СПОСОБ МОКРОЙ ОЧИСТКИ ГАЗОВ

Изобретение относится к способам очистки газов и может быть использовано во всех отраслях промышленности и сельского хозяйства для очистки газов от пыли, СОх, NOx, и SOx. Способ предусматривает промывание газов тонкодиспергированным, ионизированным водяным туманом, содержащим гидроксильные радикалы, с последующей его сепарацией на стенке рабочей камеры в пленке воды. Ионизированный водяной туман получают путем разбивания струи воды лопатками рабочего колеса, имеющими окружную скорость более 90 м/сек. Воду подщелачивают. Изобретение позволяет снизить энергозатраты на очистку газов примерно до 15 кВт на 10000 м3 газа. 1 з.п. ф-лы, 2 ил.

КОЛОКОЛООБРАЗНАЯ НАСАДКА ДЛЯ УСТРОЙСТВА ЭЛЕКТРОСТАТИЧЕСКОГО НАНЕСЕНИЯ ПОКРЫТИЯ МЕТОДОМ ЦЕНТРОБЕЖНОГО РАСПЫЛЕНИЯ

Изобретение относится к колоколообразной насадке для устройства электростатического нанесения покрытия методом центробежного распыления. Колоколообразная насадка установлена на оси вращения устройства электростатического распыления. На поверхность растекания материала покрытия на внутренней поверхности колоколообразной насадки подается материал покрытия. Первый диапазон простирается от концевой части поверхности растекания материала покрытия до центральной части поверхности растекания материала покрытия. Первый диапазон является выпуклой искривленной поверхностью, обращенной к оси вращения. Концевая часть расположена ближе к ближнему концу колоколообразной насадки. Касательная к поверхности растекания материала покрытия в концевой части параллельна оси вращения. Второй диапазон, простирающийся от центральной части до края дальнего конца колоколообразной насадки, образован вогнутой искривленной поверхностью, обращенной к оси вращения. На выпуклой искривленной поверхности первого диапазона ...

КОДИРОВАНИЕ ОКРАСОЧНОГО ШПИНДЕЛЯ

Устройство для покрытия поверхности частицами, содержащее вал (4) шпинделя, приводимый в действие электродвигателем и снабженный средством (8), которое подает частицы при вращении вала шпинделя, отличающееся тем, что средство (34) управления электродвигателем, интегрированное в устройство (2), содержит код идентификации, который может считываться блоком питания электродвигателя.

ЭЛЕКТРОСТАТИЧЕСКИЙ РАСПЫЛИТЕЛЬ ПОКРЫВАЮЩЕГО МАТЕРИАЛА И УСТАНОВКА ДЛЯ РАСПЫЛЕНИЯ, СОДЕРЖАЩАЯ ТАКОЙ РАСПЫЛИТЕЛЬ

АЭРОЗОЛЬНЫЙ ГЕНЕРАТОР

Предложен аэрозольный генератор, предназначенный для распыления электропроводных жидкостей с одновременной электрической зарядкой образующихся частиц. Область применения: медицина, сельское хозяйство, промышленность.

ОСЕВОЙ ПОДШИПНИК

Устройство окрасочных шпинделей для покрытия поверхности частицами краски, содержащее вал (4) шпинделя, который приводится в действие электродвигателем и установлен в аэростатических подшипниках, и прикрепленное к этому валу средство (8), подающее частицы, которое имеет разность электрического потенциала относительно окрашиваемого объекта, отличающееся тем, что вал (4) шпинделя установлен, по меньшей мере, в один радиальный подшипник (6), а также в два осевых подшипника (7), расположенных на соответствующих сторонах ротора (13) электродвигателя, причем указанный ротор составляет осевую опору для указанных осевых подшипников (7).

СРЕДСТВО УПРАВЛЕНИЯ ЭЛЕКТРОДВИГАТЕЛЕМ

... 1. Устройство для покрытия поверхности частицами, содержащее вал (4) шпинделя, приводимый в действие электродвигателем и снабженный средством (8), которое подает частицы при вращении вала (4) шпинделя, отличающееся тем, что средство (34) управления электродвигателем, интегрированное в окрасочный шпиндель (2), содержит блок, который определяет частоту, наложенную в блоке питания, которая составляет кратное необходимой частоты, подаваемой на электродвигатель для получения необходимой скорости. 2. Устройство по п. 1, отличающееся тем, что электронное средство (34) управления электродвигателем размещено в физическом контакте с окрасочным шпинделем (2). 3. Устройство по п. 1, отличающееся тем, что электронное средство (34) управления электродвигателем размещено на манипуляторе робота, несущем окрасочный шпиндель (2). 4. Устройство по п. 1, отличающееся тем, что электронное средство (34) управления электродвигателем размещено в корпусе (3) окрасочного шпинделя.

УСТРОЙСТВО ДЛЯ НАНЕСЕНИЯ В ЭЛЕКТРОСТАТИЧЕСКОМ ПОЛЕ ЖИДКИХ ИЛИ ПЫЛЕВИДНЫХ ЛАКОКРАСОЧНЫХ МАТЕРИАЛОВ

Аппарат для окраски изделий сложной конфигурации в электростатическом поле высокого напряжения

Распыляющая головка к устройству для окраски изделий в электростатическом поле

Устройство для распыления растворов

Распылитель

Изобретение относится к устройствам для электростатического распыления жидкостей и может быть использовано для нанесения лакокрасочных материалов на изделия различной конфигурации. Цель изобретения - повышение качества покрытия при окраске изделий сложной конфигурации. Для этого распылитель снабжен коронирующим электродом, установленным по оси пневмораспылительной головки, выполненной в виде концентрично расположенных патрубка подачи лакокрасочного материала и охватывающего его с зазором патрубка подачи воздуха, при этом электрозарядное устройство установлено в канале подачи лакокрасочного материала на распылительную чашу. 3 ил.

Устройство для нанесения покрытия в электростатическом поле

Использование: электростатическое распыление жидкостей, нанесение лакокрасочных материалов на изделия в конвейерных поточных линиях. Цель: расширение технологических возможностей устройства. Сущность изобретения: устройство снабжено дополнительной распылительной чашей, закрепленной на втором конце приводного вала, выполненном выступающим из корпуса , и дополнительным краскопроводом. Распылитель установлен на стойке с возможностью поворота в горизонтальной плоскости и фиксации его положения. При окрашивании изделий, движущихся в одном потоке, лакокрасочный материал подают только к одной чаше. Для прохода на окрашивание другим лакокрасочным материаломпроизводят разворот краскораспылителя в шарнирном соединении и к чаше подают другой лакокрасочный материал.3 ил.

Электромеханический чашечный распылитель

Аэрозольный генератор

Устройство для распыления растворов

... : УСТРОЙСТВО для РАСПЫЛЕНИЯ РАСТВОРОВ, содержащее корпус с приводным валом, несущим смонтированную на нем крыльчатку, установленный на валу с зазором-к нижне торцукрыльчатки заземленный распылительный диск, диск, соединенный с источником высокого напряжения, и патрубок подвода распыляемой жидкости, о тл и ч а юще е с я тем, что, с целью повышения электробезопасности в процессе работы и эффективности зарядки частиц, диск, соединенный с источником высокого напряжения, закреплен на нижнем торце крыльчатки .

Устройство для электростатического нанесения покрытий из электропроводных материалов

Изобретение относится к нанесению покрытий из электропроводящего материала на автомобильные кузова. Цель изобретения - снижение самозагрязнения распыляемым материалом. Для .этого части наружного корпуса и/или узла крепления электродов, расположенные в зоне загрязнения распыляемым материалом покрытия, выполнены из фторуглеродного синтетического материала. В качестве фторуглеродного синтетического материала выбран политетрафторэтилен. Наружный корпус по меньшей мере в зоне, опасной в отношении загрязнения распыляемым материалом покрытия , выполнен со сплошной гладкой на ружной поверхностью. Наружный корне выполнен с электрической пробивной прс - ностьювзоне, опасной в отношении загрязнения распыляемым материалом покрытия, по меньшей мере 5 кВ. Узел крепленияэлек тродов выполнен с кольцеобразным элементом , охватывающим радиальные опоры, п пальцеобразные выступы закреплены на кольцеь ом элементе, выполненном из поли- ацеталя. Устройство снабжено расположен- ным около распылительной головки ...

METHOD AND APPARATUS FOR ELECTROSTATICALLY COATING OBJECTS WITH FLUIDS

The electrostatic spray, for quick-drying paint, has a bell rotating at high speed around a fixed axis and a paint guide to supply the paint to the inside of the bell. The bell is at a high voltage. A needle electrode (6) is located in the cavity of the bell directed towards the object being coated. The needle is connected non-rotationally and electrically to the bell (1) and may be surrounded by an aerodynamic body whose outer surface may be parabolic, hyperbolic or spherical, concave or convex. The needle is located at the apex of the body and points towards the object. The advantage lies in preventing blockage.

Bell-shaped plate for rotating atomizer used in coating workpieces, has detergent channels formed separate from central coating channel to prevent detergent from mixing with coating material during coating process

The bell-shaped plate (2) has a central coating channel (5) for supplying coating material towards a workpiece, and detergent channels (12,13) for supplying detergent used in the cleaning process. The detergent channels are formed separate from the central coating channel to prevent the detergent from mixing with the coating material during coating process. An independent claim is also included for the rotating atomizer with the bell-shaped plate.

Vorrichtung zum elektrostatischen Spritzlackieren

Elektrostatisches Beschichtungssystem und Sprühglocke mit zwei Kanten

Paint spray gun for fluids or powders - incorporates fire extinguishing unit with extinguisher valve adjacent paint spray nozzle

The appliance for spraying or powder paints, incorporates an extinguishing unit, which directly after detecting a fire, is able to extinguish it at the nozzle of the atomized spray jet. The valve for the extinguishing material is located directly on the gun or its retainer, at a small distance from the nozzle. The material is fed directly into the atomizer air channel or the material channel, for simultaneous atomization with the paint. The valve may have several outlets for a number of extinguishing nozzles.

Rotierender Zerstaeuber fuer elektrostatische Lackiervorrichtungen

Rotierende Spruehvorrichtung fuer elektrostatische Pulverbeschichtungsanlagen

Improvements in and relating to apparatus for electrostatically spray coating

... 960,102. Electrostatic paint spraying. RANSBURG ELECTRO-COATING CORPORATION. June 20, 1960 [June 18, 1959], No. 21535/60. Headings B2B and B2F. An electrostatic device for coating an article with liquid material comprises an atomizing device with an exposed charging electrode at its forward end connected to an electric circuit which impresses on it a high voltage, but which is so responsive to changes in the length of the air gap between the electrode and the nearest earthed object as to appreciably reduce the potential difference therebetween as the air gap decreases. Liquid is fed to the device for atomization therefrom and charging by the electrode, which is surrounded by a shield of insulating material projecting forwardly thereof greater than the sparking distance from the electrode to the nearest earthed object, but substantially less than would be necessary if the electrical circuit were substantially unresponsive to changes of air gap. As shown, a hand-held gun comprises an insulating ...

ROTARY ATOMIZER BELL

ELECTROSTATIC SPRAYERS

ELECTROSTATIC COATING METHOD AND APPARATUS

... 1,210,258. Spray producers. RANSBURG ELECTRO-COATING CORP. 23 Oct., 1967 [21 Oct., 1966], No. 30253/70. Divided out of 1,210,257. Heading B2F. Apparatus for electrostatically spray coating an article 10 comprises a plurality of closely spaced spraying electrodes 12 each producing an annular spray pattern, means to rotate said spraying electrodes about their respective principal axes, means 21 to supply coating material to said spraying electrodes, means 16 to charge said spraying electrodes to high voltage with respect to the article to be coated, said spraying electrodes each including an electrode within the annular pattern maintained at a potential between those of the spraying electrode and the article, and a plastic member between said electrode and the spraying electrode having a forward edge extending forwardly of said electrode adjacent the spraying electrode. The electrodes may be oscillated in a path transverse to their principal axes by oscillator 18.

Pipe coating apparatus

Pipe coating apparatus comprising a carriage 1 movable within a pipe to be coated by means of a pneumatic drive motor 33 and comprising a rotary atomizer provided with an internally tapered atomizer member 63. ...

Coating process

A process for coating a substrate such as a photoreceptor is performed by delivering at least two fluid streams to a bell of a rotary atomizer, combining the fluid streams substantially at the bell of the rotary atomizer such that the bell atomizes and mixes the fluid streams into a substantially homogenous atomized mixture, and depositing the mixture onto the substrate in the form of a layer on the substrate. Also disclosed is a photoreceptor comprising a coating layer which comprises a homogeneous mixture of a first photoconductive substance and a second substance which may be a blocking substance, an adhesive a charge transport substance or a second conductive substance.

SPRAY GUNS

... 1311464 Spray guns; mixing apparatus CONTROSION ELECTROSTATIC Ltd 3 March 1970 [3 Dec 1968] 57425/68 Headings B1C and B2F A spray gun for the spraying of paints or other fluids or powder e.g. for electrostatic spraying, comprises a rotatable disk F and two or more inlet passages C C' leading to nozzles D whereby fluids or powder can be fed separately to the disk and mixed by the rotation thereof. Disk F partially encloses a mixing chamber formed by wall 6 and base H so that in operation a mixture is formed in compartment G' and this mixture escapes through annular passage L around the edge of the disk for delivery through the orifice of the gun. Disk F is driven by motor J. The mixing chamber may be fixedly mounted or mounted for rotation, either by motor J or by induction through the whirling of the fluids. The inlet passages are valve-controlled so that the gun may be adjusted to deliver any mixture of the fluids fed to the inlets or a selected single one of such fluids.

Spray gun

... 1,107,060. Spray-producers. INDUCAL BERLIN VEB. 24 Aug., 1965, No. 36402/65. Heading B2F. A device of pistol construction suitable for spraying paint electrostatically or pneumatically comprises a cup-shaped atomizer 1 adapted to be rotated by a drive shaft 5, an impeller 6 arranged to be driven by compressed air supplied through a conduit 15 so as to rotate said shaft, and means for supplying compressed air and paint to a nozzle 7 at the end of the shaft 5 through conduits 14 and 13 respectively. During electrostatic spraying the spray head is either maintained at a high potential or a metal electrode is located in the paint feed conduit 13. Compressed air is supplied through the conduit 15 only and paint fed through the conduit 13 is diverted at right angles and flows downwardly into the rotating cup 1. The paint passes through slits 1f in a disc 1c and is atomized at an edge 1g. The device is converted to pneumatic spraying by rotating avalve 17 and the high potential may be switched ...

Methods and apparatus for electrostatic coating

... Apparatus for spraying an electrostatically-charged fine mist of coating material on to an object comprises atomizing means including an atomizing zone from which a spray of the coating material emanates, surface means for contacting a film or layer of the liquid coating material, emanating from the atomizing zone, means for imparting electrical or mechanical vibration to the liquid coating material contacting such surface to pre-condition the same, and means for establishing an electrostatic field between the atomizing means and the object for charging the atomized liquid coating material and deposit it on the object. As shown in Figs. 1 and 1A, coating material is supplied from a conduit 46 to a conduit 40, and emerges through slits 128 into the bore 118 of a hollow spindle 100. The spindle 100 is rotated by means of a hollow shaft 70, of insulating material, driven, through belt 26 and pulleys 24 and ...

Improvements in or relating to apparatus for electrostatic spray coating

... 1,005,621. Spray-producers for coating recessed articles. K. M. OESTERLE. July 16, 1963 [July 17, 1962], No. 28171/63. Heading B2F. Spraying apparatus 22, Fig. 10, particularly suitable for coating articles 23 having a large recess with a liqud material such as lacquer, comprises a spraying jet, means for generating an electrostatic field between the apparatus and the article to be coated, and at least one rotatable spray member provided with a receiving surface which defines at its centre an opening on the longitudinal axis of the apparatus and which receives the lacquer from the jet and is formed with a spray edge, means being provided for varying the ratio between the amount of lacquer impinging on the surface and sprayed from the said edge and the amount passing through the opening. In the embodiment of Fig. 1, lacquer is sprayed from a nozzle 2 and part of it passes through a central aperture 4 around a guide cone 5 in a disc 3. The disc 3 is provided wtih openings 7 and together with ...

LIQUID SPRAY APPARATUS

Improvements in or relating to methods and apparatus for applying powder coatings to articles

... 1,125,796. Spray-producers. AEROCOAT S.A. 25 May, 1967 [26 May, 1966], No. 23514/66. Heading B2F. An electrostatic spray producer suitable for coating an article with a powder comprises a hollow member 28 adapted to be rotated by a variable speed motor (33), fig. 2 (not shown), and means (6-10) associated with a cable (36) and arranged to supply a high voltage to the member 28 via the motor (33) whereby an electrostatic field is provided between the member and the article, said member 28 being provided with a plurality of apertures 73, (74), fig. 4 (not shown) through which the powder may be discharged generally axially, and with a plurality of apertures 71 through which the powder may be discharged in a direction substantially at right angles to the axis of rotation of the member. The aperture (74) is circular and the apertures 71, 73 are curved and elongated, substantially all the powder being discharged through the apertures 73, (74) when the member is rotated at a slow speed, and substantially ...

Metallic coating

PORTABLE APPARATUS FOR SPRAY COATING

Improvements in or relating to high voltage coating apparatus

Coating apparatus includes means for supplying two components of coating material separately through two individual nozzles to a rotating atomizing head and means for maintaining an electrostatic field between said rotating head and the article to be coated. The two nozzles may be co-axial, (Figs. 3 and 4, not shown) the inner one being of circular cross-section and the outer one being of annular cross-section, the cross sectional areas being adjustable by adjustment of the nozzles. The nozzles are preferably located behind a rotating disc (Fig. 2, not shown), located within a cup-shaped rotating atomising head. Alternatively the two nozzles may be arranged separate and parallel to one another with their outlets co-planer, (Fig. 6, not shown), and the atomizing head may include two co-axial cups, one coating component being supplied to the inner cup from the forward edge of which it is ejected in the direction of the forward edge of the outer cup, to which the other component is supplied ...

ELECTROSTATIC SPRAYING APPARATUS

... 1,242,342. Spray producers. TUNZINI-SAMES. 14 Feb., 1969 [14 Feb., 1968; 3 May, 1968], No. 8249/69. Heading B2F. [Also in Division H2] Electrostatic spraying apparatus incorporat ing a high voltage generator comprises a passage 12 with convergent-divergent portion 17capable of conferring a supersonic speed to a gaseous fluid flowing through said passage and electrode means 16 for transmitting electric charges to said gaseous fluid. Many suitable embodiments of the apparatus are described and illustrated, wherein the generator comprises an electrode 16 connected to a medium voltage source by cable 20, a counter electrode 17 earthed via the casing 22 and metal braid 23 covering the cable 20 and spray material supply pipe 6, and constituting a convergent-divergent nozzle whereby the gaseous fluid flow in passage 12 is at least partially supersonic. The charge may be collected by an electrode or wire, or by ball 24 and passed via spring 25 to metallic nozzle member 29, or directly to the material ...

Improvements in or relating to electrostatic atomisers

... 853,541. Spray - producers. METALLGESELLSCHAFT A.G. Feb. 3, 1959 [March 28, 1958], No. 3852/59. Class 69 (3). An electrostatic atomizer comprises a helical coil Sp held between opposed circular members F rotated by a shaft W and supplied with spray liquid by a pipe L. The coil is connected to a high-tension source, and its ends are received by a threaded connector G, Fig. 2, by means of which the spacing of adjacent coil turns may be varied. The coil may be other than circular, e.g. triangular, square or other polygonal shape, and the helix itself may have various crosssectional shapes. Alternatively, the coil may be linearly suspended and vertically reciprocated. Specification 605,338 is referred to.

ELECTROSTATIC PAINT SPRAY APPARATUS HAVING ROTARY SPRAY HEAD WITH AN AIR SEAL

Improvements in or relating to spray coating of articles and apparatus for use in connection therewith

... A method of electrostatically coating an article comprises establishing in a quiescent atmosphere a particle-depositing electrostatic field over at least a portion of the surface of the article, introducing a spray of finely-divided particles of liquid coating material into the field from a source spaced from the article and electrically charging the particles to move them along the lines of force of the field, for deposition, while still in the liquid state, on the article, and electrostatically modifying the arrangement of the lines of force of the field by a secondary electrostatic field, maintained adjacent the depositing field, for rearranging the pattern of deposition of the liquid particles on the article. The article may be moved relatively to the spray source. In the form shown in Fig. 1, a tube 12, preferably of electrically-conductive material, has a bevelled tip 14 and is ...

Improved electrostatic coating apparatus

... Electrostatic spray-coating apparatus comprises a rotary impeller having blades extending transversely to its axis of rotation, and, in operation, drawing electrostatically charged liquid coating material from a distributer and discharging it as a spray substantially parallel to its axis towards a workpiece. As shown, an earthed monorail conveyer 10 carries workpieces 16 through a paint booth 12, and an electrostatic atomizing apparatus mounted on an insulating stand, projects coating material towards the workpieces through an opening in the booth. The atomizing apparatus comprises an air motor 26 driven by a compressed air supply 28, and a feed device 32, supplied with coating material from a source 39 and distributing it through radially-arranged flattened tubes 37 to a rotary impeller 40 driven by the air motor. Instead of the tubes 37, a chamber having radial outlet slits may be used. Various forms of impeller blades are described.

Improvements in or relating to method and apparatus for electrostatic precipitation of coating materials

... 1,037,978. Spray-producers. K. M. OESTERLE. Sept. 19, 1963 [Sept. 20, 1962], No. 36953/63. Heading B2F. A method for the electrostatic precipitation of coating material upon an article consists of producing a jet of coating material formed of fine particles of high kinetic energy, combining at least a portion of said particles to form larger particles whereby the speed of the combined particles is slowed down, accelerating the larger particles and conveying them by means of electrostatic forces towards the article to be coated. In the apparatus shown comprising a spray producing atomizer nozzle 1, Fig. 1, a member 3, formed of wire rings 4 interconnected by radial wires 5 upon which a portion of the spray impacts, forms one of the electrodes required to produce an electrostatic field between the atomizer and the article to be coated and is rotatably and axially movably mounted on the nozzles supply tube 2. The rings 4 and wires 5 are mounted in a plane normal to the axis alpha of the atomizer ...

