Abstract: A cleaning apparatus includes a connection part rotatably mounted to a rotatable member. The connection part is in the form of a disc 36 of plastics material, with a central cavity with four radial passages extending therefrom leading to nozzles for steam to pass therethrough for cleaning purposes. In use the disc is rotated at a required speed to, for instance, clean a conveyor.

Abstract: A dishwashing appliance is provided having a spray arm assembly with one or more sliding spray arms. The spray arms can slide linearly, back and forth, along either a transverse or lateral direction of a wash chamber of the appliance. The spray arms are precluded from rotating relative to the wash chamber. A variety of mechanisms are described for providing such linear, sliding movement through the wash chamber. Improved spraying and, therefore, cleaning of articles in the dishwasher can be achieved through the sliding movement.

Abstract: A movable wafer probe may include: an immersion hood including a top body portion and a bottom foot portion, the top body portion having first inner sidewalls surrounding a top opening, the bottom foot portion having second inner sidewalls surrounding a bottom opening; a transducer disposed above the bottom opening and within the top opening, the transducer spaced apart from the first inner sidewalls of the top body portion by a first spacing, the first spacing forming a fluid exhaust port; and a fluid input port extending through the transducer, a bottom end of the fluid input port opening to the bottom opening

Abstract: A wash arm arrangement (20) for a dishwasher is disclosed. The wash arm arrangement comprises a central arm (21) adapted to be rotatably connected with a first shaft (23) through which liquid under pressure is fed into the central arm during operation. A second shaft (24) is arranged on the central arm to provide liquid to a satellite arm (22) which is rotatably connected with the second shaft. The satellite arm comprises a collimating nozzle (25) with an exit. The collimating nozzle is arranged for providing a collimated jet for distributing liquid to a washing area of the dishwasher. The inventive concept is based on an understanding that by utilizing a collimated liquid jet with sufficient pressure and flow a good cleaning performance is achieved with a reduced water consumption.

Abstract: A dishwasher has a treating chamber with four corners and a rotatable sprayer located within the treating chamber, where the sprayer includes two conduit segments which rotate about two different axes and a spray head which rotates about yet another axis. The combined rotation of the conduit segments moves the spray head in a non-circular path around the treating chamber.

Abstract: A nozzle for discharging droplets of a processing liquid for processing a substrate has a main body including a supply port, a drain port, a processing liquid flow passageway connecting the supply port and the drain port, and a plurality of discharge ports from which the processing liquid is discharged. The processing liquid flow passageway includes a plurality of branch flow channels, which branch out between the supply port and the drain port and collect together between the supply port and the drain port. The plurality of discharge ports form a plurality of columns respectively corresponding to the plurality of branch flow channels; and are aligned along and connected to the corresponding branch flow channels. A piezo element applies vibration to the processing liquid flowing through the plurality of branch flow channels.

Abstract: A wash arm arrangement (100) for a dishwasher is disclosed. The wash arm arrangement comprises a central arm (121) adapted to be rotatably connected with a first liquid supply shaft (123) for providing pressurized liquid during operation of the dishwasher. The central arm has a first nozzle (130) arranged for outputting a jet of liquid during operation thereby providing a first reaction force Fc for rotating the central arm about its axis of rotation in a first direction. The wash arm arrangement further comprises a satellite arm (122) rotatably arranged on a second liquid supply shaft (124) arranged on an outer end of the central arm, the satellite arm having a second nozzle (131) arranged for outputting a jet of liquid during operation thereby providing a second reaction force Fs for rotating the satellite arm about its axis of rotation in a second direction being opposite to the first direction.

Abstract: An orbital cleaning assembly, including: an axis of rotation; a housing; a drive assembly at least partly disposed within a space formed by the housing; a tube assembly at least partly disposed within the space and including a tube including: a first end arranged to connect to a source of fluid and a flexible portion including a second end of the tube. The second end is arranged to receive a nozzle. The drive assembly is arranged to position the second end at a radial distance from the axis of rotation and flex the tube assembly such that the second end traverses a path about the axis.

Abstract: A dishwasher appliance and a spray assembly for the same are provided. The spray assembly includes a spray body and features for moving the spray body within a wash chamber of the dishwasher appliance. Wash fluid coverage within the wash chamber can be improved by moving the spray body within the wash chamber.

