Abstract: A deposit removal high pressure spray apparatus for removing heat conduction inhibiting deposits on U-tubes at the top of a shell and tube type of nuclear steam generator (10) tube bundle (16) by crawling along flanged outboard support beams (18) above the U-tubes bundle. The apparatus includes: a crawler (66) with motive means 68 for "inch worm" movement; a rotationally driven base 62 provides movement of the sprayhead to either side of the outboard support beam; a rotationally driven extension arm 60 on rotating base 62 has an elongated reciprocally driven elevator 58 thereon; and, a wrist 52 reversibly and rotatably driven by motor 54a sweeps sprayhead 52 with nozzles 56 to clean the top of the bundle 16 tube lanes of 90.degree., 45.degree. and 135.degree. efficiently.

Abstract: A cleaning apparatus is used for cleaning a substrate such as a semiconductor wafer, a glass substrate, or a liquid crystal panel with a cleaning member. The cleaning apparatus includes: a holding mechanism for holding a workpiece, an arm movable relative to the workpiece, a cleaning member mounted on the arm for cleaning the workpiece held by the holding mechanism, a moving mechanism for vertically moving the cleaning member with respect to the workpiece held by the holding mechanism, and a controller for controlling the moving mechanism to adjust the cleaning member to a setting height.

Abstract: A system for treating an external surface of a building, has (a) at least one treatment unit configured to treat the external surface of the building with a pressurized fluid; (b) at least one suspension system for suspending the treatment unit adjacent to the external surface; (c) at least one suction unit associated with the treatment unit, being activated by the pressurized fluid to generate suction at a suction port; and (d) at least one suction head in fluid connection with a suction port to clamp against the external surface.

Abstract: Methods of cutting structural shapes by impinging a high pressure jet of anhydrous liquid ammonia or anhydrous ammonia-abrasive mixture at high impact velocity at a target substrate for faster, more efficient cutting/penetration rates i.e., up to 25 percent improvement over high pressure jet cutting methods with water as the cutting fluid, provide greater safety and flexibility, particularly in demilitarizing munitions comprising energetic materials and/or chemical warfare agents. The energy from the cutting jet comprising anhydrous ammonia may also be utilized in a continuous, uninterrupted sequence of processing steps after penetrating a closed casing for dispersing/dissolving and washing out the contents from the penetrated containment for further processing.

Abstract: Disclosed is an apparatus for removing a coated film from a peripheral portion of a substrate, comprising a section for holding a rectangular substrate horizontal, a surrounding member for surrounding a peripheral portion of the substrate held by the holding section, a discharge section mounted to face an upper peripheral portion of the substrate held by the holding section, rotatable about its longitudinal axis, a supply mechanism for supplying a solvent capable of dissolving the coated film into the solvent discharge section, a discharge rate controller for controlling the discharge rate of the solvent from the discharge section, a rotating mechanism for rotating the discharge section about its longitudinal axis between a first position in which the discharge port faces perpendicularly downward the front surface of the substrate and a second position, a suction mechanism, and control means for controlling the operation of each of the controller and the rotating mechanism.

Abstract: A water lance blower for cleaning heating installations, wherein a water lance (6) is movably (5) arranged with its mouth on or in a hatch (2) and can blow a water jet through the heating installation, which is in operation and is flowed through with flames and/or smoke, onto wall areas which can be reached from the hatch (2), wherein the water lance (6) is movable by at least one movement element, wherein path sensors are provided for precise determination of the position of the water lance (6), and wherein at least the area of the hatch (2) is sealed by a housing (31) to which blocking and flushing medium can be admitted. The water lance blower (6) can be guided along certain pre-calculated or previously memorised lines of movement at pre-calculated or previously memorised speeds, in particular dependent upon the position, by means of the measured values. The supply of blocking and flushing fluid can be controlled by pressure and/or temperature.

Abstract: A deposit removal high pressure spray apparatus for removing heat conduction inhibiting deposits on U-tubes at the top of a shell and tube type of nuclear steam generator (10) tube bundle (16) by crawling along flanged outboard support beams (18) above the U-tubes bundle. The apparatus includes: a crawler (66) with motive means 68 for "inch worm" movement; a rotationally driven base 62 provides movement of the sprayhead to either side of the outboard support beam; a rotationally driven extension arm 60 on rotating base 62 has an elongated reciprocally driven elevator 58 thereon; and, a wrist 52 reversibly and rotatably driven by motor 54a sweeps sprayhead 52 with nozzles 56 to clean the top of the bundle 16 tube lanes of 90.degree., 45.degree. and 135.degree. efficiently.

