Abstract: A spraying apparatus includes: a tank that stores a fluid; a spraying unit that is disposed at a lower portion of the tank, is connected to the tank through a flow path, and sprays the fluid that flows from the tank through the flow path by a weight of the fluid; a flow-path opening/closing unit that is disposed on the flow path between the tank and the spraying unit, and opens and closes the flow path; and an electrolyzing unit that is disposed between the flow-path opening/closing unit and the spraying unit, and electrolyzes at least a portion of the fluid. The fluid electrolyzed by the electrolyzing unit is supplied to the spraying unit by an opening and closing of the flow-path opening/closing unit.

Abstract: A dispenser for dispensing a liquid includes a chamber holding a supply of liquid, an annular conduit substantially filled with liquid from the chamber, and a thermoelectric transducer near one end of the annular conduit. Upon application of electrical current to the thermoelectric transducer, the transducer operates to cause boiling of a quantity of liquid in the annular conduit. Expansion of a resulting bubble forces liquid out the end of the annular conduit. The dispenser may include battery powered electronic control circuit that includes a supercapacitor. The liquid may be dispensed in periodic bursts. In one application, the dispenser is especially suited to automatically and unobtrusively dispense a fragrance, perfume, or other personal care liquid worn by a person. In some applications, the dispenser may be worn on or under an article of clothing, or attached to an article of jewelry.

Abstract: With a micro nozzle in which the fluid discharge head has a nozzle with a micro hole having a diameter of 0.01 ?m to 25 ?m, the drive voltage during discharging operation is reduced. Further, by disposing an electrode section for applying a drive voltage to a discharge fluid on an external wall of a nozzle section, a distance between the electrode section and the nozzle hole is shortened. With this structure, the subject invention achieves both miniaturization of nozzle and reduction in drive voltage in an electrostatic suction type fluid discharge device. The subject invention also achieves an increase in discharge limit frequency while allowing use of materials with higher resistance for the fluid to be discharged.

Abstract: A device for dispensing coating material includes at least two electrodes for coupling to at least one high-magnitude potential supply so that the at least two electrodes are maintained substantially at two different high-magnitude potentials so that an electric field exists between the at least two electrodes. At least one of the at least two electrodes includes a passageway extending therethrough to provide a flow of compressed gas through the at least one of the at least two electrodes.

Abstract: An electrostatic atomizing device is provided, which is capable of increasing the generation of a fine mist, while suppressing abnormal discharge and the generation of ozone. This electrostatic atomizing device is equipped with a plurality of atomizing electrodes, to which a high voltage is applied by a single high voltage generating circuit, counter electrodes disposed so as to face the atomizing electrodes; and a liquid transfer means for transferring a liquid (e.g., water) to each of the atomizing electrodes. The atomizing electrodes are connected in parallel to the high voltage generating circuit, and a resistive element for suppressing discharge current is inserted between the high voltage generating circuit and each of the atomizing electrodes.

Abstract: An electrostatic atomizer comprising a discharge electrode, a counter electrode, a cooling source, a high voltage power supply and a voltage detector. The cooling source cools the discharge electrode to form thereon dew as water. The power supply applies high voltage for discharge across the electrodes. The detector detects voltage between the electrodes. The power supply includes a control device and a voltage stabilizing device that are opposite to each other in temperature characteristic. The control device operates to pick up the voltage detected with the detector via the voltage stabilizing device, and to adjust the high voltage applied across the electrodes through feedback control so that the voltage corresponds to specified discharge voltage.

Abstract: An electrostatic atomizing device for ejecting a mist of charged minute particles includes metal ion elution means for eluting sterilizing metal ions into a liquid to be electrostatically atomized. The metal ions are taken up by the charged minute particles, and are ejected into an environment space together with the charged minute particles, thereby eliciting a sterilizing effect. The elution amount of the metal ions is regulated by varying the voltage applied between two kinds of metal bodies.

