Abstract: An apparatus for preparing a substrate is provided. The apparatus includes a proximity head and a megasonic proximity head. The proximity head is configured to be applied to a substrate frontside and is capable of generating a preparation meniscus on the substrate frontside. The preparation meniscus includes a preparation chemistry that is configured to remove a material defined on the substrate frontside. The megasonic proximity head is configured to be applied to a substrate backside, and is capable of generating a coupling meniscus on the substrate backside. The megasonic proximity head is further capable of imparting megasonic energy to the coupling meniscus. The megasonic energy imparted to the coupling meniscus is configured to enhance a mass transport of the preparation chemistry through a material to be removed on the substrate frontside.

Abstract: An apparatus is provided for collecting waste water from cleaning operations performed on aircraft turbine engines. The apparatus comprises a frame structure. On the frame structure a support arm is pivotally mounted. An actuator arm is arranged to raise and lower the support arm between an essentially horizontal transport position to an operative position forming an angle in the range of more than 0° to 90° or less with respect to the horizontal. A liquid separation device is pivotally attached to the support arm so as to be movable around both a horizontal and a vertical axis.

Abstract: A home appliance includes an evaporator of a condenser in a process air circuit, a condensate water pan that collects water condensed by the evaporator from drying of process air, a collector tank above the evaporator having one of a rinsing tank and a rinsing chamber with a storage chamber as an overflow region, and an abruptly openable outlet, and a downpipe connected to the abruptly openable outlet to permit discharge of condensate water in the collector tank in a surge to the evaporator.

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: A device for washing and storing machinery is provided. This device includes a storage apparatus and a washing apparatus formed integrally with the storage apparatus. The storage apparatus further includes: a housing defining an internal chamber therein; a base attached to the bottom portion of the housing, wherein the base further includes at least one aperture formed therein; a debris tray attached to the base, wherein a portion of the tray is positionable beneath the aperture formed in the base; and a door for gaining access to the internal chamber, wherein the door further includes a floating upper portion and a lower portion connected to the base. The washing apparatus further includes: a plurality of directional sprayers, wherein the plurality of directional sprayers are located within the housing and the base; and plumbing for connecting the plurality of sprayers to one another and to a source of pressurized fluid.

Abstract: A glass sheet washing machine with a broken glass removal system includes a support, a liquid container or reservoir, a pump, a liquid applicator, and a liquid permeable member. The support supports a glass sheet being washed. The liquid reservoir is positioned below the support. The pump is coupled to the liquid reservoir. The liquid applicator is coupled to the pump. The liquid applicator applies the liquid from the liquid reservoir to wash the glass sheet. Excess liquid falls into the reservoir. The liquid permeable member is positioned between the support and the liquid reservoir to catch pieces of glass to inhibit the pieces of broken glass from falling into the liquid reservoir and is moved to remove the pieces from the glass washing machine.

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 aqueous tube cleaning system as described herein can be utilized to clean a plurality of tubes having different lengths. The system includes a tower assembly having a wash chamber that houses the tubes during the cleaning cycle. The tower assembly is held in a horizontal load/unload position for loading and unloading of the tubes. The system rotates the tower assembly into a vertical cleaning orientation to accommodate cleaning with cleaning and rinse solutions, which flow through and around the tubes using the force of gravity. After rinsing and draining, the tower assembly is rotated back to the horizontal position for unloading.

Abstract: An exemplary apparatus for wet processing a substantially rectangular substrate includes a conveyor, a supporting mechanism, an adjusting mechanism, a processing module and a dosing system. The conveyor is configured for conveying the substrate to a wet process work station. The supporting mechanism is configured for supporting the substrate away from the conveyor. The adjusting mechanism is configured for adjusting the orientation of the substrate. The processing module is configured for obtaining an area of a surface of the substrate. The dosing system communicates with the processing unit, and is configured for dispensing a corresponding amount of wet processing liquid to the substrate to wet process the substrate according to the area of the surface of the substrate from the processing module.