Improvements in or relating to electrostatic methods and apparatus

... In a method of electrostatically spray coating an article an earthed article 12 is conveyed past a rotating, bell-shaped head 15 which is charged to produce an average potential gradient of at least 5000 volts per inch. A conduit 17 supplies liquid to the head which is rotated by a motor 10 so that the edge is subjected to a centripetal acceleration of 2000 g.s. A high-voltage source 18 is connected to the head to apply a voltage of at least 40,000 V. Specifications 605,338 and 710,920 are referred to.

Atomization of liquids.

ELECTROSTATIC COATING SYSTEM AND SPRAYING BELL WITH TWO EDGES

BELL PLATE FOR ROTATION ATOMIZERS

DEVICE FOR LAYING ON POWDERED MATERIAL ON A WORKPIECE

AXIAL-THRUST BEARING

PROCEDURE AND ATOMIZER FOR THE SERIES COATING OF WORKPIECES

ROTATION ATOMIZER FOR COATING MEANS

VERFAHREN UND VORRICHTUNG ZUR AUFGABE EINES FLUIDS AUF EINEN SICH DREHENDEN HOHLKOERPER

DEVICE FOR THE COVERING OF THE INNER SURFACE OF TUBING BODIES

BELL PLATE AND ROTATION ATOMIZER

PROCEDURE AND DEVICE FOR THE ELECTROSTATIC COVERING OF ARTICLES WITH A FLUID.

ELECTROSTATIC SPRAY GUN, IN PARTICULAR FUER POWDER.

PROCEDURE AND MECHANISM FOR SUPPLYING FROM POWDER TO A POWDER SPRAYING MECHANISM

ELECTROSTATIC POWDER COATING

POTENTIAL EQUALIZATION ARRANGEMENT FOR AN ELECTROSTATIC ROTATION ATOMIZER

With compressed air claimant electrostatic paint spray gun

HIGH ROTATION ATOMIZER FOR THE CREATION OF POWDER COATING

Device to the Aufsprühen of liquid compounds, in particular of lacquers

ELECTROSTATIC POWDER SPRAY GUN WITH ADJUSTABLE DEFLECTOR AND ELECTROSTATIC SHIELD

FLUID DISTRIBUTION DEVICE

Paint robot and paint cartridge

The leakage of high voltage to the outside is cut off by use of an arm of a paint robot. A tank (25) is mounted on the robot arm (1). The tank (25) is filled with water for use as an operating liquid. The water is supplied to a paint cartridge (4) by use of a pump (24) controlled by a controller (40). Water ejected from the pump (24) under pressure is supplied to the paint cartridge (4) by use of a water-conducting tube (12). A high voltage generator (45) and a breeder resistance (46) are provided on the tank (25). High voltage generated in the high voltage generator (45) is supplied to an electrostatic paint device (2) via water. A nozzle (32) communicated with a water (an operating liquid) source (34) is relatively connected with a main pipe (23) so as to refill the tank (25) with water. During the generation of high voltage by the high voltage generator (45), the nozzle (32) and the main pipe (23) are separated from each other and electric insulation between the nozzle (32) and the main ...

ATOMISER USING TURBINE MOTOR

Apparatus and method for cleaning teeth

HIGH VOLTAGE SOURCE ROTARY SPRAY

A rotary spray atomizer for applying electrically conductive paint, in particular water-based paint, to surfaces, includes a housing. A spray head is fitted on front of the housing for receiving a supply of paint and discharging the supply of paint in a spray mist as a result of rotation. A motor is disposed in the housing for rotary actuation of the spray head. At least two electrode holders are disposed along a concentric circle and extend towards the front parallel to a longitudinal axis of the housing. Electrodes are each accommodated in and protrude from an end of a respective one of the electrode holders. High-voltage sources constructed as a cascade are each plugged into a respective one of the electrode holders for receiving a low-voltage current, feeding one of the electrodes and causing the electrode to generate an electric field applying the spray mist discharged by the spray head to an application surface.

ATOMISATION OF LIQUIDS

ATOMISATION OF LIQUIDS A method of atomising a polar liquid utilises apparatus comprising a tube having an inlet for liquid and at least one aperture providing an outlet from the tube for the liquid and a field intensifying electrode disposed adjacent the aperture. The method comprises applying a potential difference between the polar liquid and the field intensifying electrode and feeding the liquid along the tube from the inlet to the aperture. In carrying out the method, the tube is supported at a position remote from the aperture and the potential difference, flow rate and tube stiffness are so selected relatively to each other that the tube can be electrostatically maintained in vibration or gyration to cause atomised liquid particles to be thrown from the tube at the aperture.

PROCESS AND DEVICE FOR PRODUCING A PLASTIC SHEET WITH HIGH OPTICAL PROPERTIES

L'invention concerne un procédé et un dispositif pour la fabrication en continu d'une feuille de matière plastique de haute qualité optique, comprenant au moins une couche de faible épaisseur, notamment une couche présentant des propriétés de surface telles que résistance à la rayure et à l'abrasion. Selon l'invention, on fabrique ladite couche par pulvérisation centrifuge à grande vitesse d'un mélange de composants réactionnels sur un support plan, horizontal, animé d'un mouvement d'avance uniforme relatif par rapport à la pulvérisation. La feuille peut être utilisée dans la fabrication des vitrages de sécurité.

ROTARY ATOMIZER COATER

A coating applicator is disclosed which includes a rotary atomizer on a driven shaft. The shaft operates at high speeds. Coating material is supplied to the rotary atomizer. A pair of spaced bearings rotatably mount the shaft and a seal assembly is positioned between the rotary atomizer and the front bearing. The seal assembly includes a bearing cover having a cutting edge. A mating cap member surrounds the shaft and has a sealing shoulder which is engaged by the cutting edge. Exhaust air is used to cool the bearings, pressure the interior of the applicator and enhance the seal assembly.

COLOR EXCHANGE AND CLEANING DEVICE OF MINIBELL PAINTING MACHINE

A color exchange and cleaning device of a minibell painting machine has two systems or sections, that is, a bell-side ( first ) color exchange and cleaning section and a box-side ( second ) color exchange and cleaning section, and includes a manifold provided with a bell-side conduit and a box-side conduit. The bell-side conduit communicates with a trigger dump valve for the bell-side color exchange and cleaning section and a trigger valve for the box-side color exchange and cleaning section. The box-side conduit is connected via a connection hose with the trigger dump valve for the bell-side color exchange and cleaning section. The trigger valve for the box-side color exchange and cleaning section is connected with a dump valve. The box-side conduit is provided with a plurality of color valves, a low-pressure thinner valve and a low-pressure air valve. Thus, a manifold for the bell-side color exchange and cleaning section is eliminated, and the connection hose is made short.

APPARATUS FOR ELECTROSTATIC COATING OF OBJECTS

In an apparatus for the use of so-called water enamels or some other similarly conductive coating material, the electrical field for charging the sprayed particles is produced between the grounded spraying edge (6) of a bellshaped atomizer (10) and a large number of external electrodes (10) inserted into an annular element (20) made of an insulating material.

ELECTROSTATIC POWDER SPRAY GUN WITH ADJUSTABLE DEFLECTOR AND ELECTROSTATIC SHIELD

An electrostatic spray device having a gun barrel formed with a powder delivery passageway connected to a source of particulate powder material, a nozzle mounted at the forward end of the gun barrel which is formed with a discharge opening for emitting coating particles, a deflector carrying an electrode which produces an electrostatic field in the path of the coating particles emitted from the discharge opening and a pattern adjustment sleeve carried by the gun barrel which is radially outwardly spaced from the deflector and discharge opening. Both the deflector and pattern adjustment sleeve are axially movable relative to one another, and relative to the discharge opening, to vary the width of the spray pattern of coating particle emitted from the discharge opening while controlling the concentration of the electrostatic field produced by the electrode, and, accordingly, the level of ionic bombardment of the powder particles, so as to obtain an optimum electrostatic charge on the coating ...

MOTOR SPEED CONTROL

A feedback system for controlling the speed of a fluid motor includes an optical-signal transmitter, an optical-signal receiver, and an optically sensitive marker on the motor output shaft. The marker selectively couples the optical-signal transmitter to the optical-signal receiver to provide an optical-signal indicative of motor speed. This selectively coupled optical output signal is fed to a converter which converts the signal to a fluid signal. A processor is coupled to the converter for processing the fluid signal to provide a processed fluid signal which is coupled to the input of the fluid motor to control it.

COLOR CHANGE VALVE STRUCTURE FOR ROTARY HEAD ELECTROSTATIC SPRAY COATING SYSTEMS

A color change valve structure for rotary head electrostatic spray coating systems, of the type to which a rapid rotation is imparted to a rotary spray head and coating material directed through an orifice against the head for discharge from a peripheral edge of the head in a spray, is characterized by coating material and dump valves behind the head i n close proximity with the orifice. The coating material valve controls a flow of coating material from a supply line to the orifice, and the dump valve is operable to establish a passage from the supply line, through the material valve and to a dump outlet. To purge the system of coating material of one color in preparation for spraying material of another, the material valve is closed, the dump valve is opened and a flow of flushing media is established through the supply line, whereby the flushing media cleanses the supply line and material valve. Thereafter, the dump valve is closed and the material valve momentarily opened to cleanse ...

ROBOT PAINTING SYSTEM FOR AUTOMOBILES

ROBOT PAINTING SYSTEM FOR AUTOMOBILES A robot painting system for electrostatically painting an automobile body that includes a paint module adapted to maintain the automobile body in a stationary position relative to at least two painting robots, each of which carries a rotary bell-type atomizing device and provides programmed movement thereof about five control axes at a speed which prevents the cone-shaped pattern of atomized paint particles from being distorted due to any gyroscopic effect developed by the atomizing device as it is moved about the control axes.

AUTOMATIC PAINTING DEVICE

An automatic coating apparatus which is arranged to guarantee higher operational reliability, particularly to preclude coating defects as caused by malfunctioning of a cartridge gripper (56) or by the use of an non-replenished or deficiently replenished paint cartridge. A cartridge gripper assembly (55) is constituted by a gripper member (56) with gripper claws for gripping a paint cartridge (25), a grip detector switch (67) which is adapted to detect whether or not the paint cartridge (25) is securely gripped by the gripper. (56), and a replenishment level detector switch (68) which is adapted to detect whether or not the paint cartridge (25) is replenished with paint to a predetermined extent. Therefore, as the paint cartridge (25) is gripped by the cartridge gripper (56), the grip condition on the paint cartridge (25) can be monitor by the grip detector switch (67). At the same time, a replenished paint level within the cartridge (25) can be monitored from outside by the replenishment ...

ELECTROSTATIC SPRAY COATING SYSTEM

ROTARY ELECTROSTATIC ATOMIZER

A rotary electrostatic coating apparatus capable of variably controlling a coating pattern width. Shaping air discharge openings (1) are arranged on a first circle (2) about the rotation axis L of a rotary head, and pattern c ontrol air discharge openings (3) are formed on the outer side of the shapin g air discharge openings. The shaping air discharge openings (1) and the pat tern control air discharge openings (3) are tilted around the rotation axis L, so that shaping air (5) and pattern control air (6) are helical airflows in the same swirl direction. The tilt angle .beta. of the pattern control ai r (6) is greater in absolute value than the tilt angle .alpha. of the shapin g air (5).

CARTRIDGE PAINT-CHARGING METHOD AND DEVICE THEREFOR

A paint-charging device for charging a cartridge (25) with paint to allow the paint to breathe during standby. The device comprises a charging valve (61) for feeding/discharging paint fed to the paint storage chamber (30) of the cartridge (25) attached to a charging block (52), and a paint breath valve (91) for feeding/discharging push-out thinner to/from a thinner storage chamber (31). The charging valve (61) is switched to the discharge side to feed the push-out thinner from the paint breath valve (91), thereby pushing out the paint in the paint storage chamber (30). Further, the charging valve (61) is switched to the feed side to discharge the push-out thinner from the paint breath valve (91), thereby feeding the pain to the paint storage chamber (30). This allows the paint in the cartridge (25) to perform a breathing action, preventing separation of the pigment in the paint.

SPRAY DEVICE HAVING A PARABOLIC FLOW SURFACE

A rotary atomizer spray coating device (202), in certain embodiments, has a bell cup (206) with a generally parabolic flow surface (210). This genera lly parabolic flow surface (210) provides additional surface area for dehydr ation of coating fluids, thereby improving color matching as compared to tra ditional bell cups, for example, by affording capability for higher wet soli ds content. In addition, the coating fluid accelerates along the generally p arabolic flow surface, resulting in the fluid leaving the bell cup at a grea ter velocity than in traditional bell cups. Furthermore, a splash plate (212 ) disposed adjacent the bell cup, in certain embodiments, is designed such t hat fluid accelerates through an annular area between the splash plate and t he generally parabolic flow surface. This acceleration may substantially red uce or eliminate low-pressure cavities in which fluid and/or particulate mat ter may be trapped, resulting in an even application of coating fluid and mo re effective ...

ROTARY ATOMIZER AND COATING PATTERN CONTROL METHOD

A rotary electrostatic atomizer uses shaping air (Fs) and pattern control air (Fp). Shaping airflow (Fs) is supplied from shaping air holes (17) aligned along outer one of concentric circles that are concentric with the rotation axis (L) of the bell cup (13) and located behind the front end of the bell cup (13). Pattern control airflow (Fp) is supplied from pattern control air holes (18) aligned along inner one of the concentric circles. Both the shaping air flow (Fs) and the pattern control airflow (Fp) are expelled in circumferentially twisted directions substantially with an equal twist angle opposite from the rotating direction of the bell cup (13). The shaping airflow (Fs) passes a circular line near to and radially outwardly apart from the outer perimeter of the bell cup (13). The pattern control airflow (Fp) intersects the shaping airflow (Fs) from radially inside at the position near to and radially outwardly apart from the outer perimeter of the bell cup (13). Thereby, the pattern ...

ROTARY ATOMIZER CUP

An atomizing bell or cup for use in a rotary atomizing apparatus includes a generally frusto-conical-shaped wall having an outer surface and an inner flow surface which terminates at an annular atomizing lip. A plurality of radially outwardly extending fins or ribs are formed on the inner flow surface of the cup upstream from the atomizing lip which are circumferentially spaced from one another to provide flow paths therebetween for coating material flowing along the interior surface of the cup such that the coating material is divided into a number of individual streams before reaching the atomizing lip. These streams are emitted from between adjacent ribs a short distance upstream from the atomizing lip which allows centrifugal force to at least partially flatten the streams forming ribbon-shaped streams, which, when flung outwardly from the atomizing lip, form completely atomized coating particles which are substantially free of air bubbles.

ROTARY POWDER APPLICATOR

A system for atomizing and dispensing powder comprises a fluidized powder bed for entraining the powder fluidized in a bearing air stream, a dispenser, and a motor for rotating the dispenser. The dispenser has a somewhat bell-shaped interior. The motor has an output shaft having a first passageway extending lengthwise thereof. A feed tube extends through the first passageway. The fluidized powder is fed to an end of the feed tube passageway remote from the dispenser to be supplied through the feed tube to the interior as the motor rotates the dispenser. A diffuser is mounted within the interior. A discharge slot is defined between the dispenser and an edge of the diffuser. The feed tube is mounted so that it does not rotate with the output shaft. The diffuser includes a back side facing the interior and bounded by the edge. The back side includes a generally part-spherical concavity into which the fluidized powder is directed from the feed tube.

A SPRAY PAINTING NOZZLE

A spray painting nozzle designed as a spindle supported in a gas bearing and incorporating a stationary part (3) and a part (4) rotatably supported in relation thereto, which latter carries a rotatable spray painting cup (26) adapted to be driven by a drive unit (12), whereby the spray painting cup (26) is equipped with a supporting system comprising mutually plane-parallel bearing surfaces formed in the stationary and the the rotatable parts, and with means (2,5) for supply of a gaseous medium for causing a slot generated as an axial gas bearing therebetween, the rotatable part being radially guided by a magnetic force for centering the rotatable part in relation to the stationary part, said supporting system further being equipped with symmetrically provided holder magnets (6) for limitation of the size of said slot, and where for supply of spray medium to the spray painting cup (26), there is provided a supply path (10) extending through the plane (4a) of the gas bearing. ( Fig. 1 ) ...

TURBINE WITH MAGNETIC-FLUID SUSPENSION

Turbine à suspension magnétofluidique dans laquelle sont combinés un palier fluidique et un circuit magnétique comprenant un aimant dans le stator. Selon l'invention, le circuit magnétique comprend un aimant dans le stator et un entrefer défini entre des pièces polaires d'un circuit ferromagnétique agencé entre rotor et stator et ce circuit ferromagnétique comporte des élémentsde centrage en regard de part et d'autre de l'entrefer.

ELECTROSTATIC COATING APPARATUS

An electrostatic coating apparatus, comprising: a) an atomizing head assembly including: 1) an atomizing head; and 2) a coupling disposed around a forward half portion of the atomizing head, the forward half portion of the atomizing head and the coupling forming a first path for shaping air therebetween; b) a driving mechanism for rotating the atomizing head assembly, the driving mechanism having an output shaft connected to the atomizing head, the output shaft being tubular to supply coating materials to the center of the atomizing head therethrough; and c) a casing disposed around a rear half portion of the atomizing head and the driving mechanism, the casing having a second path for shaping air which is communicated with the first path.

ELECTROSTATIC SPRAY DEVICE

An electrostatic spray coating apparatus having a spray nozzle which has a spray orifice for atomizing coating material. The nozzle orifice may be round or, preferably, is in the form of a slot to impart a flat shape to the atomized material. The spray nozzle is mounted to be rotated on a body of the spray gun so that theatomized material particles are driven radially outwards in addition to the forward direction and are thereby distributed uniformly in the cloud of sprayed material. A brake may be provided to slow down the rotation when greater penetration into cavities in the article being painted is desired. In invention may be used in either power spray coating apparatus or liquid spray coating apparatus.

EXHAUSTING TURBINE AIR FROM POWDER COATING APPARATUS

A coating dispensing head includes a rotary dispensing device and a rotator for rotating the rotary dispensing device. The head includes a first connection for supplying the coating to the dispensing device and a second connection for supplying motive power to the rotator. The coating is a pulverulent material entrained in a stream of fluidizing gas and the rotator is a compressed gas driven turbine rotator having an output shaft extending from a first side of the turbine rotator. The dispensing device is mounted on the output shaft. The turbine rotator has a second side facing in a direction generally opposite the first side. The turbine rotator includes at least one exhaust passageway having an exhaust port provided on the second side of the turbine rotator.

QUICK DISCONNECT FOR POWDER COATING APPARATUS

A coating dispensing head includes a rotary dispensing device, a rotator for rotating the rotary dispensing device and a tachometer for generating a light signal in response to rotation of the rotator. The head includes a first connection for supplying the coating to the dispensing device, a second connection for supplying motive power to the rotator and a first optical fiber having a first end for receiving the light signal and a second end. At least one of the first and second connections includes first and second passageways terminating at respective first and second generally flat surfaces and connectors for holding the first and second surfaces against each other with the first and second passageways aligned so that the one of coating and motive power supplied to one of the first and second passageways flows into the other of the first and second passageways and thence to the one of the dispensing device and rotator. The second end of the first optical fiber conducts the light signal ...

ROTARY ATOMIZER FOR PARTICULATE PAINTS

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.

Installation de changement de prise de courant à au moins un transformateur électrique.

Sprühvorrichtung zur Bildung eines elektrisch geladenen Aerosols.

Appareil portatif pour la pulvérisation et la projection électrostatique

Rotary atomizer and method for the control of the spraying body of said rotary atomizer

Exemplary illustrations of a bell cup for a rotary atomizer and method of using the same are disclosed. The exemplary illustrations are generally directed to the control of the rotating bell plate of a rotary atomizer used for the serial coating of work pieces. An air flow component may be created by the structural design of the bell plate and/or of an element of the rotary atomizer and by the rotation of the bell plate. The air flow component may correspond to the bell plate design, and the element may be adjacent to the bell plate and stationary relative to same. The air flow component may be measured and compared to a predefined reference value.

Axial turbine for a rotary atomizer

A turbine rotor, e.g., for a drive turbine of a rotary atomizer, is disclosed having a rotatably supported turbine shaft with the potential for mounting an atomizer wheel, and having at least one drive turbine wheel having a plurality of turbine blades. The turbine blades of the drive turbine wheel may be impinged on during operation by a drive fluid in order to drive the turbine rotor. The drive turbine wheel may be designed for the drive fluid to axially impinge on the turbine blades. A complete drive turbine having such a turbine rotor is also disclosed, as well as a complete rotary atomizer and individual exemplary components of the drive turbine.

Coating method and coating apparatus

A coating apparatus has a rotary atomizing head that discharges paint to a work, and an air injecting unit that injects annular shaping air towards an outer peripheral edge portion of the rotary atomizing head. The air injecting unit has first air injecting ports and second air injecting ports. First air of relatively high wind speed is injected from the first air injecting ports and second air of relatively low wind speed is injected from the second air injecting ports.

ELECTROSTATIC PAINTING APPARATUS AND ELECTROSTATIC METHOD

An electrostatic painting apparatus () includes: a paint gun () that has a bell cup () serving as an atomization portion that atomizes a paint, and an air nozzle () serving as an air discharge portion that discharges shaping air for controlling a diffusion pattern of the atomized paint; a high-voltage generator () that applies a high voltage to the paint gun (); and a controller () that controls the high voltage to be applied from the high-voltage generator (), wherein the high-voltage generator () generates a high positive voltage. 1. An electrostatic painting apparatus comprising:a paint gun that includes an atomization portion that atomizes a paint and an air discharge portion that discharges shaping air for controlling a diffusion pattern of the atomized paint;a high-voltage generator that applies a high voltage to the paint gun; anda controller that controls the high voltage to be applied from the high-voltage generator; andan electrification portion that aggressively causes positive electrification of the shaping air discharged from the air discharge portion, whereinthe high-voltage generator generates a high positive voltage,the electrification portion is an air supply portion that supplies air to the air discharge portion and that is made of a material which becomes negatively electrified.2. (canceled)3. (canceled)4. The electrostatic painting apparatus according to claim 1 , whereinthe controller sets, as the high voltage to be applied from the high-voltage generator, a first energization voltage that is suitable for electrostatic painting and a second energization voltage that is lower than the first energization voltage, and causes the first energization voltage and the second energization voltage to be alternately output in pulses each having a predetermined pulse width, a predetermined pulse interval, and a predetermined amplitude.5. An electrostatic painting method comprising:generating a high positive voltage at a paint gun such that an electric field ...

