Abstract: A rotary atomizing head enables cleaning by decomposing from the atomizing head, and enables internal cleaning without decomposing to individual components when paint is changed to a new one of another color. A structural component has a front wall acting as a hub, side wall extending rearward from an outer circumferential perimeter of the front wall to make a circumferentially continuous plane, legs each having a pawl and a bottom wall. The structural component is detachably mounted in a central concavity of an atomizing head body. A bottom wall of the structural component has formed a spoon-cut recess. The central concavity has an inclined circumferential wall, and the side wall of the structural component has an inclined outer circumferential surface complementary with the circumferential wall of the atomizing head body to get in substantial contact with the circumferential wall throughout the entire area of the outer circumferential wall.

Abstract: 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 (2b) 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 (4a) is formed on the periphery centered on the rotating shaft (2b). The plurality of discharge openings (4a) is formed such that the axial direction of the plurality of discharge openings (4a) is in a direction and a slant to the rotating shaft (2b). The axial direction of the plurality of discharge openings (4a) is formed to aim at a back surface part (3b), which is a part on the back surface side of the bell cup (3) from the paint spray direction.

Abstract: An electrostatically atomizing device includes different types of thermoelectric elements and an emitter electrode being configured to cause the electrostatically atomization. The emitter electrode is provided with a mounting member which the different types of thermoelectric elements are mounted on. The mounting member is provided with the electrical conductive path between the different types of thermoelectric elements.

Abstract: Provided is an electrostatic atomizing device which performs atomization at low cost. An electrostatic atomizing device (M4) is installed in an atomization chamber (10) of a separation apparatus. The electrostatic atomizing device (M4) includes a plate-like inclined surface electrode (101) and a plate-like counter electrode (102) parallel to the surface electrode (101). A solution is diffused by diffusers (108) onto an upper end of the surface electrode (101). The solution flows down along a front surface of the surface electrode (101) while being spread in a thin film form, and is atomized by an electric field between the surface electrode (101) and the counter electrode (102).

Abstract: A rotary atomizer arrangement and methods for operating the same are disclosed. An exemplary atomizer may be used for the coating of work pieces, and may include a bell plate driven by an electric motor. The exemplary atomizer may further be configured for the detection of errors in the spraying process and/or the drive system of the bell plate, such as by analyzing corresponding parameters of typical values of the drive motor.

Abstract: This spraying member (10) comprises at least one outer bowl (100) and one inner bowl (200), each bowl defining a spraying edge (101, 201), one inner spreading surface (102, 202) and one outer surface (103, 203). The inner bowl (200) is positioned radially on the inside of the outer bowl (100), whereas a volume (V1) defined between the inner surface (102) of the outer bowl (100) and the outer surface (203) of the inner bowl (200) has a thickness (e), corresponding to the distance between this inner surface (102) and this outer surface (203), decreasing between a first value (e1), taken at the zone for inlet of cleaning product into the volume (V1), and a second value (e2), taken at the spraying edge (101) of the outer bowl (100). The spraying member (10) comprises means (68) for the central supply of the inner spreading surfaces (102, 202).

Abstract: A robot, such as a painting robot for painting components such as motor vehicle body components, is disclosed having a plurality of robot elements that are pivotable relative to each other. At least one flexible supply line may run from a proximal robot element to a distal robot element. The supply line may be axially displaceable in the proximal robot element relative to the longitudinal axis of the supply line, so that the supply line can perform an axial compensating motion during a pivot motion of the robot.

Abstract: The invention relates to a member (10) for spraying a coating product comprising a primary surface (20) for spreading the product and at least two secondary, inner (21) and outer (22) surfaces for spreading the product that extend downstream of the primary surface (20), the primary (20) and secondary (21, 22) surfaces being coaxial (X10-X10), the downstream portions of the secondary surfaces (21, 22) defining an inner spraying edge (23) and an outer spraying edge (24). The downstream portions (21b, 22b) of the secondary surfaces (21, 22) have, relative to one another, directions (A21, A22) that are overall divergent towards the downstream direction. The inner edge (23) has a diameter substantially smaller than the diameter of the outer edge (24).