Abstract: An edge cleaning device, a system for cleaning an outside edge of a movable, coated web, and a method of cleaning the outside edge of the movable, coated web include a unique combination of desirable features. An edge cleaner device is automatically positioned with respect to an outside edge of a movable, coated web, wherein the edge cleaner device is positioned upstream from a backing roller for operatively engaging an underside of the moving, coated web. A fluid jet from a nozzle assembly of the edge cleaner device is applied toward the underside and the outside edge of the moving, coated web. A scraper device can be operatively engaged with an upper surface of the moving web without contacting an upper surface of the backing roller and the collection device may be imparted with a vacuum to assist in the removal of excess coating collected by the edge cleaning device.

Abstract: A dry cleaning apparatus which causes cleaning agent to fly in a gas current to impact an object to be cleaned so as to remove extraneous substance attached to the object includes a cleaning tank defining an interior space for accommodating the cleaning agent and the object with the attached extraneous substance, an inflow unit configured to guide a gas current into the cleaning tank through an inlet, an aspiration unit configured to discharge gas from the cleaning tank through an aspiration opening, and a separation unit disposed between the interior space of the cleaning tank and both the inflow unit and the aspiration unit, the separation unit having openings that allow the gas and the extraneous substance to pass through but do not allow the cleaning agent to pass through, wherein the inlet, the aspiration opening, and the separation unit are configured such that relative motion is created between the separation unit and both the inlet and the aspiration opening.

Abstract: The invention relates to a dishwasher comprising a tub with a sequester located within the tub to sequester the particles that remain in the tub near a drain outlet.

Abstract: A liquid-scattering prevention cup, provided in a substrate processing apparatus, is capable of attaching a hydrophilic member, such as a PVA sponge, to an inner surface of a liquid-scattering prevention cup body easily and efficiently. The liquid-scattering prevention cup includes a liquid-scattering prevention cup body, and a liquid-scattering prevention sheet having a surface hydrophilic material layer, attached to an entire area or a predetermined area of the inner surface of the liquid-scattering prevention cup body. The liquid-scattering prevention sheet has been attached to the liquid-scattering prevention cup body by an attachment such that the hydrophilic material layer is exposed.

Abstract: Disclosed herein is a dish washing machine including a sump unit capable of reducing the number of elements thereof, and minimizing the number of coupling portions of the elements. The dish washing machine includes a washing tub, a sump unit arranged in the washing tub, and at least one injection nozzle to inject wash water into the washing tub. The sump unit includes a sump housing, an impeller to pump wash water from the sump housing, a guide member, to which the sump housing is mounted, the guide member guiding the wash water pumped by the impeller directly to the at least one injection nozzle, and a housing cover to cover the sump housing and the guide member. The housing cover is formed with a garbage chamber to collect garbage contained in the wash water.

Abstract: A circulation-air generating unit directly generates circulation air that flows along a surface of a cleaning tank. The circulation air is applied to cleaning medium accumulated on the cleaning tank from a direction orthogonal to a direction of face of the cleaning medium to deliver and flow up the cleaning medium. The cleaning medium is flown up inside the cleaning tank by the force of the circulation air. The cleaning medium flowing inside the cleaning tank collides with a cleaning target object by high-velocity air supplied from a cleaning-medium accelerating unit to remove dust on the cleaning target object.

Abstract: A dishwasher includes a sump for receiving washing water, a washing pump for pumping the washing water from the sump, a drain chamber for receiving the pumped washing water, and a filtering unit disposed above the drain chamber. The filtering unit includes a contaminated water for receiving and filtering the washing water that has passed through the drain chamber.

Abstract: A method of cleaning at least one of grime and built-up ice off a rotor blade of a wind turbine includes, in an exemplary embodiment, positioning a rotor blade in an immobile position in a downward orientation substantially parallel to the tower, positioning a tank containing a cleaning solution directly below the rotor blade, and positioning a plurality of lifting arms adjacent the tank. The plurality of lifting arms are attached to an elliptical spray head with at least one pipe connected to the elliptical spray head and to a pump operatively coupled to the tank. The method also includes raising the lifting arms to lift the elliptical spray head to a predetermined position along a longitudinal axis of the rotor blade, pumping cleaning solution from the tank to the elliptical spray head, spraying the cleaning solution onto an outer surface of the rotor blade to clean the rotor blade, and collecting the spent cleaning solution in the tank.