ELECTROSTATIC COATING GUN

A coating gun includes: a high-voltage generating device that is used to generate high voltage; an air motor that is a motor portion to which the high voltage is applied; a bell cup that is supported on a rotary shaft of the air motor and to which the high voltage is applied; a CCV unit that selectively supplies a plurality of types of coatings to the bell cup; a gun body that is a casing and that contains the high-voltage generating device, the air motor and the CCV unit; and a coupling portion that is used to couple the gun body to a robot arm and that is grounded. The air motor and the CCV unit are electrically connected to each other via a first resistor, and the coupling portion and the CCV unit are electrically connected to each other via a second resistor. 1. An electrostatic coating gun characterized by comprising:a high-voltage generating device that is used to generate high voltage;a motor portion to which the high voltage is applied;a bell cup that is supported on a rotary shaft of the motor portion and to which the high voltage is applied;a CCV unit that selectively supplies a plurality of types of coatings to the bell cup;a casing that contains the high-voltage generating device, the motor portion and the CCV unit; anda coupling portion that is used to couple the casing to a robot arm and that is grounded, whereinthe motor portion and the CCV unit are electrically connected to each other via a first resistor, and the coupling portion and the CCV unit are electrically connected to each other via a second resistor.2. The electrostatic coating gun according to claim 1 , wherein at least one of the first resistor and the second resistor is formed of a variable resistor of which a resistance value is variable.3. The electrostatic coating gun according to claim 1 , wherein the first resistor and the second resistor are each formed of a variable resistor of which a resistance value is variable. 1. Field of the InventionThe invention relates to a technique for ...

Rotary atomizing painting device

The rotary atomizing painting device is provided with a bell cup ( 3 ) disposed at the most front part in the paint spray direction X and axially supported by a rotating shaft ( 2 b ) and a shaping air ring ( 4 ) disposed rearward of this bell cup ( 3 ) in the paint spray direction and in which a plurality of discharge openings ( 4 a ) is formed on the periphery centered on the rotating shaft ( 2 b ). The plurality of discharge openings ( 4 a ) is formed such that the axial direction of the plurality of discharge openings ( 4 a ) is in a direction and a slant to the rotating shaft ( 2 b ). The axial direction of the plurality of discharge openings ( 4 a ) is formed to aim at a back surface part ( 3 b ), which is a part on the back surface side of the bell cup ( 3 ) from the paint spray direction.

HIGH MASS THROUGHPUT PARTICLE GENERATION USING MULTIPLE NOZZLE SPRAYING

Spraying apparatus and methods that employ multiple nozzle structures for producing multiple sprays of particles, e.g., nanoparticles, for various applications, e.g., pharmaceuticals, are provided. For example, an electrospray dispensing device may include a plurality of nozzle structures, wherein each nozzle structure is separated from adjacent nozzle structures by an internozzle distance. Sprays of particles are established from the nozzle structures by creating a nonuniform electrical field between the nozzle structures and an electrode electrically isolated therefrom. 150-. (canceled)51. An apparatus for electrospraying particles , the apparatus comprising:a particle source; anda dispensing device configured to receive source material from the particle source, wherein the dispensing device comprises a plurality of nozzle structures, wherein each nozzle structure comprises at least one opening defined along a center axis of the nozzle structure and terminating at a dispensing end thereof, wherein each nozzle structure is separated from adjacent nozzle structures by at least an internozzle distance (L) defined by the distance between center axes of nozzle structures, wherein the ratio of the internozzle distance (L) to a diameter (D) of the opening at the dispensing end is equal to or greater than 2; andan electrode isolated from the dispensing end, wherein a nonuniform electrical field is created between the dispensing ends and the electrode such that a spray of particles having an electrical charge applied thereto is dispensed from the dispensing end of each nozzle structure.52. The apparatus of claim 51 , wherein the electrode is a grounded target.53. The apparatus of claim 51 , wherein each of the nozzle structures comprises a capillary tube comprised of a body portion and a tapered capillary tip at the dispensing end of the capillary tube.54. The apparatus of claim 51 , wherein each of the nozzle structures comprises a tapered portion used to form the opening ...

ELECTROSTATIC SPRAY PRINTING APPRATUS

An electrostatic spray printing apparatus includes a nozzle, a first voltage supply, and two guide electrodes. The nozzle sprays a solution containing an organic material. The first voltage supply divides the solution sprayed from the nozzle into fine droplets by applying a positive voltage to the nozzle. The guide electrodes are arranged to be spaced apart from each other with an end of the nozzle therebetween, extends in a first direction, and are grounded. The electrostatic spray printing apparatus forms an organic pattern with a uniform thickness. 1. An electrostatic spray printing apparatus , comprising:a nozzle configured to spray a solution containing an organic material;a first voltage supply configured to divide the solution sprayed from the nozzle into fine droplets by applying a positive voltage to the nozzle; andtwo guide electrodes arranged to be spaced apart from each other with an end of the nozzle therebetween, configured to extend in a first direction, and grounded.2. The electrostatic spray printing apparatus of claim 1 , further comprising:a conductive mask arranged under the two guide electrodes, including a linear opening extending in a direction intersecting the two guide electrodes, and to which a positive voltage is applied.3. The electrostatic spray printing apparatus of claim 2 , further comprising:a second voltage supply configured to apply the positive voltage to the conductive mask.4. The electrostatic spray printing apparatus of claim 3 , wherein the nozzle claim 3 , the two guide electrodes claim 3 , and the conductive mask are combined with each other.5. The electrostatic spray printing apparatus of claim 1 , wherein each of the two guide electrodes is a bar shape having a quadrangular or circular cross section claim 1 , or a plate shape facing the other with the nozzle therebetween.6. An electrostatic spray printing apparatus claim 1 , comprising:a nozzle configured to spray a solution containing an organic material;a first voltage ...

Electrode holder and jet nozzle for a powder spray gun operable at high voltage

The electrode holder for a powder spray gun operable at high voltage includes a powder channel and a web, arranged in the powder channel, for holding a high-voltage electrode. In addition, an annular groove arranged concentrically with the powder channel is provided and is open on the downstream side. A labyrinth for the high voltage is formed by the annular groove together with an annular web of a cap nut, the annular web protruding into the annular groove and said cap nut being used to lock the electrode holder.

Coating device comprising a jet of coating medium which is broken down into drops

A coating device comprises at least one application apparatus to discharge a coating agent from at least one coating agent nozzle. The application apparatus is configured to apply an oscillation to at least one of the coating agent and at least one coating agent jet such that at least one of the coating agent and the at least one coating agent jet break up into droplets.

Spray device having a parabolic flow surface

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. This acceleration may substantially reduce or eliminate low-pressure cavities in which fluid and/or particulate matter may be trapped, resulting in an even application of coating fluid and more effective cleaning of the bell cup as compared with traditional bell cups.

ELECTROSTATIC ATOMIZATION DEVICE, INFORMATION PROCESSING TERMINAL, AND CONTROL METHOD

An aspect of the present invention enables longer use of an electrostatic atomizer by employing a feature for removing foreign objects. An electrostatic atomizer sprays a liquid from a tip of a first electrode of the electrostatic atomizer by applying a voltage between the spray electrode and a reference electrode of the electrostatic atomizer. The electrostatic atomizer includes: a selecting section which selects a cleaning mode or a normal mode, the cleaning mode being for cleaning the reference electrode, the normal mode being for normal operation of the electrostatic atomizer; and a setting section which sets a cleaning voltage so as to be higher than a normal spray voltage, the cleaning voltage being applied in the cleaning mode, the normal spray voltage being applied in the normal mode. 1. An electrostatic atomizer which sprays a liquid from a tip of a first electrode of the electrostatic atomizer by applying a voltage between the first electrode and a second electrode of the electrostatic atomizer , comprising:a selecting section which selects a cleaning mode or a normal mode, the cleaning mode being for cleaning the second electrode, the normal mode being for normal operation of the electrostatic atomizer; anda setting section which sets a cleaning voltage so as to be higher than a normal spray voltage, the cleaning voltage being applied between the first electrode and the second electrode in the cleaning mode, the normal spray voltage being applied between the first electrode and the second electrode in the normal mode.2. The electrostatic atomizer according to claim 1 , wherein the setting section sets the cleaning voltage in accordance with surrounding environment information that indicates a surrounding environment of the electrostatic atomizer.3. The electrostatic atomizer according to claim 2 , wherein the surrounding environment information includes information relating to at least one of an air temperature of an area surrounding the electrostatic ...

CONSTRUCTIVE ARRANGEMENT APPLIED TO ELECTROSTATIC SPRAY NOZZLES FOR AGRICULTURAL AIRCRAFT AND HELICOPTERS

Constructive arrangement applied in an electrostatic spray nozzle for aircraft and helicopters, equipped with electrode insulation fins, a diffuser core with a dosing disc and a fan dosing tip with regulation for a conical jet and flat jet. 1- Constructive arrangement applied to electrostatic spray nozzles for agricultural aircraft and helicopters comprising:{'b': 1', '15', '1', '2', '3', '2', '4', '5', '2', '6', '2', '7', '8', '9, 'a cylindrical body () containing an anti-drip system () said cylindrical body () having a thread () at the end connecting with the spray bar (not shown), at the other end, the spray nozzle itself () being that just below the thread () there is the projection () to thread the spray nozzle on the spray bar, an extension in the shape of an “L” () that protrudes from the threaded end () containing in the intermediate region a plurality of fins () and in the distal portion to the thread () a terminal (), where the induction ring () is fastened by means of screws () with the high voltage cable.'}2101112- Constructive arrangement according to characterized in that the constructive arrangement allows the use of an extensive tip () claim 1 , where the induction ring () is further away from the cylindrical body ().313- Constructive arrangement according to characterized by having a variation with the use of the fan tip ().414- Constructive arrangement according to characterized by having an assembly using an induction ring in the form of a multi-perforated cylinder ();{'b': '15', 'a cylinder without perforations () and;'}{'b': '16', 'an assembly of the fins in pairs facing each other ().'} The following utility model refers to the constructive arrangement applied in an electrostatic spray nozzle for aircraft and helicopters, equipped with electrode insulation fins, a diffuser core with a dosing disc and a fan dosing tip with regulation for a conical jet and flat jet.Conventional spraying is similar to electrostatic spraying, with the difference ...

FUNCTION CONTROL FOR AN ELECTROHYDRODYNAMIC ATOMIZER

A method for the function control of an electrohydrodynamic atomizer (), wherein an electrohydrodynamically atomized fluid (), originating from the atomizer (), is applied to a body, e.g. a person, in order to coat this body at least in certain areas, wherein the atomizer () comprises a fluid tank for storing the fluid () and at least one high voltage source for making available a high voltage and at least one pump unit for transporting the fluid, wherein the fluid () is delivered to a nozzle arrangement of the atomizer () by means of the pump unit, and wherein the fluid () is atomized electrohydrodynamically at the nozzle arrangement by means of the effect of the high voltage from the high voltage source, wherein a voltage and/or a current at the high voltage source is evaluated in order to acquire a working point of the high voltage source via a current/voltage characteristic curve. 1. A method for the function control of an electrohydrodynamic atomizer , wherein an electrohydrodynamically atomized fluid , originating from the atomizer , is applied to a body , e.g. a person , in order to coat this body at least in certain areas , wherein the atomizer comprises a fluid tank for storing the fluid and at least one high voltage source for making available a high voltage and at least one pump unit for transporting the fluid , wherein the fluid is delivered to a nozzle arrangement of the atomizer by means of the pump unit , and wherein the fluid is atomized electrohydrodynamically at the nozzle arrangement by means of the effect of the high voltage from the high voltage source , whereina voltage and/or a current at the high voltage source is evaluated in order to acquire a working point of the high voltage source via a current/voltage characteristic curve or a characteristic curve diagram.2. The method as claimed in claim 1 , wherein the evaluated voltage and/or the current is a reference voltage proportional to the actual voltage value and/or current value of the high ...

ELECTROSTATIC COATING DEVICE, POWER SOURCE DEVICE FOR ELECTROSTATIC COATING DEVICE AND ELECTROSTATIC COATING METHOD

An electrostatic coating device comprising a nozzle section that discharges a liquid to a substrate, a counter electrode that is disposed in such a way as to face the nozzle section and supports the substrate and a power source device that applies a voltage between the nozzle section and the counter electrode further comprises an instantaneous stop circuit that selectively grounds the nozzle section. When the nozzle section is grounded by the instantaneous stop circuit, a charge remaining in the nozzle section goes to the ground and the charge remaining in the nozzle section disappears. For this reason, after the power source device is turned off, dripping of the liquid from the nozzle section can be completed as quickly as possible. 1. An electrostatic coating device comprising:a nozzle that discharges a liquid to an object being coated;a counter electrode that is disposed to face the nozzle and to support the object being coated;a power source that applies a voltage between the nozzle and the counter electrode; anda switch that selectively grounds the nozzle.2. The electrostatic coating device according to claim 1 , wherein the switch connects the nozzle and the power source when the nozzle is not grounded claim 1 , and cuts off the connection between the nozzle and the power source when the nozzle is grounded.3. The electrostatic coating device according to claim 1 , further comprising a liquid supply section that receives power from the power source and thereby supplies the liquid to the nozzle claim 1 ,wherein the switch connects the liquid supply section and the power source when the nozzle is not grounded and cuts off the connection between the liquid supply section and the power source when the nozzle is grounded.4. A power source device for an electrostatic coating device comprising:a power source that applies a voltage between a nozzle discharging a liquid to an object being coated and a counter electrode that is disposed to face the nozzle and to support ...

ELECTROSTATIC SPRAYING DEVICE

An electrostatic spraying device includes a device body having a paint supply passage connected to a paint supply source, a paint nozzle located on a distal end of device body and having a paint flow passage communicating with the paint supply passage and a paint outlet formed through a distal end of the paint flow passage, a high-voltage generating part which generates high voltage with which paint sprayed from the paint outlet is charged, and a high-voltage electrode to which the high voltage generated by the high voltage generating part is applied. The high-voltage electrode is disposed at a position a predetermined distance backwardly away from the paint outlet on an outer periphery of the device body, so as to be separated from the paint flow passage thereby to be insulated from the paint flow passage. 1. An electrostatic spraying device comprising:a device body having a paint supply passage connected to a paint supply source;a paint nozzle provided on a distal end of device body and having a paint flow passage communicating with the paint supply passage and a paint outlet formed through a distal end of the paint flow passage;a high-voltage generating part configured to generate high voltage with which paint sprayed from the paint outlet is charged; anda high-voltage electrode to which the high voltage generated by the high voltage generating part is applied,wherein the high-voltage electrode is disposed at a position a predetermined distance backwardly away from the paint outlet on an outer periphery of the device body, so as to be separated from the paint flow passage thereby to be insulated from the paint flow passage.2. The electrostatic spraying device according to claim 1 , wherein the high-voltage electrode is disposed at a position which is a predetermined distance radially outward away from the paint flow passage with a central focus on a spray axis connecting between the paint outlet and an object to which the paint sprayed from the paint outlet is ...

ELECTROSTATIC SPRAY DEVICE AND METHOD FOR POSITIONING FOR THE SAME

An electrostatic spray device capable of reducing a leakage current is provided. An electrostatic spray device includes a spray electrode configured to spray a material from an end thereof, a reference electrode for allowing voltage application across the spray electrode and the reference electrode a dielectric on which the spray electrode and the reference electrode are provided, and a gap section provided on a surface of the dielectric for providing on the surface of the dielectric a detouring current path between the spray electrode and the reference electrode 1. An electrostatic spray device , comprising:a first electrode configured to spray a material from an end thereof;a second electrode for allowing voltage application across the first electrode and the second electrode;a dielectric on which the first electrode and the second electrode are provided; anda detour section provided on a surface of the dielectric, for providing on the surface of the dielectric a detouring current path between the first electrode and the second electrode.2. The electrostatic spray device as set forth in claim 1 , wherein the detour section is a gap section by which the surface of the dielectric between a first electrode attaching section to which the first electrode is attached on the dielectric and a second electrode attaching section to which the second electrode is attached on the dielectric is not on a same plane cross-sectionally.3. The electrostatic spray device as set forth in claim 1 , wherein the detour section is a concave or convex section between a first electrode attaching section to which the first electrode is attached on the dielectric and a second electrode attaching section to which the second electrode is attached on the dielectric.4. A method for providing claim 1 , on a dielectric of an electrostatic spray device claim 1 , a first electrode configured to spray a material from an end thereof and a second electrode for allowing voltage application across the ...

ANTIGLARE FILM-COATED SUBSTRATE, METHOD FOR ITS PRODUCTION, AND ARTICLE

To provide a production method capable of producing an antiglare film-coated substrate having excellent antiglare performance in a short time, an antiglare film-coated substrate having excellent antiglare performance, and an article provided with the substrate. A method for producing an antiglare film-coated substrate comprising a substrate and an antiglare film formed on the substrate , characterized by comprising a step of preparing a coating composition comprising at least one of a silica precursor (A) and particles (C), and a liquid medium (B), wherein the liquid medium (B) contains a liquid medium (B1) having a boiling point of at most 150° C. in an amount of at least 86 mass % based on the total amount of the liquid medium (B), a step of electrically charging and spraying the coating composition by using an electrostatic coating apparatus having an electrostatic coating gun having a rotary atomizing head, to apply it on the substrate to form a coating film, and a step of firing the coating film to form an antiglare film 1. A method for producing an antiglare film-coated substrate comprising a substrate and an antiglare film formed on said substrate , characterized by comprisinga step of preparing a coating composition comprising at least one of a silica precursor (A) and particles (C), and a liquid medium (B), wherein the liquid medium (B) contains a liquid medium (B1) having a boiling point of at most 150° C. in an amount of at least 86 mass % based on the total amount of the liquid medium (B),a step of electrically charging and spraying the coating composition by using an electrostatic coating apparatus having an electrostatic spray gun having a rotary atomizing head, to apply it on the substrate to form a coating film, anda step of firing the coating film to form an antiglare film.2. The method for producing an antiglare film-coated substrate according to claim 1 , wherein the rotational speed of the rotary atomizing head at the time of applying the coating ...

HEAD AND SYSTEM FOR CONTINUOUSLY MANUFACTURING COMPOSITE HOLLOW STRUCTURE

A head is disclosed for use with a manufacturing system. The head may have a housing configured to discharge a tubular structure reinforced with at least one continuous fiber and having a three-dimensional trajectory, and a cure enhancer operatively connected to the housing and configured to cure a liquid matrix in the tubular structure during discharge. The head may also have a nozzle configured to discharge a fill material into the tubular structure, and a wand extending from the housing to the nozzle. 1. A method of continuously manufacturing a composite structure , comprising:continuously coating fibers with a matrix;diverting the fibers radially outward away from a non-fiber axis to form a tubular structure;creating a three-dimensional trajectory within the tubular structure;curing the tubular structure from inside of the tubular structure; anddischarging a fill material into the tubular structure.2. The method of claim 1 , wherein curing the tubular structure includes curing the tubular structure at a location upstream of where the fill material is discharged into the tubular structure.3. The method of claim 2 , further including curing the fill material.4. The method of claim 1 , further including externally shielding the tubular structure from an environment.5. The method of claim 4 , further including internally shielding the tubular structure from the environment.6. The method of claim 1 , wherein discharging the fill material into the tubular structure includes directing the fill material from a center of the tubular structure radially outward onto an inner wall of the tubular structure to form an annular layer inside the tubular structure.7. The method of claim 1 , wherein discharging the fill material into the tubular structure includes directing the fill material from a center of the tubular structure radially outward onto an inner wall of the tubular structure to form a plurality of axially oriented ridges inside the tubular structure.8. The method of ...

ELECTROSTATIC ATOMIZER

An electrostatic atomizer can include a paint supply path configured to supply paint to a paint discharge section; and a high voltage supply path configured to supply a high voltage to a discharge electrode, wherein the discharge electrode comprises a semi-conductive material, and wherein the high voltage supply path includes a high resistance near the discharge electrode, and is electrically segregated from the paint supply path. 1. An electrostatic atomizer comprising:a paint supply path configured to supply paint to a paint discharge section; anda high voltage supply path configured to supply a high voltage to a discharge electrode, wherein the discharge electrode comprises a semi-conductive material, andwherein the high voltage supply path includes a high resistance near the discharge electrode and is electrically segregated from the paint supply path, wherein the electrostatic atomizer is a rotary atomizing type electrostatic atomizer,wherein the discharge electrode is composed of a rotary atomizing head which is connected to an output shaft of an air motor configured to drive the rotary atomizing head, andwherein the rotary atomizing head consists of a semi-conductive resin material, wherein the air motor consists of metal and constitutes a part of the high-voltage supply path, wherein the output shaft of the air motor consists of an electrically insulating material and is hollow, and wherein the feed tube is coaxially arranged in the hollow output shaft, wherein the paint supply path includes a manifold communicated with the feed tube, wherein a paint supply pipe communicated with a paint source and a solvent supply pipe communicated with a solvent source are connected to the manifold, and wherein the paint supply pipe and the solvent supply pipe are grounded through a bracket, wherein the manifold consists of an electrically insulating material, wherein the paint supply pipe and the solvent supply pipe consist of an electrically insulating material.2. ( ...