Abstract: An electrostatic atomizer, for use in a motor vehicle, includes a discharge electrode, a water supply unit for cooling the discharge electrode to generate water condensed on the discharge electrode, and a high voltage applying unit for applying a high voltage to the water on the discharge electrode to electrostatically atomize the water. The electrostatic atomizer is arranged in a ceiling of the motor vehicle. The electrostatic atomizer further includes an ejection portion provided in the ceiling of the motor vehicle for ejecting electrically-charged water particles generated by electrostatic atomization and an ejection direction changing unit provided in the ejection portion for changing an ejection direction of the electrically-charged water particles.

Abstract: An electrospray apparatus for dispensing a controlled volume of liquid in pulses at a constant frequency is provided. The apparatus comprises an emitter (70) having a spray area from which liquid can be sprayed, a means for applying an electric field (78) to liquid in, on or adjacent to the emitter (70). In use, liquid is drawn to the spray area by electrostatic forces and electrospray occurs in pulses at a constant frequency whilst the electric field (78) is applied.

Abstract: A cartridge for an electrohydrodynamic spraying device and a spraying device incorporating the cartridge, where the cartridge includes a locking mechanism. The cartridge is disposable, and can contain therapeutic or other fluid products. The fluid is delivered from the cartridge by a shaft-mounted piston, while the locking mechanism can be selectively engaged with the shaft such that in the engaged position, the locking mechanism prevents the piston from advancing by inhibiting movement of the shaft. When the locking mechanism is disengaged from the shaft, the shaft and piston are free to move, such as in response to a power source in the spraying device. The selective engagement between the locking mechanism and the shaft during periods of inoperability of the spray device prevents the buildup of fluid pressure in the cartridge that otherwise could blurt out upon subsequent operation.

Abstract: An electrostatic atomizer includes an atomizing electrode, a water supply unit for supplying water to the atomizing electrode, a high voltage power circuit and a control unit. The high voltage power circuit applies a high voltage to the atomizing electrode to electrostatically atomizing water supplied to the atomizing electrode and to generate electrically charged water particles. The control unit controls the high voltage power circuit such that the voltage applied to the atomizing electrode is gradually increased at the time of starting the electrostatic atomizer. Further, the control unit may control the high voltage power circuit such that the voltage is increased to a target voltage in steps at the time of starting the electrostatic atomizer, and an increment of the voltage at each step is decreased as the voltage approaches the target voltage.

Abstract: An electrostatic atomizer includes an atomizing electrode to which a high voltage is applied to atomize water held on the atomizing electrode so as to generate charged water particles; and a cooling unit for producing water, to be supplied to the atomizing electrode, through condensation. The cooling unit is made using a cooling part of a cooling cycle which circulates a coolant between a heat-radiating part and the cooling part. A coolant-circulating equipment incorporating the electrostatic atomizer therein includes a condensation space in which the atomizing electrode is disposed to produce condensate water; a cooling space in which the cooling section of the cooling cycle is disposed to produce cold air; and a partition wall for separating the condensation space from the cooling space.

Abstract: An electrostatic atomizer equipped with an electrostatic atomization pole having superior migration-proof. The atomizer comprises the electrostatic atomization pole, a liquid supply mechanism that supplies the pole with liquid, and a power supply that supplies the pole with high voltage to electrostatically atomize the liquid held on the pole. A coating is formed on the surface of the pole, and the coating is formed of simple metal or alloy, which displays resistance to migration.

Abstract: There is provided an electrostatic atomizer that electrostatically atomizes a liquid supplied to a discharge electrode by electric discharge caused by an electric field formed in response to voltage application to the discharge electrode. The electrostatic atomizer has a high-voltage generation circuit that generates a pulse voltage to be applied to the discharge electrode, and the high-voltage generation circuit includes a high-voltage control circuit that converts an input AC signal to a pulse signal, and an igniter that steps up the pulse signal obtained by the high-voltage control circuit to a voltage value of the pulse voltage to be applied to the discharge electrode.