Abstract: A device to clean a transport belt of a machine for manufacturing a material web, in particular paper or cardboard web, is provided which includes at least one nozzle that can impart a medium under pressure and is designed to rotate on a rotational axis. The device is characterized in that the rotational speed of the nozzle for a gentle cleaning of the transport belt lies in the range of from about 2500 rpm to about 4000 rpm, and for an intensive cleaning of the transport belt in the range of from about 1000 rpm to about 2500 rpm.

Abstract: A cleaning apparatus for a boiler including a boiler enclosure having a plurality of spaced-apart heat exchange tubes positioned therein comprising a movable support positioned outwardly of the boiler enclosure having a first, elongated hollow pipe extending therefrom which is introduced into the boiler enclosure. A pair of spray arms are mounted on the end of the first pipe and rotate with the pipe to supply high pressure cleaning water onto the tubes so that debris is washed from the heat exchange tubes. An optional cooling jacket is also described which may be positioned around the first pipe for cooling the first pipe.

Abstract: An apparatus for a decoking system, for raising and lowering a cutting tool into a coking drum, has at least one rigid vertical member extending above the coking drum with a toothed rack extending substantially the full height of the member. A rigid frame with provisions for mounting a cutting tool is movably mounted to the rigid vertical member. A motor is mounted to the rigid frame and powers a pinion gear which is drivably engaged on the toothed rack such that rotation of the pinion gear raises or lowers the rigid frame on the vertical member.

Abstract: Apparatus and method for cleansing fishing reels by spraying water as a fine, impalpable fog which condenses on the reel and runs off as it coalesces taking salt and other accumulants. The fog does not penetrate into the reel interior as an eventual source of rust and corrosion.

Abstract: A processing apparatus comprises a resist coating machine for coating resist on the surface of a substrate, a resist removing machine for removing the unnecessary resist stuck to the peripheral portion of the substrate carried out of the resist coating machine, and a transport arm for transporting the substrate from the resist coating machine to the resist removing machine, wherein the resist removing machine comprises a substrate table on which the substrate brought in by the transport arm is placed, a nozzle for spraying a solvent on the peripheral portion to remove the unnecessary resist stuck to the peripheral portion of the substrate on the substrate table; a discharge machine for discharging the solvent used to dissolve and remove the unnecessary resist and the dissolved and removed resist, and an exhaust machine for exhausting the atmosphere under the substrate table downward.

Abstract: Apparatus for removing a liquid (2) containing suspendible solid matter from a tank (1) comprises a plurality of nozzles (47) located at the lower region of the tank. A pump (10) removes the liquid and ejects it through the nozzles (47) to cause resuspension of settled solid matter. When sufficient resuspension has occurred, the tank (1) is emptied by opening a valve to remove a portion of the liquid being transferred to the nozzles (47). The nozzles (47) are arranged as oppositely facing pairs ofjet nozzles at the lower end of a rotatable vertical pipe (46). The pump (10) is suspended by a cable (13) connected to a drum (19) which can be rotated to raise or lower the pump. A pump outlet (12) is connected to a flexible hose (27) which is wound around the drum (19) or around a separate drum (110). A movable containment flask (14) houses the drum (19) and accommodates the pump (10) when withdrawn from the tank (1).

Abstract: Cleaning device to clean a roll, e.g., a concrete or granite roll, in a paper machine. The cleaning device may include a spray unit that may include a high-pressure spray device having an operational pressure of at least approximately 10 bar to spray a surface of the roll with a cleaning agent and a device to remove the cleaning agent from the roll surface.

Abstract: A substrate treating method and apparatus for treating a substrate by supplying a developing solution thereto while spinning the substrate. A nozzle having a plurality of discharge openings for discharging the developer is disposed such that the discharge openings are at different distances from the spin center of the substrate. The developer is discharged from the nozzle while the latter is moved radially of the substrate. The discharge openings then describe loci not overlapping one another over the substrate. The developer is evenly supplied over the substrate to promote the uniformity of development on the substrate surface.