ELECTROSTATIC LIQUID SPRAY NOZZLE HAVING AN INTERNAL DIELECTRIC SHROUD

An electrostatic sprayer for spraying a liquid includes a nozzle formed from a a nozzle body that has an inlet for receiving a liquid and a liquid tip having an outlet for ejection of the liquid to form a liquid spray. The nozzle also includes an electrode disposed around the outlet of the liquid tip for charging the liquid and a dielectric shroud disposed around at least a portion of the liquid tip to prevent leakage currents from reducing a potential of the electric field between the liquid and the electrode, which would otherwise reduce the effectiveness of the sprayer. A conductor that couples the electrode to a power supply may pass through a hole extending through the shroud. The shroud may include one or more vents to permit air and liquid to pass through the dielectric shroud to reduce accumulation of liquid. 1. A nozzle for an electrostatic sprayer , the nozzle comprising:a nozzle body having an inlet for receiving a liquid;a liquid tip having an outlet at a distal end thereof for ejection of the liquid;an electrode disposed around the outlet of the liquid tip for generating an electric field between the electrode and the liquid for charging the liquid; anda dielectric shroud disposed around at least a portion of the liquid tip to prevent leakage currents from reducing an intensity of the electric field.2. The nozzle of claim 1 , wherein the proximal end of the liquid tip is configured for removable insertion into a recess in the nozzle body claim 1 , whereby the liquid tip is removable and replaceable.3. The nozzle of claim 1 , wherein the electrode induces electrical charge flow in the liquid near the outlet claim 1 , and wherein the nozzle body includes another inlet for receiving a pressurized gas to eject an electrostatically-charged liquid spray from the outlet.4. The nozzle of claim 1 , wherein the dielectric shroud is an annulus extending around a proximal end of the liquid tip and extending from the nozzle body.5. The nozzle of claim 4 , wherein ...

ELECTROSTATIC LIQUID SPRAY NOZZLE HAVING A REMOVABLE AND RE-SETTABLE ELECTRODE CAP

An electrostatic sprayer for spraying a liquid includes a nozzle formed from a nozzle body that has an inlet for receiving a liquid and a liquid tip having an outlet for ejection of the liquid to form a liquid spray. The nozzle also includes an electrode disposed around the outlet of the liquid tip for charging the liquid. The electrode is captive in a removable cap that is that is detachably secured, e.g., via threaded connection, to the sprayer, so that the cap is removable for servicing, cleaning or replacement of nozzle components such as the liquid tip. The nozzle includes a calibratable stop mechanism for controlling a position of the electrode with respect to the outlet of the liquid tip when the cap is installed. The stop mechanism may be provided by a locking ring around a barrel of the sprayer that stops rotation of the cap. 1. An electrostatic sprayer , comprising:a nozzle disposed at an end of the electrostatic sprayer, the nozzle including a liquid tip having an outlet for ejection of a liquid;an electrode disposed around the outlet of the liquid tip for generating an electric field between the electrode and the liquid for charging the liquid;a removable cap defining an aperture for permitting passage of an electrostatically-charged liquid spray therethrough, wherein the electrode is captively secured in the removable cap, and wherein the removable cap is detachably secured to the electrostatic sprayer for providing access to the nozzle and electrode when the cap is removed from the electrostatic sprayer; anda calibratable stop mechanism for controlling a position of the electrode with respect to the outlet of the liquid tip by controlling a position of the removable cap with respect to a fixed position of the liquid tip, whereby the position of the electrode with respect to the outlet of the liquid tip is settable and re-settable as the removable cap is removed and replaced once the stop mechanism is calibrated.2. The electrostatic sprayer of claim 1 , ...

ROTARY PAINT ATOMIZER SYSTEM AND METHOD OF MONITORING A ROTARY PAINT ATOMIZER

A method of monitoring a rotary paint atomizer includes determining a target rotational speed, a target air flow rate, a target torque, and a target electrostatic current; and measuring an operating rotational speed, an operating air flow rate, an operating torque, and an operating electrostatic current. The method includes detecting at least one of a first condition in which the operating rotational speed differs from the target rotational speed, a second condition in which the operating air flow rate differs from the target air flow rate, a third condition in which the operating torque differs from the target torque, and a fourth condition in which the operating electrostatic current differs from the target electrostatic current. After detecting, the method includes producing an indicator signal indicative of at least one of the first, second, third, and fourth condition. A rotary paint atomizer system is also disclosed. 1. A method of monitoring a rotary paint atomizer , wherein the rotary paint atomizer includes a bell cup rotatable about an axis , having an outer edge spaced apart from the axis , and configured for ejecting a coating composition from the outer edge towards a workpiece; a shroud surrounding the bell cup and configured for ejecting a shaping air adjacent to the outer edge; a motor configured for transmitting the coating composition to the bell cup; and an electrostatic cascade configured for electrically energizing the outer edge so that the coating composition is electrostatically attracted to the workpiece , the method comprising: a target rotational speed of the bell cup about the axis;', 'a target air flow rate of the shaping air ejectable from the shroud;', 'a target torque generatable by the motor; and', 'a target electrostatic current generatable by the electrostatic cascade;, 'determining an operating rotational speed of the bell cup about the axis;', 'an operating air flow rate of the shaping air ejected by the shroud;', 'an operating ...

COATING SYSTEM WITH AN ULTRASONIC HEAD

This coating system () for coating a workpiece (W) with a liquid coating product, includes an ultrasonic spray head () for generating droplets of coating products, an electrode (A) for generating an electrostatic field (E) between the electrode and the ultrasonic spray head () and a high-voltage generator () connected to the electrode for supplying the electrode with high voltage. The shape of the electrode (A) is advantageously configurable on the basis of the geometry of the workpiece (W). 1. A coating system for coating a workpiece with a liquid coating product , the coating system including an ultrasonic head for generating droplets of coating product , wherein the coating system further includes:an electrode for generating an electrostatic field between the electrode and the ultrasonic spray head, anda high-voltage generator connected to the electrode for supplying the electrode with high voltage,2. The coating system according to claim 1 , wherein the shape of the electrode is configurable on the basis of the geometry of the workpiece.3. The coating system according to claim 1 , wherein an edge of the electrode is an image of the contour of the workpiece as seen from the ultrasonic head claim 1 , preferably an exact image of this contour.4. The coating system according to claim 1 , wherein the electrode supports the workpiece and is in contact with the workpiece.5. The coating system according to claim 1 , wherein the electrode is shaped according to the workpiece geometry and supported by a base part which includes the high-voltage generator.6. The coating system of claim 5 , wherein the base part insulates the workpiece from the ground potential claim 5 , preventing any electrical leak from the electrode.7. The coating system of claim 5 , wherein the base part defines an area configured for accommodating electrodes of different shapes.8. The coating system of claim 7 , wherein an electrical contact member is located in the area for connecting the high ...

HEAD AND SYSTEM FOR CONTINUOUSLY MANUFACTURING COMPOSITE HOLLOW STRUCTURE

A head is disclosed for use with a manufacturing system. The head may have a housing that discharges a tubular structure, and a cure enhancer connected to the housing and selectively activated to cure the tubular structure during discharge from the housing. The head may also have a nozzle that discharges a fill material into the cured tubular structure. 1. A head for a manufacturing system , comprising:a housing that discharges a tubular structure;a cure enhancer connected to the housing and selectively activated to cure the tubular structure during discharge from the housing; anda nozzle that discharges a fill material into the cured tubular structure.2. The head of claim 1 , wherein:the tubular structure includes matrix-wetted continuous fibers; andthe cure enhancer is configured to cure the matrix.3. The head of claim 1 , wherein the nozzle discharges the fill material as the cured tubular structure passes over the nozzle.4. The head off claim 1 , further including a fill material supply wand extending from the housing to the nozzle.5. The head of claim 1 , wherein the cure enhancer is located inside of the tubular structure during discharge of the tubular structure.6. The head of claim 5 , wherein the cure enhancer is located inside of the housing and upstream of the nozzle relative to a discharge direction of the tubular structure.7. The head of claim 3 , further including a second cure enhancer that is selectively activated to cure the fill material.8. The head of claim 7 , wherein the second cure enhancer is located at an end of the nozzle opposite the housing.9. The head of claim 1 , further including a diverter that diverts the tubular structure radially outward around the nozzle.10. The head of claim 9 , wherein the diverter is located at least partially inside the housing.11. The head of claim 9 , wherein the cure enhancer is located at least partially inside the diverter.12. The head of claim 1 , further including a drive that rotates the nozzle during ...

SPACER PARTICLE DISTRIBUTION DEVICE

The present disclosure provides a spacer particle distribution device used for distributing spacer particles toward a surface of a glass substrate and comprising: a sealed chamber, and a base, a lift pin and multiple adsorption assemblies disposed in the sealed chamber. The adsorption assemblies are disposed correspondingly on four edge regions of the base. Each adsorption assembly is electrified independently to respectively control electrostatic adsorption force of each adsorption assembly. 1. A spacer particle distribution device used for distributing spacer particles toward a surface of a glass substrate , the spacer particle distribution device comprising:a sealed chamber, an inner wall of the sealed chamber electrified to generate static electricity;a base located in the sealed chamber, located on a bottom of the sealed chamber, and used for bearing the glass substrate;a lift pin located in the sealed chamber, disposed retractably on a surface of the base, and used for lifting the glass substrate; andmultiple adsorption assemblies located in the sealed chamber, disposed correspondingly on four edge regions of the base, each adsorption assembly electrified independently to respectively control electrostatic adsorption force of each adsorption assembly;the adsorption assembly comprising an adsorption plate and an engaging member disposed on a bottom of the adsorption plate, a side of the engaging member engaged with an edge of the base, an end of the adsorption plate connected to the engaging member; anda sub plate disposed retractably on a side of the adsorption plate, a long side of the sub plate paralleling a long side of the adsorption plate.2. The spacer particle distribution device as claimed in claim 1 , wherein the adsorption plate is disposed obliquely claim 1 , an open angle is formed between the adsorption plate and one of the edge regions of the base at a position of the adsorption plate claim 1 , and the open angle faces an outside of the edge of ...

Coating device

Provided is a coating device capable of suppressing condensation from forming on a joint ring that connects a robot arm and a rotary atomization head. The joint ring 20 of this coating device 1 has an insulating member 23 which is positioned between a joint ring body 21 and a cover member 22, positioned so as to cover the joint ring body 21, and positioned so as to be separated from the cover member 22 by only a prescribed distance. In addition, the joint ring 20 is equipped with: a first chamber 230 that connects a first discharge port 212 and a second intake port 221, and is formed between the joint ring body 21 and the insulating member 23; and a second chamber 240 formed between the cover member 22 and the insulating member 23.

SPRAY-COATING GUN FOR SPRAY COATING OBJECTS WITH COATING POWDER

The present invention relates to a spray-coating gun () for the spray coating of objects with coating powder. The front end region of the spray-coating gun () has a coating-powder spray head () and the opposite, rear end region of said spray-coating gun has a coating-powder connection () and at least one compressed-gas connection (). Coating powder can be supplied via the coating-powder connection () to a coating-powder channel () extending to the coating-powder spray head (), while compressed gas can be supplied via the at least one compressed-gas connection () to at least one compressed-gas channel () extending to the front end region of the spray-coating gun (). In order to optimize the coating quality which can be achieved with the spray-coating gun (), it is provided according to the invention that the compressed-gas channel () has at least one compressed-gas branch () via which at least some of the compressed gas added to the compressed-gas channel () is supplied to the coating-powder channel () in order to adjust a powder/air mixture necessary for atomizing at the coating-powder spray head () and/or for homogenizing the coating powder supplied to the coating-powder channel (). 112. A spray-coating gun for spray coating objects with coating powder , wherein the spray-coating gun has a coating powder spray head at its front end region for spraying coating powder and a coating powder connection () as well as at least one compressed gas connection at its opposite rear end region , wherein coating powder can be supplied to a coating powder channel extending to the coating powder spray head via the coating powder connection , and wherein compressed gas can be supplied to at one least compressed gas channel extending to the front end region of the spray-coating gun via the at least one compressed gas connection , wherein:the compressed gas channel comprises at least one compressed gas branch line via which at least a portion of the compressed gas supplied to the ...

Electrostatic Spray System

A system including an electrostatic spray system, including a handheld spray coating device, a rotary atomizer coupled to the handheld spray coating device, wherein the rotary atomizer atomizes a liquid flowing through the handheld spray coating device, and an indirect charging device coupled to the handheld spray coating device, wherein the indirect charging device is configured to electrostatically charge the liquid exiting the rotary atomizer. 1. A system , comprising: a handheld spray coating device;', 'a rotary atomizer coupled to the handheld spray coating device, wherein the rotary atomizer atomizes a liquid flowing through the handheld spray coating device; and', 'an indirect charging device coupled to the handheld spray coating device, wherein the indirect charging device is configured to electrostatically charge the liquid exiting the rotary atomizer., 'an electrostatic spray system, comprising2. The system of claim 1 , wherein the indirect charging device comprises a non-conductive casing comprising an aperture with an interior surface between a first end and a second end.3. The system of claim 2 , wherein the non-conductive casing couples to the rotary atomizer at the first end.4. The system of claim 2 , wherein the indirect charging device comprises a power supply coupled to the non-conductive casing with a conductive member.5. The system of claim 4 , wherein the conductive member circumferentially couples to the non-conductive casing about the second end to electrostatically charge the liquid sprayed by the handheld spray coating device.6. The system of claim 4 , wherein the conductive member is embedded in a groove along the interior surface of the non-conductive casing between the first end and the second end to electrostatically charge the liquid sprayed by the handheld spray coating device.7. The system of claim 4 , comprising a conductive casing coupled to the second end of the non-conductive casing claim 4 , wherein the power supply couples to ...

ELECTROSTATIC ATOMIZING COATING APPARATUS AND COATING METHOD

An electrostatic atomizing coating apparatus and method incorporate a rotary head having a base portion, an open end and a plurality of grooves formed radially on an inner peripheral surface of the open end, an inside diameter of the rotary head increasing from the base portion toward the open end, and a motor configured to rotate the rotary head to discharge a thread-shaped paint. A voltage is applied to the rotary head so as to form an electrostatic field between the open end of the rotary head and an earthed coating target and to electrostatically atomize the thread-shaped paint discharged from the open end. Voltage output from the generator is controlled so as to adjust an intensity of the electrostatic field and to control a particle diameter of the electrostatically atomized thread-shaped paint. 1. An electrostatic atomizing coating apparatus comprising:at least one rotary head having a base portion, an open end and a plurality of grooves formed radially on an inner peripheral surface of the open end, an inside diameter of the rotary head increasing from the base portion toward the open end;a motor configured to rotate the at least one rotary head to discharge a thread-shaped paint from the open end;a generator configured to provide a voltage to the at least one rotary head so as to form an electrostatic field between the open end and a grounded coating target and electrostatically atomize the thread-shaped paint discharged from the open end; anda controller configured to control a voltage output from the generator so as to adjust an intensity of the electrostatic field and control a particle diameter of the electrostatically atomized thread-shaped paint.2. The electrostatic atomizing coating apparatus according to claim 1 , wherein the controller controls the voltage output from the generator so that a value of a current discharged from the open end becomes constant.3. The electrostatic atomizing coating apparatus according to claim 1 , wherein an outer ...

EXTERNAL COATING METHOD AND APPARATUS

An apparatus for and method of coating the external surfaces of slender non-rotating members such as pipe, tube, rebar, wire, cable, coil springs, angle, channel, sheets, strips or bars as they are moving longitudinally through the coating apparatus with a fluid using a single-port or multi-port rotary union and one or more spraying orifices. The apparatus further includes the ability to apply either single component or plural component coatings to said non-rotating, moving members. Said coatings can include various types of paints, varnishes and thermoplastic or thermosetting single component or plural component coating products. Said plural component coating products can be made from urethanes, ureas, epoxies, polyesters, phenolics and other chemical compositions that react rapidly upon mixing of the components thereof. Said coatings can also include foam materials. Said fluid can be in liquid or powder form. 1. An apparatus for coating an outer surface of a non-rotating member with a fluid comprising:a hollow rotary union through which said member can be transported longitudinally;a stationary portion of said rotary union which receives a supply of pressurized fluid;one or more spraying orifices attached to a rotating portion of said rotary union which can rotate about the member being coated as said member is axially transported through the apparatus,wherein the fluid is communicated from the stationary portion of the rotary union to the orifice.2. The apparatus of claim 1 , wherein the orifice is part of a spray gun.3. The apparatus of claim 1 , wherein the stationary portion of said rotary union has not more that four ports receiving fluid.4. The apparatus of claim 4 , wherein the stationary portion of said rotary union has an additional air or flushing port.5. The apparatus of claim 2 , further comprising an adjustment bracket to allow the radial position of the spray gun to be adjusted relative to the axis of rotation of the rotating portion of the rotary ...

ELECTROSTATIC SPRAY DEVICE FOR SPRAYING A LIQUID COATING PRODUCT, AND SPRAY FACILITY COMPRISING SUCH A SPRAY DEVICE

An electrostatic spray device for spraying a liquid coating product, including a rotating bowl and a device for driving the bowl around a rotational axis, the bowl defining a concave surface for distributing the coating product and an edge which limits an area for the spraying the coating product. The spray device includes an electrode that charges by ionisation of drops of the coating product. The electrode is arranged, in relation to the edge and along the rotational axis, opposite the spray area, between the edge and the device for driving the bowl. A second electrode mounted on a stationary body allows the creation of an electrostatic field for transporting drops. A third electrode, which is also mounted on a stationary body, is brought to an intermediate potential between those of the first and second electrodes during the operation of the spray device. 2. The sprayer according to claim 1 , wherein the first electrode is mounted on the bowl claim 1 , radially around the inner part of the bowl that defines the concave distributing surface.3. The sprayer according to claim 2 , wherein a ring made from an insulating or semi-conductive material is inserted claim 2 , axially along the rotation axis claim 2 , between the first electrode and the spraying zone.4. The sprayer according to claim 3 , wherein the ring defines the spraying rim.5. The sprayer according to claim 3 , wherein the ring is inserted between the first electrode and an inner part of the bowl defines the spraying rim.6. The sprayer according to claim 3 , wherein the ring defines a portion of the outer radial surface of the bowl claim 3 , between an edge of the first electrode turned toward the spraying zone and the spraying rim.7. The sprayer according to claim 2 , wherein the inner part of the bowl is metal.8. The sprayer according to claim 2 , wherein the first electrode is provided with at least one ionizing raised portion claim 2 , in particular ionizing points.9. The sprayer according to claim 1 ...

Rotary atomizing head type coating machine

A feed tube is provided in a rotational shaft that is rotated by a motor. The feed tube includes a connecting member that includes a paint supplying port, a tube body including a base end connected to the connecting member and a front end that extends in the rotational shaft toward a rotary atomizing head, a positioning member provided in the front end of the tube body and including a tube positioning hole, and a paint tube including a base end connected to the paint supplying port of the connecting member and a front end inserted through the tube positioning hole of the positioning member. The paint tube is formed of a tubular body in an inside of which a paint passage is formed by using a resin material having water repellency.

ELECTROSTATIC ATOMIZER, AND METHOD FOR ELECTROSTATICALLY ATOMIZING BY USE OF THE SAME

An object of the present invention is to provide an electrostatic atomizer variable in arrangement and configuration while being low in cost and uncomplicated. An electrostatic atomizer includes a spray site, a spray electrode () electrically connectable to the spray site, a reference electrode (), and a power supply () for applying a voltage between the spray electrode () and the reference electrode (). The reference electrode () is arranged such that when a voltage is applied between the spray electrode () and the reference electrode (), matter to be electrostatically atomized is atomized from the spray site. The power supply () monitors an electrical property of the spray site, and adjusts the voltage to be applied between the spray electrode () and the reference electrode () according to a monitored electrical property of the spray site and a predetermined characteristic. The spray electrode () and the reference electrode () are arranged such that an electrical charge of the matter to be atomized from the spray site is counterbalanced by production of at least equal amount of opposite electrical charge at the reference electrode (). 1. (canceled)2. An electrostatic atomizer comprising:a spray site for electrostatically atomizing matter by electrically affecting the matter;a spray electrode electrically connectable to the spray site;a reference electrode being arranged such that when a voltage is applied between the spray electrode and the reference electrode, the matter to be electrostatically atomized is atomized from the spray site; anda power supply applying a voltage between the spray electrode and the reference electrode, monitoring an electrical property of the spray site, and adjusting the voltage to be applied between the spray electrode and the reference electrode according to a monitored electrical property of the spray site,wherein the spray electrode and the reference electrode are further arranged that an electrical charge of the matter to be ...

INDUCTION DEVICE FOR ELECTROSTATIC SPRAY NOZZLE ASSEMBLY

An induction device for electrification of droplets of hydraulic nozzles comprises: an electrode comprising one or more attachment legs; and an induction electrode holder configured to receive the electrode, wherein the one or more attachment legs are fixed within tubular structures of the induction electrode holder, and wherein a finite distance is formed between an outer surface of each attachment leg in the one or more attachment legs and an inner surface of each tube of the tubular structures. 1. An induction device for electrification of droplets of hydraulic nozzles comprising:an electrode comprising one or more attachment legs; andan induction electrode holder configured to receive the electrode, wherein the one or more attachment legs are fixed within tubular structures of the induction electrode holder, and wherein a finite distance is formed between an outer surface of each attachment leg in the one or more attachment legs and an inner surface of each tube of the tubular structures.2. The device according to claim 1 , wherein:the finite distance is large enough to prevent a formation of continuous liquid film.3. The device according to claim 1 , wherein:the electrode has an annular shape.4. The device according to claim 3 , wherein:a ring diameter of the electrode varies between 15 mm and 70 mm.5. The device according to claim 1 , wherein:the electrode has a shape comprising two rods parallel to a plane of flat jets.6. The device according to claim 5 , wherein:spacing between the rods varies between 15 mm and 70 mm.7. The device according to claim 1 , wherein:a voltage on the electrode varies between 0.1 kV to 20 kV.8. The device according to claim 1 , wherein the induction electrode holder comprises dielectric material.9. The device according to claim 8 , wherein the dielectric material comprises deep lateral orifices as the tubular structures.10. A hydraulic spray nozzle assembly comprising:a spray nozzle configured to spray liquid as a thin sheet, the ...