Abstract: For grounding or electrically charging the shaft of an electrostatic rotary atomizer working with external or direct charging, there are opposing, annular or spiral-shaped sharp edges in the outer surface of a part of the shaft and in the inner surface of a stationary bearing part at the desired potential, which have different, preferably opposite, thread directions, so that the edges intersect each other at points.

Abstract: Each spindle system turbine blade has front and rear surfaces relative to the rotational direction. The rear surface is a recessed columnar surface with a radius of curvature R1, while the front surface is a smooth continuous surface having a projecting columnar surface with a radius of curvature R2 larger than R1 and a flat surface between which a projecting columnar surface with a radius of curvature R3 larger than R1 is arranged. Among the three surfaces, the projecting columnar surface is at an inlet side of a channel straddling the projecting columnar surface, while the flat surface is at the outlet side. A space sandwiched between a facing front surface and rear surface of adjoining turbine blades forms a gas channel. Gas ejected from a nozzle flows in from an inlet in a direction along the arc-shaped curve of the recessed columnar surface and out an outlet.

Abstract: An air motor and an electric painting device improves driving efficiency, and includes a housing, a main shaft inserted inside of the housing, an impeller fixed concentrically with the main shaft to an inserted portion of the main shaft and having a plurality of turbine blades formed on the outer periphery, bearings for rotatably supporting the main shaft and the impeller, and a nozzle having a tubular or hole-shaped channel for ejecting compressed air to the respective turbine blades for rotating the impeller along the circumference. When M1=ve/a0 where ve denotes flow velocity of the compressed air in an entrance of the channel of the nozzle, and a0 denotes acoustic velocity, the length of the channel of the nozzle is set to a dimension of a calculated value or greater using a predetermined expression.

Abstract: 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.

Abstract: A system, including an electrostatic spray system, including an electrostatic tool configured to spray a material with an electrostatic charge, and a controller and wherein the controller is configured to change modes of the electrostatic tool, and wherein the modes are different processes that change the rate of material discharge, how much electrical charge is applied to the material, and when electrical charge is applied to the material.

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

Abstract: The present disclosure describes an atomizer having a body with an inner portion and an outer portion; an atomizer member; and outlet channels about the spraying axis (X1) for ejecting air so as to shape the spray of material. The atomizer also has an outlet chamber communicating with the outlet channels; and an inlet duct for feeding air to the outlet channels. The atomizer also includes at least two intermediate chambers juxtaposed and extending about the spraying axis (X1); axial intermediate channels, two juxtaposed intermediate chambers being interconnected via a set of intermediate channels distributed about the spraying axis (X1); and outlet ducts distributed about the spraying axis (X1).

Abstract: A method and apparatus disinfects enclosed spaces by the dispersal of aerosols ionized alternately with negative and positive electrostatic polarity.

Abstract: An electrostatic coating system includes a coating robot (1) and an electrostatic atomizer (6) attached to a polyarticular wrist portion (5) of the robot (1). The atomizer (6) includes an end plate (45), metallic connector (50) fixed to the end plate (45) in electric conduction, high voltage generator (20) and bell head (18). Electric power is supplied to the high voltage generator (20) through the connector (50). Wires (53) are connected to the connector (50) to take out high voltage leak caused by contamination like a deposition of paint on outer surfaces of the atomizer (6) through the wires 53 to control the high voltage generator (20) to lower the value of the high voltage applied to the bell head (18) of high voltage leak detected through the wires (53) is larger than a predetermined threshold value.