Abstract: A dishwasher having a tub at least partially defining a treating chamber and in which is provided a rotating sprayer for emitting liquid into the treating chamber. The rotation of the spray arm may be controlled such that rotation of the spray arm is responsive to a determination that the spray arm has contacted an obstacle within the treating chamber.

Abstract: The invention relates to a container treatment machine, in particular a filling, closing or rinsing unit for containers, such as bottles, cans, barrels, kegs etc., comprising a container feed, a container discharge, at least one feed line for at least one product, and a cleaning device (3) for cleaning the outer surfaces by means of a cleaning fluid (13), characterized in that the cleaning device (3) comprises a robot (4) and a track (5), wherein the track (5) runs around the rotational axis thereof in at least one angular region, wherein the robot (4) is arranged on or at said track (5) and can be driven by means of a linear drive (8).

Abstract: Disclosed herein are a nozzle assembly for a dishwasher capable of evenly spraying wash water in a wash tub and a dishwasher having the same. The dishwasher includes a sump to pump wash water, a supply pipe to which the wash water from the sump is supplied, and a nozzle assembly connected to the supply pipe. The nozzle assembly includes a lower rotor arm connected to the supply pipe, an upper rotor arm having a portion rotatably received in the lower rotor arm and having a first rotation center of an upper end thereof and a second rotation center of a lower end thereof positioned eccentrically from the first rotation center, and a nozzle rotatably connected to the upper rotor arm.

Abstract: A cleaning system for cleaning the interior of an industrial food mixing bowl of, for example, a dough mixer includes a cleaning lance with a spray nozzle assembly at an end of the lance, an actuator operable to reciprocally insert and retract the lance into or out of a food mixer bowl, and a pump operable to deliver cleaning fluid under pressure over a conduit to the lance and spray nozzle assembly.

Abstract: The system includes a wash source configured to concurrently generate a plurality of streams that are each incident on a sensor structure configured to detect a presence and/or amount of a compound on the sensor structure. The sensor structure has electrodes on a substrate. The wash source generates the streams such that each one of the streams is incident on a different one of the electrodes. Each of the streams is incident on one of the electrodes at an angle that is non-perpendicular to the sensor.

Abstract: A material-removal system can include a spray-head assembly with a plurality of rotatable fluid bars arranged in a single shroud with overlapping sweeps. A gear-box assembly can index the rotations of the fluid bars to coordinate their rotation and prevent the fluid bars from interfering with one another. The material-removal system can be mounted on a mobile platform, such as a vehicle. The vehicle can have a fluid-storage tank and a debris tank that can be tilted for dumping operation while the fluid-storage tank remains stationary. A peristaltic pump can advantageously remove liquid waste from the debris tank while a vacuum system has the debris tank operating under vacuum. The spray-head assembly can be coupled to the vehicle with an articulating-arm assembly that can include a four-bar mechanism and a pair of rotary actuators to facilitate vertical and rotational movement of the arm assembly and the spray-head assembly.

Abstract: A nozzle assembly capable of evenly spraying wash water at an inside a washing tub and a dishwasher having the same, the nozzle assembly including a nozzle configured to rotate on a rotating axis thereof, an inside rotor having a shape of a cylinder and configured to rotate according to a rotation of the nozzle while coupled to the rotating axis, and an outside rotor case having a larger radius than a radius of the inside rotor to accommodate the inside rotor therein, and having an opening hole through which the rotating axis passes, and the rotating axis of the nozzle revolves around a circumference of the opening hole.

Abstract: An automatic dishwasher has a rotatable spray arm and at least one rotatable sprayer, a drive link coupling the rotation of the rotatable spray arm and the at least one rotatable sprayer, and a drive for directly driving at least one of the rotatable spray arm and the at least one rotatable sprayer.

Abstract: A cleaning system and method for cleaning heat transfer surfaces in a boiler using a temperature measuring system for measuring and monitoring wall temperature of an annular wall of the tube of a lance of one or more sootblowers. Controlling a flow of steam or other fluid through the tube during the cooling portions of the strokes based on wall temperature measurements from the temperature measuring system. Infrared or thermocouple temperature measuring systems may be used. The steam or other fluid may be flowed at a default flowrate that may be substantially zero until the temperature measuring system indicates the wall temperature of the annular wall begins to exceed a predetermined temperature limit which may be the softening point of the annular wall. Then the steam or other fluid is flowed at a rate greater than the default flowrate.

