag are formed form a thin-walled, collapsible material.

Abstract: A method and a device relate to the area of high-pressure vessels and to the construction of a vessel for a liquid which is under pressure in the process of operation of this vessel, and also a method of changing the hydraulic resistance of the liquid at the outlet from the vessel. This vessel can be for example a system of delivering fuel into a combustion chamber, various presses, including screw extruders in which the material which is being extruded is in the form of a non-Newtonian, i.e. viscoelastic liquid. The method consists in that at the outlet from the vessel (1) an additional tank (2) is mounted which is made in the form of a working chamber of variable volume with one or more discharge openings (3), the volume of the indicated additional tank (2) changing depending on the volume of the liquid which is contained in the working chamber of the additional tank, or depending on the change of the physical parameters of the process or according to a set program.

Abstract: A dispenser for an aerosol system for dispensing liquid material includes an outlet member, a collar member, an actuator member, and a selector member. The outlet member defines an outlet opening. The actuator member supports the collar member and the outlet member such that movement of the collar member relative to the actuator member causes the collar member to deform the outlet member. Movement of the selector member relative to the collar member causes movement of the collar member relative to the actuator member. Deformation of the outlet member alters a cross-sectional area of the outlet opening.

Abstract: A texture material formulated substantially to match a pre-existing texture pattern. The texture material comprises a carrier, a binder, a filler, and a pH change material. The texture material changes from a wet form to a solidified form when exposed to air. A pH of the texture material changes as the texture material changes from the wet form to the solidified form. An appearance of at least one appearance characteristic of the at least one material forming the pH change material changes as the pH of the texture material changes. An appearance characteristic of the texture material associated with the at least one material forming the pH change material in at least one of the wet form and the solidified form differs from a similar appearance characteristic of the pre-existing texture pattern.

Abstract: A micro-nozzle thruster comprising a micro-nozzle having an inlet at a first end perpendicularly aligned gas supply channel at a first end, and a thruster outlet at a second opposed end; said inlet in fluid communication with a gas supply channel, said gas supply channel perpendicularly aligned with a longitudinal axis of the micro-nozzle; a cathode within the gas supply channel and an anode external to the gas supply channel and proximate to the inlet, so as to create a plasma flow from said gas.

Abstract: An misting apparatus disperses odor-removing mist and comprises a reservoir assembly, misting pack(s), and a fan assembly. The reservoir assembly includes a reservoir and a baffle assembly. A reservoir receives and contains a deodorizing solution. The reservoir comprises an air flow inlet and a mist flow outlet. The baffle assembly is received in the reservoir and forms first and second chambers therewithin. The baffle assembly comprises air flow apertures for enabling air to flow from the first to the second chambers. The packs generate mist within the second chamber. The fan assembly generates air flow at the air flow inlet through the first chamber into the second chamber via the air flow apertures. The air flow into the second chamber thereby forms a mist flow which mist flow is directed through the mist flow outlet into the air surrounding the reservoir assembly for removing odors therefrom.

Abstract: A system and method for monitoring soil and water resources is disclosed herein. Sensors capable of monitoring soil temperature, moisture and salinity are utilized with other sensors capable of monitoring such values as air temperature in order to provide real-time parameters to users/operators of land area.

Abstract: A system and method for monitoring soil and water resources is disclosed herein. Sensors capable of monitoring soil temperature, moisture and salinity are utilized with other sensors capable of monitoring such values as air temperature in order to provide real-time parameters to users/operators of land area.

Abstract: A method of creating substantially monodisperse droplets comprising supplying a first fluid (1) and a second immiscible fluid (2) within a set of channels, the second fluid surrounding the first fluid and filling the channels to form a composite jet. The composite jet passes through an entrance channel (4) into a wider cavity (3), where the first fluid breaks into droplets (5), the resulting composite of droplets of the first fluid within the second fluid passing through an exit channel (6). The cross sectional area of the exit channel perpendicular to the flow is smaller than the cross sectional area of the cavity and the passage of a droplet of the first fluid out of the cavity via the exit perturbs the composite flow field within the cavity such that the incoming jet of the first fluid is perturbed.