ELECTROHYDRODYNAMIC ATOMIZATION NOZZLE EMITTING A LIQUID SHEET

Embodiments for producing un-agglomerated, monodisperse droplets using a liquid sheet are provided. Nozzles with exit slit openings shape a spray liquid into a thin liquid sheet as the spray liquid exits from the slit opening. Stable multi-jet operation is achieved by including notches along the edge of the slit. The notches separate the liquid sheet into multiple jets to provide anchoring and stable multi jet operation. In some embodiments, the liquid sheet electrospray techniques and nozzles described herein provide high mass throughput and versatile multiplexing spray systems while reducing the engineering effort and high manufacturing cost 1. A nozzle for electrohydrodynamic atomization , said nozzle comprising:an inner rod;an outer tube concentrically aligned with said inner rod;an annular channel defined between said inner rod and said outer tube, said annular channel forming a circular slit at a spray end of said nozzle; andat least one electrically chargeable notch located on at least one of said inner rod and said outer tube proximate said circular slit.2. A nozzle in accordance with claim 1 , wherein said inner rod comprises a central flow channel defined therethrough.3. A nozzle in accordance with claim 2 , wherein said central flow channel is configured to facilitate flow of at least one of a stabilizing gas and a stabilizing liquid therethrough.4. A nozzle in accordance with further comprising an outermost tube concentrically aligned with said inner rod and said outer tube such that an outer flow channel is defined between said outer tube and said outermost tube.5. A nozzle in accordance with claim 4 , further comprising at least one electrically chargeable notch located on said outermost tube.6. A nozzle in accordance with claim 1 , wherein said at least one electrically chargeable notch is located on only one of said inner rod and said outer tube.7. A nozzle in accordance with claim 1 , wherein said inner rod comprises a center piece at the spray end ...

Painting method and painting installation for painting a component with a character edge

A component is conveyed in a conveyor direction through a painting installation by conveyor. The component surface of the component to be painted is subdivided into surface painting modules which lie one behind the other in the conveyor direction. The individual painting modules of the component surface are painted one after the other using a multi-axis painting robot that has an atomiser. The painting robot guides the atomiser, within each one painting module, along a painting path and across the component surface of the painting module. The painting path has at least one path section running transverse to the component edge. Within the painting module, the painting path can comprise at least one path section that runs substantially parallel to the component edge.

ROTARY ATOMIZATION TYPE PAINTING DEVICE AND ATOMIZATION HEAD

A rotary atomization type painting device includes an atomization head that supplies paint from a paint supply machine. The atomization head has an outer member that includes a truncated conical body, and an inner member that is disposed inside the outer member. The inner member has an annular protruding part that protrudes toward a large diameter side opening. The paint is lead out from a plurality of lead-out holes of the inner member to a root of the annular protruding part. At a root position in an axial direction, an angle in a lead-out direction of each of the lead-out holes with respect to an axis, and an angle of an inner surface of the annular protruding part with respect to the axis are made equal. 1. A rotary atomization type painting device comprising:an atomization head having an outer member that includes a truncated conical body having both open ends on a large diameter side and a small diameter side, an inner member that is disposed inside the outer member, and a plurality of lead-out holes that are formed in a peripheral part of the inner member, the atomization head being configured to lead out paint supplied from the small diameter open end of the outer member to the inner member, toward the large diameter open end of the outer member through the lead-out holes, and atomize the paint from the large diameter open end; anda paint supply machine that engages with the small diameter open end, and supplies the paint to the inner member while rotating the atomization head around an axis of the cylindrical body, whereinthe inner member has an annular protruding part that protrudes so as to gradually thin toward the large diameter open end, and is formed such that an outer surface of the inner member is closely adhered to an inner surface of the outer member, andthe lead-out holes and the annular protruding part are formed such that an angle in a lead-out direction of each of the lead-out holes with respect to the axis of the cylindrical body, and an ...

Electrostatic spray apparatus

An electrostatic spray apparatus includes: a voltage application device; a liquid spraying section including a nozzle for spraying a liquid a charged state by utilizing an electrostatic force generated by the voltage application device; and a coating prevention electrode for generating an electric field between the coating prevention electrode and a portion of the object to be coated on which the liquid is not to be coated. The voltage application device applies a voltage such that, when a potential of the object to be coated is a reference potential, a potential of the liquid spraying section assumes a first potential different from the reference potential, and a potential of the coating prevention electrode assumes a second potential. The second potential is a potential different from the reference potential, and a direction of polarity of the second potential is to the same as a direction of polarity of the first potential.

COATING DEVICE

A coating device includes a rotary head, a power supply part that applies a voltage to the rotary head, and a control part that controls the power supply part. The rotary head is configured so that a coating material is electrostatically atomized. The control part is configured so as to calculate a discharge current based on a total current flowing from the power supply part to the rotary head and a leak current, and control the power supply part based on the discharge current. 1. A coating device comprising:a rotary head;a drive part that rotates the rotary head;a coating material supply pipe that supplies a coating material to the rotary head;a power supply part that applies a voltage to the rotary head; anda control part that controls the power supply part, wherein:the rotary head includes a diffusion surface where the coating material is diffused by centrifugal force to an outer edge portion, and a plurality of groove portions provided in the outer edge portion, the rotary head being configured so that the thread-shaped coating material is discharged from the groove portions, and that the thread-shaped coating material is electrostatically atomized; andthe control part is configured so as to calculate a discharge current based on a total current flowing from the power supply part to the rotary head, and a leak current that leaks from the rotary head through the coating material supply pipe, and control the power supply part based on the discharge current, the discharge current being discharged from the rotary head towards a workpiece that is grounded.2. The coating device according to claim 1 , wherein the control part is configured so as to control an output voltage of the power supply part so that the discharge current reaches a given target value.3. The coating device according to claim 2 , further comprising a moving part that moves the rotary head and the workpiece relative to each other claim 2 , wherein the moving part is configured so as to prohibit the ...

ELECTROSTATIC COATING DEVICE

An electrostatic coating device that can suppress the arising of corrosion in insulating members and the like surrounding coating material supply and discharge paths because of leakage arising between the paths. An electrostatic coating device is characterized by being provided with: a body part; a head part; a linking part that links the body part and the head part; a coating material path that is a first path disposed from the body part to the head part, wherein a high-voltage is applied along with the coating material (first fluid) being fed; a washing fluid path that is a second path disposed from the body part to the head part, wherein a washing fluid (second fluid) is fed along with a connection to a ground; and a displacement part for displacing all or part of air retained between the coating material path and a washing fluid path with new air. 1. An electrostatic coating device comprising:a body part;a head part;a coupling part that couples the body part and the head part;a first path disposed to span the body part and the head part, through which a first fluid is fed, and to which high voltage is applied;a second path disposed to span the body part and the head part, through which a second fluid is fed, and is grounded to earth; anda substitution part that substitutes the entirety or part of air stagnating between the first path and the second path with new air.2. The electrostatic coating device according to claim 1 , wherein the first path includes:a body-side first path disposed at a side of the body part;a head-side first path disposed at a side of the head part; anda first connecting part disposed at the coupling part, and connecting the body-side first path and the head-side first path;wherein the second path includes:a body-side second path disposed at a side of the body part;a head-side second path disposed at a side of the head part; anda second connecting part disposed at the coupling part, and connecting the body-side second path and the head- ...

Powder coating spray gun reservoir assembly

A powder coating spray gun reservoir assembly, including a first section including a first end, a second end, and a first lateral wall extending between the first end and the second end, a second section including a third end engaged with the second end, a fourth end, and a second lateral wall extending between the third end and the fourth end, a screen removably arranged between the first section and the second section, and an agitator rotatably arranged in the first section, wherein the agitator is operatively arranged to rotate relative to the screen to displace powder from the first section to the second section.

ELECTROSTATIC SPRAYING SYSTEM FOR AGRICULTURE

In an example, an electrostatic spray module includes a base unit formed of a sturdy, rigid, liquid impermeable, electrically insulative material and a cover formed of a sturdy, rigid, liquid impermeable, electrically insulative material and sized for covering the base unit. The base unit and the cover configured for mating engagement together so as to form a liquid impermeable, electrically insulative, protective enclosure when the module is in a closed state to keep the internal components clean and dry and prevents system form high voltage shorting and prevents leakage of current by inhibiting a high voltage from establishing a return path to ground. The spray module includes a quick access latch and gasket system—with no tools required to open for maintenance. The module includes integral place holders for components including air supply manifold and variable voltage supply to provide a selectable high voltage level to accommodate various spraying application. 1. An electrostatic spray system comprising:a rigid boom movable by a vehicle;at least two spray modules removably mountable to the boom;a junction box mountable to the vehicle for controlling the spray modules; andfor each of the spray modules, a cable extending from the junction box to the corresponding spray module, the cable including ground, low voltage, and valve control connections; andwherein the valve control connection is operable to turn on/off a liquid supply valve mounted on the corresponding module.2. The electrostatic spray system of wherein each of the spray modules includes a variable power supply coupled to receive the low voltage as an input and arranged to generate a selected high voltage DC signal inside the corresponding spray module to form an electrostatic spray from the module during operation.3. The electrostatic spray system of wherein the high voltage is selectable within a range of approximately 300 volts to 2500 volts.4. The electrostatic spray system of wherein the junction ...

Electrostatic atomizer for liquids and method for operating an electrostatic atomizer

The invention relates to an electrostatic atomizer for liquids, in particular, cosmetics, the atomizer comprising a housing, an electrical energy source, an activation mechanism, control electronics, a high-voltage source, a liquid tank, a delivery device and atomizer nozzles. The delivery device is arranged here between the liquid tank and the atomizer nozzles, the delivery device being connected to the liquid tank by a first line and the delivery device being connected to the atomizer nozzles by a second line, so that the delivery device sucks liquid out of the liquid tank and delivers it to the atomizer nozzles.

ELECTROSTATIC ATOMIZER FOR LIQUIDS

An electrostatic atomizer for liquids, in particular cosmetics, is proposed, at least comprising a housing, an electrical energy source, an activation mechanism, control electronics, a high-voltage source, a liquid tank, a delivery device and atomizer nozzles, the control electronics and the high-voltage source being arranged in an interior space of the housing. It is provided that the control electronics either comprise at least one sensor or comprise at least one transmitting and/or receiving module or comprise at least one sensor and at least one transmitting and/or receiving module. 1. An electrostatic atomizer for liquids , at least comprising:a housing,an electrical energy source,an activation mechanism,control electronics,a high-voltage source,a liquid tank,a delivery device,atomizer nozzles,the control electronics and the high-frequency source being arranged in an interior space of the housing,wherein the control electronicseither comprise at least one sensoror comprise at least one transmitting and/or receiving moduleor comprise at least one sensor and at least one transmitting and/or receiving module.2. The atomizer as claimed in claim 1 , wherein at least one sensor is formed for detecting the voltage and/or the current intensity of the high-voltage source claim 1 , in particular for detecting the loading of the high-voltage source.3. The atomizer as claimed in claim 1 , wherein the at least one sensor is formed for detecting the intensity and/or the wavelength of incident light.4. The atomizer as claimed in claim 1 , wherein the at least one sensor is formed for detecting the air temperature and/or the humidity of the air in the surrounding area of the atomizer.5. The atomizer as claimed in claim 1 , wherein the at least one transmitting and/or receiving module can be connected via a radio link to a cell phone or tablet.6. The atomizer as claimed in claim 1 , wherein the energy source is formed as a chargeable electrical store and the atomizer comprises ...

LIQUID TANK FOR AN ATOMIZER

Liquid tank for an atomizer for liquids, in particular, an electrostatic atomizer, the liquid tank comprising a receiving space for a liquid and a delimiting wall for delimiting the receiving space with respect to the surrounding area, the liquid tank comprising a self-closing valve for connection to the atomizer. 1. A liquid tank for an atomizer for liquids , in particular an electrostatic atomizer , the liquid tank comprising a receiving space for a liquid and a delimiting wall for delimiting the receiving space with respect to the surrounding area ,wherein the liquid tank comprises a self-closing valve for connection to the atomizer.2. The liquid tank as claimed in claim 1 , wherein the delimiting wall and/or a housing surrounding the delimiting wall consists of insulating material claim 1 , in particular forms an electrostatic shielding claim 1 , the material preferably having a dielectric strength of at least 30 kV and/or having in particular a wall thickness of at least 1 mm.3. The liquid tank as claimed in claim 2 , wherein the delimiting wall and/or a housing surrounding the delimiting wall comprises a contacting to a reference potential with respect to a high voltage claim 2 , for example a common negative pole or a common ground potential of a high-voltage source and a storage battery claim 2 , the contacting having at least one contact for connecting to the electrostatic atomizer.4. The liquid tank as claimed in claim 1 , wherein the liquid tank comprises a detector for identifying (coding) the liquid tank claim 1 , the detector being formed in particular as mechanical coding claim 1 , preferably for forming an interlocking engagement claim 1 , and/or electronic coding claim 1 , for example in the form of an RFID marking claim 1 , in particular for transmitting information about the liquid tank (reading) and for receiving information about the liquid tank (writing) claim 1 , and/or electrical coding claim 1 , in particular for forming electrical line ...

MULTI-HEAD ELECTROSTATIC PAINTING APPARATUS

An electrostatic painting apparatus is provided. The electrostatic painting apparatus includes a body, a plurality of rotary atomizers included at least partially within the body, wherein each rotary atomizer is configured to electrostatically apply a coating material to a conductive substrate, and wherein each rotary atomizer is independently controllable, and a single high voltage cascade coupled to the plurality of rotary atomizers and configured to provide a high voltage to each rotary atomizer such that the same voltage is applied to each rotary atomizer. 1. An electrostatic painting apparatus comprising:a body;a plurality of rotary atomizers included at least partially within said body, wherein each rotary atomizer is configured to electrostatically apply a coating material to a conductive substrate, and wherein each rotary atomizer is independently controllable; anda single high voltage cascade coupled to said plurality of rotary atomizers and configured to provide a high voltage to each rotary atomizer such that the same voltage is applied to each rotary atomizer.2. An electrostatic painting apparatus in accordance with claim 1 , wherein said plurality of rotary atomizers comprise at least three rotary atomizers arranged in an inline configuration.3. An electrostatic painting apparatus in accordance with claim 1 , wherein said plurality of rotary atomizers comprise three rotary atomizers arranged in a T-shaped configuration.4. An electrostatic painting apparatus in accordance with claim 1 , wherein said single high voltage cascade is an internal high voltage cascade included at least partially within said body.5. An electrostatic painting apparatus in accordance with claim 1 , further comprising:a plurality of solvent flush valves;a plurality of coating material dump valves; anda plurality of coating material trigger valves, wherein each rotary atomizer is coupled in flow communication with one of said solvent flush valves, one of said coating material dump ...

ELECTROSTATIC ATOMIZING DEVICE

The electrostatic atomizing device according to the present invention includes: an electrode unit for applying an electric field to a liquid; and a voltage applying device to apply a drive voltage to the electrode unit in order to apply the electric field to the liquid to cause electrostatic atomization of the liquid. The drive voltage oscillates at a predetermined frequency. A basic value defining a basis for oscillation of the drive voltage is negative. 1. An electrostatic atomizing device , comprising:an electrode unit for applying an electric field to a liquid; anda voltage applying device to apply a drive voltage to the electrode unit in order to apply the electric field to the liquid so as to cause electrostatic atomization of the liquid,the drive voltage being a voltage oscillating at a predetermined frequency, anda basic value which defines a basis for oscillation of the drive voltage being negative.2. The electrostatic atomizing device according to claim 1 , whereinthe basic value is a central value of oscillation of the drive voltage or is an average value of the drive voltage in one period of the drive voltage.3. The electrostatic atomizing device according to claim 1 , whereina maximum value of the drive voltage is zero or more.4. The electrostatic atomizing device according to claim 3 , whereinthe drive voltage is an alternating current voltage.5. The electrostatic atomizing device according to claim 1 , whereina maximum value of the drive voltage is negative.6. The electrostatic atomizing device according to claim 1 , whereina maximum value of the drive voltage is greater than a discharge start voltage defined as a negative voltage causing the electrostatic atomization of the liquid to start.7. The electrostatic atomizing device according to claim 1 , wherein:the electrode unit includes a discharge electrode to hold the liquid; andthe voltage applying device is configured to apply the drive voltage to the discharge electrode.8. The electrostatic ...

Electrostatic coating apparatus

A rotary atomizing head ( 4 ) is mounted on a fore end side of a motor ( 3 ). A shaping air ring ( 9 ) having a plurality of air outlet holes ( 10 ) at fixed intervals is provided on a rear side of the rotary atomizing head ( 4 ). Outer surfaces of the air motor ( 3 ) and outer surfaces of the shaping air ring ( 9 ) are enshrouded over the entire circumference by a cover member ( 7 ) formed of an electrically insulating material. An external electrode assembly ( 13 ) is provided radially outwardly of the cover member ( 7 ). An annular projecting portion ( 16 ) which projects forward is provided on the shaping air ring ( 9 ) over the entire circumference. The air outlet holes ( 10 ) are open in a fore distal end of this annular projecting portion ( 16 ). As a result, a corona discharge can be generated by allowing an electric field to be concentrated at the fore distal end of the annular protecting portion ( 16 ).

Induction Charging Nozzle Assembly and Method of Its Use

An induction charging nozzle assembly includes two branches of one or two electrodes, a nozzle and a power supply. The nozzle is positioned to spray an atomized spray of a liquid between parallel portions of the electrode branches. The power supply applies an electrical potential to the electrode(s) relative to the (grounded) liquid so that the liquid acquires an electrical charge when sprayed from the nozzle. Preferably, the nozzle is a hydraulic flat fan nozzle. The atomized spray preferably has a volume mean diameter between 80 microns and 140 microns and a charge-to-mass ratio of at least 0.8 mC/kg. 1. An induction charging nozzle assembly comprising:(a) an electrode including two branches;(b) a nozzle positioned relative to said electrode so as to spray an atomized spray of a liquid between said branches, said branches being substantially parallel at least along said portions thereof between which said spray passes; and(c) a power supply for applying an electric potential to said electrode relative to said liquid so that said liquid acquires an electrical charge when sprayed from said nozzle.2. The induction charging nozzle assembly of claim 1 , wherein a gap between said branches in said substantially parallel portion of said branches is between about 20 mm and about 40 mm.3. The induction charging nozzle assembly of claim 1 , wherein a distance between an orifice of said nozzle and a surface defined by said branches in said substantially parallel portion of said branches is between about 10 mm and about 30 mm.4. The induction charging nozzle assembly of claim 3 , wherein said distance is between about 16 mm and about 22 mm.5. The induction charging nozzle assembly of claim 1 , further comprising:(d) an air blower, separate from said nozzle, for directing a stream of air onto said branches.6. The induction charging nozzle assembly of claim 5 , wherein said nozzle is outside of said air blower.8. The induction charging nozzle assembly of claim 1 , wherein said ...

DROPLET OSCILLATION DEVICE AND DROPLET OSCILLATION METHOD

A droplet oscillation device includes upper and lower electrodes, a changing mechanism, a sensor and a controller. The lower electrode is configured to support a substrate thereon. The changing mechanism is configured to change a distance between the upper and lower electrodes. The sensor is configured to detect a droplet formed above a surface of the substrate opposite the upper electrode. The controller is configured to vary an applied voltage between the upper and lower electrodes to oscillate the droplet, and to determine whether the droplet is detected by the sensor. The controller is configured to respectively determine whether the droplet is detected under a plurality of conditions for which a frequency of the applied voltage or the distance are different, and to oscillate the droplet at the frequency and the distance of a condition for which the droplet is detected and for which the distance is greatest. 1. A droplet oscillation device comprising:an upper electrode;a lower electrode configured and arranged to support a substrate thereon;a changing mechanism configured and arranged to change a distance between the upper electrode and the lower electrode opposite each other;a sensor configured and arranged to detect a droplet formed above a surface of the substrate opposite to the upper electrode; anda controller configured to vary an applied voltage applied between the upper electrode and the lower electrode to oscillate the droplet, and to determine whether or not the droplet is detected by the sensor, the controller being configured to respectively determine whether or not the droplet is detected by the sensor under a plurality of conditions for which a frequency of the applied voltage or the distance are different, and to oscillate the droplet at the frequency and the distance of a condition among the plurality of conditions for which the droplet is detected by the sensor and for which the distance is greatest.2. The droplet oscillation device according to ...

ROTARY ATOMIZING HEAD TYPE COATING MACHINE

A rotary atomizing head () is provided with an outer peripheral surface washing passage () open onto anatomizing head outer peripheral surface () for causing wash fluid supplied from a feed tube () to flow out into an annular clearance () between the rotary atomizing head () and a shaping air ring (). An outflow opening (C) of an outflow passage (C) constituting the outer peripheral surface washing passage () is provided in a position closer to the backside into the annular clearance () by a length dimension (L) than a front end surface (A) of a front ring section () constituting the shaping air ring (). Further, the outflow opening (C) opens to the annular clearance () in an angle (α) that is an acute angle to the atomizing head outer peripheral surface (). 1. A rotary atomizing head type coating machine comprising:{'b': 3', '33, 'an air motor (, ) that uses compressed air as a power source;'}{'b': 5', '35', '3', '33', '3', '33, 'a hollow rotational shaft (, ) that is rotatably supported by said air motor (, ) and a tip end of which projects to a front side from said air motor (, );'}{'b': 6', '36', '5', '35', '5', '35, 'a feed tube (, ) that extends to the tip end of said rotational shaft (, ) through in said rotational shaft (, ) to supply paint or wash fluid;'}{'b': 7', '37', '7', '37', '5', '35', '7', '37', '7', '37', '7', '37, 'a rotary atomizing head (, ) a base end side of which is formed of a cylindrical section (A, A) mounted to the tip end of said rotational shaft (, ) and a portion closer to a front side than said cylindrical section (A, A) of which is formed of a cup section (B, B) enlarged in a cup shape to spray paint from a tip end of said cup section (B, B);'}{'b': 15', '44', '7', '37', '17', '46', '13', '42', '7', '37', '20', '49', '18', '19', '47', '48', '17', '46, 'a shaping air ring (, ) that is arranged on an outer peripheral side of said rotary atomizing head (, ), has a ring inner peripheral surface (B, B) facing an atomizing head outer ...