Abstract: In accordance with the present invention, there is provided portable fluid application and rinse apparatus for applying a first fluid and for rinsing with a second fluid. A first storage reservoir retains the first fluid and has an outlet. A first application conduit communicates with the outlet of the first storage reservoir. The first application conduit receives the first fluid from the outlet of the first storage reservoir and dispenses the first fluid therethrough. A first drain pan receives the first fluid. A second storage reservoir retains the second fluid and has an inlet and an outlet. A second application conduit communicates with the outlet of the second storage reservoir. The second application conduit receives the second fluid from the outlet of the second storage reservoir and dispenses the second fluid therethrough. A concentration measuring device measures the concentration of the second fluid.

Abstract: A megasonic cleaning system includes a transducer on which a substrate to be cleaned is placed. An oscillating electrically energy source is coupled to the transducer for driving the transducer to produce acoustical energy at substantially megasonic frequencies to vibrate the substrate. A blower assembly is arranged over the substrate, and the blower assembly contains a hollow elongate member having a plurality of nozzles spaced along a length thereof. A drive mechanism is connected to the blower assembly such that the blower assembly is horizontally movable relative to the surface of the substrate. A source of cleaning fluid is in flow communication with the nozzles, and the nozzles are arranged such that a flow path of cleaning fluid through the nozzles is inclined toward an upper surface of the substrate to be cleaned. A vacuum source is in flow communication with the substrate for vacuum-adhering the substrate on the transducer via a vacuum force.

Abstract: A cleaning station for cleaning parts from apparatus that itself uses a water spray to clean a toxic gas. The cleaning station has a tray and a sink for holding a part to be spray cleaned and the sink is connected to drain the spray water into the drain system of the gas cleaning apparatus.

Abstract: In order to remove, after treatment of wafer-shaped articles (2), prefera a silicon wafer, with a treatment medium, preferably with an etching fluid, on the bottom of wafer-shaped article (2), i.e. the side facing chuck (1) for wafer-shaped article (2), residual treatment medium adhering in its edge area, there is nozzle (20) from which flushing liquid, preferably deionized water, can be sprayed onto the outside edge of article (2) and between chuck (1) and wafer-shaped article (2). The flushing liquid, which penetrates more or less deeply, depending on the pressure with which the flushing liquid emerges from nozzle (20) and depending on the alignment of nozzle (20) relative to wafer-shaped article (2), is flung off again by the rotation of wafer-shaped article (2) and in doing so entrains residues of treatment medium. For optimum action the alignment of nozzle (20) can be changed relative to edge (16) of wafer-shaped article (2).

Abstract: This invention is directed to a multipurpose repair and maintenance apparatus for aerial inspection, repair and cleaning, comprising a work platform for installation on the skids of an helicopter and sustaining a boom assembly and a fluid circuit such that the loads on the work platform are fully balanced. The work platform is made of electrically conductive material and all electrically conductive parts of the apparatus are connected to the electrically conductive parts of the helicopter to have same electrical potential. The boom assembly extends from the port side of the work platform and has an inboard section and an outboard section. A pumping assembly is mounted on a power drive mount at the starboard side of the platform, so as to balance the weight of the boom assembly. A boom actuator is provided at the onboard end of the boom assembly and controls the vertical and horizontal movement of the outboard end.

Abstract: The present invention relates to an apparatus for performing nonmanual tasks on and adjacent vertical or nearly vertical surfaces. The apparatus is designed so that a portion of the apparatus can traverse the vertical or nearly vertical surfaces of structures which may include obstacles such as window frames or gaps created by window seams, without coming into physical contact with those surfaces. The apparatus includes a top control unit, a vehicle for traversing the vertical or near vertical surfaces, and a bottom control unit. The vehicle is maintained in a near constant spaced relationship to vertical or nearly vertical surfaces by elongated flexible members that connect the vehicle to the top control unit and bottom control unit.

Abstract: In order to provide an improved pipe washing apparatus guaranteed to be free of the wearing and/or breaking of nozzle shaft, it is provided with a nozzle support to be fixed to the end of a washing hose, which is to be inserted in a pipe to be washed inside, a cylindrical nozzle rotatably fixed to the nozzle support and a nozzle guide member fixed to the forward end of the nozzle for guiding the nozzle along the inner circumference of the pipe. The nozzle support has a longitudinal water channel made along its center axis and closed at its forward end, and lateral jet outlets extending from the longitudinal water channel to open on the cylindrical circumference of the nozzle support.