Abstract: A sprinkler includes a turbine, a nozzle, a gear train reduction and a reversing mechanism that rotatably couples the gear train reduction and the nozzle. The gear train reduction includes an input stage and a planetary gear drive output stage that includes a first portion of the reversing mechanism. A second portion of the reversing mechanism is located outside of the gear train reduction. The second portion of the reversing mechanism includes a pair of arc tabs. At least one of the arc tabs is adjustable to establish an arc of coverage of the sprinkler when the water flowing past the turbine causes the gear train reduction and the reversing mechanism to oscillate the nozzle back and forth between a pair of arc stops. The arc stops are defined by the locations of the arc tabs. The input stage of the gear train reduction includes a mechanism that allows manual rotation of the nozzle between the arc stops without having to back drive the gears in the input stage.

Abstract: A device is disclosed that uses a flow-control methodology to control sprays at very high precision and frequency. The device is based on an enhanced Coanda effect. The control flow is selectively applied to the region in which we desire the jet to vector and control the profile (width) of the jet. The control flow is introduced through multiple control flow ports surrounding the primary nozzle and adjacent to the Coanda surface. By selectively opening and closing different control flow ports the motion and profile of the jet can be controlled.

Abstract: A pump, e.g., for delivering fluid, such as a metering pump for metering a coating agent in a coating system, is disclosed. An exemplary pump may include a pump inlet for feeding the fluid, a pump outlet for discharging the fluid, a rotatably supported drive shaft for mechanically driving the pump, and a coupling. The coupling may be structurally integrated in the pump, for mechanically connecting the drive shaft of the pump to an output shaft of a drive motor.

Abstract: In an irrigation system and method, a controller acquires data regarding soil moisture from one or more soil moisture sensors disposed in an irrigation area and determines whether to irrigate or withhold irrigation from the irrigation area based on a combination of evapotranspiration (ET) data and the acquired soil moisture data. An irrigation means is responsive to the controller determining whether to apply or withhold irrigation from the irrigation area for respectively applying or withholding irrigation from the irrigation area.

Abstract: Systems and methods for optimizing and controlling the dissolution of ozone or other gas in a liquid within a pressure vessel by regulating vessel pressure, flow rate of a liquid into the vessel, retention time of the gas and liquid in the vessel, gas flow rate, liquid spray pattern, and internal mixing within the vessel are disclosed. The optimal operating vessel pressure, flow rate of the liquid, retention time of the gas and liquid in the vessel, gas flow rate, liquid spray pattern, and internal mixing within the vessel may be determined based on the operating characteristics of an ozone generator.

Abstract: An electric solenoid valve, methods for operating and/or actuating the solenoid valve, valve system diagnostics, and applications for use are described. The valve may be designed to actuate in a manner so as to control liquid flow into and/or through a device, such as a spray nozzle. By altering the characteristics of the electrical signal transmitted to the solenoid valve, the instantaneous pressure across the valve and duration of fluid flow through the valve can be controlled with a single actuator. Controlled cyclic durations of flow may be implemented to regulate the exact timing of flow through the valve. Alternatively, cyclic durations may occur with a pulse-width modulation technique in which the duty cycle regulates average flow rate through the valve.

Abstract: The pressure swirl atomizing nozzle for spraying a curable composition comprises an orifice piece (16), which defines a funnel-shaped cavity and an exit orifice (17), and an injector piece (18) which closing off the funnel-shaped cavity so that the funnel-shaped cavity forms a swirl chamber (19) between a front side of the injector piece (18) and the exit orifice (17). The injector piece (18) comprises at least two swirl ports (20) which end in the swirl chamber (19) for injecting the curable composition therein and for thereby imparting swirl to the curable composition. Compared to the sum of the smallest cross-sectional areas of the swirl ports (20), the side wall (24) of the swirl chamber (19) has a relatively small surface area which is however still large enough to distribute the curable composition so as to achieve a uniform spray pattern. By the reduced size of the swirl chamber (19), the curable composition can be atomized more efficiently.

Abstract: The invention concerns a two-part spray application system and method for applying a two-part spray on an object. First and second pumps have outlets, with the pressure at each outlet monitored by pressure transducers. During the spraying process for each object, the pressure at the outlet of each pump must exceed a minimum threshold pressure at least once, or a fault condition is indicated. Such fault conditions may indicate a leak or disconnect in a hose downstream of the pumps.

Abstract: There is provided a porous formed article which can remove hazardous substances at a high speed, has a high adsorption capacity and has high durability to cleaning chemicals and further which is scarcely broken even if being repeatedly used, and which contains an organic polymeric resin and an inorganic ion-adsorbing material, wherein the organic polymeric resin is a polyether sulfone resin and/or a polysulfone resin, and is an organic polymeric resin having a hydroxyl group.