Abstract: A fluid spraying nozzle may include a flexible spray tube, and a guide which is disposed so as to surround the outside of said spray tube in the diametral direction. The ring-shaped tube side magnet may be provided on the spray tube. A ring-shaped guide side magnet may be provided on the guide. A polarity of an outer peripheral side of the tube side magnet and a polarity of an inner peripheral side of the guide side magnet may have the same polarity.

Abstract: A liquid stored in the liquid storing means within a housing is supplied to a carrier. A high voltage applied to a discharge end of the carrier and an opposed electrode to emit tiny ionized liquid particles. At leas part of the liquid storing means is detachable to the housing for easy replenishment of the liquid.

Abstract: An ink-jet head includes a nozzle row which jets a black ink, and nozzle rows which jet color inks, and a nozzle row which jets a special color ink. These nozzle rows are arranged in a scanning direction, and further, the nozzle row jetting the special color ink is positioned at an extreme end with respect to the scanning direction. Accordingly, it is possible to realize a small size printer which is capable of jetting the special color ink. Furthermore, it is possible to suppress the special color ink from getting mixed into a nozzle which jets an ink of other type.

Abstract: A carrier is used to carry a liquid, and a high voltage is applied between a discharge end of the carrier and an opposed electrode to emit ionized liquid particles. The carrier has a liquid collecting end opposite to the discharge end to feed the steam of the liquid from a steam generator, condensing the liquid therearound, and feeding the condensed liquid to the discharge end. Accordingly, even when the liquid contains cations such as those of Ca and Mg, the steam of the liquid can extremely reduce the content of these impurities, avoiding the precipitation of the impurities at the discharge end of the carrier to assure stable electrostatic atomization.

Abstract: A lubricant dispensing system is provided. The dispensing system includes a lubricant supply, a lubricant dispensing nozzle and a control panel. The dispensing nozzle includes a nozzle body with a fluid passageway therein which is in fluid communication with the lubricant supply, an electrode assembly for electrostatically charging lubricant in the fluid passageway and at least one discharge orifice through which electrostatically charged lubricant can be discharged. The discharge orifice is defined by at least one spray needle having a first end in fluid communication with the fluid passageway and a second end that extends outward of the nozzle body. The control panel directs the flow of lubricant from the lubricant supply to the lubricant dispensing nozzle and controls the electric power supplied to the electrode assembly.

Abstract: An atomizer including an air motor and a rotary atomizing head, mounted in a front side of a housing member, while a high voltage generator applying a high voltage to paint through the air motor is mounted in a rear side of the housing member. A cover member is fitted on the housing member to cover an outer surface of the housing member. Opposite axial ends of the cover member are fitted on and attached to opposite axial ends of the housing member so as to leave an annular gap space between the cover member and the housing member. The annular gap space keeps almost entire radially confront areas of the cover member and the housing member, preventing high voltage electrostatic charges on the outer surfaces of the cover member from leaking through the housing member.

Abstract: A spray apparatus for coating material, in particular for coating powders, contains a spray outlet spraying the coating material, a shaping air outlet in the form of a plurality of holes shaping the spray jet and an ambient-air passage radially configured between the spray outlet and the holes to aspirate ambient air by means of the flow suction effect of the spray jet and/or of the shaping air flow.

Abstract: A rotary atomizer spray coating device, in certain embodiments, has a bell cup with a generally parabolic flow surface. This generally parabolic flow surface provides additional surface area for dehydration of coating fluids, thereby improving color matching as compared to traditional bell cups, for example, by affording capability for higher wet solids content. In addition, the coating fluid accelerates along the generally parabolic flow surface, resulting in the fluid leaving the bell cup at a greater velocity than in traditional bell cups. Furthermore, a splash plate disposed adjacent the bell cup, in certain embodiments, is designed such that fluid accelerates through an annular area between the splash plate and the generally parabolic flow surface.