Abstract: A wafer processing apparatus is provided and includes a wafer carrier positioned in a processing vessel and arranged to support a plurality of wafers within the processing vessel such that the wafers define respective wafer gaps between adjacent wafers. A drive assembly is arranged to position respective processing plates in the respective wafer gaps such that respective major plate surfaces oppose respective major wafer surfaces. The processing plates are arranged to initiate a wafer processing operation.

Abstract: A remotely controlled pressurized liquid dispensing mobile unit having a pair of magnetic tracks by which the unit is attracted to and moved along a metallic body to which the pressurized liquid is dispensed.

Abstract: There is provided a cleaning apparatus for a surface of a sheet steel capable of satisfactorily removing scale from a surface of a sheet steel before, for example, hot rolling. Waters (42a, 46a) are ejected from nozzles (42, 46), with an ejection pressure of 100 kg/cm.sup.2, a flow rate of 60 liters/minute and an ejection angle of 20.degree. with respect to normal of the surface (32a) of the sheet steel, toward a downward-stream end with respect to a carrying direction. On the other hand, waters (44a, 48a) are ejected also from nozzles (44, 48), with the same ejection pressure, flow rate and ejection angle as those of the nozzles (42, 46), but different in the ejecting direction. That is, waters (44a, 48a) are ejected toward an upward-stream end with respect to the carrying direction.

Abstract: A fluid driven tank cleaning device is provided. The device includes an inlet that connects to a source of cleaning solution under pressure and a stem coupled to the inlet having a fluid receiving chamber. A hermetically sealed gear box is also provided which is coupled to the stem and has a secondary chamber separated from the receiving chamber by a common wall. A primary drive shaft rotatably mounted within the fluid receiving chamber is driven by an impeller which rotates in response to fluid entering the fluid receiving chamber. The primary drive shaft is magnetically coupled to a secondary drive shaft rotatably mounted within the secondary chamber. A gear train reduces the speed of the secondary shaft. A first output shaft rotatably mounted within the secondary chamber is connected to the secondary drive shaft via the gear train. The output shaft is magnetically coupled to a second output shaft which rotates a main housing relative to the stem about a first axis.

Abstract: A high pressure washing device is provided which is suited for high pressure cleaning of vehicles and, in particular, the highly creviced or inaccessible surfaces of that vehicle including the vehicle front and rear bumper areas, rocker panel areas and the wheels. The invention provides a cleaning system having the advantages of a rotary and fixed nozzle system which provides maximum cleaning strength and coverage through reciprocal oscillation of a nozzle system while also system which rotates the nozzles. Still further, the device may rotate about a third access to track a vehicle in an automated car wash.

Abstract: A method of washing objects in a dishwasher having upper and lower spray arms within a wash chamber and a sump filter. Wash liquid entering a sump from the wash chamber to be recirculated by a pump is filtered the filter to prevent soils from entering the sump and being recirculated. When the lower spray arm is operating, wash liquid is directly sprayed onto the filter from a clean-out nozzle on the lower spray arm to clean soils off the filter and prevent the filter from clogging. During a pre-wash cycle and at least one pre-rinse cycle, wash liquid is continuously sprayed from only the lower spray arm to prevent the filter from clogging when heavy soils are removed. During a wash cycle and at least one rinse cycle, wash liquid is alternately sprayed from the lower spray arm and the upper spray arm when the heavy soils have already been removed and it is less likely the filter will become clogged.

Abstract: A steam generator lancing system for cleaning tubes and tubesheets of a steam generator. The lancing system includes a nozzle block including at least one nozzle adapted for fluid communication with a high pressure hose. The lancing system also includes a support assembly including a carrier for transporting the nozzle block through the steam generator and a control system operative to selectively position the nozzle with respect to the tubes and tubesheets in the steam generator. Finally, in the preferred embodiment, the lancing system includes a rocker assembly operable to rotate the nozzle about a rocker axis to improve cleaning efficiency.