Abstract: A method of controlling operation of a diffusion appliance to treat the atmosphere within an enclosed space. The method may include programming the operation of the appliance according to a control scheme specifying a flow rate of liquid to a diffusion means and a periodic operation of the diffusion means. Control schemes may be associated with different volumes of spaces to be treated by the appliance, the rate of decay of the liquid within the space to be treated and the level of concentration of the liquid desired within the space.

Abstract: An apparatus and method comprising a fan nozzle sleeve, a plurality of slider mechanisms, and a fan nozzle actuator system. A flow of gases generated by an engine moves through and exits the engine at an aft end of the fan nozzle sleeve. The plurality of slider mechanisms is configured to connect the fan nozzle sleeve to a translating sleeve for a thrust reverser for the engine. The fan nozzle actuator system is configured to activate the plurality of slider mechanisms to move the fan nozzle sleeve in an aft direction to change a direction of the flow of gases exiting the engine at the aft end of the fan nozzle sleeve.

Abstract: A multipurpose fluid distribution system including a network of fluid distribution heads associated with a landscape. Also included is a water supply feeding the network of fluid distribution heads. The fluid distribution heads may be typical irrigation or sprinkler heads or specialized heads useful for reaching portions of the outside of a structure or landscape which are not typically irrigated such as the roofs of buildings. Also included in the multipurpose fluid distribution system is a series of distribution valves operatively disposed between the water supply and the network of fluid distribution heads. The system can be controlled with a control unit associated with the distribution valves which is configured to automatically open select distribution valves or open select distribution valves according to manual input.

Abstract: A nozzle includes a center body that defines an axial centerline and a shroud circumferentially surrounding at least a portion of the center body to define an annular passage between the center body and the shroud. A plurality of vanes between the center body and the shroud comprise a radially outward portion separated from the shroud. A method for enhancing flow through a nozzle includes flowing a fuel through a center body and flowing a fluid stream across a vane located between the center body and a shroud surrounding at least a portion of the center body. The method further includes flowing the fluid stream between a radially outward portion of the vane and the shroud, wherein the radially outward portion of the vane is separated from the shroud.

Abstract: Systems and methods for adjusting or providing instructions to spraying systems are provided. In an exemplary embodiment of the present disclosure, a method of adjusting a spraying system is provided. The method comprising: electronically determining a current location of a spraying system; electronically determining a proximity to one or more sensitive areas relative to the current location; and adjusting the spraying system in response to a first one of the one or more sensitive areas being within a first distance from the current location.

Abstract: A mobile drip irrigation system that includes a supply pipe connected at one end to a liquid source and extending therefrom. At least one tower supports the supply pipe above the ground, and includes a driver for moving the tower and supply pipe in a desired direction. A plurality of ports are positioned along the supply pipe. The system includes a plurality of vertically oriented drop line assemblies. Each drop line assembly has an upper end connected to one of the plurality of ports, and a lower end spaced above the ground. A horizontal liquid distribution system is fluidly connected to the plurality of drop line assemblies to allow a horizontally uniformly spaced drip of the liquid at a desired distance from the ground.

Abstract: A flat type pressure regulated drip emitter with a non-drain valve capabilities that is installable inside a water supply conduit during the conduit manufacturing process and characterized by that the emitter's non-drain valve function is executed independently and separately from its pressure regulation function, through a portion of the emitter's elastomer component that is strained and biased against the emitter's water inlet opening and is moveable towards and away from an additional opening (additional to the emitter's water outlet opening), exposed to the pressure prevailing in the emitter's water exit pool and therefore, at any given time, this portion of the elastomer component is exposed to the maximum differential pressure that prevails in the system—on its one side to the water pressure prevailing in the water supply conduit and on its other (second) side—to the approximate atmospheric pressure.

Abstract: A method of operating a pressure compensated fuel injector includes: filling a fuel chamber with a charge of fuel by closing an injector valve and circulating a fuel from a fuel source through a plurality of recirculating valves and a cap valve; then isolating the fuel chamber and the charge of fuel from the fuel source; then equalizing a pressure within the fuel chamber to a rising pressure outside the fuel chamber by reducing a volume of the isolated fuel chamber; and then activating a solenoid that is coupled to the injector valve, opening the injector valve; and then further reducing the volume of the isolated fuel chamber to apply an over pressure within the chamber, pumping fuel from the fuel chamber through the injection orifice.