Abstract: A functional member removably attachable to an atomizer head body 2 is described. The functional member 4 has a sidewall 14 extending continuously in a circumferential direction, a plurality of legs 16 having claws 16a, and a circumferential projection provided radially inward of the legs 16. The circumferential projection 20 sits on an outer circumferential portion of a circumferential seat 22 of head body 2 and in abutment with an outer circumferential surface of the circumferential seat 22. A peripheral wall 8 of a central recess 6 head body 2 is an inclined wall, and an outer circumferential surface 14a of member 4 inclines to be complementary with the inclination of the peripheral wall 8 such that the outer circumferential surface of the member 4 can be substantially in contact with the peripheral wall 8 of the central recess 6 throughout the entire area of the member 4.

Abstract: An electro-hydrodynamic wind energy conversion system is presented. The system includes a wind passage allowing wind flow. Further, the system includes a reservoir having an opening in communication with the wind passage and configured to hold a liquid. The system also includes an agitator coupled to the reservoir and configured to convert the liquid into droplets. Additionally, the system includes a charging system disposed substantially opposite the reservoir opening and configured to deposit an electrostatic charge on the droplets and draw the droplets into the wind passage. Moreover, the system includes a charge collector disposed at a distal end of the wind passage and configured to collect the electrostatic charge from the droplets.

Abstract: A rotary spray head for atomizing and dispersing fluidized coating material within a bearing stream. The rotary spray head has a plurality of elongated contoured material dispersing portals positioned to define multiple overlapping product stream flow across a diffuser surface imparting translateral product stream homogenation and adaptive proportional edge shear for an improved coating dispersal pattern.

Abstract: A coating material atomizing and dispensing system comprises an atomizer and an assembly of electrodes. The electrode assembly is removably coupled to the atomizer to permit the assembly to be disassembled from the atomizer to permit entry of the atomizer through an opening smaller than the atomizer-electrode assembly can pass through. A device is provided for supporting the assembly when the assembly is disassembled from the atomizer.

Abstract: An installation for spraying a multi-component coating material composed of at least one robot having a moving portion carrying at least one electrostatic sprayer, the coating material having an electrically-conductive component together with at least one second component that is electrically insulating or poorly conductive. The installation further includes a main tank fitted with a unit for making a temporary connection with a circuit for dispensing the first component, and being raised to a high voltage when the connection unit not connected, and a feed circuit for continuously feeding the at least one second component. The main tank and the at least one second component feed circuit are carried by the moving portion of the robot and connected to feed the sprayer.

Abstract: The invention pertains to a lining device that can be pulled through a pipe having an approximate diameter between 1 and 36 inches. The device sprays an electrically charged lining mixture 360° onto the inside pipe surface. The lining mixture is electro-statically charged to facilitate full encapsulation and adhesion to all pipe wall surfaces in a circumferentially uniform thickness. The lining device can be contained in a multipart housing having flexible rod-like components that hold the device in the center of the longitudinal axis of the pipe. The lining mixture is conveyed to the device through heated non expanding hose. The non expanding properties facilitate the delivery of the lining under pressure to the device. The device also incorporates a dwell cone having a knurled edge that atomizes the lining mixture as it is centrifugally thrown onto the pipe wall. The device may further incorporate nitrogen in mixing the lining material.

Abstract: A coating dispensing device includes a trigger assembly for actuating the coating dispensing device to dispense coating material and a nozzle through which the coating material is dispensed. The device further includes a first port adapted to supply compressed gas to the coating dispensing device and a second port adapted to supply coating material to the coating dispensing device. The device further includes a multi-phase generator having a shaft. A turbine wheel is mounted on the shaft. Compressed gas coupled to the first port impinges upon the turbine wheel to spin the shaft, producing multi-phase voltage. The device further includes an electrode adjacent the nozzle and coupled to the multi-phase generator to receive electricity therefrom to electrostatically charge the coating material.

Abstract: The piston dispenser for the measured supplying of material to the atomizer of a painting robot is arranged in the hand joint of the robot. Various feasible embodiments of the dispensing cylinder of this piston dispenser are described.

