Abstract: This involves diagnosing the operation of a fuel vapor purge device on an internal combustion engine. The pressure value and/or mass flow rate admitted to the air inlet manifold is determined upstream of the manifold where it communicates with the vapor recirculation pipeline, a command to open the electrically operated purge valve is issued, the engine control electronics are provided with the pressure and/or mass flow rate value determined at the start, without taking account of the mass flow rate that should have passed through the valve if it is opened, the engine reacts, according to whether or not vapors have been supplied to the manifold, and at least one operating parameter of this engine is detected, and if this parameter does not reveal any variation in the engine operation it is deduced that there is a deficiency in the opening of the valve and/or a malfunctioning of the purge device.

Abstract: In the present method, a partial flow is guided through a partial flow line connected downstream of an exhaust gas outlet of an internal combustion engine, and is immediately thereafter supplied to an internal combustion engine either via a first valve, a bypass line which is connected directly downstream and a recirculation line. Alternatively, the partial exhaust gas flow can be supplied to the internal combustion engine via a second valve, a radiator which is connected directly downstream and a recirculation line. The first valve and the second valve are opened or closed as a function of the exhaust gas conditions, this being monitored by a sensor. A device for carrying out the method is also disclosed.

Abstract: An operating gas circulation type internal combustion engine that uses argon as the operating gas, for example, and includes a hydrogen and oxygen supply portion, an argon supply amount regulating portion, and an electric control unit. The electric control unit determines the amount of hydrogen and oxygen to be supplied to a combustion chamber based on a required torque, which is the torque required of the internal combustion engine, and supplies the determined amounts of hydrogen and oxygen to the combustion chamber using the hydrogen supply portion and the oxygen supply portion. Further, the electric control unit determines an amount of operating gas to be supplied to the combustion chamber according to the required torque, and controls the argon supply amount regulating portion such that the determined amount of operating gas is supplied to the combustion chamber.

Abstract: A system and method for using vegetable oil as fuel for a diesel engine includes: a diesel fuel tank; a vegetable oil fuel tank, a supply fuel valve for switching a supply fuel output port between a diesel fuel input port and a vegetable oil fuel input port; an overflow fuel valve for switching an overflow fuel input port between a vegetable oil fuel output port and a diesel fuel output port; a fuel selector switch; and an electronic block controller. The electronic block controller is for, in response to a user changing the fuel selector switch from diesel fuel to vegetable oil fuel, waiting a predetermined amount of time to allow the vegetable oil fuel to flush the diesel fuel to the overflow fuel valve, and then setting the overflow fuel valve to direct overflow vegetable oil fuel to the vegetable oil fuel tank. Cross-contamination of the fuel tanks is avoided.

Abstract: A pneumatic paintball marker has, for example, a sleeve that controls the passage of air through the longitudinal barrel or opening within the marker. By sequentially filling separate chambers defined within the opening and the sleeve, the sleeve is able to translate axially through the opening in a sequential manner. When the sleeve is in a forward position, air is caused to be released through the barrel, propelling the paintball. A sear member engages the sleeve and prevents it from inadvertently moving to a forward position. Air filling the chambers returns the sleeve to the loading position.

Abstract: Disclosed is in combination, a stove and a thermoelectric generator, wherein the stove has a heating chamber and the generator has a hot side plate positioned in use within the heating chamber in a direct path of the heat therefrom. The generator may be incorporated with a door of the stove. Preferably, the generator has a cold side plate positioned in use to be exposed to ambient air close to the ground. The cold side plate may comprise cooling fins and the cooling fins may be positioned to be exposed to ambient air close to the ground. The generator may further comprise a protective mechanism to protect the generator from overheating, such as a grillwork guard or a shutter that closes to block the direct heat from the generator mechanism. The stove may be a wood stove or a coal stove. Generated power can be used to power cooling fans, charge an energy storage device and/or power external devices such as lights, fans or radios for example.