Abstract: A support for a garbage chute cleaning apparatus includes a cart having ground engaging wheels. Outrigger legs are provided for anchoring and providing lateral stability to the cart. A rotatably mounted reel is provided having a length of line mounted on the cart. Two telescopically extendible vertical support columns are mounted on the cart. A telescopically extendible horizontal cross-beam extends between the two vertical support columns. The horizontal cross-beam has a remote end with a line guide which receives line from the rotatably mounted reel. A Counterweight is mounted to the cart opposite the remote end of the horizontal cross-beam. This provides a counterbalance to a garbage chute cleaning apparatus supported from the line at the remote end of the horizontal cross-beam.

Abstract: A washing chamber (10) is surrounded by corner manifolds (14) and interconnecting conduits (16) extending along top, bottom, and side walls of the washing chamber. The conduits have nozzles (12) therein for spraying washing and rinsing liquids into the washing chamber. A central header assembly (40) includes a conduit (42) extending from one of the headers to a terminal end adjacent a central plane of the washing chamber. The central header assembly includes a header (46) with a manifold portion (48) and a plurality of extending arms (50) with nozzles on opposite sides. The header manifold portion is connected with the terminal end of the conduit (42). In one embodiment, a pivotal fluid connection and valve (44) enables the header to pivot between a position in the vertical plane and a stowed position parallel to the top of the washing chamber. In another embodiment, a quick-connect coupler system (100) interconnects the header with an outlet at the terminal end of the conduit (42).

Abstract: An apparatus preventive maintenance having a driving mechanism capable of driving a jet nozzle 24 to cause it to travel upward-and-downward, to rotate and to swing is settled on the top of a housing in the bottom portion of a reactor pressure vessel and on a hole for a fuel support piece, water pumped by a high pressure pump is spouted from a jet nozzle, and cavitation bubbles generated during the spouting are supplied to the positions to be treated for preventive maintenance, such as housings in the bottom portion of the reactor pressure vessel. Therewith, the residual tensile stress in the position to be treated is improved in a releasing direction by the energy generated by the collapsing of the cavitation bubbles.

Abstract: The disclosed method relate to a cleaning nozzle which, in multiple embodiments, is rotated in a circle or in an ellipse, being one nozzle in one embodiment and multiple nozzles in alternate embodiments so that the surface of a pipeline can be clean with high pressure water or other fluids. Furthermore, the rotating nozzle is supported in a carriage in one embodiment which encircles and travels along a pipeline. The carriage is supported by drive wheels which cooperate with separate drive motors and a control circuit to assure that the carriage remains upright. Multiple rotating nozzles are supported in the carriage to clean adjacent portions of the pipeline. Alternate embodiments are shown for cleaning a horizontal surface with a hand pushed or motorized version, and another version is disclosed supported on a moveable boom, thereby enabling cleaning of an upstanding vertical surface such as the hull of a ship.

Abstract: An apparatus and method are disclosed for producing and dispersing herbicidal foam within a sewer line in such a manner as to apply the foam to either the entire interior surface or a specific or a plurality of specific areas within a generally cylindrical line.

Abstract: A vehicle washing apparatus comprising a frame (2), the frame (2) and the vehicle (3) to be cleaned being arranged to move with respect to each other. The frame (2) comprises lateral sprayers (5) for spraying water to the sides of the vehicle (3) and overhead sprayers for spraying water to the upper part of the vehicle (3). The overhead sprayers (8) are divided into at least two groups such that the overhead sprayers in one group swing synchronously with the overhead sprayers in the other group to the opposite direction transversely to the vehicle (3) to be cleaned. The forces generated by the water jets from the sprayers (8) thus compensate for each other, whereby the vehicle washing apparatus (1) does not swing in the lateral direction.

Abstract: A sewer cleaning nozzle is provided for attachment to a hose for supplying cleaning fluid through the hose to a number of nozzle tips carried on the nozzle body for providing a sweeping action for material collected in the sewer pipe as the nozzle is pulled forwardly by pulling on the supply hose. The nozzle body includes a central pipe portion and a rearwardly mounted chamber portion attached to the pipe portion. The chamber portion defines a radial front face carrying a plurality of nozzle tips at angularly spaced positions. A conical deflector within the chamber deflects cleaning water along the pipe portion outwardly of the chamber to a curved wall portion of the chamber causing the water to move smoothly around the chamber forwardly to the nozzle tips. Further nozzle tips are provided on the pipe portion having a reduced outward angle relative to the nozzle tips on the front face.

