Abstract: The present invention relates to a spray device, comprising a spray nozzle body (2) and a substantially planar membrane layer (6) suspended over a nozzle cavity (3) to generate microjets, especially for pharmaceutical applications, in particular preservative free formulations. The nozzle body (2,8) contains a microbial barrier, particularly a microvalve (23,24) between a fluid supply channel (9) and said cavity (3).

Abstract: The present invention relates to a spray device, comprising a spray nozzle body (2) and a substantially planar membrane layer (6) suspended over a nozzle cavity (3) to generate microjets, especially for pharmaceutical applications, in particular preservative free formulations. The nozzle body (2,8) contains a microbial barrier, particularly a microvalve (23,24) between a fluid supply channel (9) and said cavity (3).

Abstract: An ejector-integrated heat exchanger includes multiple tube forming members. The tube forming member includes an ejector, a flow-out side refrigerant passage, and a suction side refrigerant passage. The ejector includes a nozzle portion decompressing a refrigerant, a refrigerant suction port, and a pressure increasing portion in which the refrigerant drawn from the refrigerant suction port and the refrigerant jetted from the nozzle portion are mixed, a pressure of the mixed refrigerant being increased in the pressure increasing portion. In the flow-out side refrigerant passage, the refrigerant flowing out of the pressure increasing portion performs heat exchange while flowing. In the suction side refrigerant passage, the refrigerant that is to be drawn through the refrigerant suction port performs heat exchange while flowing. Multiple tube forming members are arranged such that the refrigerant flows in parallel with each other.

Abstract: A spray nozzle comprising a fitting that includes a connector, an elongate cylindrical portion extending from the connector, and a bore formed longitudinally through the fitting. A flexible tube is disposed in the bore. The nozzle includes a sleeve that includes an inlet opening configured to slideably receive the cylindrical portion. The sleeve includes a converging outlet operative to selectively deform an end portion of the tube when the sleeve is urged longitudinally toward the connector.

Abstract: An adjustable nozzle comprising a nozzle body with an inlet, an outlet, and a passageway having a smooth bore extending between the inlet and the outlet. The passageway has an inner dimension transverse to the central axis of the nozzle and a compressible wall wherein the inner dimension is adjustable to adjust the flow rate through the nozzle.

Abstract: An adjustable nozzle comprising a nozzle body with an inlet, an outlet and a flow chamber having a smooth bore extending between the inlet and the outlet. An elastic water impervious material is in fluid communication with the inlet and is tapered and is able to expand due to its elasticity. An adjustable non-rusting member connected to the nozzle body expands or constricts to either increase or decrease the inner diameter of the nozzle body to adjust the flow rate through the nozzle.

Abstract: An aerosol system for dispensing liquid material, comprising a container assembly and an actuator assembly comprising an outlet member defining an outlet opening, a collar member, an actuator member, and a selector member. 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 moves the collar member relative to the actuator member. Deformation of the outlet member alters a cross-sectional area of the outlet opening. When the actuator assembly is in a first position, the liquid material is prevented from flowing out of the container. When the actuator assembly is in a second position, the liquid material is allowed to flow out of the container assembly through the outlet opening.

Abstract: A system for dispensing texture material comprises a container, an outlet assembly, and an aerosol valve assembly. The container stores texture material and propellant material. The aerosol valve assembly is arranged to allow control of fluid flowing out of the container. The outlet assembly is configured such that the cross-sectional area of the outlet opening corresponds to the desired pattern. The aerosol valve assembly is operated to allow the propellant material to force the texture material out of the container through the outlet opening defined by the outlet assembly. The texture material forced out of the container is deposited on the target surface in the desired pattern.

Abstract: An adjustable nozzle comprising a nozzle body with an inlet, an outlet, and a passageway having a smooth bore extending between the inlet and the outlet. The passageway has an inner dimension transverse to the central axis of the nozzle and a compressible wall wherein the inner dimension is adjustable to adjust the flow rate through the nozzle.