Abstract: The invention relates to a device which can be used alternatively to heat and air-condition a space, such as a residential, working, or storage premises or room or any other enclosed area. The inventive device consists of a heating unit (1) comprising a closed firebox (2) with an air circuit which is used to release the calories produced by said closed firebox (2) and an optionally reversible air-conditioning unit, comprising at least two exchangers at least one of which, called inner exchanger, is placed in an inner air circuit that communicates with the exterior by means of the aforementioned calorie-releasing air circuit on the closed firebox to diffuse the air from inside the device externally. At least one of the exchangers shall be placed downstream and preferably at the outlet of the air circuit which is connected to the closed firebox (2).

Abstract: A combustion furnace includes a blower housing with a centrifugal blower impeller disposed therein and plural heat exchanger tubes disposed substantially around a major portion of the periphery of the impeller. The heat exchanger tubes receive combustion gasses from plural burner nozzles and discharge combustion gasses to a plenum in communication with a motor driven inducer gas pump. The integrated blower housing and heat exchanger may be disposed in a cabinet including support structure for a fuel delivery manifold, associated burner nozzles and forming air inlet and outlet openings for air being circulated by the blower.

Abstract: A grate bar and a grate for stepped-grate furnace stoker with directed-air combustion. Its principle application is in the field of furnaces for waste conversion units. The bar includes a flat part, whose top surface receives the incinerated elements, and that extends into two rear and front ends each forming a return that acts as a support point for the bar. It also includes a longitudinal projection under the flat part, extending at least partially between the rear and front ends. At least one wing is positioned under the flat part, on a first side of the longitudinal projection. In a characteristic manner, this wing has at least one lateral hollow-out which, together with the lateral hollow-out of a wing of a neighbouring bar, forms a passage for channeling air up to the front end of the bar.

Abstract: A grill assembly includes a grill frame having a first pair of notches on a first side of the grill frame and a second pair of notches on another side of the grill frame that is opposite the first side, wherein the first pair of notches and the second pair of notches are aligned along two axes of rotation that are substantially perpendicular to the first side of the grill frame; and a grill comprising two halves held together by a hinge such that the two halves can be folded to face each other, and four axle portions that are configured to fit in the first pair of notches and the second pair of notches of the grill frame.

Abstract: An outdoor grill (20) having interchangeable cooking accessories (60, 70, 80, 90, 100). As examples, the cooking accessories may include a hot dog cooker (70), a steamer, a food preparation assembly (60), a side burner, a griddle (80), a deep fryer (90), a rotisserie (100), or other cooking accessories. At least some of the cooking accessories may be sold separately from the grill (20), permitting a user to upgrade accessories when desired, or when cost constraints permit. A single grill frame and firebox (22) may be sold in the same store with different cooking accessories. Alternatively, the grill (20) may be sold in one store with a particular cooking accessory or accessories, and in another store with a different accessory. Some combinations may be sold only at particular stores, allowing a manufacturer to market specific grill combinations to a particular chain or store, and thus channel differentiation.

Abstract: Chemical heating using a first reactant, a second reactant and a complexing agent adapted to complex reversibly with the first reactant and, thereby moderate the reaction between the first and second reactants. The heating formula is particularly well suited for heaters that are used to heat materials having relatively high viscosities.

Abstract: The present invention relates to a tunnel oven having a baking chamber 4 and a conveyor for carrying items to be baked through the baking chamber 4. The oven 2 comprises an in-direct fired radiant heat source 22, a forced-air radiant heat source 26, the radiant and convective heat source 22a, 26, wherein there is an adjustment means 72, 349, 36, 202, 204, 210 to independently change the atmospheric moisture content in the baking chamber and the quantities of radiant and convective heat, the convective heat being adjustable between 0% and 100% of maximum available forced-air supply into the baking chamber 4.