Abstract: The present invention provides an electrostatically atomizing device capable of instantly giving an electrostatically atomizing effect without requiring a water tank. The electrostatically atomizing device includes an emitter electrode, an opposed electrode opposed to the emitter electrode, a water feeder configured to give water on the emitter electrode, and a high voltage source configured to apply a high voltage across said emitter electrode and said opposed electrode to electrostatically charge the water on the emitter electrode for spraying charged minute water particles from a discharge end of the emitter electrode. The water feeder is configured to condense the water on the emitter electrode from within the surrounding air, enabling to supply the water on the emitter electrode in a short time without relying upon an additional water tank. Thus, an atomization of the charged minute water particles can be obtained immediately upon use of the device.

Abstract: Methods and apparatus for electrostatically aided atomization and dispensing of coating material. The apparatus includes a power supply for supplying operating potential and a coating dispensing device remote from the power supply. The coating dispensing device includes an input/output (I/O) device. The I/O device includes at least one indicator for selectively indicating a commanded state of the power supply and a fault state of at least one of the power supply and the coating dispensing device. A pair of conductors couple the I/O device to the power supply. Commands are coupled from the I/O device to the power supply. Commanded state information and fault state information are coupled from the power supply to the I/O device.

Abstract: An electrostatically aided coating atomizing and dispensing apparatus includes an atomizer, a voltage block, a source of electrically non-insulative coating material to be dispensed from the atomizer, an indirect charging apparatus, and at least one source of high magnitude electrical potential. The source of electrically non-insulative coating material is coupled to an input port of the voltage block. An output port of the voltage block is coupled to the atomizer. The indirect charging apparatus is operatively mounted with respect to the atomizer. The at least one source of high magnitude electrical potential is coupled to an input port of the atomizer and to an input port of the indirect charging apparatus.

Abstract: A mixing arrangement, comprises an electrostatic atomiser which feeds a first fluid into a walled-channel where it mixes with a second fluid; the electrostatic atomiser incorporating a charging electrode (3) and a nozzle (2) with an array of orifices through which charged particles of the first fluid exit the atomiser; wherein said charging electrode (3) substantially spans said array of orifices; and said charging electrode (3) and said nozzle (2) are pointed neither into nor towards said channel but are shaped and sized to constitute a part of or the entire wall of said channel in which said first and second fluids are mixed.

Abstract: A sachet (1) having walls of flexible material is disclosed. The walls are joined so as to form an impermeable seal, thereby defining a cavity within the sachet (1). A conduit (2) passing through the seal and having inner and outer ends is disposed with the inner end within the cavity and the outer end outside the sachet (1) such that the cavity is in fluid communication, via the conduit, with the outside of the sachet. The cavity contains a volume of liquid (8) in use, and the conduit (2) is adapted to prevent the liquid (8) flowing from the cavity without the application of an additional stimulus, irrespective of the orientation of the sachet (1).

Abstract: An insulated hose for a high voltage paint application apparatus comprising an inner hose containing a fluid or paint charged at a high voltage. The inner hose is arranged inside at least one second insulating layer. A system for applying paint or other fluid materials at a high voltage is also described.

Abstract: This heating blower has a housing 1, a fan 2, a heater 3, and an electrostatic atomizing device 5. The electrostatic atomizing device 5 is provided in the housing 1 and discharges nanometer-size ion mist to the outside. The electrostatic atomizing device 5 comprises a discharging electrode 50, an opposed electrode 52 disposed opposite the discharging electrode 50, a cooling part 53 which cools the discharging electrode 50 to generate moisture from ambient air near the discharging electrode, and a high voltage applying part 55 which applies a high voltage between said discharging electrode and the opposed electrode to atomize water generated near the discharging electrode. Therefore, this heating blower can discharge nanometer-size ion mist to the outside without replenishment of water.