ELECTROSTATIC COATING HANDGUN AND ELECTROSTATIC COATING METHOD

An electrostatic coating handgun sprays electrically charged atomized paint onto an object to be coated. The electrostatic coating handgun includes: a rotating head; a motor that applies rotational power to the rotating head; a high voltage generator that applies a voltage to the paint; a housing supporting the rotating head with a tip end of the rotating head being exposed, and housing the motor and the high voltage generator; and a grip portion to be held by an operator. When a current value discharged from the rotating head increases due to movement of the rotating head caused by an operation by the operator, a voltage control device reduces an output voltage of the high voltage generator and a motor control device reduces a rotational speed of the motor. 1. An electrostatic coating handgun that sprays electrically charged atomized paint onto an object to be coated , the electrostatic coating handgun comprising:a rotating head having on a tip end of the rotating head a groove through which the paint is discharged;a motor configured to apply rotational power to the rotating head;a high voltage generator configured to apply a voltage to the paint;a housing supporting the rotating head with the tip end of the rotating head being exposed, and housing the motor and the high voltage generator;a grip portion to be held by an operator;a voltage control device configured to reduce an output voltage of the high voltage generator when a current value discharged from the rotating head increases due to movement of the rotating head caused by an operation by the operator; anda motor control device configured to reduce a rotational speed of the motor when the current value discharged from the rotating head increases due to the movement of the rotating head caused by the operation by the operator.2. The electrostatic coating handgun according to claim 1 , wherein the voltage control device is configured to control the output voltage of the high voltage generator to zero when an ...

ELECTROSTATIC COATING HANDGUN

An electrostatic coating handgun configured to spray electrically charged atomized paint onto a workpiece. The electrostatic coating handgun includes: a body portion extending in a longitudinal direction, the longitudinal direction being the same direction as a spraying direction; a grip portion to be held by an operator, the grip portion extending downward from a rear part of the body portion; a rotating head configured to emit the paint, the rotating head being rotatably supported by a front end of the body portion; an air motor configured to apply rotational power to the rotating head, the air motor being located behind the rotating head in the body portion; and a high voltage generator configured to apply a voltage to the paint to be emitted from the rotating head. The air motor is located forward of the grip portion, whereas the high voltage generator is located above the grip portion. 1. An electrostatic coating handgun configured to spray electrically charged atomized paint onto an object to be coated , the electrostatic coating handgun comprising:a body portion extending in a longitudinal direction, the longitudinal direction being the same direction as a spraying direction;a grip portion to be held by an operator, the grip portion extending downward from a rear part of the body portion;a rotating atomizing head configured to emit the paint, the rotating atomizing head being rotatably supported by a front end of the body portion;an air motor configured to apply rotational power to the rotating atomizing head, the air motor being located behind the rotating atomizing head in the body portion; anda high voltage generator configured to apply a voltage to the paint to be emitted from the rotating atomizing head, wherein the air motor is located forward of the grip portion, whereas the high voltage generator is located above the grip portion.2. The electrostatic coating handgun according to claim 1 , wherein a paint flow path through which the paint is supplied ...

ELECTROSPINNING DEVICES AND SYSTEMS AND METHODS THEREOF

A portable, hand-held electrospinning or electrospraying device and system, method, and portions thereof are described. Such device can be for electrospinning or electrospraying a predetermined solution toward a deposit surface. The device can have a durable portion, a semi-durable portion, and a consumable portion. The consumable portion can be received and held by the semi-durable portion, and the semi-durable portion holding the consumable portion can be removably coupled to the durable portion. 1. A portable , hand-held device for electrospinning or electrospraying toward a deposit surface a predetermined solution formulated for the device , the device comprising:a durable portion; anda semi-durable portion configured to removably receive therein a consumable portion,wherein the semi-durable portion is configured to be removably coupled to the durable portion, 'a user control interface configured to receive manual input from a user to control a drive mechanism and application of the high voltage to at least one electrode to create an electric field for application to the solution to electrospin or electrospray the solution from a nozzle of the semi-durable portion toward the deposit surface,', 'wherein the durable portion is configured to provide a high voltage to the semi-durable portion and includes the nozzle, which is configured to output the solution from a nozzle tip thereof, and', 'the at least one electrode, which is inside the nozzle,, 'wherein the semi-durable portion is configured to provide the high voltage to the at least one electrode and includes a hollow tube,', 'a conductive body portion surrounding the hollow tube such that a portion of the hollow tube extends from a first side of the conductive body portion,, 'wherein the at least one electrode includeswherein the conductive body portion forms at least one secondary electrode, andwherein a second side of the conductive body opposite the first side corresponds to an outward-facing side of a ...

ELECTROSTATIC ROTARY PROJECTOR FOR COATING PRODUCT AND SPRAYING INSTALLATION COMPRISING SUCH A PROJECTOR

An electrostatic rotary sprayer for a coating product, including a spraying cup, a body, a drive turbine assembled in the body and configured to rotate the spraying cup about an axis of rotation defined by the body. The sprayer also includes electrodes for charging the coating product sprayed by the spraying cup, these electrodes being assembled on a ring attached on the body and each supplied with high voltage through a resistance. Each resistance extends axially outside the ring and is equipped, at its end opposite the electrode that it supplies, with a first electrical connection plug on a second plug of corresponding geometry provided on the body, with a movement parallel to the axis of rotation, and in that the ring is configured to be assembled and connected on the body, or disassembled and disconnected from the body while being equipped with electrodes and resistances. 1. An electrostatic rotary sprayer for coating product , comprising:a spraying cup;a body;a ring attached to said body;a drive turbine assembled in said body and configured to rotate said spraying cup about an axis of rotation defined by said body; andelectrodes for charging the coating product sprayed by said spraying cup, the electrodes being assembled on said ring and each electrode supplied with high voltage through a resistance, wherein each resistance extends axially outside said ring and is equipped, at its end opposite the electrode that it supplies, with a first electrical connection plug for connection on a second plug of corresponding geometry provided on said body, with a movement parallel to the axis of rotation, and wherein said ring is configured to be assembled and connected on said body, or disassembled and disconnected from said body while being equipped with said electrodes and resistances.2. The sprayer according to claim 1 , wherein each resistance is mounted in a sleeve equipped claim 1 , at a first end claim 1 , with one of said electrodes claim 1 , and at a second end ...

METHOD FOR PRODUCING AN OPTIMIZED COATING, AND COATING WHICH CAN BE OBTAINED USING SAID METHOD

Described herein is a method for producing at least one coating (B1) on a substrate, including provision of a coating material composition (BZ1) (1), determination of a mean filament length of filaments formed on rotational atomization of the coating material composition (BZ1) provided as per step (1) (2), reduction of the determined mean filament length (3), application of at least the coating material composition (BZ1) obtained after step (3), with reduced mean filament length, to a substrate, to form at least one film (F1) (4), and physical curing, chemical curing and/or radiation curing at least of the at least one film (F1) formed on the substrate as per step (4), to produce the coating (B1) on the substrate (5). Also described herein is a coating (B1) located on a substrate and obtainable by means of this method. 1. A method for producing at least one coating (B1) on a substrate , the method comprising:(1) provision of a coating material composition (BZ1),(2) determination of a mean filament length of filaments formed on rotational atomization of the coating material composition (BZ1) provided as per step (1),(3) reduction of the mean filament length, determined as per step (2), of the filaments formed on rotational atomization of the coating material composition (BZ1),(4) application of at least the coating material composition (BZ1) obtained after step (3), with reduced mean filament length, to a substrate, to form at least one film (F1), and(5) physical curing, chemical curing and/or radiation curing at least of the at least one film (F1) formed on the substrate by application of the coating material composition (BZ1) as per step (4), to produce the coating (B1) on the substrate.2. The method according to claim 1 , wherein the coating (B1) is part of a multicoat paint system on the substrate.3. The method according to claim 1 , wherein the coating (B1) represents a basecoat of a multicoat paint system on the substrate.4. The method according to claim 1 , ...

METHOD FOR OPERATING A ROTARY ATOMIZER, SPRAY HEAD, AND ROTARY ATOMIZER WITH SUCH A SPRAY HEAD

A bell plate is rotated about a rotational axis, and coating material is supplied to a discharge surface of the bell plate such that the coating material is projected away from the bell plate. A working fluid is blown at least temporarily as a transonic or supersonic flow onto the coating material coming from the bell plate by means of a dispensing device. Furthermore, a spray head for a rotary atomizer is provided for applying a coating material to an object, having a bell plate which can be rotated about a rotational axis and which has a discharge surface, wherein coating material can be supplied to the discharge surface such that the coating material is projected away from the bell plate. A dispensing device which can blow a working fluid at least temporarily as a transonic or supersonic flow onto the coating material coming from the bell plate. 1. Method for operating a rotary atomizer , with which a coating material is applied to an object comprising:rotating a bell disc about a rotational axis and coating material is supplied to a flow-off surface of the bell disc in such a way that coating material is hurled away from the bell disc,whereina working fluid is blown at least temporarily as a transonic or supersonic flow onto coating material coming from the bell disc by means of a discharge device.2. Method according to claim 1 , wherein the working fluid is blown in the direction of a breakaway edge of the bell disc.3. Method according to claim 1 , wherein the working fluid is blown onto coating material separating from a breakaway edge of the bell disc.4. Nozzle head for a rotary atomizer for applying a coating material to an object comprising:a bell disc which is rotatable about a rotational axis and has a flow-off surface which can be supplied with coating material in such a way that coating material is hurled away from the bell disc,whereina discharge device is present, by means of which a working fluid can be blown at least temporarily as a transonic or ...

PAINTING DEVICE

A painting device is provided with: a bell-shaped cup for discharging paint; a housing for holding the cup so as to be freely rotatable; and first tip openings disposed on the outside in the radial direction on the base end side of the tip side outer peripheral edge of the cup and throwing paint onto a workpiece by spraying shaping air in the direction of the tip. When a tangent line that is tangent to the tip side outer peripheral edge of the cup from a first tip opening is drawn in a front view of the painting device, the first tip opening sprays shaping air at an inclination more to the inside in the radial direction of the cup than the tangent line. 1. A painting device comprising:a bell-shaped cup configured to discharge paint;a housing configured to rotatably hold the cup; anda jetting port that is provided in the housing and located on a radially outward side and a proximal end side of a distal-end-side outer peripheral edge of the cup, the jetting port being configured to jet out shaping air in a distal-end direction to thereby spray the discharged paint toward a workpiece,wherein if a circumscribed tangent which is tangent to the distal-end-side outer peripheral edge of the cup is drawn from the jetting port as viewed in a front view of the painting device, the shaping air is jetted out from the jetting port in a direction inclined radially inwardly of the cup with respect to the circumscribed tangent.2. The painting device according to claim 1 , wherein claim 1 , in the jetting port when viewed in the front view claim 1 , an angle of inclination (α) of a jet direction of the shaping air with respect to an intersection-point tangent that is tangent to the distal-end-side outer peripheral edge at an intersection point of the jet direction of the shaping air and the distal-end-side outer peripheral edge of the cup is set so as to be smaller than or equal to 30°.3. The painting device according to claim 1 , wherein claim 1 , within an area from the jetting ...

ELECTRODE ASSEMBLY FOR AN ELECTROSTATIC ATOMIZER

Various exemplary illustrations of an electrode assembly for an electrostatic atomizer, for example for a rotation atomizer, and exemplary methods of making and/or using the same, are disclosed. An exemplary electrode assembly may not include an electrode holder arrangement for holding at least one electrode creating an electrostatic field about a symmetrical axis, wherein there is dielectric material for influencing a discharge current component extending in the direction of the symmetrical axis. 152.-. (canceled)53. An electrode assembly for an electrostatic atomizer , the atomizer having an axis of symmetry and having a first housing and a second housing and an electrode holding area established by a difference in diameter between the first and second housings , the electrode holding area including a first thread , the electrode assembly comprising:an annular electrode holding device, configured to fit around at least the first housing and for holding a plurality of electrodes that generate an electrostatic field, the electrode holding device including a second thread that engages with the thread of the electrode holding area to threadedly connect the electrode holding device to the housing,wherein the first and second threads are coaxial to an axis of symmetry and form a labyrinth and the labyrinth is defined by a dielectric material and is configured to extend a discharge current path in a direction of the axis of symmetry.54. Electrode assembly according to claim 53 , wherein an angle between the electrode and the axis of symmetry is greater than 40° and less than 70°.55. Electrode assembly according to claim 53 , wherein the thread of the connection area is formed from the dielectric material.56. Electrode assembly according to claim 53 , wherein the connection area further comprises at least one screen for forming the labyrinth claim 53 , wherein the at least one screen is spaced from a resistor located in a connection area claim 53 , wherein the resistor is ...

ENHANCING STABILITY AND THROUGHPUT OF AN ELECTROHYDRODYNAMIC SPRAY

Disclosed herein is an emitting device for an electrospray system. The emitting device may include a surface extender having a lower surface with a central through hole, and a capillary that may pass through the central hole and extend beyond the lower surface of the surface extender to define a nozzle. An electrospray liquid may be pumped through the capillary and may be emitted from the nozzle. 2. An emitting device for an electrospray system , the device comprising:a surface extender having a lower surface with a central hole thereon from a top-view, the surface extender having a circular shape from the top-view; anda capillary passing through the central hole and extending beyond the lower surface of the surface extender to define a nozzle,wherein the capillary is configured to pass an electrospray liquid that is pumped through the capillary and to emit the electrospray from the nozzle.3. The emitting device of claim 2 , wherein the lower surface of the surface extender is a curved surface.4. The emitting device of claim 3 , wherein the curved surface is curved in a shape of a section of an exterior of a sphere.5. The emitting device of claim 4 , wherein the sphere has a maximum diameter in a range of 2 to 9 times an outer diameter of the capillary.6. The emitting device of claim 3 , wherein the curved surface is curved in a shape of a section of the exterior of a paraboloid.7. The emitting device of claim 6 , wherein the paraboloid has a maximum diameter in a range of 5 to 10 times an outer diameter of the capillary.8. The emitting device of claim 3 , wherein the curved surface is curved in a shape of a section of an exterior of an ellipsoid.9. The emitting device of claim 8 , wherein the ellipsoid has a maximum diameter in a range of 5 to 10 times an outer diameter of the capillary.10. The emitting device of claim 2 , wherein the capillary extends beyond the lower surface of the surface extender by a distance in a range of one tenth to one of an outer diameter ...

PULSE WIDTH MODULATING SPRAYING SYSTEM

A liquid spraying system having an electrically operated pulse width modulation control for directing a modulated liquid discharge based upon frequency and duty cycle of a reciprocally operated liquid control valve. The spray nozzle assembly includes a nozzle body having an inwardly converging conical chamber communicating between an upstream liquid directing plate and a downstream liquid discharge passage. The liquid directing plate is formed with a one or more rings of circumferentially spaced liquid directing passages angularly oriented with respect to a central liquid flow axis of the nozzle body for directing liquid discharging from said nozzle body discharge passage into a predetermined conical spray pattern. 1. A liquid spraying system comprising:a housing having a liquid inlet for connection to a pressurized liquid supply and a downstream liquid outlet;an electrically operated pulse width modulation control having a valve reciprocally moveable with respect to said liquid outlet for controlling the direction of a modulated liquid discharge from said liquid outlet based upon frequency and duty cycle of valve movement;a spray nozzle assembly mounted downstream of said liquid outlet comprising a nozzle body and an upstream liquid directing plate;said nozzle body defining a conical chamber converging inwardly in a downstream direction that communicates with a discharge passage of said nozzle body;said liquid directing plate being formed with at least one ring of circumferentially spaced liquid directing passages about a central flow axis of the nozzle body angularly oriented with respect to the central flow axis for directing pulse width modulated liquid from said housing liquid outlet into said nozzle body conical chamber for discharge from the nozzle body discharge passage in a conical spray pattern.2. The liquid spraying system of in which said liquid directing passages of said liquid directing plate comprise a single ring of liquid directing passages angled ...

Finned rod for electrification of sprayed droplets

The following abstract for the invention relates to the development of a finned rod for electrifying sprayed droplets, which employs a check valve, equipped with a first threaded nipple for attachment to the spray bar and liquid inlet, solidary to the body of the anti-protection valve, having a second nipple, this one for attachment of said body to the angulator, containing an angle adjusting screw and at the rotatable end couples the third threaded nipple, wherein coupling the curved finned rod the third nipple, which receives the fourth nipple in the fastener element, where the multiflow selector is threaded.

ROTARY ATOMIZATION PAINTING DEVICE AND ROTATION BALANCE ADJUSTING METHOD

Provided is a rotary atomization painting device that can adjust balance in a state in which a bell cup and an inner member are integrally assembled and can achieve an increase in yield and a reduction in the number of manufacturing steps. A rotary atomization painting device including a rotary atomizer head configured to rotate to atomize paint, the rotary atomizer head having: a bell cup that is formed into a bell shape to cause paint to be formed into a thin film; and an inner member that is arranged inside the bell cup and forms a paint reservoir, the inner member having a plurality of weight mounts on which weights are selectively mountable. 1. A rotary atomization painting device comprising a rotary atomizer head configured to rotate to atomize paint ,the rotary atomizer head comprising:a bell cup that is bell-shaped and configured to form paint into a thin film; andan inner member that is provided inside the bell cup and forms a paint reservoir,the inner member having a plurality of weight mounts on which weights are selectively mountable.2. The rotary atomization painting device according to claim 1 , whereinthe bell cup has:a small diameter side opening that is attached to a rotation shaft and through which paint is to be supplied from a predetermined paint supply source; anda large diameter side opening configured to release a thin film of the paint, andthe weight mounts are provided on a surface of the inner member, the surface facing the small diameter side opening.3. The rotary atomization painting device according to claim 1 , whereinthe bell cup has:a small diameter side opening that is attached to a rotation shaft and through which paint is to be supplied from a predetermined paint supply source; anda large diameter side opening configured to release a thin film of the paint,the weight mounts are provided on a surface of the inner member, the surface facing the small diameter side opening, anda feed tube to which paint is to be supplied from the ...

DEVICE FOR MONITORING ROTATIONAL ATOMIZATION OF A COATING MATERIAL COMPOSITION

Described herein is a device for performing and optically monitoring a rotational atomization of a coating material composition, where the device includes at least one rotational atomizer, which includes as application element a mountable bell cup capable of rotation, at least one supply unit for supplying the coating material composition to the rotational atomizer, at least one camera, and at least one optical measurement unit. Also described herein are a method of using the device for performing and optical monitoring the rotational atomization of the coating material composition and a method for determining the mean length of filaments formed on the edge of the bell cup of an rotational atomizer during the rotational atomization of the coating material composition and/or for determining at least one characteristic variable of the drop size distribution within a spray and/or the homogeneity of the spray. 1. A device for performing and optically monitoring a rotational atomization of a coating material composition , wherein said device comprisesat least one rotational atomizer, which comprises as application element a mountable bell cup capable of rotation,at least one supply unit for supplying a coating material composition to the rotational atomizer,at least one camera for optical capturing of filaments formed by atomization of the coating material composition at the edge of the bell cup, andat least one optical measurement unit for optical capturing of drops of a spray, which is formed by atomization of the coating material composition, by a traversing optical measurement through the entire spray.2. The device according to claim 1 , characterized in that the atomizer is in a tilted position and the at least one camera and the at least one optical measurement unit are independently of each other positioned within the device in relation to the tilted atomizer at a tilt angle of 0° to 90°.3. The device according to claim 1 , characterized in that both the at least ...

ROTARY ATOMIZING HEAD, ROTARY ATOMIZING HEAD MANAGING SYSTEM, AND ROTARY ATOMIZING HEAD MANAGING METHOD

This rotary atomizing head used in a rotary atomizing head type painting device is provided with: an atomizing head main body formed in a bell shape or a cup shape; an attachment part which is connected to the atomizing head main body and attaches the atomizing head main body to a motor rotary shaft of the rotary atomizing head type painting device; and a resin mold in which an IC tag containing unique information about the rotary atomizing head stored therein is embedded, and which is attached to the attachment part, wherein the attachment part can have a prescribed structure, the resin mold is attached to the attachment part through a prescribed method, and the IC tag is embedded in the resin mold such that the surface of an embedded coil antenna adopts a prescribed state. 1. A rotary atomizing head used in a rotary atomizing head type painting device , the rotary atomizing head comprising:an atomizing head main body formed in a bell shape or a cup shape;an attachment part which is connected to the atomizing head main body and attaches the atomizing head main body to a motor rotary shaft of the rotary atomizing head type painting device; anda resin mold in which an IC tag containing unique information about the rotary atomizing head stored therein is embedded and which is attached to the attachment part,wherein a fit in structure fitting the resin mold to the attachment part is provided, and the IC tag is embedded in the resin mold.215.-. (canceled)16. The rotary atomizing head according to claim 1 ,wherein the attachment part has a female screw structure and has a groove-shaped cutout portion formed at such an angle that the cutout portion does not pass through a cylindrical center of a female screw portion,wherein the resin mold is fitted in the cutout portion of the attachment part, andwherein the IC tag is embedded in the resin mold such that a surface of an embedded coil antenna is parallel to or makes a predetermined inclination angle with a cross section of ...

ELECTROSTATIC ATOMIZING DEVICE

An electrostatic atomizing device includes: a spray electrode and a reference electrode across which and the spray electrode a voltage is applied, the reference electrode being provided near the spray electrode, the spray electrode and the reference electrode being provided in an opening and an opening, respectively, which are provided on a device surface of the electrostatic atomizing device, and the opening being provided so as to reduce a ratio in which an atomized substance adheres to the device surface. 1. An electrostatic atomizing device comprising:a first electrode and a second electrode across which and the first electrode a voltage is applied,the first electrode for atomizing a substance from a tip thereof,the second electrode being provided near the first electrode,the first electrode and the second electrode being provided in a first opening and a second opening which are provided on a first device surface of device surfaces of the electrostatic atomizing device, respectively, andthe second opening being provided so as to reduce a ratio in which the atomized substance adheres to the first device surface.2. The electrostatic atomizing device according to claim 1 , wherein the first device surface or a second device surface of the device surfaces which differs from the first device surface is provided with an air supply opening for the second electrode which air supply opening is in communication with the second opening in the electrostatic atomizing device and supplies air to the second opening while the electrostatic atomizing device is being driven.3. The electrostatic atomizing device according to claim 2 , wherein the air supply opening for the second electrode is provided on the second device surface.4. The electrostatic atomizing device according to claim 2 , wherein the air supply opening for the second electrode has a larger area than the second opening.5. The electrostatic atomizing device according to claim 1 , wherein the first device surface ...