Abstract: The coating apparatus comprises a body part, a head part detachably installed to this body part, and a connecting ring connecting the body part with the head part. The body part is provided with a cascade that boosts and outputs electric power and a plurality of tubes and a passage in which at least one of the optical signal, air, and coating circulates. The head part is provided with the rotary atomization head, an electric power transmission line that transmits the electric power output from the cascade, and a passage. On the connecting face of the body part, at least part of the cascade projects, and third port of the passage is exposed. On the connecting face of the head part, the electric power transmission line is connected, and a cascade insertion part in which the projected part of the cascade is inserted is formed, and a fourth port connected to the third port.

Abstract: An electrostatically atomizing device includes a housing and an electrostatically atomizing unit disposed within the housing. The atomizing unit includes an emitter electrode and an heat exchanger. The heat exchanger cools the emitter electrode to develop condensed water. A high voltage is applied to the emitter electrode in order to electrostatically atomizing the condensed water and generate a mist of charged minute water particles. The housing accommodates a fan generating an air flow accelerating a heat radiation of the heat exchanger, and a high voltage source generating the high voltage applied to the emitter electrode. The heat exchanger has its heat radiator section exposed to a flow passage of the air flow. The atomizing unit is formed with an air inlet for introducing the air flow which carries the mist of the charged minute water particles and release the mist. The atomizing unit and the high voltage source are arranged on opposite sides of the flow passage.

Abstract: An atomizer including an air motor and a rotary atomizing head is mounted in a front side of a housing member, outer surfaces of which are covered in a cover member. Further, a high voltage discharge electrode assembly is provided around a front side of the housing member, with an outer periphery of the cover member circumvented by a blade ring of the high voltage discharge electrode assembly. An edge portion in the shape of a thin blade is provided at a projected rear end of the blade ring. Thus, an electric field is concentrated at the edge portion to induce a corona discharge on and around the entire blade ring.

Abstract: The invention relates to an application element (1) for a rotary sprayer, in particular in the form of a bell-shaped plate or a rotary disc, with an overflow surface (8) which, during the coating operation, rotates together with the application element (1) and is overflowed by a coating agent to be applied, and with a surface layer which is located on the overflow surface (8) and on which a thin coating agent film forms with a certain film thickness during operation, wherein boundary surface friction acts between the coating agent film and the surface layer. It is proposed that the surface layer reduces the boundary surface friction between the coating agent film and the overflow surface (8). Furthermore, the invention comprises an associated operating method.

Abstract: An electrostatic paint sprayer 10 includes a body member 12 defining a paint passage 12a for flowing liquid paint supplied from a paint source 44, a nozzle assembly 16 adapted to be mounted to the end of the body member 12 so as to fluidly communicate with the paint passage 12a and a plurality of electrode pins 22 disposed about the axis and electrically connected to a electric power source 40. The nozzle assembly includes a paint orifice for discharging the supplied paint along an axis, a plurality of atomizing air orifices for discharging atomizing air to atomize the paint dispensed through the paint orifice and a plurality of shaping orifices for discharging shaping air to form the paint dispensed through the paint orifice into a predetermined pattern.

Abstract: The invention concerns a rotary nozzle combination (P) for coating product comprising an atomizing bowl (3) and a rotor (11) adapted to rotate the bowl about a geometrical axis (X-X?), and means (4, 5, 6, 7) for controlling the presence and/or proper mounting of the bowl (3) on the rotor (11). The rotor (11) is spaced apart from a non-rotating part (P1) and the control means comprise first means (4, 5) enabling a force (F3) to be applied on the bowl (3) tending to vary the thickness of an air-film of the pneumatic thrust bearing (P1), as well as second means (7, 8) for determining the air pressure in the bearing (P1). The pressure of air in the thrust bearing (P1) can be determined when the latter is normally supplied and compared with at least one reference value.

Abstract: An electrostatic rotary atomizer apparatus includes a housing encasing a turbine assembly, a shaping air assembly disposed radially outwardly from the turbine assembly for fluid communication with a shaping air supply, and a charge ring mounted to the housing and adapted to be connected to an electrical power supply. The charge ring has a plurality of electrodes within the housing. Ions emitted by the charge ring are directed through shaping air passages to intersect paint droplets leaving a rotating bell cup.