Abstract: A spray nozzle assembly includes a pressure dependent variable spray orifice and an internal chamber which is at least partially bound by a flexibly deformable sidewall. At its distal end, the sidewall terminates at a distal face defining the spray orifice extending therethrough. A metering member extends distally from the internal chamber and through at least a portion of the spray orifice. As the pressure of a liquid supplied to the internal chamber by a liquid supply pathway varies, the flexibly deformable sidewall expands or contracts in response thereto. As the sidewall expands and contracts, the distal face moves relative to the metering member to change the effective size of the spray orifice.

Abstract: A pipe for carrying a fluid, having a longitudinal axis and defining a radial aperture for release of a jet of fluid having a radial direction component ?, the aperture having an aspect ratio greater than 2 and arranged with its elongate axis within 30 degrees of the longitudinal axis and having area greater than 0.2 the cross-sectional area of the pipe, the fluid jet having an angle ? between 30 and 80 degrees from the longitudinal axis.

Abstract: A sprinkler has a sprinkling device, and an inlet controlling device and an end cap respectively mounted on two opposite ends of the sprinkling device. The sprinkling device has a casing having outlet holes, and two regulating panels having regulating slots, two regulating wheels, two transmission rods and a cover having limit slots mounted on the casing. The outlet holes, the regulating slots and the limit slots respectively align with each other and are mounted around multiple nozzles. Turning the regulating wheels forces the nozzles to bend through the regulating panels so the sprinkler has a variety of sprinkling patterns to be suitable for every place where the sprinkler is placed. The nozzles are individually manufactured and are easily mounted on the casing and replaced.

Abstract: An agricultural sprayer includes a spray boom equipped with a plurality of spray heads, with each head having a body defining a cavity located in fluid communication with a fluid inlet and an array of four outlets leading to four nozzles respectively having different flow rates. A nozzle-select control member is mounted for rotation in the cavity and includes a fluid passage arrangement for establishing fluid connections between the inlet and different ones or combinations of the four nozzles as the control member is rotated among preselected discrete positions by an electric stepper motor, with the stepper motor being controlled in response to vehicle speed so that the spray tip capacity decreases for effecting a constant application rate as the vehicle speed decreases from a maximum permitted speed.

Abstract: An adjustable nozzle comprising a nozzle body with an inlet, an outlet, and a passageway having a smooth bore extending between the inlet and the outlet. The passageway has an inner dimension transverse to the central axis of the nozzle and a compressible wall wherein the inner dimension is adjustable to adjust the flow rate through the nozzle.

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 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 nozzle is provided. The nozzle includes a cylindrical housing defining a fluid flow path therethrough about a longitudinal axis and a first finger mounted to a first end portion of the housing comprising a wedge disposed on an outer surface of the first finger. A hollow shroud is coaxially disposed around the housing and longitudinally movable with respect to the housing. An outlet aperture is disposed in fluid communication with the fluid flow path, and a ramp disposed within an internal surface of the shroud and engageable with the wedge.

Abstract: A dispensing assembly for an aerosol system for dispensing liquid material comprises an outlet member defining an outlet opening, a selector member, a collar member, an actuator member, and a base member. The collar member supports the selector member. The actuator member supports the outlet member and the collar member. The base member engages the selector member to allow movement of the selector member relative to the collar member. Movement of the selector member relative to the collar member causes movement of the collar member relative to the actuator member. Movement of the collar member relative to the actuator member alters a cross-sectional area of the outlet opening.

Abstract: An adjustable nozzle comprising a nozzle body with an inlet, an outlet, and a passageway having a smooth bore extending between the inlet and the outlet. The passageway has an inner dimension transverse to the central axis of the nozzle and a compressible wall wherein the inner dimension is adjustable to adjust the flow rate through the nozzle.