Abstract: A drain flow control assembly for liquids draining from a sink or the like to a reservoir having a given liquid level. The flow control assembly includes a downtube with its inlet opening above the level of the liquid and its outlet below the liquid level, a divider plate surrounding the outlet opening and extending radially outwardly of the opening a distance equal to at least twice the diameter of the downtube opening. The assembly also includes a radially smaller, imperforate deflector plate positioned beneath and spaced closely apart from the divider plate, so as to form a radially extending transfer space between the two plates. When the assembly is positioned in a liquid-containing reservoir with the downtube outlet below the upper surface of the liquid, liquid flows vertically through the downtube outlet opening and then horizontally through the radial transfer space.

Abstract: A colostomy pouch rinsing device comprises a faucet coupling assembly including a central elbow member having an upper section including faucet coupling devices and a lower section including a first compression unit; a water control handle including a main body and a control lever coupled thereto; a rubber hose having an inboard end being coupled to the faucet coupling assembly, the outboard end of the hose being coupled to the water control handle; a spray head formed in a hollow, generally cylindrical configuration with an upper end including a plurality of water apertures projecting therethrough; and copper tubing with an inboard end being threadedly coupled to the projection member of the handle and an outboard end formed contiguously with the spray head.

Abstract: A header, a rotating head and a base piece are sequentially mounted on the end of a stand pipe. Water hoses attach to threaded connections in the header. Channels in the header and rotating head supply water from the water hoses to number of passages, that in turn carry water to a number of nozzles located along an outer face of the rotating head. The nozzles are pointed so as to create water jets, which break up material on the floor of a septic tank and generate a torque in the rotating head that turns it about the stand pipe. Spring-loaded legs on the base fold up to allow the apparatus to be inserted through an opening in the septic tank, then extend outward to provide a stable stand. An extension fits over the opening in the septic tank and effectively raises the opening of the septic tank to ground level. A cap covers the extension when not in use.

Abstract: A device is described for externally coating bodies of revolution which comprises means for mounting and rotatably driving the body to be coated, at least one coating compound application nozzle which is stationary relative to the rotational movement of the body, and drive means for the relative movement of the nozzle and body of revolution in the axial direction of the body. The nozzle is secured on the horizontal leg of an elbow disposed transversely to the nozzle axis, wherein the elbow is guided towards a restoring device in a horizontally displaceable manner by means of a vertically movable horizontal support arm. In operation the horizontal leg and support arm rest on the body of revolution and the other leg of the elbow laterally abutting the body.

Abstract: A device for cleaning rollers in paper producing machines such as those used to calendar paper in the process of manufacturing paper from pulp. The device cleans rollers in paper producing machines with a high pressure hydrospray, while the rollers remain in the machine, thus, eliminating the need to remove the rollers from the machine in order to clean them.

Abstract: A fluid driven tank cleaning device is provided. The device includes an inlet that connects to a source of cleaning solution under pressure and a stem coupled to the inlet having a fluid receiving chamber. A hermetically sealed gear box is also provided which is coupled to the stem and has a secondary chamber separated from the receiving chamber by a common wall. A primary drive shaft rotatably mounted within the fluid receiving chamber is driven by an impeller which rotates in response to fluid entering the fluid receiving chamber. The primary drive shaft is magnetically coupled to a secondary drive shaft rotatably mounted within the secondary chamber. A gear train reduces the speed of the secondary shaft. A first output shaft rotatably mounted within the secondary chamber is connected to the secondary drive shaft via the gear train. The output shaft is magnetically coupled to a second output shaft which rotates a main housing relative to the stem about a first axis.

Abstract: A blowing device for a belt grinding machine has a nozzle arrangement having nozzles positioned relative to its grinding belt for blowing cleaning air jets onto the circulating grinding belt. The device further has an oscillating drive to oscillate the nozzle arrangement in the longitudinal direction thereof. A pair of elastic members suspend the nozzle arrangement, which is oscillated in the longitudinal direction by using a magnetic field. A ferromagnetic member is connected to the nozzle arrangement and is positioned within the magnetic field produced by an electric coil. By varying the magnetic field, the nozzle arrangement can be moved in the longitudinal direction, the spring providing an elastic restoring force to move the nozzle arrangement is the opposite direction when the magnetic field is turned off.