ELECTROSTATIC COATING APPARATUS

A rotary atomizing head () is mounted on a fore end side of a motor (). A shaping air ring () having a plurality of air outlet holes () at fixed intervals is provided on a rear side of the rotary atomizing head (). Outer surfaces of the air motor () and outer surfaces of the shaping air ring () are enshrouded over the entire circumference by a cover member () formed of an electrically insulating material. An external electrode assembly () is provided radially outwardly of the cover member (). An annular projecting portion () which projects forward is provided on the shaping air ring () over the entire circumference. The air outlet holes () are open in a fore distal end of this annular projecting portion (). As a result, a corona discharge can be generated by allowing an electric field to be concentrated at the fore distal end of the annular protecting portion (). 111-. (canceled)12. An electrostatic coating apparatus comprising:a motor, a rotary atomizing head provided rotatably on a fore end side of said motor, a shaping air ring disposed on a rear side of said rotary atomizing head, a plurality of air outlet holes provided in said shaping air ring and arranged in an annular shape along a paint releasing edge of said rotary atomizing head to spurt out shaping air, a cover member provided in a tubular shape in such a manner as to enshroud outer surfaces of said motor, an external electrode assembly provided on an outer periphery of said cover member, and a high voltage application means for applying a high voltage to said external electrode assembly to indirectly electrify sprayed paint particles from said rotary atomizing head with a high voltage electrostatic charge, wherein:said rotary atomizing head is formed of a material which is electrically conductive in its entirety or whose surface at least is electrically conductive or semi-conductive and said rotary atomizing head is connected to the earth;said shaping air ring is formed of an electrically conducting ...

ELECTROSTATIC ATOMIZER FOR ELECTROSTATICALLY COATED WORKPIECES

An electrostatic atomizer for electrostatically coating a workpiece, in particular for coating vehicle bodies or parts thereof, with a coating material, having both an inner electrode and an outer electrode for electrostatically charging the coating material. 1. An electrostatic atomizer for the electrostatic coating of workpieces with a coating material , comprising: an internal electrode and an external electrode for electrostatic charging of a coating material.2. The electrostatic atomizer according to claim 1 , wherein the internal electrode and the external electrode can each be actuated separately via their own electrical supply line.3. The electrostatic atomizer according to claim 1 , further comprising a plurality of external electrodes which can each be actuated via their own electrical supply line.4. The electrostatic atomizer according to claim 1 , wherein the external electrode is configured to be brought into at least two different positions with respect to a front end of the electrostatic atomizer.5. An electrostatic coating system comprising{'claim-ref': {'@idref': 'CLM-00001', 'claim 1'}, 'an electrostatic atomizer according to ;'}at least one high voltage source connected to the internal electrode, to the external electrode or to both the internal electrode and the external electrode, of the electrostatic atomizer; anda control unit configured to control the at least one high voltage source.6. The electrostatic coating system according to claim 5 , wherein the at least one high voltage source comprises two high voltage sources claim 5 , wherein one of the two high voltage sources is connected to the internal electrode of the electrostatic atomizer claim 5 , and the other of the two high voltage sources is connected to the external electrode of the electrostatic atomizer.7. The electrostatic coating system according to claim 5 , wherein the control unit is configured to apply high voltage of a same or different magnitude to the internal electrode and ...

RETROFIT LIGHT ASSEMBLY AND POWDER SPRAY GUN WITH INTEGRATED OR RETROFIT LIGHT

A light assembly coupled to a spray gun for spraying electrostatically charged coating material is disclosed. The spray gun includes a gun body comprising a barrel, a nozzle assembly extending from the barrel in a longitudinal direction, a voltage multiplier, and an actuator assembly configured to transition the voltage multiplier between an activated state and a deactivated state. The light assembly includes a light and circuitry electrically connected to the light. The circuitry is configured to supply electrical energy inductively obtained by the circuitry to the light when the voltage multiplier is in the activated state. The light assembly can also include a housing, a lens cover releasably attached to the housing, and a control member for changing a characteristic of the light. 1a gun body comprising a barrel, a nozzle assembly extending from the barrel in a longitudinal direction, a voltage multiplier, and a trigger assembly to control the spraying of the electrostatically charged coating material from the spray gun;a light assembly coupled to the gun body, the light assembly including a light and circuitry electrically connected to the light; anda control member on the gun for changing a characteristic of the light emitted by the light assembly.. A manually held spray gun for spraying electrostatically charged coating material, the spray gun comprising: This application is a continuation of U.S. patent application Ser. No. 16/714,991, filed Dec. 16, 2019, which is a continuation of U.S. patent application Ser. No. 15/927,550, filed Mar. 21, 2018, which claims the benefit of U.S. Provisional Patent App. No. 62/474,580, filed Mar. 21, 2017, the entire disclosures of which are hereby incorporated by reference as if set forth in their entirety herein.This disclosure generally relates to light assemblies, and more particularly relates to material application devices, for example spray guns, including attached light assemblies.A material application device, such ...

DENSE PHASE OR DILUTE PHASE DELIVERY THROUGH A POWDER GUN

A selectively configurable spray gun may include a gun body comprising a selectable forward section and a rearward section. The rearward section may be connected with either of two or more selectable forward sections so as to selectively configure the spray gun to operate either with a dense phase powder supply configuration or a with dilute phase powder supply configuration. The rearward section may include a selectable powder flow path that is connectable at an inlet end to a source of dense phase powder and at an outlet end to a selectable spray nozzle in the selectable forward section that may optionally include a diffuser. An adapter may be used to connect the rearward section with a selectable spray nozzle or air cap. A manual spray gun embodiment is also presented. A selectively configurable spray gun for use with a dense phase powder supply may include a smaller diameter powder tube that extends through a larger diameter powder tube. 1. A spray gun that can be selectively configured to operate with a Venturi pump or a dense phase powder pump , comprising:a gun body comprising a selectable forward section and a rearward section, said selectable forward section comprising a selectable spray nozzle,a selectable powder flow path comprising an inlet end and an outlet end, wherein powder coating material can flow from said inlet end to said outlet end and from said outlet end to said selectable spray nozzle, said selectable powder flow path comprising a constant cross-sectional area from said powder flow path inlet end to said powder flow path outlet end,said rearward section being joinable with either of two selectable forward sections so as to form either of two selectable spray gun configurations,said first selectable spray gun configuration comprising a first selectable spray nozzle and a first selectable powder flow path, said first selectable powder flow path comprises a first cross-sectional area,said second selectable spray gun configuration comprising a ...

BELL CUP OF ROTARY ATOMIZATION TYPE COATING DEVICE

A bell cup () of a rotary atomization-type coating device () is provided. This device has a rotary shaft () and a feed tube () inserted in the rotary shaft. The bell cup is fitted to a tip end part of the rotary shaft and has a coating material spreading surface () on an inner surface of the bell cup. The feed tube discharges a coating material to the coating material spreading surface. The coating material spreading surface includes a region extending from a predetermined position on a proximal end side to a distal end edge. The region is constituted of a convex curved surface toward an extension of the rotary shaft. The outermost surface of at least part (B) of the coating material spreading surface is covered by a diamond-like carbon film () free from silicon at least on its outermost surface. 17.-. (canceled)8. A bell cup of a rotary atomization-type coating apparatus having a rotary shaft and a feed tube inserted in the rotary shaft , the bell cup being fitted to a tip end part of the rotary shaft and having a coating material spreading surface on an inner surface of the bell cup , the feed tube discharging a coating material to the coating material spreading surface , the coating material spreading surface including a region extending from a predetermined position on a proximal end side to a distal end edge , the region comprising a convex curved surface toward an extension of the rotary shaft ,wherein an outermost surface of at least part of the coating material spreading surface is covered with a diamond-like carbon film, and the diamond-like carbon film is composed of amorphous carbon that is free from silicon and contains fluorine and in which carbon atoms on its surface are not terminated with fluorine atoms.9. The bell cup of a rotary atomization-type coating device according to claim 8 , wherein the diamond-like carbon film is provided at least on the outermost surface of the convex curved surface.10. The bell cup of a rotary atomization-type coating ...

PAINTING METHOD AND DEVICE FOR SAME

The present invention relates to a painting method and a rotating atomization type painting device. On an inner surface of a bell cup constituting the rotating atomization type painting device are formed a first paint diffusion unit positioned on the inside in the radial direction and a second paint diffusion unit positioned between the first paint diffusion unit and a peripheral edge part. The first paint diffusion unit has a convex shaped curved surface extending toward the center of rotation of the bell cup, whereas the second paint diffusion unit has a concave shaped curved surface extending away from the center of rotation. The diameter of the bell cup is set at 75-150 mm, and the speed of rotation of the bell cup is set at 8000-30000 rpm. 1. A painting method of spraying paint onto a workpiece from a periphery of an internal surface of a rotatable bell cup , whereinas the bell cup, a bell cup whose diameter is 75 to 150 mm is used, the internal surface of the bell cup includes a first paint spreading portion on an inner side in a radial direction of the internal surface as a convex surface rising toward a rotation center of the bell cup; and a second paint spreading portion between the first paint spreading portion and the periphery as a concave surface away from the rotation center, androtational speed of the bell cup is set at 8000 to 30000 rpm.2. The painting method according to claim 1 , wherein the bell cup has a diameter of 80 to 120 mm is used at a rotational speed of the bell cup is set at 10000 to 25000 rpm.3. A rotary atomization-type painting device that sprays paint onto a workpiece from a periphery of an internal surface of a rotatable bell cup claim 1 , whereinthe internal surface of the bell cup includes: a first paint spreading portion on an inner side in a radial direction of the internal surface as a convex surface rising toward a rotation center of the bell cup, anda second paint spreading portion between the first paint spreading portion ...

ELECTROSTATIC NOZZLE AND MINIMAL QUANTITY LUBRICATING AND GRINDING SYSTEM FOR CONTROLLABLE JET

An electrostatic nozzle and a minimal quantity lubricating and grinding system for a controllable jet. An electrostatic nozzle includes a nozzle core, an upper nozzle body being connected above the nozzle core; an empty space being formed between the upper nozzle body and the nozzle core for storing compressed air and decompression; a lower nozzle body being connected below the nozzle core; a gas-liquid mixing chamber, an acceleration chamber, and a nozzle outlet being sequentially disposed inside the nozzle core from top to bottom; and micro-convex bodies being evenly arranged on an inner wall of the acceleration chamber. 1. A micro-textured electrostatic nozzle , comprising: a nozzle core , an upper nozzle body being connected above the nozzle core; an empty space being formed between the upper nozzle body and the nozzle core for storing compressed air and decompression; a lower nozzle body being connected below the nozzle core; a gas-liquid mixing chamber , an acceleration chamber , and a nozzle outlet being sequentially disposed inside the nozzle core from top to bottom; and micro-convex bodies being evenly arranged on an inner wall of the acceleration chamber.2. A dual-level composite micro-textured electrostatic nozzle , comprising: a nozzle core , an upper nozzle body being connected above the nozzle core; an empty space being formed between the upper nozzle body and the nozzle core for storing compressed air and decompression; a lower nozzle body being connected below the nozzle core; a gas-liquid mixing chamber , an acceleration chamber , and a nozzle outlet being sequentially disposed inside the nozzle core from top to bottom; and micro-convex bodies being evenly arranged on an inner wall of the acceleration chamber , the micro-convex bodies comprising a primary micro-convex body and a secondary micro-convex body , the secondary micro-convex body being disposed on the primary micro-convex body.3. An electrostatic nozzle for noise reduction and resistance ...

RETROFIT LIGHT ASSEMBLY AND POWDER SPRAY GUN WITH INTEGRATED OR RETROFIT LIGHT

A light assembly coupled to a spray gun for spraying electrostatically charged coating material is disclosed. The spray gun includes a gun body comprising a barrel, a nozzle assembly extending from the barrel in a longitudinal direction, a voltage multiplier, and an actuator assembly configured to transition the voltage multiplier between an activated state and a deactivated state. The light assembly includes a light and circuitry electrically connected to the light. The circuitry is configured to supply electrical energy inductively obtained by the circuitry to the light when the voltage multiplier is in the activated state. The light assembly can also include a housing, a lens cover releasably attached to the housing, and a control member for changing a characteristic of the light. 1. A manually held spray gun for spraying electrostatically charged coating material , the spray gun comprising:a gun body comprising a barrel, a nozzle assembly extending from the barrel in a longitudinal direction, and a trigger assembly to control the spraying of the electrostatically charged coating material from the spray gun; anda light assembly coupled to the gun body, the light assembly including a light and circuitry electrically connected to the light, wherein the light assembly is configured to be selectively changed between 1) a first configuration in which the light assembly emits a light beam of a having a first color and 2) a second configuration in which the light assembly emits a light beam having a second color, different from the first color.2. The manually held spray gun of claim 1 , wherein the light assembly comprises:a lens housing; anda lens configured to be releasably attached to the lens housing, wherein the lens is capable of being replaced by a different lens to adjust a color of light emitted from the light assembly.3. The manually held spray gun of claim 1 , comprising the different lens configured to be releasably attached to the lens housing claim 1 , the ...

ROTARY ATOMIZING HEAD TYPE COATING MACHINE

An annular gap space (), into which a part of turbine air for driving a turbine () and exhaust air discharged from a rear thrust air bearing () flow out, is provided between an inner peripheral surface (B) of a rotational shaft () and an outer peripheral surface (B) of a feed tube (). Air outflow holes () are provided in the rotational shaft () to be positioned between a radial air bearing () and a rotary atomizing head () and to be radially bored through the rotational shaft (). As a result, the exhaust air flowing in the annular gap space () flows out outside of the rotational shaft () from the air outflow holes () in a position behind the rotary atomizing head (). 1. A rotary atomizing head type coating machine comprising:{'b': 2', '2, 'a tubular housing () in an inner peripheral side of which a motor accommodating section (C) is formed;'}{'b': 3', '2', '2', '5, 'an air motor () that is accommodated in said motor accommodating section (C) of said housing () and rotates a hollow rotational shaft ();'}{'b': 16', '2', '5', '3', '5, 'a rotary atomizing head () that is positioned on the front side of said housing () and is mounted to the front end of said rotational shaft () in said air motor () to spray paint supplied while rotating together with said rotational shaft ();'}{'b': 17', '5', '5', '16, 'a feed tube () that is provided inside said rotational shaft () to axially extend with a radial gap to said rotational shaft () and supplies the paint to said rotary atomizing head (); and'}{'b': 19', '2', '16', '3, 'a shaping air ring () that is provided on the front side of said housing () to eject shaping air for arranging a spraying pattern of the paint sprayed from said rotary atomizing head (), wherein said air motor () includes{'b': 4', '2', '2, 'a motor case () that is formed of a tubular body axially extending and is accommodated in said motor accommodating section (C) of said housing ();'}{'b': 5', '4, 'said rotational shaft () that is provided in said motor ...

Multi-Disk Spinning Disk Assembly for Atomization and Encapsulation with Spacing Disks for Adjusting Exit Gap

A multi-disk spinning disk assembly for atomization and encapsulation applications. A number of patterned disks are stacked to form a disk stack having a feed well in the center core of the stack. Each patterned disk has channels defined by spacers, with the channels and spacers being of varying depths, heights, and/or widths. The fluid to be atomized or encapsulated is delivered to the feed well. The fluid then flows into the channels, which communicate the fluid toward the outer edges of the disks. The fluid exits the disk stack from a circumferential gap, which is created by interposing spacing disks between the patterned disks.

ELECTRODE ASSEMBLY AND ELECTROSTATIC ATOMIZER HAVING SUCH AN ELECTRODE ASSEMBLY

The invention relates to an electrode assembly for an electrostatic atomizer, in particular for an electrostatic rotary atomizer, comprising at least one outer electrode and an electric resistance device, which has at least one resistance unit that is connected via an electrode connection to the at least one outer electrode and can be connected via a contact connection to a pole of a high-voltage source. The electrode assembly defines a main axis around which an electric field is built up. The resistance unit comprises a resistance track that runs between the electrode connection and the contact connection and is carried by a carrier substrate. The invention also relates to an electrostatic atomizer having such an electrode assembly. 1. An electrode assembly for an electrostatic atomizer , in particular for an electrostatic rotary atomizer , comprising:a) at least one external electrode;b) an electrical resistance device comprising at least one resistance unit which is connected via an electrode terminal to the at least one external electrode and can be connected via a contact terminal to a pole of a high-voltage source;whereinc) the electrode assembly defines a main axis about which an electric field is built up,whereinthe resistance unit comprises a resistance track which runs between the electrode terminal and the contact terminal and is carried by a carrier substrate.2. The electrode assembly according to claim 1 , wherein the resistance track is printed onto the carrier substrate.3. The electrode assembly according to claim 1 , characterised in that wherein the carrier substrate is made of a ceramics material or a plastics material.4. The electrode assembly according to claim 1 , wherein the resistance unit is so arranged between the carrier substrate and a counter-substrate that a laminate structure is formed.5. The electrode assembly according to claim 1 , wherein the carrier substrate together with the resistance unit is enclosed by an electrically non- ...

COSMETIC TREATMENT METHOD

A cosmetic treatment method. The method includes creating, on a region of the keratin materials to be treated, a set of adhesive areas and of non-adhesive areas extending between the adhesive areas. The method includes electrostatically projecting fibres onto the region. 1. Cosmetic treatment method comprising the steps:creating, on a region of the keratin materials to be treated, a set of adhesive areas and of non-adhesive areas extending between the adhesive areas,electrostatically projecting fibres onto said region.2. Method according to claim 1 , the adhesive areas not being connected claim 1 , with two adjacent areas separated from one another by a distance ranging from 30 microns to 3 mm.3. Method according to claim 1 , the adhesive areas being in the form of a network of points from 30 microns to 3 mm in diameter.4. Method according to claim 3 , the shape of the points being circular.5. Method according to claim 3 , the network being irregular.6. Method according to claim 1 , the adhesive areas being formed with the aid of an adhesive applicator arranged to deposit the adhesive on the skin at locations separated from one another.7. Method according to claim 6 , the applicator transferring the adhesive by stamping.8. Method according to claim 1 , the adhesive being applied with the aid of a stencil.9. Method according to claim 1 , the adhesive being applied by spraying.10. Method according to claim 1 , the adhesive being applied by bonding one or more adhesive articles to the skin.11. Method according to claim 1 , the density of the adhesive areas being from 4 to 700 per cm.12. Method according to claim 1 , the adhesive being chosen with an adhesive strength such that a fibre bonded to the skin by means of the adhesive in one of said areas withstands a detachment force of 15 mN.13. Method according to claim 1 , the adhesive being a pressure-sensitive adhesive.14. Method according to claim 1 , the fibres being synthetic.15. Method according to claim 1 , the ...

CONTROL FUNCTION AND DISPLAY FOR CONTROLLING SPRAY GUN

Control method and apparatus for a manual spray gun includes display that is disposed on the spray gun and that provides information to an operator about one or more coating operation parameters. An auxiliary trigger may be used that enables an operator to makes selections of one or more coating operation parameters. The display and auxiliary trigger together permit an operator to make selections without having to divert attention or field of view away from the spray gun or the coating area, especially during a coating operation. 1. A method for controlling a coating operation , the method comprising:displaying, to an operator on a display disposed on a material application device, an indication of a function and data relating to the function; andchanging information on said display by operating a manually actuated device disposed on said material application device.2. The method of claim 1 , wherein changing the information on said display comprises operating said manually actuated device to select between two or more functions.3. The method of claim 1 , wherein changing the information on said display comprises operating said manually actuated device to change the data displayed on said display.4. The method of claim 1 , wherein:said manually actuated device comprises a first manually actuated device and a second manually actuated device disposed on said material application device, andchanging the information on said display comprises operating said second manually actuated device to select a function to be displayed on said display and operating said first manually actuated device to change the data relating to the function that is displayed on display.5. The method of claim 4 , wherein changing the information on said display comprises operating said second manually actuated device to select a flow rate function and operating said first manually actuated device to increase or decrease the flow rate of coating material through said material application device to ...

COATING SYSTEM FOR COATING OBJECTS

A coating system for coating objects, wherein a coating material can be dispensed by an application device with a dispensing arrangement. A supply system having at least first and second feed containers for coating material are connected via first and second supply lines and first and second material valves, respectively, to the dispensing arrangement. Also provided is a cleaning system having at least one first cleaning line and a second cleaning line, to which rinsing agent can be fed via a first rinsing agent feed line and a second rinsing agent feed line, respectively. The first and second cleaning lines are connected via first and second cleaning valves to the first and supply lines, respectively. The first cleaning line and the second cleaning line are connected via a connection line at connection points disposed in front of each cleaning valve relative to the flow direction towards the dispensing arrangement. 1. A coating system for coating objects , comprising:a) an application device having a dispensing arrangement, by means of which a coating material can be dispensed; ba) a first feed reservoir for coating material, which is connected via a first supply line and a first material valve to the dispensing arrangement;', 'bb) a second feed reservoir for coating material, which is connected via a second supply line and a second material valve to the dispensing arrangement;, 'b) a supply system, which comprises at least'}{'b': '84', 'c) a cleaning system having at least one first cleaning line, to which flushing medium () can be fed via a first flushing medium feed line, and a second cleaning line, to which flushing medium can be fed via a second flushing medium feed line;'}whereind) the at least one first cleaning line is connected via a first cleaning valve to the first supply line and the second cleaning line is connected via a second cleaning valve to the second supply line, andfurther whereine) the at least one first cleaning line and the second cleaning ...