Abstract: The present invention relates to a dishwasher. In more detail, the present invention provides a dishwasher including a sump housing for holding washing water, a washing water pumping unit for pumping the washing water, a drain chamber for receiving the washing water pumped thus, a soil chamber for receiving the washing water through the drain chamber, a guide assembly for guiding the washing water pumped thus to be provided to the soil chamber via the drain chamber, and a sump cover covered on an upper surface of the sump housing for filtering the washing water overflowed from the soil chamber, thereby filtering the washing water effectively, and improving recovery ratio of the washing water to reduce consumption of the washing water and power.

Abstract: To clean an atomizer used for automatic series-production coating of work pieces in a cleaning device provided for this purpose, the outer housing of the atomizer is sprayed by nozzles of the cleaning device, while simultaneously painting and rinsing agents sprayed by the spray head of the atomizer in a short rinsing process are captured and discharged through a pipe section in the interior of the cleaning device. In electrostatic atomizers, voltage equalization between the atomizer and the cleaning device is performed beforehand. Through additional measures, the atomizer can be moved by the handling machine provided for this purpose only from one proper direction towards the cleaning device.

Abstract: The present invention provides a sump assembly of a dishwasher, by which water can be purified. The present invention includes a sump housing storing water therein, a pump coupled with the sump housing to pump the water, a guide assembly provided within the sump housing to guide the pumped water to a sprayer, and a drain chamber configured to filter contaminant from the water drained from the guide assembly.

Abstract: A liquid processing method performs a liquid process after an etching target film formed on a surface of a substrate is etched through a hard mask layer used as an etching mask and having a predetermined pattern formed therein. The liquid process is used for removing the hard mask layer and a polymer deposited due to etching. The method includes a second step of switching from a discard side to a collection side for collecting a chemical liquid used in the liquid process and recycling the chemical liquid in the liquid process, when the hard mask layer is removed by a first step to a residual quantity at which the chemical liquid used in the liquid process becomes collectable for reuse.

Abstract: Equipment is realized which is capable of increasing the frequency of use of a deposition mask of an organic EL element and the recycle of an adhesive agent by efficiently cleaning the deposition mask with little damage and efficiently collecting the adhesive agent. A pulse laser is irradiated to a deposition mask to separate the deposition agent from the deposition mask. The separated deposition agent is sucked by a suction nozzle, and the deposition agent is separated from air by a cyclone and deposited on a bottom of the cyclone. Thereafter, a first valve is opened to collect the deposition agent in a deposition agent collection section. Then a second valve is opened to move the deposition agent to a deposition agent refining section to be refined. A third valve is opened to store the refined deposition agent in a deposition agent storage section. The deposition mask may be cleaned without being damaged to collect the deposition agent with high efficiency.

Abstract: A rinsing container is provided for use in a process air circuit of a washer or washer/dryer and receives condensation water from a condensation water tank that collects condensation water acquired in the process air circuit from the drying of wet laundry. The rinsing container is provided above the condenser and dispenses a gush of water to a selected component via the sudden opening of the rinsing container on its outlet side.

Abstract: Collection system for facilitating engine gaspath cleaning and a water-sealed, chemically resistant suit that at least partially covers the body of a turbojet or turbofan engine. Sealed connections between the suit and hoses convey water and cleaning fluid. An input hose transmits cleaning fluids and water from a cleaning pump into the jet engine and one or more effluent output hoses transmit effluent fluids from the engine to a filtering system. The filter system may filter the effluent fluid of toxic chemicals and pump the filtered effluent fluid into containers for re-use or for environmentally safe disposal.