Abstract: In a first embodiment, a high pressure fluid blaster includes a rotating nozzle which has a plurality of separate fluid jet orifices. The fluid jet orifices are geometrically configured such that rotation of the nozzle in a single direction, i.e. clockwise, results in the desired metal cleaning or stripping. The plurality of jets are divided into two or more sets, each set having at least one jet therein, with the jets in each set oriented at a different angle from the jets in the other sets. This configuration will produce tubular streams of fluid as the nozzle rotates such that the streams first converge, then intersect, and finally diverge. As the jet streams are applied to a surface after the streams have diverged, they score the surface with concentric circular grooves due to the force of the high pressure fluid.

Abstract: The disclosed apparatus and method relate to a cleaning nozzle which, in multiple embodiments, is rotated in a circle or in an ellipse, being one nozzle in one embodiment and multiple nozzles in alternate embodiments so that the surface of a pipeline can be clean with high pressure water or other fluids. Furthermore, the rotating nozzle is supported in a carriage in one embodiment which encircles and travels along a pipeline. The carriage is supported by drive wheels which cooperate with separate drive motors and a control circuit to assure that the carriage remains upright. Multiple rotating nozzles are supported in the carriage to clean adjacent portions of the pipeline. Alternate embodiments are shown for cleaning a horizontal surface with a hand pushed or motorized version, and another version is disclosed supported on a moveable boom, thereby enabling cleaning of an upstanding vertical surface such as the hull of a ship.

Abstract: A distribution valve for a high-pressure pump comprises a closed valve housing (1), in which a valve rotor (2) is rotatably mounted. The valve rotor is adapted during rotation, preferably indexing, to alternately open and close the flow path to a series of outlet ports (8) in the valve housing, such that the pumping medium is distributed via the ports concerned out to individual nozzles disposed in a succession. The distribution valve is extended especially for use in a device for washing the interior of a building. The device comprises a carriage, which is movable back and forth and has a frame on which the nozzles are mounted.

Abstract: A drain flow control assembly for liquids draining from a sink or the like to a reservoir having a given liquid level. The flow control assembly includes a downtube with its inlet opening above the level of the liquid and its outlet below the liquid level, a divider plate surrounding the outlet opening and extending radially outwardly of the opening a distance equal to at least twice the diameter of the downtube opening. The assembly also includes a radially smaller, imperforate deflector plate positioned beneath and spaced closely apart from the divider plate, so as to form a radially extending transfer space between the two plates. When the assembly is positioned in a liquid-containing reservoir with the downtube outlet below the upper surface of the liquid, liquid flows vertically through the downtube outlet opening and then horizontally through the radial transfer space.

Abstract: A semiconductor processor and methods using pillar shaped liquid emitters. The emitters have emission ports upon which liquid domes of processing chemicals are formed. The domes are applied to the surface of a wafer to wash discrete areas and thereby allow gases evolved from the reaction to easily escape about the domes and through gas passageways existing about the pillars. The wafer is rotated to provide even processing of the treated surface.

Abstract: Apparatus for cleaning a container having a top, an opening in the top, bottom, sides and a longitudinal axis comprises a sprayhead for spraying cleaning solution inside the container and being translatably moveable along the container longitudinal axis and rotatably moveable about the container longitudinal axis. The sprayhead has a pair of spray nozzle orifices opposing and crossing one another and being aimed downwardly into the container. Respective solution streams exiting the pair of nozzle orifices cross and clean the bottom of the container completely to its center. An alternative form of cleaning apparatus for cleaning a container having a fixed agitator comprises a sprayhead for spraying cleaning solution having a pair of nozzle orifices oppositely directed to one another and being aimed toward the sides of the container and defining an axis offset from the sprayhead longitudinal axis.

Abstract: A gutter washer comprising a wheel-shaped guide disposed rotatably on a cylindrical section of a nozzle is adapted to run on a roof gutter rim. The guide comprises a guide rim projecting radially from one end of a guide hub member, which rotates on the nozzle cylindrical section, and a plurality of lugs jutting radially from an opposite end of the hub member. Thus, the hub member becomes a circumferential track with the guide lugs running inside and the guide rim running outside of the gutter rim. When a gutter spike is encountered, the guide lugs step over it while keeping at least 2 lugs below the rim which is tangent to the circumferential track. A rigid tube is attached to the nozzle near the guide rim at a first tube end; the second tube end is adapted for connection of a garden water hose.