GROUNDING RODS FOR ELECTROSTATIC SPRAY

An electrostatic spray gun comprises a gun barrel, a housing attached to the gun barrel, a spray tip assembly attached to the barrel opposite the housing, and a first grounding rod. The spray tip assembly is situated at one end of the gun barrel, and has an electrode extending away from the gun barrel. The first grounding rod is electrically connected to the housing but electrically separated from the spray tip assembly, and extends along the gun barrel from the housing towards the spray tip assembly. 1. An electrostatic spray gun comprises:a gun barrel;a housing attached to the gun barrel;{'sup': '-', 'a spray tip assembly attached to the gun barrel opposite the housing, and including an electrode extending away from the gun banel; and'}a first grounding rod electrically connected to the housing but electrically isolated from the spray tip assembly, the first grounding rod extending along the gun barrel from the housing towards the spray tip assembly.2. The electrostatic spray gun of claim 1 , wherein the gun barrel extends substantially along a spray axis parallel to the electrode claim 1 , and wherein the first grounding rod is substantially parallel to the spray axis.3. The electrostatic spray gun of claim 1 , further comprising a second grounding rod parallel to the first grounding rod claim 1 , electrically connected to the housing but electrically separated from the spray tip assembly claim 1 , and extending along the gun barrel from the housing towards the spray tip assembly.4. The electrostatic spray gun of claim 3 , wherein the first and second grounding rods are secured within opposite lateral sides of the gun barrel.5. The electrostatic spray gun of claim 4 , wherein the grounding rods are secured to the housing via conductive fasteners.6. The electrostatic spray gun of claim 1 , wherein the housing is grounded.7. The electrostatic spray gun of claim 6 , further comprising a handle affixed to the housing claim 6 , and wherein the handle provides a ground ...

Electrostatic spray nozzle assembly

An air assisted electrostatic liquid spray nozzle assembly having a relatively long elongated nozzle body with a spray tip and surrounding air cap disposed at a downstream end of the nozzle body. The spray nozzle assembly includes an upstream electrode for connection to a high voltage electric source, an elongated feed tube, an electrically enhancing stinger, and the spray tip which are secured and retained by the air cap in electrically conductive relation to each other such that liquid passing through liquid passages of the electrode, feed tube, stinger, and spray tip is discharged in an electrostatically charged pattern of liquid particles. The air cap is removable to permit easy removal and replacement of the spray tip, stinger, and liquid feed tube.

Simulation Of Robotic Painting For Electrostatic Wraparound Applications

Embodiments simulate electrostatic painting on a real-world object. An embodiment begins by receiving an indication of paint deposition rate and an indication of maximum paint accumulation for a given real-world robotically controlled electrostatic paint gun. Next, paint deposition of the given real-world robotically controlled electrostatic paint gun in a virtual environment is represented which includes, for a subject time period, computing total paint accumulation (electrostatic and direct) on a given surface element of a model representing the real-world object. In turn, a parameter file is generated that includes parameters accounting for the determined total paint accumulation for the given surface element, where the generated parameter file enables precision operation of the given real-world robotically controlled electrostatic paint gun to paint the real-world object.

Turbine for a fluid-ejecting device, fluid-ejecting device, and assembly comprising such a device and tool

A turbine for a fluid-ejecting device, including a body and a rotor rotating a bowl about an axis, the turbine also including a tube mounted coaxially with the body and intended to be mounted coaxially with a skirt, a first portion of the tube being surrounded by the turbine body and a second portion being surrounded by the skirt and offset in the downstream direction relative to the first portion, the tube being rotatable about the axis relative to the body, the body preventing the translational movement of the tube parallel to the axis, and the outer face of the aforementioned second portion having a first thread engaging with a second thread formed on the skirt in order to press the skirt against the turbine body.

System to Apply Mainly Phytosanitary Products that use the Principle of Electrostatic Attraction

A system to apply mainly phytosanitary products that use the principle of electrostatic attraction. A high static charge is imprinted on the microdrops in the nozzle with high flows of water using a simple industrial design and very low probabilities of failure. The system is very stable and reliable. An active water provider capillary tube is optionally used in the nozzles (as opposed to a fixed one), which results in a more efficient use of the air to micronize drops. The nozzles can be fixed or dirigible nozzles. A chemical product doser system is optionally used with injection in the nozzle itself. 1. A high flow electrostatic sprayer comprising:a bar tube defining a hollow internal space that is sealed at opposite first and second ends, said bar tube adapted to receive pressurized air from an associated source into said internal space;a nozzle body connected to said bar tube, said nozzle body electrically connected to said bar tube for receiving a high voltage positive electrical charge from said bar tube, wherein said nozzle body comprises an inlet in communication with the internal space and an outlet located external to said internal space and an internal channel that connects said inlet to said outlet such that pressurized air within said internal space of said bar tube can flow outwardly through said nozzle body;a water tube located within the internal space of the bar tube and adapted to be connected to an associated source of water, said water tube supported within said internal space of said bar tube by a plurality of internal supports, wherein the water tube comprises an electrical ground path;a capillary tube in fluid communication with said water tube and also electrically connected to said ground path of said water tube, wherein said capillary tube is located respectively within the internal channel the nozzle body such that liquid ejected by said capillary tube within the internal channel will be micronized into droplets by pressurized air flowing ...

Electrostatic painting apparatus and electrostatic method

An electrostatic painting apparatus ( 1 ) includes: a paint gun ( 4 ) that has a bell cup ( 4 a ) serving as an atomization portion that atomizes a paint, and an air nozzle ( 7 ) serving as an air discharge portion that discharges shaping air for controlling a diffusion pattern of the atomized paint; a high-voltage generator ( 5 ) that applies a high voltage to the paint gun ( 4 ); and a controller ( 6 ) that controls the high voltage to be applied from the high-voltage generator ( 5 ), wherein the high-voltage generator ( 5 ) generates a high positive voltage.

Rotary Atomizing Electrostatic Applicator And Shaping Air Ring For The Same

The present invention solves a problem of a trade-off between increases in paint discharge rate and maintenance of painting quality. A rotary atomizing electrostatic applicator includes a bell cup whose back is hit by atomization air SA-IN at an angle of 90 degrees or less; and first air holes adapted to discharge the atomization air SA-IN directed at the back of the bell cup, wherein the first air holes are arranged at equal intervals on a circumference centered around a rotation axis of the bell cup , the first air holes are oriented in a direction opposite to a rotation direction of the bell cup ; and the atomization air SA-IN discharged through the first air holes is twisted in the direction opposite to the rotation direction of the bell cup at an angle of 50 degrees or more and less than 60 degrees. 1. A rotary atomizing electrostatic applicator comprising:a bell cup whose back is hit by atomization air at an angle of 90 degrees or less; and{'b': '30', 'first air holes () adapted to discharge the atomization air directed at the back of the bell cup,'}wherein the first air holes are arranged at equal intervals on a circumference centered around a rotation axis of the bell cup,the first air holes are oriented in a direction opposite to a rotation direction of the bell cup, andthe atomization air discharged through the first air holes is twisted in the direction opposite to the rotation direction of the bell cup at an angle of 50 degrees or more and less than 60 degrees.2. The rotary atomizing electrostatic applicator according to claim 1 , wherein a twist angle of the atomization air is 56 degrees to 59 degrees.3. The rotary atomizing electrostatic applicator according to claim 1 , wherein a twist angle of the atomization air is 56 degrees to 58 degrees.4. The rotary atomizing electrostatic applicator according to claim 1 , wherein an air travel distance covered by the atomization air traveling from the first air holes to the back of the bell cup is equal to or ...

Rotary atomizing head type coating machine

The coating machine is provided with an air motor (3), a rotational shaft (4) that is rotatably supported by the air motor (3), a feed tube (5) that extends to a tip end of the rotational shaft (4) through the inside of the rotational shaft (4), a rotary atomizing head (6) that is mounted to the tip end of the rotational shaft (4), and a shaping air ring (7) that surrounds an outer periphery of the rotary atomizing head (6) and an axial tip end of which is arranged in back of a paint releasing edge (6D) of the rotary atomizing head (6). The shaping air ring (7) includes a great number of first shaping air spurting holes (9), and a great number of second shaping air spurting holes (10). An inner diameter dimension (d1) of the first shaping air spurting hole (9) is set to be larger than an inner diameter dimension (d2) of the second shaping air spurting hole (10). The number (N2) of the second shaping air spurting holes (10) is set to be smaller than the number (N1) of the first shaping air spurting holes (9).

Method for determining the droplet size distribution during atomization and screening method based thereon in paint development

Disclosed herein is a method for determining a drop size distribution within a spray and/or a homogeneity of this spray, the spray being formed on atomization of a coating material composition, which includes atomization of the coating material composition by means of an atomizer, the atomization producing a spray, optical capture of the drops of the spray formed, by a traversing optical measurement (2), and determination of at least one characteristic variable of the drop size distribution within the spray and/or of the homogeneity of the spray, on the basis of optical data obtained as per step (2). Also described herein are methods for compiling an electronic database and for screening coating material compositions when developing paint formulations, carried out on the basis of the method.

Method for determining the average filament length during a rotational atomization, and screening method based thereon during the development of a paint

Described here is a method for determining the mean length of filaments formed on rotational atomization of a coating material composition, the method including atomization of the coating material composition by means of a rotational atomizer including as application element a bell cup capable of a rotation (1), optical capture of the filaments formed here at the bell cup edge, by means of at least one camera (2), and digital evaluation of the optical data obtained in this way, to give the mean filament length of those filaments formed on atomization that are located at the edge of the bell cup (3), as well as methods for compiling an electronic database and for screening coating material compositions when developing paint formulations.

Spray nozzle arrangements

A nozzle arrangement that produces an atomised spray or foam wherein the nozzle arrangement comprises a nozzle body with an inlet for a pressurized fluid into a chamber with an outlet orifice in the downstream wall and a prodder with a tapered conical tip wherein the prodder is inside of said chamber and at least part of the tip of the prodder protrudes inside the outlet orifice creating at least one circumferential gap between the prodder tip and the outlet orifice whereby the fluid spins around at least part of the prodder tip and out through the circumferential gap and produces an atomized spray or foam with a substantially full cone shape.

ELECTROSPRAY DEVICE

The invention related to a device () for spraying charged droplets of a liquid towards a target along a spraying direction, comprising: a reservoir () for storing the liquid (L), a first electrode () being arranged at an outlet () of said reservoir (), a second electrode () forming a counter electrode to the first electrode () for accelerating said droplets (D) along the spraying direction (S), and a housing () holding the reservoir () as well as said electrodes (). 1. Device for spraying charged droplets of a liquid towards a target along a spraying direction , comprising:{'b': '10', 'a reservoir () for receiving the liquid (L),'}{'b': 100', '11', '10, 'a first electrode () being arranged at an outlet () of said reservoir (),'}{'b': 200', '100, 'a second electrode () forming a counter electrode to the first electrode () for accelerating said droplets (D) along the spraying direction (S), and'}{'b': 30', '10', '100', '200, 'a housing () holding the reservoir () as well as said electrodes (, ).'}220020011a. Device as claimed in claim 1 , characterized in that an end region () of the second electrode () is spaced apart from said outlet () along the spraying direction (S).3303110311131321131. Device as claimed in claim 1 , characterized in that said housing () forms a spray chamber () extending along the spraying direction (S) claim 1 , wherein the reservoir () is connected to the spray chamber () via said outlet () and wherein the spray chamber () comprises an opening () facing said outlet () along the spraying direction (S) for ejecting the droplets (D) out of the spray chamber ().4100100101001010. Device as claimed in claim 1 , characterized in that the first electrode () comprises a tubular shape claim 1 , wherein particularly the first electrode () is designed to encompass the liquid (L) in the reservoir () claim 1 , wherein particularly the first electrode () is made of a conducting material and forms said reservoir () or at least a section thereof claim 1 , or ...

METHOD AND APPARATUS FOR ALIGNING NANOWIRES DEPOSITED BY AN ELECTROSPINNING PROCESS

Embodiments of the invention generally include apparatus and methods for depositing nanowires in a predetermined pattern during an electrospinning process. An apparatus includes a nozzle for containing and ejecting a deposition material, and a voltage source coupled to the nozzle to eject the deposition material. One or more electric field shaping devices are positioned to shape the electric field adjacent to a substrate to control the trajectory of the ejected deposition material. The electric field shaping device converges an electric field at a point near the surface of the substrate to accurately deposit the deposition material on the substrate in a predetermined pattern. The methods include applying a voltage to a nozzle to eject an electrically-charged deposition material towards a substrate, and shaping one or more electric fields to control the trajectory of the electrically-charged deposition material. The deposition material is then deposited on the substrate in a predetermined pattern. 1. An apparatus for electrospinning a material on a substrate , comprising:a reservoir for containing a deposition material;a nozzle in fluid communication with the reservoir, the nozzle adapted to deliver the deposition material to a surface of a substrate;a substrate support movable relative the nozzle, the substrate support adapted to support the substrate adjacent to the nozzle;a voltage source coupled to the nozzle to apply an electric potential to the nozzle to eject the deposition material from the nozzle; andone or more coils positioned around a process region located between the nozzle and the substrate support, the one or more coils adapted to influence the trajectory of the deposition material ejected from the nozzle.2. The apparatus of claim 1 , further comprising a counter electrode positioned adjacent to the substrate on a side opposite of the nozzle claim 1 , wherein the counter electrode is coupled to the voltage source and is adapted to influence the ...

ELECTROSTATIC ATOMIZER

An electrostatic atomizer of the present invention includes a pair of thermoelectric elements; a heat absorption-side electrode that electrically connects the pair of thermoelectric elements on heat absorption sides thereof; heat radiation-side electrodes that are electrically connected to the respective thermoelectric elements on heat radiation sides thereof; and a circuit substrate on which a driving circuit configured to control energization of the pair of thermoelectric elements is mounted. The heat absorption-side electrode serves as a discharge electrode, and the heat radiation-side electrodes serve as a heat radiation member. The heat radiation-side electrodes are joined to the circuit substrate so as to be integrated therewith. 1. An electrostatic atomizer comprising:a pair of thermoelectric elements;a heat absorption-side electrode that is joined to the thermoelectric elements so as to serve as a discharge electrode, and that electrically connects the pair of thermoelectric elements on heat absorption sides thereof;heat radiation-side electrodes that are electrically connected to the respective thermoelectric elements on heat radiation sides thereof so as to serve as a heat radiation member; anda circuit substrate on which a driving circuit configured to control energization of the pair of thermoelectric elements is mounted,wherein the heat radiation-side electrodes are joined to the circuit substrate so as to be integrated therewith.2. The electrostatic atomizer according to claim 1 , comprising:a counter electrode provided at a position opposing the heat absorption-side electrode,wherein the counter electrode is joined to the circuit substrate so as to be integrated therewith.3. The electrostatic atomizer according to claim 2 , comprising:a voltage application circuit configured to apply a voltage to the counter electrode,wherein the voltage application circuit is mounted on the circuit substrate so as to be integrated therewith.4. The electrostatic ...

METHOD FOR MAKING CHARGED NANOPARTICLES

The disclosure relates to a method for making charged nanoparticles, the method includes: providing a solution with a first solute; atomizing the solution into micro-scaled droplets; providing a charged electrode with at least one through-hole, a negative or positive electric potential is applied to the electrode; allowing the micro-scaled droplets to pass through the at least one through-hole. 1. A method for making charged nanoparticles , the method comprising:providing a solution with a first solute;atomizing the solution into micro-scaled droplets;providing a charged electrode with at least one through-hole, wherein a negative or positive electric potential is applied to the electrode;allowing the micro-scaled droplets to pass through the at least one through-hole.2. The method as claimed in claim 1 , wherein the solution is a saturated solution with a volatile solvent.3. The method as claimed in claim 1 , wherein a solvent of the solution is water or ethanol.4. The method as claimed in claim 1 , wherein the solution is a NaCl saturated ethanol solution or a glucose saturated ethanol solution.5. The method as claimed in claim 1 , wherein the solution is atomized by an atomizer.6. The method as claimed in claim 1 , wherein the solution with the first solute is atomized into micro-scaled droplets with the first solute.7. The method as claimed in claim 1 , wherein the electric potential is in a range from about −2000V to about +2000V.8. The method as claimed in claim 7 , wherein the electric potential is about −1800V or about ±1800V.9. The method as claimed in claim 1 , wherein a size of the micro-scaled droplets ranges from about 1 micrometer to about 10 micrometers.10. The method as claimed in claim 1 , wherein a size of the at least one through-hole is equal to or less than 1 millimeter. This application is a continuation application of U.S. patent application Ser. No. 15/598218, filed on May 17, 2017, entitled, “DEVICE FOR MAKING CHARGED NANOPARTICLES”, which ...

APPLICATION COMPONENT OF A ROTARY ATOMIZER MADE OF FOAM MATERIAL AND ITS PRODUCTION METHOD AND APPLICATION SPRAYING METHOD

An application component for a rotary atomizer, having a base body which has an outflow surface for an application material that is to be atomized. In order to obtain a weight which is as low as possible while providing a highest possible strength, the base body is made in its interior at least in some regions of a material having cellular structures. Possible production methods of the component are, inter alia, an integral foam casting process, in particular an integral metal foam casting process, or a generative process. 1. An application component for a rotary atomizer comprising: 'an interior of the main body is formed, at least in places, from a material with cellular structures.', 'a main body comprising an outflow surface for an application material to be atomized, wherein'}2. The application component as claimed in claim 1 , wherein the material with cellular structures is one or more of a metal foam claim 1 , an aluminum metal foam claim 1 , a plastics foam and/or a ceramic foam.3. The application component as claimed in claim 1 , wherein the material with cellular structures comprises two different materials.4. The application component as claimed in claim 1 , wherein the cellular structures have a defined geometry.5. A method for producing an application component for a rotary atomizer comprising the following step: an outflow surface for an application material to be atomized and', 'an interior of which is formed at least in places from a material with cellular structures., 'a) producing an application component with a main body which comprises'}6. The method as claimed in claim 5 , wherein production of the main body comprises the following steps:a) providing a mold which defines an outer contour of the main body;b) injection molding a solid material provided with a blowing agent.7. The method as claimed in claim 5 , wherein production of the main body comprises structural foam molding.8. The method as claimed in claim 5 , wherein production of the main ...

Spray Fixture System

A system including an electrostatic spray fixture system, including a non-conductive frame surrounding an aperture, wherein the non-conductive frame is configured to retain an object within the aperture, and a conductor coupled to the frame, wherein the conductor is configured to electrically couple to the object within the aperture, and the non-conductive frame comprises a non-conductive material to reduce electrostatic attraction of an electrically charged coating material. 1. A system , comprising: a non-conductive frame surrounding an aperture, wherein the non-conductive frame is configured to retain an object within the aperture; and', 'a conductor coupled to the frame, wherein the conductor is configured to electrically couple to the object within the aperture, and the non-conductive frame comprises a non-conductive material to reduce electrostatic attraction of an electrically charged coating material., 'an electrostatic spray fixture system, comprising2. The system of claim 1 , comprising a first retaining member configured to retain the object.3. The system of claim 2 , comprising a second retaining member configured to retain the object.4. The system of claim 3 , wherein the first and second retaining members are coupled to opposite sides of the non-conductive frame.5. The system of claim 3 , wherein the first retaining member comprises a first non-conductive magnet claim 3 , and the second retaining member comprises a second non-conductive magnet.6. The system of claim 3 , wherein the first retaining member comprises a first spring-loaded clip and the second retaining member comprises a second spring-loaded clip.7. The system of claim 3 , wherein the first retaining member comprises a first plate with a blind hole configured to block axial movement of the object claim 3 , and the second retaining member comprises a second plate with a passage.8. The system of claim 3 , wherein the first retaining member comprises a first plate and the second retaining ...

COATING METHOD AND COATING DEVICE

The present invention is intended to solve a problem that a coating film has an uneven thickness in the case where a coating target has a stepped portion extending in a predetermined direction on its coating surface. To solve the problem, a follow-up coating is performed along the stepped portion S extending in the predetermined direction after coating of the entire coating surface of the coating target so that paint mist adheres more to a relatively-recessed side of the stepped portion S. 113-. (canceled)14. A method for providing an electrostatic coating on a coating target having , on a coating surface , a stepped portion extending in a predetermined direction , the method comprising:a first step of providing an entire surface coating on the entire coating surface of the coating target; anda second step of providing, after the entire surface coating, a follow-up coating along the stepped portion extending in the predetermined direction so that paint mist adheres more to a relatively-recessed side of the stepped portion, whereina rotating bell-type coating gun by which the paint mist is supplied while swirling about a center of a bell is used in the follow-up coating, andwhen the coating gun is moved in one direction along the stepped portion extending in the predetermined direction, swirling of the paint mist is reduced on one side of a movement line of a bell center of the coating gun due to air resistance caused by the movement of the coating gun, and the coating gun is moved only in the one direction along the stepped portion, with the one side facing the relatively-recessed side of the stepped portion.15. The method of claim 14 , whereinthe coating target includes a pair of coating surfaces facing in opposite directions, and the coating surfaces have the stepped portions arranged symmetrically, andin the follow-up coating, the coating gun moves along the stepped portions on the coating surfaces of the coating target in opposite directions so that the one side ...

BELL CUP FOR A ROTARY ATOMIZING TYPE ELECTROSTATIC COATING DEVICE

A bell cup includes an inner surface and a coating material diffusion surface on the inner surface of the bell cup. The coating material diffusion surface includes a first range extending from an end part of the coating material diffusion surface to a center part of the coating material diffusion surface, the end part being disposed toward a proximal end of the bell cup, being a convex curved surface facing towards the rotation axis, and on which, in a cross section of any plane that includes the rotation axis, normal line components of a centrifugal force acting on a coating material liquid film due to rotation of the bell cup are substantially equal, and a second range extending from the center part to a distal end edge of the bell cup, and being a being a concave curved surface facing towards the rotation axis. 1. (canceled)2. A bell cup for installation on a rotary atomizing electrostatic coating apparatus , the bell cup comprising:an inner surface; anda coating material diffusion surface on the inner surface of the bell cup, the coating material diffusion surface being supplied with a coating material, and includinga first range extending from an end part of the coating material diffusion surface to a center part of the coating material diffusion surface, the end part being disposed toward a proximal end of the bell cup, being a convex curved surface facing towards a rotation axis, and on which, in a cross section of any plane that includes the rotation axis, normal line components of a centrifugal force acting on a coating material liquid film due to rotation of the bell cup are substantially equal, anda second range extending from the center part to a distal end edge of the bell cup, and being a being a concave curved surface facing towards the rotation axis.3. A bell cup for installation on a rotary atomizing electrostatic coating apparatus , the bell cup comprising:an inner surface; anda coating material diffusion surface on the inner surface of the bell ...