Abstract: A powder spraycoating gun and its gun housing. The spraygun housing is a plastic, integral body constituting a stock fitted with a powder discharge tube and a grip fitted with a powder intake tube.

Abstract: A microfluidic device including a microfluidic chip assembled to an electrospray structure. The microfluidic chip includes at least one microfluidic channel leading through an outlet aperture to a surface area of the microfluidic chip. The electrospray structure includes at least one thin, planar point provided with a capillary slot that terminates at the end of the point so as to form an aperture for ejection of a liquid to be sprayed. The electrospray structure is arranged on the surface area of the microfluidic chip so that the point is cantilivered with respect to the microfluidic chip and so that the outlet aperture of the microfluidic device leads to the capillary slot of the point, which microfluidic device also has a mechanism to apply an electrospray voltage to the liquid to be sprayed.

Abstract: A system for controlling an electrostatically induced liquid spray includes an electrostatic spray device for generating a liquid spray from a liquid sample; a spray current sensing means placed in relation to the spray device and configured to generate a current output signal that represents a current of the liquid spray; and a mechanism that receives the current output signal and compares it to a pre-selected current value, with a difference between the two representing a control signal that is sent to one of (1) a pump that regulates the flow rate of the liquid sample and (2) a power supply to regulate an electric field associated with the spray device that generates the liquid spray according to a set level of current.

Abstract: Apparatus and systems, as well as methods and articles, may operate to charge a quantity of flux using a first charge to provide a charged flux portion, dispense the charged flux portion toward a circuit, and direct distribution of the charged flux portion using a second charge to attract or repel the charged flux portion. Other embodiments are described and claimed.

Abstract: A dispenser for dispensing a liquid includes a chamber holding a supply of liquid, an annular conduit substantially filled with liquid from the chamber, and a thermoelectric transducer near one end of the annular conduit. Upon application of electrical current to the thermoelectric transducer, the transducer operates to cause boiling of a quantity of liquid in the annular conduit. Expansion of a resulting bubble forces liquid out the end of the annular conduit. The dispenser may include battery powered electronic control circuit that includes a supercapacitor. The liquid may be dispensed in periodic bursts. In one application, the dispenser is especially suited to automatically and unobtrusively dispense a fragrance, perfume, or other personal care liquid worn by a person. In some applications, the dispenser may be worn on or under an article of clothing, or attached to an article of jewelry.

Abstract: A liquid material arrangement method is performed to arrange a liquid material on a discharge object with the liquid material being discharged from a nozzle of a head according to an electrical signal supplied to a drive unit. The liquid material arrangement method includes measuring a discharge quantity of the liquid material discharged from the nozzle according to the electrical signal corresponding to a prescribed condition, detecting a first temperature in a vicinity of the head while the discharge quantity is measured, detecting a second temperature in the vicinity of the head in a condition in which the liquid material is discharged onto the discharge object, and generating the electrical signal corresponding to a condition determined based on the discharge quantity, the first temperature and the second temperature, and supplying the generated electrical signal to the head to arrange the liquid material on the discharge object.

Abstract: A rotary atomizer (1) has a rotary atomizing head (4) driven by an air motor (2) at a rotational speed of 4,000˜5,000 rpm, for example. A coating material is supplied to a central portion of the rotary atomizing head (4) through a paint supply pipe (5). The atomizer (1) further includes a supersonic horn (6) having a vibration plane (6a) located adjacent to the outer circumferential perimeter of the rotary atomizing head (4). The vibration plane (6a) is an inclined plane gradually increasing its diameter forward. The coating material immediately after spattered from the outer circumferential perimeter of the rotary atomizing head (4) is exposed to supersonic vibration from the vibration plane (6a), and it is atomized by the supersonic vibration to particles of a uniform grain size. At the same time, the atomized coating material is driven forward.