Abstract: A floor cleaning apparatus is disclosed including a nozzle assembly having an agitator cavity and a handle assembly pivotally connected to the nozzle assembly. The apparatus further includes a rotary agitator carried on the nozzle assembly in the agitator cavity. A dirt collection vessel is carried on either the nozzle assembly or the handle assembly. A drive linkage interconnects a drive motor with the rotary agitator. The drive linkage includes a ring gear including a dog clutch receiver and a dog clutch carried on the rotary agitator. The dog clutch engages the dog clutch receiver to interconnect the drive motor and the rotary agitator during normal operating conditions. In the event of an agitator Jam, the dog clutch functions to interrupt drive to the rotary agitator and protect the drive motor, rotary agitator and drive linkage from damage that might otherwise result from the overload.

Abstract: An electrically driven washing apparatus for washing especially cars and other vehicles, adapted for suitability in a franchise operation, where the machines are hired to franchisees and suitable controls are inherent in the design and operation of the apparatus, also adapted for in-parkade washing with collection of run-off water and storage for later disposal.

Abstract: There is provided a sump mounting structure of a dishwasher having a tub and a sump assembly mounted on a bottom of the tub. The sump mounting structure includes at least one mounting hook unit extending from an outer circumference of the sump assembly and a mounting ring unit associated with the mounting hook unit to prevent the mounting hook unit from shaking.

Abstract: An initial resistivity value of pure water is measured. A lifter is cleaned in a state where the pure water is continuously supplied to the rinsing tank to replenish the rising tank while the pure water is being drained from the rinsing tank. A resistivity value of the pure water in process of cleaning the lifter is measured at predetermined time intervals. A difference value between each of the resistivity values and the initial resistivity value is calculated, and the calculated difference values are integrated. An amount of residual chemical solution of the lifter in process of being cleaned is calculated based on an integration result thus obtained. A period of cleaning time necessary for the lifter to become clean in a state where a flow rate of the drained/replenishing pure water per unit time is maintained is calculated based on the amount of residual chemical solution.

Abstract: According to certain embodiments of the invention, a pressure washing system delivers a cleaning fluid under pressure to a surface to be cleaned, and includes a fluid pump unit for supplying the fluid to the surface. A fluid collector captures wastewater runoff of the cleaning fluid on the surface to be cleaned. The vacuum pump unit withdraws the captured waste fluid from the fluid collector.

Abstract: A cleaner comprises a hollow housing being blow molded and made of plastic materials, and including a washing sink and an inner chamber, the washing sink being integrally formed on the upper end surface of the hollow housing and in the shape of a recessed cavity, and including an outlet arranged on the bottom surface thereof for communicating with the inner chamber in which the solvent is filled; and a power portion secured in the hollow housing and including a fluid absorbing end and an output hose, the fluid absorbing end being located in the inner chamber, one end of the output hose being in communication with the fluid absorbing end, and another end thereof communicating with the exterior, the power portion being used to supply power to make the fluid absorbing end absorb the solvent in the inner chamber and discharge the solvent out of the output hose.

Abstract: A dishwasher includes a washing chamber defining a washing volume in which items to be washed are disposed and a storage container disposed in the washing chamber for retaining items at a predetermined storage location within the washing volume. A spray device is provided that is operable to spray at least one jet of liquid and a dissolving chamber having a chamber floor with at least one aperture is mounted to the storage container. The storage container and the spray device are mounted relative to one another such that the dissolving chamber is wetted with liquid that has been sprayed by the spray device.

Abstract: A support system for holding solar mirrors of a solar trough system includes a frame for supporting the mirrors. The system includes a rib attached to the frame. The system includes at least a first roller engaged with the rib along which the rib moves as the frame moves. A method for moving a frame supporting solar mirrors of a solar trough system includes the steps of moving the frame on a roller guided by a rib engaged with the roller and attached to the frame bottom to a first position. There is the step of moving the frame on the roller guided by the rib engaged with the roller and attached to the frame bottom to a second position. A roller for engaging with a rib attached to a frame that holds mirrors of a solar trough system. An apparatus for cleaning solar mirrors on a frame of a solar trough system. A method for cleaning mirrors on a framework of a solar trough system. A rib for a frame that holds solar mirrors of a solar trough system which engages with a roller.