Abstract: A spray nozzle assembly includes a pressure dependent variable spray orifice and an internal chamber which is at least partially bound by a flexibly deformable sidewall. At its distal end, the sidewall terminates at a distal face defining the spray orifice extending therethrough. A metering member extends distally from the internal chamber and through at least a portion of the spray orifice. As the pressure of a liquid supplied to the internal chamber by a liquid supply pathway varies, the flexibly deformable sidewall expands or contracts in response thereto. As the sidewall expands and contracts, the distal face moves relative to the metering member to change the effective size of the spray orifice.

Abstract: An adjustable nozzle comprising a nozzle body with an inlet, an outlet, and a passageway having a smooth bore extending between the inlet and the outlet. The passageway has an inner dimension transverse to the central axis of the nozzle and a compressible wall wherein the inner dimension is adjustable to adjust the flow rate through the nozzle.

Abstract: A spray nozzle assembly includes a pressure dependent variable spray orifice and an internal chamber which is at least partially bound by a flexibly deformable sidewall. At its distal end, the sidewall terminates at a distal face defining the spray orifice extending therethrough. A metering member extends distally from the internal chamber and through at least a portion of the spray orifice. As the pressure of a liquid supplied to the internal chamber by a liquid supply pathway varies, the flexibly deformable sidewall expands or contracts in response thereto. As the sidewall expands and contracts, the distal face moves relative to the metering member to change the effective size of the spray orifice.

Abstract: A microdosing apparatus and method include a fluid conduit having a flexible tube with a first end for connecting to a fluid reservoir and a second end where an outlet opening is located. An actuating device with a displacer with an adjustable stroke is provided, by which the volume of a portion of the flexible tube can be changed to thereby dispense liquid as free flying droplets or as a free flying jet at the outlet opening by moving the displacer between a first end position and a second end position, whereby the tube is partly compressed in the first or the second end position.

Abstract: A fluid dispenser nozzle including a resilient sealing lip fitted on a substantially rigid support, the sealing lip being adapted to bear in leaktight manner against a shutter member belonging to the support that also includes a fastener member connected to the shutter member via a movable connection, the fastener member carrying the sealing lip. The movable connection is adapted to enable the shutter member to be moved from a first position in which the shutter member is spaced apart from the sealing lip to a second position in which the shutter member bears against the sealing lip and elastically deforms the sealing lip.

Abstract: There are some cases where cracks occur at a plurality of areas on an external electrode when a displacement quantity of a laminated piezoelectric element is large. In such cases, there is a possibility of a voltage not being applied to a portion of the laminated structure due to the cracks caused by a long time drive to cause a reduction in the displacement quantity. A low rigidity layer is arranged on the laminated structure to form a plurality of portions divided by the low rigidity layer in a laminating direction. Each portion is provided with power feeding members on the anode side and the cathode side. Thus, a voltage can be stably supplied to each internal electrode.

Abstract: A firefighting nozzle of the present invention includes a nozzle body with an inlet and an outlet, a passageway having a smooth bore extending between the inlet and the outlet of the nozzle body, and a compressible member defining at least a portion of the passageway. The compressible member has an inner dimension transverse to the longitudinal central axis. The nozzle also includes an adjuster mounted about the compressible member for selectively compressing the compressible member, wherein the pressure of the fluid flowing into the nozzle applies an outwardly directed pressure on the compressible member to thereby increase the inner dimension of the compressible member, and with at least a portion of the pressure being diverted from the passageway for applying an inwardly directed pressure on the compressible member to thereby at least reduce the force needed to be applied by the adjuster to counter-act the outwardly directed pressure when adjusting the flow rate of the nozzle.

Abstract: A dispensing assembly for an aerosol system for dispensing liquid material. The dispensing assembly comprises a base member defining an alignment groove, an actuator member defining a plurality of finger portions, an outlet member defining an outlet opening, a selector member defining a flange portion and a selector threaded portion, and a collar member defining an opening surface and a collar threaded portion. The outlet member is arranged within the plurality of finger portions such that the actuator member and the outlet member define a dispensing path in fluid communication with the outlet opening. The collar member engages the actuator member such that the opening surface is adjacent to the finger portions. The selector threaded portion engages the collar threaded portion. The flange portion of the selector is arranged within at least a portion of the alignment groove.