Abstract: There provides a method of producing a probe card where a manufacturing process is simplified so that energy can be saved and resources can be saved. In addition, there provides a probe card which can flexibly deal with reduction in the pitch of terminals, variation in the arrangement of terminals, frequent change in these, and the like, and a producing method of the same. Further, there provides a method of producing a probe card where a sintering process is not required for each ejection of a droplet and fine bumps that become probes can be formed in a short time. Furthermore, there provides a probe card which has cushioning effects against pressure when the probe card makes contact with a semiconductor chip, so that uniform contact is made possible, and a producing method of the same. A liquid material containing metal ultra-fine particles is ejected onto a substrate in accordance with a fine inkjet process, and fine bumps are formed on the substrate.

Abstract: The inventive device for electrostatically projecting a coating product comprises a spray gun provided with voltage increasing means for producing a high direct voltage for a product electrostatic charge, wherein said spray gun is provided with a controllable valve for controlling an atomising air flow inside the spray gun in the direction to a spraying head. A pressure sensor integrated into the spray gun is used for detecting the atomising air pressure (P) representative value downstream of the valve and for delivering a signal (S1) for controlling the power supply of the voltage increasing means. Said invention makes it possible to control the power supply of the voltage increasing means according, in particular, to the signal (S1) received from the sensor.

Abstract: A cartridge for a handheld electrohydrodynamic (EHD) spraying device and a spraying device incorporating the cartridge. The cartridge is disposable, and can contain therapeutic products. The device includes a wetted lead screw with a compliant seal, where the placement of the seal relative to the screw inhibits leakage during both cartridge use and storage. A frame disposed within the cartridge acts as a load-transferring mechanism for the weight of the cartridge to a handle of the spraying device.

Abstract: An efficient electrostatic spray installation that can spray a wide range of conductive materials effectively while creating very small droplets with conductivities in from about 7000 pico Siemens and greater. A compact system in which one, two or more parallel sprays can be obtained at close proximity in the order of 30 to 40 mm of each other in a compact package.

Abstract: The invention relates to a method and devices for the production of capillary microjets and microparticles that can have a size of between hundreds of micrometers and several nanometers. The inventive method makes use of the combined effects of electrohydrodynamic forces, fluid-dynamic forces and a specific geometry in order to produce micro- and nano-capsules or fluid jets, single- or multi-component, which, upon disintegrating or splitting, form a significantly monodispersed spray of drops which have a controlled micro- or nanometric size and which can also comprise a specific internal structure, such as, for example, a nucleus which is surrounded by a cortex of a different substance or several concentric or non-concentric nuclei or vesicles which are surrounded by a cortex.

Abstract: An atomization device comprises a conduit containing liquid to be atomized, a spray electrode (1) and a discharge electrode (3). Each electrode is adjacent to a dielectric (5) and they are connected in an electrical circuit (10) to enable a potential difference to be applied between them to atomize the liquid and to generate charge carriers of a first polarity in the proximity of the spray electrode (1) and ions of a second polarity in the proximity of the discharge electrode (3). Some of the first polarity charge carriers deposit on the dielectric adjacent to the spray electrode (1) and some of the second polarity ions deposit on the dielectric (5) adjacent to the discharge electrode (3) so that the atomized liquid is repelled from the dielectric (5) adjacent to the spray electrode (1) and electrically discharged by second polarity ions that are repelled by the dielectric (5) adjacent to the discharge electrode (3).

Abstract: A liquid jetting apparatus (50) to jet a droplet of a charged liquid solution onto a base material, having: a nozzle (51) in which an edge portion thereof is arranged to face the base material K having a receiving surface to receive the jetted droplet, and an inside diameter of the edge portion from which the droplet is jetted is not more than 30 [?m]; and a liquid solution supplying section (35) to supply the liquid solution into the nozzle (51), wherein a jetting electrode (58) of the jetting voltage applying section (35) is provided on a back end portion side of the nozzle, and an inside passage length of the nozzle is set to at least not less than ten times of the inside diameter.