Abstract: A regenerative heat exchanger is disclosed and described for gas streams that perform heat exchange between one another using a buffer that is continuously immersed in the gas streams. The buffer is cleanable by a pivotable blowing arm that uses spray nozzles to clean the buffer. The blowing arm has an axis that is positioned parallel to the flow direction of the gas streams across the buffer and allows for the use of two blowing arms which extend in a mirror image opposite to one another. The spray nozzles each distribute compressed air and/or pressurized water.

Abstract: An automatic dishwasher having a rotatable spray arm and at least one rotatable sprayer, with a drive for directly driving at least one of the spray arm and sprayer.

Abstract: To ensure that liquid and/or vapors do not escape from a tank space during cleaning by means of cleaning equipment, a housing (2) is provided with magnetic coupling equipment according to the invention, comprising two cooperating pole elements (8,9) which extend hermetically isolated from each other with pole parts extending in the turbine housing (3) on the tank space side and the gear housing (1) itself outside the tank space, respectively. This provides a considerable degree of security against liquid and gas leakage, while making it possible to achieve a compact structure with easy access for service and maintenance.

Abstract: A motorized system drives rotation of a rotatable sprayer of a dishwasher. The drive system includes a magnetic coupler. The magnetic coupler includes a first portion that resides inside the wash chamber of the dishwasher, and a second portion that resides outside the wash chamber, such that the motor and the output shaft of the drive system are located entirely outside of the wash chamber.

Abstract: An automatic dishwasher having a tub defining a wash chamber for receiving utensils to be washed, a first rack located within the wash chamber, a second rack located within the wash chamber above the first rack, a rotatable spray arm associated with the second rack, a liquid recirculation system for selectively supplying liquid to the rotatable spray arm, and a drive system for driving the rotatable spray arm.

Abstract: A centrifugal workpiece processor for processing semiconductor wafers and similar workpieces includes a head which holds and spins the workpiece. The head includes a rotor having a gas system. Gas or air is sprayed or jetted from inlets in the rotor to create a rotational gas flow. The rotational gas flow causes pressure conditions which hold the edges of a first side of the workpiece against an angled annular surface on the rotor. The rotor and the workpiece rotate together. Guide pins adjacent to a perimeter may help to align the workpiece with the rotor. Outlets through the rotor allow gas to flow out of the rotor.

Abstract: A flux cleaning apparatus for cleaning an object with flux by removing impurities that include flux from the object with flux includes a body, a mount, at least one steam spraying nozzle, and a steam supplying unit. The mount is coupled with the body for mounting the object with flux. The at least one steam spraying nozzle is coupled with the body for spraying steam toward the object with flux on the mount such that the object with flux is cleaned by the steam sprayed from the steam spraying nozzle. The steam supplying unit is coupled with the body and the steam supplying unit supplies steam to the at least one steam spraying nozzle.

Abstract: A centrifugal workpiece processor for processing semiconductor wafers and similar workpieces includes a head which holds and spins the workpiece. The head includes a rotor having a gas system. Gas is sprayed or jetted from inlets in the rotor to create a rotational gas flow. The rotational gas flow causes pressure conditions which hold the edges of a first side of the workpiece against contact pins on the rotor. The rotor and the workpiece rotate together. Guide pins adjacent to a perimeter may help to align the workpiece with the rotor. The rotor may have cylindrical side walls joined to a top plate, and with the gas inlets located in the cylindrical sidewalls. The head is moveable into engagement with a bowl. Spray nozzles in the bowl spray a process liquid onto the second side of the workpiece, as the workpiece is spinning, to process the workpiece.

Abstract: Devices for cleaning of enclosed spaces by means of liquid sprayed out. The device comprises a housing with a stationary part to which the liquid is supplied and on which a rotatable part bearing a hub is mounted. The hub has at least one spray nozzle. An element suspends the hub in a bearing in the rotatable part. The rotatable part comprises a turbine driven by the liquid and having a planetary gear for turning the rotatable part and at least one nozzle so that the liquid sprayed out by at least one of the nozzles during rotation sweeps across the inside of the enclosed spaces. The stationary part comprises an upper ring gear in engagement with a lower ring gear on the hub, which two ring gears are surrounded by the housing. The turbine and the planetary gear are fitted in the rotatable part to achieve a compact device.