Abstract: A system for recovering concrete wash product includes a support frame mounted pivotally to a chassis of a transit concrete mixing vehicle, and a container mounted to the frame for arcuate movement with the frame, between a collecting position with the container disposed below a discharge chute of the vehicle, and a dispensing position with the container disposed adjacent an opening of a mixing drum of the vehicle. The container initially is placed in the collecting position to receive concrete wash product from the discharge chute by gravity as the chute is cleaned with water. After cleaning, the frame is pivoted to raise the container to the dispensing position, and a valve is opened to allow the concrete wash product to flow from the container into the mixing drum by gravity. In vehicles equipped with booster axle systems, the booster axle frame supports and positions the container, and also supports and positions the booster wheel/axle assembly.

Abstract: The present invention relates to a processing apparatus for fluid-processing a process target body. The processing apparatus is configured to have: supply means for supplying a fluid; process target body processing means for processing the process target body by causing a fluid supplied from the supply means to come into contact with a process target body while preventing the fluid from being scattered; recovery means for recovering the fluid supplied to the process target body processing means; and support means for supporting the process target body processing means so as to not come into contact with the process target body.

Abstract: Disclosed is a liquid treatment apparatus capable of effectively exhausting processing liquid atmosphere around a target object. The liquid treatment apparatus includes a container, a support part located within the container that supports the target object, a rotation driving mechanism to rotate the target object supported by the support part, a processing liquid supply mechanism to supply a processing liquid to the target object, and a rotation cup, which is located outside of the outer circumference of the target object and is rotatable together with the support part. A rotation exhaust cup is arranged above the rotation cup and is rotatable together with the rotation cup. A discharge mechanism discharges processing liquid atmosphere guided by the rotation cup and the rotation exhaust cup.

Abstract: The present invention relates to an apparatus for washing eggs, wherein the eggs are conveyed by an endless roller conveyor in conveying direction T, wherein the roller conveyor is transmissive to a washing fluid, wherein the roller conveyor passes said apparatus, and wherein, all eggs are sprayed, by a washing fluid sprayer, with a washing fluid with substantially the same composition for all passing eggs, wherein the washing fluid sprayer comprises at least two sprayer units arranged above the conveyor in conveying direction, wherein a well-defined flow of washing fluid is set against the conveying direction onto the eggs, namely via the said at least first unit, and then, after collection and supply of said washing fluid of the said well-defined flow, to the at least second unit onto eggs following in upstream direction. With such an apparatus, a well-settable and controllable fluid flow is obtained.

Abstract: Provided are a cleaning device and a cleaning method of a semiconductor manufacturing apparatus, capable of performing a cleaning process more effectively as compared to conventional cases and obtaining a high cleaning effect. A semiconductor manufacturing apparatus cleaning device 100 includes a pure water steam generating vessel 2 for generating pure water steam from pure water; a supply port 5 for supplying the pure water steam to a cleaning target portion; a supply line 4 for connecting the pure water steam generating vessel with the supply port; a collection port 6 for collecting steam used in cleaning from the cleaning target portion; a collection vessel 8 for condensing and collecting the used steam; and a collection line 7 for connecting the collection port 6 with the collection vessel 8.

Abstract: A sump assembly for a dishwasher and associated method are provided. The sump assembly comprises an integrally-formed sump member defining a circulation pump volute receptacle and a drain pump volute receptacle. The circulation pump volute receptacle and the drain pump volute receptacle are adapted to receive respective pump and motor assemblies. Each of the volute receptacles is configured to receive the respective pump and motor assembly along a respective horizontal axis defined thereby. The drain pump volute receptacle includes a washing fluid input in direct communication with the circulation pump volute receptacle for receiving the washing fluid therefrom.

Abstract: An assembly used to scrape clean a vent pattern with a blade and catch or the scrapings.