Abstract: Fluids are atomized using a miniaturized electrostatic microinjector. The microinjectors are capable of producing uniform droplets in several spray modes, and metering and dispersing very small volume fluids. The atomizer is useful in carburetion systems for internal combustion engines, to prepare samples for analytical methods such as MALDI, for fluid filtration and separation, and in other applications.

Abstract: Disclosed is an apparatus for electrifying spacers and an apparatus for scattering spacers using the same. For the purpose of maintaining a cell gap of a LCD, the spacer is electrified to have a first electrified voltage by a first electrifying pipe having a first curvature, and the spacer is electrified by a second electrifying pipe having a second curvature to have a second electrified voltage level high enough to prevent the spacers from being lumped. Thus, the spacer is not lumped by increasing an electrified voltage thereof, thereby preventing a quality of an image from being deteriorated, the spacer from being lost.

Abstract: An intermediate storage vessel has a cylinder container, a piston provided in the cylinder container so as to be slidable in a reciprocating manner, and an inpour hole portion is provided above the discharge hole portion. An insulation cover is provided so as to cover the intermediate storage vessel and an insulation mechanism, and the cover is removable from the insulation mechanism side.

Abstract: In one embodiment, a vortex tube has a gas inlet port, a cold gas outlet port and a hot gas outlet port. A thermoelectric potential generator having hot gas inlet port coupled to the hot gas outlet port of the vortex tube, a cold gas inlet port coupled to the cold gas outlet port of the vortex tube, and a thermoelectric element coupled in heat conducting relationship between the cold gas inlet port and the hot gas inlet port to promote the flow of heat/cold through the thermoelectric element from the hot gas flowing into the hot gas inlet port to the cold gas flowing through the cold gas inlet port. In another, a compressed gas source, a thermoelectric element having first and second sides, and an expansion nozzle are coupled in series. The expansion nozzle is coupled between the compressed gas source and the first side. The thermoelectric element includes an electrical output port.

Abstract: Embodiments of the invention provide a robust bonding material suitable for joining semiconductor processing chamber components. Other embodiments provide semiconductor processing chamber components joined using a bonding material having metal filler disposed in an adhesive layer. Other embodiments include methods for manufacturing a semiconductor processing chamber component having a bonding material that includes metal filled disposed in an adhesive layer. The metal filler is suitable for reacting with halogen containing plasmas such that a halogen based metal layer is formed on the exposed portion of the bonding material upon exposure to the plasma.

Abstract: Powder overspray that is extracted from a spray booth is recovered back to a powder supply that is used to supply powder to the spray guns inside the spray booth. The powder overspray extracted from the booth is separated from the high flow air stream by a separator such as a cyclone separator. The powder falls into a transfer pan and a vacuum is used to convey the powder from the transfer pan to a vacuum receiver. The powder is then discharged to the feed hopper in the feed center. The use of a vacuum to convey powder from the cyclone to the feed center in effect permits substantially all of the powder overspray to be recovered from the spray booth directly to the feed hopper with minimal dwell or residence time within the cyclone or vacuum receiver subsystems during a spraying operation. The receiver can be rotated for easy cleaning, and the vacuum line cleaned by one or more cleaning elements drawn through the vacuum line.

Abstract: A liquid jetting apparatus (20) to jet a droplet of a charged liquid solution onto a base material, having: a nozzle (21) in which an edge portion thereof is arranged to face the base material K having a receiving surface to receive the jetted droplet, and an inside diameter of the edge portion from which the droplet is jetted is not more than 30 [?m]; a liquid solution supplying section (29) to supply the liquid solution into the nozzle (21); a jetting voltage applying section (25) to apply a jetting voltage to the liquid solution in the nozzle (21); and a convex meniscus forming section (40) to form a state where the liquid solution in the nozzle (21) protrudes from the nozzle edge portion.