Abstract: Described herein are devices and techniques for spray drying a fluid to produce a dried powder. Assemblies include a spray drying head attachable to a gas supplier and a liquid sample, such as a standard unit of blood product. The spray drying head can be adapted to provide an aerosolized flow of liquid sample exposed to a drying gas. The assembly also includes a drying chamber adapted to separate the aerosolized flow of liquid sample into a dried powder and humid air. The assembly can be disposable, provided in a sterilized kit and having simplified attachments allowing quick connect and disconnect from the gas and liquid sample. Separation of the powder from the humid air exiting the drying chamber occurs within a filtered collection bag. In some embodiments, one or more of the drying chamber and collection bag are formed form a thin-walled, collapsible material.

Abstract: An agricultural field sprayer (10) includes an electrically driven pump (50) locatable directly under sprayer fluid tank for conveying the fluid from the tank to a supply line. A return line (54) connects the pump (50) to the tank (22), and a sprayer line (32) connecting the pump (50) to an application assembly (20). The return line (54) and the sprayer line (32) include electrically operated control valves (68, 64), and an electronic control system (56) operates the motor (46) and the control valves (64, 68) as a function of different variables including field sprayer speed and sprayer fluid characteristics. The valve and motor controls and an additional valve-controlled return line facilitate numerous operational modes including tank fill, rinse, recirculation, spray, partial width spray, and stop modes.

Abstract: A fluid injector has a longitudinal axis (L) and a valve needle (12), which is axially moveable and operable to prevent a fluid injection in a closing position and to permit the fluid injection in further positions. The fluid injector also has an armature (14) which is mechanically coupled to the valve needle (12). Furthermore, the fluid injector has a solenoid assembly (30) which has at least a first and second coil (34, 36) and which is operable to magnetically actuate the armature (14) via an electrical signal (V) applied to at least one predetermined assortment of the at least two coils (34, 36).

Abstract: A fuel injector includes an injector body with a tip component that defines at least one nozzle outlet. A needle valve member is positioned in the injector body and includes a frustoconical segment positioned in a frustoconical bore to separate a needle control chamber from a nozzle chamber. The needle valve member includes an opening hydraulic surface exposed to fluid pressure in the nozzle chamber, and a closing hydraulic surface exposed to fluid pressure in the needle control chamber. The frustoconical bore and the frustoconical segment have a narrowing taper in the direction of an injector tip. The frustoconical features tend to slow the initial opening of the nozzle outlets, and hasten their closure relative to a counterpart injector with cylindrical needle guide features.

Abstract: Forward osmosis membranes having a hydrophilic support layer and a polyamide rejection layer in a thin film composite membrane are considered. Preferred support layer materials include aramid polymers and PVDF. A woven or non-woven mesh can be incorporated into the support layer to improve handling properties of the membrane. Flat sheet and hollow fiber configurations are possible. Antifouling techniques are provided. The polyamide layer can be formed on the hydrophilic support layer by interfacial polymerization. Applications include forward osmosis and pressure retarded osmosis applications, such as industrial product and/or waste concentration, hydration bags, energy/pressure generation, and controlled delivery of chemicals (e.g., for pharmaceutical applications).

Abstract: A method and device for passively periodically perturbing the flow field within a microfluidic device to cause regular droplet formation at high speed.

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 emitting pipe boring method, for forming an ejection hole on a drip pressure reducing hose above a discharging portion of at least one drip which is adhered to an inside of the drip pressure reducing hose and includes an introducing portion, a pressure reducing portion and a discharging portion, includes a first step for forming an upward projection to be higher than a height of the drip at the discharging portion of the drip, a second step for forming a protruding portion on the drip pressure reducing hose by the upward projection of the drip when the drip is adhered to the inside of the drip pressure reducing hose, and a third step for forming an ejection hole of the drip pressure reducing hose by horizontally cutting an upper portion of the protruding portion formed on the drip pressure reducing hose through the second step.

Abstract: A shape memory material inductive heating arrangement comprising an array of coils capable of carrying an alternating electrical current and generating a magnetic field, a shape memory element having a first modulus and a second modulus, the second modulus greater than the first, characterised in that the array of coils and shape memory element are in effective range so that when an alternating current is passed through the coils the shape memory element is subject to the magnetic field and heated thereby, the induced heat sufficient to change the modulus of the shape memory material from the first to the second modulus.