Abstract: An electrostatically atomizing device has a housing and an electrostatically atomizing unit accommodated within the housing. The electrostatically atomizing unit includes an atomizing barrel and an emitter electrode disposed within the atomizing barrel and is configured to atomize water supplied to the emitter electrode at a tip of the emitter electrode and generate mist of charged minute water particles. Formed within the housing is an air pressure chamber which surrounds the atomizing barrel. The atomizing barrel is formed in its peripheral wall with a plurality of air inlets which are arranged circumferentially around the atomizing barrel to introduce pressurized air from the air pressure chamber for carrying the mist on the pressurized air introduced into the atomizing barrel from the plural air inlets and discharging the mist outwardly of the housing.

Abstract: An atomizer assembly (10) drives an atomizing bell (108) to apply paint onto a part (14). The atomizer assembly (10) includes a core (24) having at least one paint line (26) extending therethrough, a turbine device (40) circumscribing an axis (A) and disposed in the core (24), and a turbine unit (62) surrounding the pain line (26) and having a shaft (104) rotatable relative the turbine device (40) with several turbine blades (130) connected to the shaft (104). A plurality of nozzles (64, 66, 68) are defined in the turbine device (40) and are positioned relative a turbine wheel (106) connected to the shaft (104) to drive fluid, i.e. gas onto the turbine blades (130). An annular wall (94) extends outwardly from one of the terminal ends of the turbine device (40) to define a seat (96) for engaging the core (24) to maintain a fixed gap between the paint line (26) and the shaft (104) and to eliminate contact therebetween.

Abstract: A rotary atomizing-head type coating machine, wherein a paint passage for flowing a paint to a rotary atomizing-head, a turbine air passage flowing a turbine air to the turbine of an air motor, a discharge air passage for flowing the turbine air after driving the turbine to the outside in the form of a discharge air, and a heat insulating air discharge passage of a heat insulated air passage axially extending while surrounding the discharge air passage and allowing hot heat insulated air to flow therein are formed in the bottom part of a housing body forming a housing. Thus, even if the turbine air expanded in a heat insulated state and reduced in temperature flows in the discharge air passage, the housing can be prevented from being cooled by the discharge air by flowing a heat insulated air with a temperature higher than that of the discharge air in the heat insulated air discharge passage.

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

Abstract: An atomizer, provided with an air motor and a rotary atomizing head is mounted on a front side of a housing member. An external electrode assembly, provided with support arms, electrode support members and acicular electrode members is mounted on the outer side of the housing member. A high voltage is supplied to acicular electrode members by a high voltage generator. Electrode support members are covered by a tubular cover member formed of an insulating resin film. An annular gap space is formed between the cover member and electrode support members.

Abstract: The examples described herein provide methods and equipment for an anti-oxidation spraying on a steel billet. In some examples, when the billet at the temperature of 400° C.-1000° C. enters the predetermined spraying region, a plurality of anti-oxidation spraying devices are used to perform an anti-oxidation spray on the billet in two or more directions, thereby forming directly an anti-oxidation coating on the steel billet at 400° C.-1000° C. By using the example method and equipment described herein, on-line spraying of anti-oxidation coating on the steel billet can be performed under high-temperature condition, thereby reducing an oxidation burning loss rate of the steel billet.

Abstract: A rotary atomizer includes a motor for spinning an output shaft. At least a portion of the shaft is electrically relatively non-insulative. An atomizing device is mounted on the shaft for rotation therewith. A passageway extends the length of the shaft. A feed tube extends through the passageway for supplying a coating material to be atomized to the atomizing device. At least a portion of the feed tube in contact with the coating material to be atomized as the coating material to be atomized flows through the feed tube toward the atomizing device is electrically relatively non-insulative. The atomizer further includes a device for promoting electrical charging of the coating material to be atomized as the coating material to be atomized is in contact with the electrically relatively non-insulative at least a portion of the feed tube.