Abstract: An automatic dishwasher having a tub defining a wash chamber for receiving utensils to be washed and including a rotatable spray arm located within the wash chamber and a liquid recirculation system for selectively supplying liquid to the rotatable spray arm and where the rotatable spray arm is driven with a power unit.

Abstract: A wash cylinder or chamber for an automated cleaning station to clean an object or a person's body part includes nozzles on the interior of the cylinder, the nozzles of one embodiment comprising an increasing roll angle providing a novel spray pattern. Additionally, embodiments of the invention include fluid guidance and conveyance structures, angled nozzles, sealing structures, finger guards, nozzle ribs, wash chamber seating mechanisms and drains, and nozzle inlays having a plurality of nozzles. Also disclosed are methods of washing an object or body part using a wash cylinder or chamber and methods of assembling a wash cylinder or chamber.

Abstract: An apparatus for dispensing a liquid onto a vehicle generally consisting of an inverted, U-shape support frame providing a space for receiving a vehicle therethrough; at least one liquid dispensing device supported on said frame, having a shaft provided with a longitudinally disposed first passageway section communicable at one end thereof with a source of liquid under pressure, a second passageway section communicating with the first passage section and disposed at an angle relative thereto and a plurality of third passageway sections communicating with the second passageway section, spaced circumferentially and each disposed at an angle relative to a longitudinal centerline of the second passageway; and means for rotating the shaft about a longitudinal centerline thereof.

Abstract: A method and apparatus for removing a first liquid from a surface of a substrate is provided. A second liquid is supplied to at least part of a surface of a substrate having a rotary movement. The rotary movement has a center of rotation and an edge of rotation. The second liquid is directed from the center of rotation to the edge of rotation using a nozzle. A dry zone is created on the substrate as the position of the spray moves from the center of rotation to the edge of rotation. As a result, the first liquid and the second liquid are removed from the surface of the substrate.

Abstract: An improved spinner bar for rotary surface cleaning machines includes an array of spray nozzles at each end of the bar. The nozzles in each array are adjustable. The outermost nozzle in each array is oriented at a different angle of inclination to the plane of rotation than the angle of the inner nozzles. The improved spinner bar results in a more uniform appearance in the cleaned surface, has a low noise level and reduces man-hours.

Abstract: A wafer cleaning apparatus with multiple wash-heads is applied in chemical and mechanical polishing process after wafer cleaning. The wafer cleaning apparatus device includes a supporting base, which supporting base comprises a driving device and at least one fluid pipe. A rotation module is also included in the wafer cleaning apparatus. The top side of the rotation module is connected with the driving device. Besides, the rotation module comprises multiple wash-heads and at least one nozzle. The bottom side of wash-head here is contacted with the surface of the wafer. By using driving device, the rotation module can be wholly driven. Also, multiple wash-heads can rotate individually along a cleaning path for cleaning wafer. The fluid was jetted from nozzle and assistant to clean wafer through fluid pipe. The prior art of single wafer wash-head is easily to reform a cleaning dead angle in wafer cleaning process.

Abstract: This application discloses an apparatus for scarifying the interior surface of a sewer pipe, which can remain in the sewer under active flow conditions. The apparatus includes at least one scarifying head, which may transverse back and forth along a rail assembly, which is configured to match the circumferential shape of the sewer pipe. The scarifying head includes a nozzle assembly and driving assembly. The nozzle assembly, located at the outer end of the scarifying head has nozzles. The nozzles emit jets of water under pressure to clean or scarify the interior surface of the pipe.

Abstract: An apparatus for collecting impurities on a semiconductor wafer includes an airtight process chamber, a rotary chuck disposed in the process chamber for rotating and horizontally supporting the semiconductor wafer, a first scanning unit for forming a droplet of a first scanning solution and for scanning an upper surface of the semiconductor wafer rotated by the rotary chuck with the droplet to collect first impurities, a driving unit for tilting the rotary chuck and the semiconductor wafer supported on the rotary chuck, and a second scanning unit for receiving a second scanning solution for collecting second impurities from an edge portion of the semiconductor wafer, the second scanning solution being in contact with the edge portion of the semiconductor wafer tilted by the driving unit and rotated by the rotary chuck so that the second scanning solution scans the edge portion of the semiconductor wafer.