Abstract: A substrate treatment apparatus includes: a substrate holding unit horizontally holding a substrate; a substrate rotating unit rotating the substrate held by the substrate holding unit around a vertical axis of rotation; a treatment solution supply unit for supplying a treatment solution to the substrate rotated by the substrate rotating unit; an exhaust tub having an exhaust port and storing the substrate holding unit therein; a plurality of guards stored in the exhaust tub and vertically movable independently of one another; an exhaust passage forming unit forming a capture port opposed to the peripheral edge portion of the substrate held by the substrate holding unit for capturing the treatment solution splashing from the substrate while forming an exhaust passage reaching the exhaust port from the capture port by vertically moving the guards; and an exhaust pipe connected to the exhaust port for exhausting the atmosphere in the exhaust tub through the exhaust port.

Abstract: A water-conducting domestic appliance includes a container with an expansion opening, an expansion component on the container, and an anti-twist device securing the expansion component in its assembly position.

Abstract: The invention relates to a device for cleaning carpets, fabric and upholstery. More specifically, the invention relates to the use of pressurised aerosol containers for cleaning carpets, fabric and upholstery.

Abstract: A method of cleaning an engine component, including: arranging a cap to provide a fluid seal with the engine component, wherein the cap includes an ultrasonic transducer and extends around a volume that is adjacent an exterior surface of the engine component; directing a cleaning fluid to contact the engine component via a supply conduit, wherein the directing involves the supply of cleaning fluid to said volume so as to contact said exterior surface; agitating the cleaning fluid by means of the ultrasonic transducer; and directing the cleaning fluid away from the component via a waste conduit.

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: A number of embodiments of improved wash fluid containment systems are described herein. The wash fluid containment systems may include side walls that allow the systems to be easily positioned on uneven ground. The side walls are designed to reduce or eliminate binding and/or gaps that occur when conventional systems are placed on uneven ground. In one embodiment, the side walls include different portions that are adjustable relative to each other to allow the side walls to accommodate the uneven ground. The side walls may include one or more horizontally oriented panels that are adjustable relative to one or more vertically oriented support members.

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: 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 foam-assisted cleaning comprising a closable container with a funnel-shaped working chamber formed between the surface of the semiconductor wafer and the tapered base plate. The apparatus is provided with a fluid supply unit that incorporates a foam generator in the form of conical body with a flat surface on a wider end face of the conical body. This flat surface functions as a deflector for jets of neutral gas ejected onto the deflector and reflected therefrom into the interior of the fluid supply body filled with a foamable liquid. The jets of neutral gas create a zone of reduced pressure that generates gas bubbles which form the foam. The latter is displaced from the foam generator into the working chamber through a Bernoulli nozzle formed by the tip of the conical body and the outlet opening of the foam generator. The foam is formed from de-ionized water, isopropyl alcohol, and, if necessary, a surfactant.

Abstract: A wash fluid containment system includes an elevated, fluid impervious surface upon which items to be washed are placed for washing. The surface is configured to cause wash fluid to flow to an edge of the surface and off of the surface to prevent buildup of wash fluid on the surface. A collecting trough is positioned in fluid flow communication with the edges of the surface to which the fluid flows to catch and collect the fluid as it flows from the surface. Used wash fluid is taken from the collecting trough for disposal or recycling and solids and debris can be easily removed from the trough.

Abstract: A wash pad and wash fluid containment system upon which items such as vehicles or equipment are positioned and supported for collecting wastewater occasioned when washing the items, the system having various combinations of the following: a central trench, left and right side wash pad sections positioned on opposite sides of the central trench, the left and right side wash pad sections preferably being of identical configuration and interchangeable, each side wash pad section having a sloped surface for directing wastewater toward the central trench; a partial side wall enclosure assembly disposed about an outer perimeter of three sides of the wash pad; integrated pressure washer system mounted on the rear wall; a retractable cover assembly including a tarp wrapped on a roller mounted on the rear wall; side wall extension system extending above the side walls including a frame and tarp sections hanging on the frame.