Abstract: Adjustable nozzles for directing a solid-stream of fluid and associated methods for using the same are provided. According to one embodiment, the adjustable nozzle includes a base member having an aperture therethrough defining a nozzle inlet. The nozzle includes a plurality of elongate vanes each having first and second ends. The first ends of the vanes extend from the base member in a circumferential configuration so as to form an interior region. The second ends of the vanes are operable to define an expandable nozzle outlet. The nozzle includes a liner extending from the nozzle inlet to the nozzle outlet within the interior region. The liner is structured to direct the fluid from the nozzle inlet to the nozzle outlet. Each of the plurality of vanes is biased towards the liner to thereby support the liner and control the flow of the fluid therethrough.

Abstract: A dripper adapted to be bonded to interior of an irrigation pipe during manufacture and to be associated with an outlet opening in said pipe. The dripper comprises an outwardly facing surface adapted for the bonding, an outlet area associated with the surface, and at least one bulge near the outlet area. The bulge defines an outermost portion of the surface at least during manufacture of the pipe, and is adapted to form, when the dripper is bonded to the pipe, a raised outlet region in the pipe associated with the bulge. The bulge and outlet area are designed so as to form the raised outlet region suitable for at least a part of the outlet opening to be formed therein and be defined by the material of the pipe.

Abstract: A fluid atomizer that can include an orientable extension conduit between a pump bottle and an atomizing nozzle. A brace element between the bottle and the conduit limits movement of the nozzle during actuation of the pump mechanism. A resilient enlargement to engage the bottle may be included to permit suspending the bottle in commercially available storage racks.

Abstract: An adjustable nozzle comprising a nozzle body with an inlet, an outlet, and a passageway having a smooth bore extending between the inlet and the outlet. The passageway has an inner dimension transverse to the central axis of the nozzle and a compressible wall wherein the inner dimension is adjustable to adjust the flow rate through the nozzle.

Abstract: An automatic fire sprinkler having a variable orifice, the sprinkler having a variable orifice associated with the automatic fire sprinkler, and wherein the orifice is responsive to the water inlet pressure of the sprinkler.

Abstract: A nozzle having a housing and an assembly including at least two conjugated parts separated by a spacer seal. The assembly is arranged in the housing so as to form a nozzle outlet. At least one of he housing, the parts, and the spacer seal are deformable so as to define a geometry of the nozzle outlet and seal surfaces between the parts and the spacer seal and between the parts and the housing.

Abstract: A flexible, self-adjusting flow nozzle is provided, optimally configured for agricultural uses. The nozzle flexes automatically in response to changes in fluid pressure, thereby maintaining an optimal droplet size and spray area for a variety of flow rates. The self-adjusting characteristic of the nozzle allows for the creation of a fully or semi-automatic spray system. The fully automatic system uses a GPS receiver to compare actual geographic data against a predetermined flow plan for automatically making adjustments to flow rate in order to accommodate both speed changes and varying crop needs. The semi-automatic system uses a manually controlled flow rate but utilizes the self-adjusting capabilities of the spray nozzle.

Abstract: A rotary drive sprinkler having a multiplicity of nozzles which can be changed at any time. The nozzle assembly can have a cylindrical housing having a plurality of nozzles to rotate against a cylindrical housing assembly can have a cylindrical cavity at its outer portion receiving a flexible nozzle strip for directing flow from a nozzle housing. A nozzle sleeve, or ring, having a plurality of exit nozzles around the outside of the nozzle assembly can be rotated about an inner housing.