Abstract: The substrate processing apparatus is provided with a gas-liquid mixing nozzle for generating a gas-liquid mixture by mixing a liquid and a pressurized gas, to discharge the gas-liquid mixture to a substrate at high speeds. The mixture process is conducted in an open space out of the nozzle, and change in the supply pressure of the gas does not affect the supply of the liquid. The reaction products which having been generated on the substrate in etching process is removed at high speeds with the flow of the gas-liquid mixture, whereby the quality of the process is improved.

Abstract: A cleaning apparatus (10) for a radiation source assembly (35) in a fluid treatment system is described. The cleaning apparatus comprise cleaning chamber (20) and a second chamber (25, 30) independent of the cleaning chamber which defines a fluid (typically water) buffer layer to obviate or mitigate cleaning fluid from the cleaning chamber leaking into the fluid being treated. The fluid treatment system is particularly useful for us in clean water applications in which ultraviolet radiation is used to treat the water while having the advantages of in situ cleaning of the radiation source when it becomes fouled.

Abstract: An automatic vehicle washing system is described. The vehicle washing system incorporates an elongated overhead cleaning platform for cleaning the front, top and rear surfaces of a vehicle. The overhead cleaning platform is attached to a single lift mechanism at a first end and is suspended from a belt at a second end, wherein the belt is also operatively connected to the first end. Accordingly, vertical movement of the lift actuator causes both ends of the platform to uniformly rise or descend. The platform further comprises a pivotal boom with fluid nozzles attached thereto, and a reciprocating pivotal actuator. The reciprocating pivotal actuator is capable of pivotal movement to any number of angular orientations within its operative range of motion. Advantageously, the pivotal and vertical positions of the nozzles can be independently varied, permitting the location of the overhead cleaning nozzles to be optimized for various vehicle profiles.

Abstract: A device is disclosed for cleaning dental trays at least partly filled with a moulding material. The device has a container, a pump for placing a cleaning liquid under pressure, and a spray nozzle for spraying the pressurized cleaning liquid into the container. A method is also disclosed for cleaning dental trays at least partly filled with a moulding material.

Abstract: A vehicle washing apparatus includes a side track extending along a washing bay. A gantry is supported for reciprocal motion along the side track by a gantry motor. Sensors detect the front and rear ends of the vehicle to control movement of the gantry. A retractable carriage extends from the gantry across the washing bay under the control of a carriage motor and a vehicle width sensor. The carriage rotatably supports a spray bar for discharging cleaning fluid. A motor rotates the spray bar to sweep around corners of the vehicle. A cam plate and engagement roller index the spray bar orientation, while limiting spray bar rotation to a single direction. A wheel guide receives the front left vehicle wheel. Treadle switches in the wheel guide, in conjunction with an illuminated display, indicate to the user when the vehicle is properly indexed in the washing bay.

Abstract: An automatic vehicle washing system is described. The vehicle washing system incorporates an elongated overhead cleaning platform for cleaning the front, top and rear surfaces of a vehicle. The overhead cleaning platform is attached to a single lift mechanism at a first end and is suspended from a belt at a second end, wherein the belt is also operatively connected to the first end. Accordingly, vertical movement of the lift actuator causes both ends of the platform to uniformly rise or descend. The platform further comprises a pivotal boom with fluid nozzles attached thereto, and a reciprocating pivotal actuator. The reciprocating pivotal actuator is capable of pivotal movement to any number of angular orientations within its operative range of motion. Advantageously, the pivotal and vertical positions of the nozzles can be independently varied, permitting the location of the overhead cleaning nozzles to be optimized for various vehicle profiles.

