Abstract:
An electrostatically atomizing device in this invention comprises thermoelectric elements being different in type from each other and an emitter electrode being configured to cause the electrostatically atomization. The emitter electrode is provided with a mounting member for mounting the thermoelectric elements different in type from each other. The mounting member is provided with the electrical conductive path between the thermoelectric elements. Consequently, it is possible to achieve the downsizing of the device and the saving energy of the device while keeping the cooling performance of creating the condensation water on the emitter electrode.
Abstract:
Cooling water is pressurized and supplied via a pipe to an electrified atomization head installed in an atomization cooling area A, the jetted particles of the cooling water from the electrified atomization head are electrified and atomized. An electrification voltage is applied from a voltage application unit to the electrified atomization head, and the external electric field generated by applying a voltage between a water-side electrode unit and an induction electrode unit is applied to the cooling water in a jetting process so as to electrify the atomization water and facilitate adsorption to people.
Abstract:
A method of ionizing a liquid is disclosed herein. The method includes the steps of dispensing an electrically conductive liquid onto an electrically conductive membrane so as to form a liquid film on the surface of the membrane, applying an electrical charge to the liquid film on the membrane, generating ultrasonic waves to vibrate the membrane so as to induce capillary waves in the liquid film, and electrostatically attracting the electrically charged crests in the capillary waves so that electrically charged droplets are extracted from the capillary waves and accelerated therefrom for emission. The method is generally utile in various applications including, for example, spacecraft propulsion, paint spray techniques, semiconductor fabrication, biomedical processes, and the like. In addition to the above-described method, an electrostatic colloid thruster for implementing the method is disclosed herein as well.
Abstract:
An electrostatic spraying device comprises a capillary spray electrode having a spraying end, a reference electrode, and a reservoir in fluid communication with the spray electrode. In use, the electrodes are connected across a generator in order to establish an electric field between the electrodes and cause fluid in the reservoir to be sprayed from the spray electrode. The spray electrode has a focus that defines a point at which the electric field is focused on the spraying end.
Abstract:
A droplet forming method, for forming a droplet 27, constituted of a sample liquid 21, on a substrate 5 by applying a pulse voltage P between the sample liquid 21, retained in a nozzle 3, and the substrate 5, disposed opposite a tip of the nozzle 3, to discharge the sample liquid 21 from the tip of the nozzle 3, includes: a waveform measuring step S1 of measuring a temporal waveform of a current I that flows between the sample liquid 21 in the nozzle 3 and the substrate 5; and an application condition determining step S2 of determining, based on the temporal waveform of the current I, an application condition of the pulse voltage P during the forming of the droplet 27 on the substrate 5.
Abstract:
An electrostatically atomizing device includes an emitter electrode, an opposed electrode disposed in an opposed relation to the emitter electrode, liquid supply means for supplying a liquid to the emitter electrode, and high voltage generating means for applying a high voltage across the emitter electrode and the opposed electrode. The liquid supplied onto the emitter electrode is electrostatically charged through application of the high voltage, as a result of which charged minute liquid particles are discharged from a discharge end of the emitter electrode. The device includes detecting means for detecting a discharge condition developed between the emitter electrode and the opposed electrode, and a controller for controlling the high voltage generating means to regulate its voltage output so as to maintain a predetermined discharge condition, based on detection results by the detecting means. Charged minute particles can be continuously generated in an amount corresponding to the predetermined discharge condition, by adjusting the discharge voltage that is applied to the emitter electrode.
Abstract:
To provide a (homogeneous) particle deposit without any impurity contamination, on which only particles with a desired size are deposited. A solution, with particles dispersed in a solvent, is jetted as a flow of fine liquid droplets from a tip part of a capillary, and the jetted fine liquid droplets are electrically charged. This flow of the droplets is introduced into a vacuum chamber through a jet nozzle, as a free jet flow. The free jet flow that travels in the vacuum chamber is introduced into an inside of a deposition chamber, inside of which is set at lower pressure, through a skimmer nozzle provided in the deposition chamber, as an ion beam. Subsequently, by an energy separation device, only particles having particular energy are selected from the electrically charged particles in the flow, and are deposited on a deposited body disposed in an inside of the deposition chamber.
Abstract:
A method and apparatus for electrostatic spray deposition (ESD) for fabricating a thin-layer yttria-stabilized zirconia (YSZ) electrolyte on a solid oxide fuel cell (SOFC) anode substrate constructed of nickel-YSZ cermet. By reducing the thickness of the electrolyte, and thereby reducing the cell internal IR drop, an intermediate temperature SOFC (ITSOFC) can operate at 600-800° C. A collar positioned at a distance from a discharge end of a spray nozzle enhances a spray pattern of a precursor including the electrolyte material and thus provides a very thin electrolyte layer.
Abstract:
A droplet forming method, for forming a droplet 27, constituted of a sample liquid 21, on a substrate 5 by applying a pulse voltage P between the sample liquid 21, retained in a nozzle 3, and the substrate 5, disposed opposite a tip of the nozzle 3, to discharge the sample liquid 21 from the tip of the nozzle 3, includes: a waveform measuring step S1 of measuring a temporal waveform of a current I that flows between the sample liquid 21 in the nozzle 3 and the substrate 5; and an application condition determining step S2 of determining, based on the temporal waveform of the current I, an application condition of the pulse voltage P during the forming of the droplet 27 on the substrate 5.
Abstract:
Methods and systems for coating at least a portion of a medical device (e.g., a stent structure) include providing a plurality of coating particles (e.g., monodisperse coating particles) in a defined volume. For example, the particles may be provided using one or more nozzle structures, wherein each nozzle structure includes at least one opening terminating at a dispensing end. The plurality of coating particles may be provided in the defined volume by dispensing a plurality of microdroplets having an electrical charge associated therewith from the dispensing ends of the one or more nozzle structures through use of a nonuniform electrical field between the dispensing ends and the medical device. Electrical charge is concentrated on the particle as the microdroplet evaporates. With a plurality of coating particles provided in the defined volume, such particles can be moved towards at least one surface of the medical device to form a coating thereon (e.g., using an electric field and/or a thermophoretic effect).