Abstract: The present invention relates to a spray head for spreading liquid or semi-liquid products, preferably foodstuff. A product feeder (5) is provided to feed or convey a product (2) through a feed conduit (3) from a product container (4) to the spray head (1) and spraying nozzles (18) are provided to spread the product (2) when it is discharged from the spray head (1). The spray head (1) comprises three separate members, namely an upper coupling member (7), a lower coupling member (8) and a nozzle member (9) provided therebetween. The upper coupling member (7) is connected to the lower coupling member (8) and to the feed conduit (3). The nozzle member (9) and/or the upper coupling member (7) define, when the upper and lower coupling members (7, 8) are interconnected, distributing spaces (13) for distributing product (2). The spraying nozzles (18) of the nozzle member (9) are provided to open and to close.

Abstract: The bag valve comprises an open-ended sleeve of pliant impermeable material, one end of which is removably clamped around the down-stream open end of a conduit for fluids. The other end of the sleeve, the downstream end, can be gathered into a fully or partially closed configuration by a drawstring around the downstream sleeve end. A resilient stopper may be attached inside the downstream end of the conduit, against which the drawstring is biased when fully tightened, in order to minimize leakage from the sleeve. A cleat may be attached to the outside of the conduit for more easily securing the drawstring ends when the valve is partially or totally closed.

Abstract: A soaker/sprinkler hose having a cylindrical cross section with radial discharge orifices circumferentially spaced about the entire perimeter of the conduit along the length thereof for simultaneously directing liquid flow streams downwardly into the ground on one side of the conduit for soaking the ground and upwardly into the air for watering the ground in sprinkling fashion. The hose is formed with a plurality of axially aligned rows of discharge orifices, at circumferentially spaced intervals about the conduit, and is cured in a retractable coiled condition which facilitates random direction of the discharging liquid streams when the hose is extended and which facilitates handling and storage of the hose. A method of making the coiled soaker/sprinkler hose also is disclosed.

Abstract: A spray extension device for a spray can includes at least a pair of telescopable extension tubes fitted to and in fluid communication with the valve stem of a spray can. Advantageously, the extension tubes are fitted to a closure cap which, in turn, is fitted to the valve stem, and, thereby, in fluid communication with the interior of the can. Depressing of the closure cap causes the valve stem to issue fluid therethrough, into the tubes.

Abstract: A unitized mat to facilitate growing woody plants includes at least two polymeric material layers, an inlet for delivery of fluid, and at least one outlet for dispensing fluid into an area covered by at least one layer. There is an opening in the layers through which the plant extends along with an installation seam with overlapping ends. The mat includes perforations, aligned or off-set, for fluid outlets and may be used in a container, such that a polymeric material layer covers the surface thereof. Flexible extension flaps adjust for container size and shape. The mat is removably affixed to a container and/or can be fed by a water-filled container with a polymeric material layer integral with the container. The mat may be used for woody plants in a row, such as orchard applications. Extension flaps provide continuous cover around and between plants, and perforations provide anchors for fixable positioning.

Abstract: A water jet ventilator or aerator is provided for a sanitary fitting such as a faucet. The water jet ventilator has a jacket defining a water inlet and a water outlet, jet splitting obstacles and structure for mixing the jets with air. The ventilator device splits the flowing water into jets, mixes the jets with air and combines the flow into a stream. In the vicinity of the water outlet, the ventilator components in contact with the water are subject to calcification. According to the invention these components are provided with soft and/or water repellent surfaces to reduce or eliminate calcification and to facilitate cleaning. The soft surfaces facilitate cleaning because adhering lime is easily be detached by slight manual deformation of the surfaces to which the lime has adhered.

Abstract: A spray head (1) for spraying fluid through a spray orifice (7), the head being provided with an expulsion channel (5), and with a closure member disposed in fixed manner in the expulsion channel (5), upstream from the spray orifice (7), the closure member comprising a closure element (9) which, at rest, closes off the spray orifice (7), and an elastically-deformable portion (10) supporting the closure element (9) for opening the spray orifice (7), the spray head (1) further being provided with a spray profile, the spray head being characterized in that the spray profile is formed on the closure member.