Abstract: A long retracting sootblower device for conducting different cleaning media types to the interior of a heat exchanger having a lance tube assembly (12), a feed tube, a carriage assembly (1), a first cleaning media supply, and a second cleaning media supply. The lance tube assembly includes a manifold (25), a hub (21) mounted to the manifold (25), a tube section (13) extending outward from the hub (21), and a nozzle assembly (18). The nozzle assembly includes nozzles (50, 52) adapted for directing a stream of cleaning media. The manifold (25) includes at least one cylindrical tube (32) with first and second ends, the first end (34) being permanently mounted to the manifold (25), and the second end (35) engaging the nozzle assembly (18). The manifold (25) and cylindrical tube (32) define a first high pressure passage for conducting cleaning media from the first cleaning media supply to the nozzle assembly (18).

Abstract: A drive assembly for a sootblower which provides a non-constant rate of rotational motors of the lance tube through the use of non-circular gears in the drive assembly. The drive assembly is used to provide a uniform or near uniform rate of progression of a jet of cleaning medium ejected from the lance tube along a surface to be cleaned.

Abstract: A vacuum line connected to a robotic device is run into a reactor vessel. The robotic device has a rotating body, a cleaning arm, and stabilizing arms to stabilize the robotic device within the reactor vessel. The robotic device may be controlled/monitored from a remote control station in communication with the robotic device.

Abstract: A vehicle washing apparatus for efficiently cleaning front and rear ends of vehicles. The apparatus includes a carriage which is movable lengthwise of a vehicle. Arch-shaped supports on the carriage support a gantry having spray nozzles for directing liquid toward the vehicle. The gantry is movably mounted relative to the supports such that the carriage and gantry are selectively movable to locate the spray nozzles at positions directly in front, above, and directly behind the vehicle for effective cleaning. The apparatus includes a sensor for determining vehicle length and a controller for moving the carriage and gantry to positions for effective cleaning of the vehicle.

Abstract: A system for cleaning grates includes a first power wash portion for applying a pressurized wash fluid to a first side of a grate, and a second power wash portion for applying a further pressurized wash fluid to a second side of the grate. A receiving portion, which is detachable from the first power wash portion, receives the grate, and a transport arrangement transports the grate along a grate path through the first and second power wash portions. A grate delivery portion, which is detachable from the second power wash portion to enhance portability and facilitate maneuverability, delivers the grate after it has been transported through the second power wash portion. A grate drive arrangement engages mechanically with the grate and urges same along the grate path from the receiving portion to the first power wash portion.

Abstract: A method and an apparatus is provided that may fix a point at which an etchant or a fluid sprayed from a nozzle impacts a substrate. By fixing a first angle measured between the inventive nozzle and a substrate support and fixing a process height of a nozzle relative to a substrate support, a second angle, measured between a fluid sprayed from the nozzle and a line tangent to a substrate support, may vary without affecting the fluid impact point.

Abstract: In order to further develop a vehicle washing installation comprising at least one nozzle arrangement which is movable past a vehicle to be cleaned in the longitudinal and transverse directions thereof and is adapted to be supplied with a cleaning liquid for cleaning the vehicle, so that it is of structurally simpler design and is less susceptible to failure, it is proposed, in accordance with the invention, that the nozzle arrangement comprise at least two groups of nozzles, with a first group of nozzles facing the vehicle to be cleaned during a transverse movement of the nozzle arrangement and a second group of nozzles facing the vehicle to be cleaned during a longitudinal movement of the nozzle arrangement.

Abstract: An articulating water monitor-cleaning device for cleaning internal surfaces of large-scale combustion devices. The device is mounted to the exterior of a wall of a combustion device and positions a water spray lance to direct a stream of water against internal surfaces over a range of position. Pairs of orthogonally oriented four-bar linkage assemblies are provided, each having rotary actuators. The relative position between a pair of joints affixed to the lance tube allows the position of the lance to be set over a range of positions.

Abstract: An impact reset mechanism and method that automatically resets a spray arch in a vehicle washing system to permit operation of the vehicle wash system after the spray arch has broken away from its rigid, operating position due to contact with a vehicle. The impact reset mechanism includes a bias member that exerts a bias force on a pair of mounting blocks used to support the spray arch. When the spray arch contacts the vehicle, the spray arch pivots one of the mounting blocks. The pivoting movement of the mounting block is sensed and relayed to a control unit. The control unit immediately stops the wash process and moves the spray arch away from the vehicle. The control unit automatically resets the wash process and begins washing the next vehicle without resuming manual intervention.