Abstract: The present application provides a fuel nozzle system. The fuel nozzle system may include a pre-orifice for a first pressure drop, a captured response volume in communication with the pre-orifice, a post-orifice in communication with the captured response volume for a second pressure drop, and a secondary fuel passage downstream of the post-orifice for a third pressure drop. The second pressure drop is less than the first pressure drop and the third pressure drop is less than the second pressure drop.

Abstract: A hand held shower with a button switching mechanism for switching spray patterns disclosed in the present invention comprises a body, a button switching mechanism and a cover unit. The button switching mechanism comprises a seat, a disc, a lever, a button, a lower ratchet wheel sleeve and an upper wheel bar. Each time the button pressed, the disc will be rotated to a certain angle so that the outlet hole of the disc will align with the different inlets of seat. The inlets of the seat and the channels with different functions of the cover unit cooperate to switch the spray pattern. The spray pattern can be conveniently and accurately switched by pressing the button with one hand and with little effort.

Abstract: A mist generating apparatus (100) is provided. The apparatus (100) has a longitudinal axis (L) and comprises first and second opposing surfaces (140,142) which define a transport fluid nozzle (150) between them. The apparatus (100) also has a working fluid passage (132) having an inlet (130) connectable to a supply of working fluid, and an outlet (160) on one of the first and second surfaces (140,142). The working fluid outlet (160) communicates with the transport fluid nozzle (150). The transport fluid nozzle (150) has a nozzle inlet (151) connectable to a supply of transport fluid, a nozzle outlet (155), and a throat portion (153) intermediate the nozzle inlet (151) and nozzle outlet (155). The nozzle throat (153) has a cross sectional area which is less than that of either the nozzle inlet (151) or the nozzle outlet (155).

Abstract: Apparatus and method are provided for reducing acoustical noise when cooling a device, such as a lamp system. The apparatus includes at least a set of a first synthetic jet and a second synthetic jet. The first and second synthetic jets are responsive to respective actuating signals having a phase difference (e.g., 180°) between one another chosen to reduce acoustic noise produced by the first and second synthetic jets when cooling the device.

Abstract: In a fluid pump and cartridge assembly, a cartridge includes a material inlet port, a material outlet port, and a feed screw. The feed screw delivers fluid to be dispensed from the fluid inlet to the outlet port. The fluid inlet is preferably elongated in a direction along a longitudinal axis of the feed screw to enhance consistency in material flow through the cartridge. The feed screw is preferably driven by a closed-loop servo motor to achieve high-performance dispensing resolution. The assembly is preferably compatible with fixed-z and floating-z cartridges. A optional vented dispense tip, in combination with the fluid pump, allows for repeatable deposit of fillet patterns while maintaining optimal consistency.

Abstract: Systems and methods for executing a fluid delivery mission are disclosed. In one embodiment a mobile fluid delivery machine for delivering fluid to a site has a tank storing fluid, and at least one spray head configured to spray the stored fluid onto the site. In addition, the mobile fluid delivery machine has a communication device configured to receive fluid delivery mission instructions from a site computing system, the mission instructions identifying a sequence of path segments on the site and corresponding fluid delivery amounts allocated to the path segments, and a location device configured to determine the location of the mobile fluid delivery machine on the site.

Abstract: A texturing system or texture material for applying a desired texture pattern on a patched portion of a surface. The texturing system comprises a texture material, a selecting system, and a dispensing system. The texture material comprises a carrier, a binder, a filler, and a change material.

Abstract: An adjustable arc spray nozzle for an irrigation sprinkler is provided, where positive indexing is provided at a plurality of present locations between relatively rotatable components of the nozzle for defining predetermined arcuate extents of the spray pattern.

Abstract: The present invention generally relates to the field of pharmaceutical sciences. More specifically, the present invention includes apparatus and devices for the preparation of pharmaceutical formulations containing large diameter synthetic membrane vesicles, such as multivesicular liposomes, methods for preparing such formulations, and the use of specific formulations for therapeutic treatment of subjects in need thereof. Formation and use of the pharmaceutical formulations containing large diameter synthetic membrane vesicles produced by using the apparatus and devices for therapeutic treatment of subjects in need thereof is also contemplated.

Abstract: A spray nozzle for an irrigation sprinkler is provided, where the nozzle has a deflector that is configured with depending ribs. Each of the ribs has micro-structures that cooperate with other geometry of the rib and deflector to define a plurality of different micro-ramps for dividing the discharged water into different sprays having different characteristics that can be combined to achieve a spray pattern.