Abstract: The coating apparatus comprises a body part, a head part detachably installed to this body part, and a connecting ring connecting the body part with the head part. The body part is provided with a cascade that boosts and outputs electric power and a plurality of tubes and a passage in which at least one of the optical signal, air, and coating circulates. The head part is provided with the rotary atomization head, an electric power transmission line that transmits the electric power output from the cascade, and a passage. On the connecting face of the body part, at least part of the cascade projects, and third port of the passage is exposed. On the connecting face of the head part, the electric power transmission line is connected, and a cascade insertion part in which the projected part of the cascade is inserted is formed, and a fourth port connected to the third port.

Abstract: A personal care apparatus (1) is provided with a suction nozzle configuration (4) which has two different suction nozzles (15, 22) with two different suction sections (27, 26), wherein the suction nozzles (15, 22) are held adjustably in relation to each other along a path of motion (16) which is preferably perpendicularly to their suction sections (27, 26), so that by means of an adjustment of this type in each case one of the suction nozzles (15, 22) may be adjusted with its suction section (27, 26) into an operating position permitting suctorial interaction with an area of the skin.

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

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

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

Abstract: A rotary atomizer includes a motor for spinning an output shaft. At least a portion of the shaft is electrically relatively non-insulative. An atomizing device is mounted on the shaft for rotation therewith. A passageway extends the length of the shaft. A feed tube extends through the passageway for supplying a coating material to be atomized to the atomizing device. At least a portion of the feed tube in contact with the coating material to be atomized as the coating material to be atomized flows through the feed tube toward the atomizing device is electrically relatively non-insulative. The atomizer further includes a device for promoting electrical charging of the coating material to be atomized as the coating material to be atomized is in contact with the electrically relatively non-insulative at least a portion of the feed tube.

Abstract: The main needle valve of an electrostatic atomizer has an opto-electronic sensor device with optical waveguides whose faces are opposite a reflecting element of a component moveable with the valve needle for potential-free switch position interrogations.

Abstract: A rotational atomizer turbine of the present invention is designed to drive a bell-shaped disk in a rotational atomizer for a coating unit. The rotational atomizer turbine includes a housing, a rotatable turbine wheel with several turbine blades connected to a shaft and rotatably disposed in the housing. A plurality of nozzles are defined in the housing and are positioned relative the turbine wheel to drive fluid, i.e. gas onto the turbine blades. An intermediate chamber formed in the housing is fluidly communicated with and connected to the nozzles to hold gas therein. The intermediate chamber has a first inlet to supply gas. At least a second inlet is defined in the intermediate chamber for delivering gas into the intermediate chamber thereby increasing amount of gas therein to multiply a rotational speed of the rotatable turbine wheel as increased amount of gas is introduced to the turbine blades.

Abstract: A method and apparatus for dispensing electrically charged particles of a coating material. A source provides the coating material to a coating material dispenser. An electrical supply supplies electrical charge. A first electrode provides charge to the coating material as it is dispensed. At least one second electrode is provided at a location removed from the first electrode. Both the first electrode and the at least one second electrode are coupled to the supply of electrical charge.

Abstract: A powder coating gun with an internal fan and a quick-change powder cartridge. Pressurized air generated by the fan entrains the powder coating material from the powder cartridge and the entrained powder coating material is charged in the ionizing field created by an emitter. The replaceable cartridge contains an inlet line and an outlet line oriented in a manner that allows the powder gun to be positioned in different angles and orientations with minimal risk of a powder spill from the powder coating gun. The powder cartridge contains a lid for supporting an inlet line and a body part constructed of clear or translucent material that allows the user to easily view the color of the powder. An electric power supply is used to power the fan and the emitter. A trigger is present in the handle of the powder coating gun and both controls the speed of the fan and enables the charge to the emitter.

Abstract: An electrode ring suitable for providing electrostatic assistance to the high-speed rotary application of spray coatings and having electrode fingers comprising electrode tips, wherein the electrode ring is constructed so as to be capable of performing rotational movements about the axis directed through the center of the circle thereof.