Abstract: A water jet deliver disk in kitchen sprayer, comprising a first element, made of a rigid material such as plastic, and constituted by a peripheral body fixable to the sprayer body, by a hub adapted to convey a central jet, and by cross-members connecting the peripheral body and the hub in a monolithic structure and arranged to provide water passage openings, and a second annular element, made of an elastic material and associated with the first element to embed the cross-members in the region between the peripheral body and the hub, and comprising holes for water passage which are arranged at the passage openings formed by the cross-members to provide jet.

Abstract: A water jet ventilator or aerator is provided for a sanitary fitting such as a faucet. The water jet ventilator has a jacket defining a water inlet and a water outlet, jet splitting obstacles and structure for mixing the jets with air. The ventilator device splits the flowing water into jets, mixes the jets with air and combines the flow into a stream. In the vicinity of the water outlet, the ventilator components in contact with the water are subject to calcification. According to the invention these components are provided with soft and/or water repellent surfaces to reduce or eliminate calcification and to facilitate cleaning. The soft surfaces facilitate cleaning because adhering lime is easily be detached by slight manual deformation of the surfaces to which the lime has adhered.

Abstract: A shower head generally comprising a backing plate, a diaphragm and a cover plate. The rear surface of the backing plate includes a receptacle for receiving a conduit through which pressurized water may be directed to an aperture extending through the backing plate. The front surface of the diaphragm has a plurality of nipples extending outwardly therefrom with each nipple having longitudinal bore extending therethrough. The cover plate has a plurality of holes extending therethrough for receiving the nipples on the diaphragm such that the cover holds the diaphragm against the front surface of the backing plate. Pressurized water delivered through the aperture causes an outward deflection of the diaphragm away from the backing plate allowing water to be expelled through the bores in the nipples.

Abstract: A circularly symmeterical casing is deformable between a maximum flow section and a minimum flow section, making it possible to increase the pressure of the air passing through casing from a minimum pressure for the maximum flow section to a maximum pressure for the minimum flow section. The invention makes it possible to obtain a fluid jet of substantially constant range.

Abstract: A spray head for fixing on a control rod of a valve or a pump. The spray head includes a body and a shutter disposed in a housing of the body. The housing is suitable for dispensing substance under pressure. At rest the shutter is in a closed position in which its frustoconical head portion is seated a frustoconical bearing surface of the body. The shutter moves away from the bearing surface under the pressure of the substance contained in the housing when the substance is being dispensed to form an annular dispenser orifice enabling the substance to be dispensed in the form of a hollow conical spray, at least in the vicinity of the spray head. The shutter moves away from the bearing surface against a resilient return action urging it back towards its closed position and returns to the closed position when the pressure of the substance diminishes.

Abstract: A fuel injector comprises an outer valve needle, an inner valve needle slidable within a bore formed in the outer valve needle, an inner end of the inner valve needle being located within the bore, the inner end of the inner valve needle being provided with a recess whereby the application of fuel under pressure to the bore deforms the inner valve needle to form a substantially fluid tight seal between the inner and outer valve needles. The inner and outer needles may be exposed to the fuel pressure within a common control chamber, a single actuator arrangement being used to control movement of both needles.

Abstract: The device includes a first and a second member. A gap between the first member and the second member is provided as a passageway tapered toward a distal end thereof. Seal liquid is supplied through this passageway to ports of a cell charged with liquid crystal, under the effect of capillary action.

Abstract: A spray nozzle assembly composed of a support member defining a product flow path for conducting a flowable product which is to exit the nozzle assembly in the form of a spray; a spray nozzle member providing a spray opening communicating with the flow path, the spray nozzle member being operative for emitting the flowable product from the spray opening in a form determined by the size and shape of the spray opening; and a holding member for holding the spray nozzle member in position relative to the support member, wherein the spray nozzle member is made of an elastic material which is deformable in a manner to vary the size of the spray opening, and the holding member is movable relative to the support member for deforming the elastic material of the spray nozzle member to vary the size of the spray opening.