Abstract: A tilt assembly is used with a solar collector assembly of the type comprising a frame, supporting a solar collector, for movement about a tilt axis by pivoting a drive element between first and second orientations. The tilt assembly comprises a drive element coupler connected to the drive element and a driver, the driver comprising a drive frame, a drive arm and a drive arm driver. The drive arm is mounted to the drive frame for pivotal movement about a drive arm axis. Movement on the drive arm mimics movement of the drive element. Drive element couplers can extend in opposite directions from the outer portion of the drive arm, whereby the assembly can be used between adjacent solar collector assemblies in a row of solar collector assemblies.

Abstract: A device for applying compression treatment to a part of a wearer's body includes an S-shaped bladder with at least first and second spaced apart sections in fluid communication. At least one opening is formed between the first and second sections. The at least one opening may a single opening extending along a majority of a length of the first and second sections. The at least one opening may be a plural of openings. At least one opening may be formed between the second section and a third section of the bladder.

Abstract: The present invention relates to a nebuliser and method of nebulising a liquid. The nebuliser includes a nebulisation chamber (1) having a well (2) adapted to contain a liquid (3) to be nebulised. An energy source in the form of an ultrasonic transducer (6) has as a curved energy transmission surface (7). This curved energy transmission surface defines a focal point (8) and a focal length (9). The energy source is spaced from the well such that the distance between the focal point and the energy source intrudes into the well not greater than 50% of the focal length. Preferably the well is shaped such that during nebulisation the level of the liquid in the well remains within a predetermined focal length range to thereby provide a substantially constant flowrateut of nebulised liquid. The nebuliser may also include a deflector baffle or fountain diverter (16) which acts to deflect the nebulised liquid fountain rising from the well.

Abstract: The present invention relates to a device and a method for administration of a substance to a mammal by means of inhalation. The device according to the invention comprises: aerosol means, for creating an aerosol, control means, for manipulating the aerosol in order to thereby control the particle size of the aerosol, wherein the device is provided with supply means for adding a substance to the aerosol, prior to or upon release of the aerosol from the device. The device according to the present invention is suitable for pulmonary delivery of substances, such as drugs.

Abstract: A respirator includes a first chamber, a second chamber, and a separator that separates the first chamber and the second chamber. A filtration system includes an inhale valve that only allows air to enter the respirator and an exhale valve that only allows air to exit the respirator. The system can be reversed so that the inhale valve and exhale valve may be positioned on either the first or second chamber. A replaceable filter can be provided that includes a supply canister including a supply of filter material, a take-up canister that receives used filter material, and a path between the supply canister and the take-up canister that guides the filter material across the respirator's inhale valve, exhale valve, or both the inhale and exhale valves.

Abstract: This invention relates to an evaporator comprising a casing (1; 21) and a heater (7; 27). Gas is supplied through an inlet (4; 24) and discharged through an outlet (5; 25). The casing forms an evaporating space (2; 22) and a heating space (3; 33) heated by the heater (7; 27). The evaporating space (2; 22) may be partially filled with a liquid (16; 36). The gas flows from the inlet (4; 24) via the heating space (3; 23) to the evaporating space (2; 22) and further to the outlet (5; 25). This invention moreover relates to an evaporator comprising an outer and an inner tub. The outer tub is heated. The inner tub may contain a water reserve and is inserted into the outer tub. The upper side of the bottom of the outer tub (8; 28) or the underside of the bottom of the inner tub (10; 30) is made of a soft elastic material. The invention finally relates to corresponding methods.

Abstract: A mechanical ventilation system includes a first channel, a bifurcation region, a second channel, and a third channel. The bifurcation region is connected to the first channel. The second channel and the third channel are connected to the bifurcation region, wherein at least one first disc is rotatably disposed within the second channel and at least one second disc is rotatably disposed within the third channel.

Abstract: An electrodynamic drive of a compact design is provided, particularly for a respiration system dispensing valve. The electrodynamic drive has a velocity measuring system that is uncoupled from the electrodynamic drive. The velocity measuring system is provided directly above a moving coil system, wherein the velocity measuring system has a short-circuit sleeve (15) for forming a separate magnetic circuit (221).

Abstract: A respiratory therapy device including a housing, a flow diverter structure, a high frequency pressure port (HF port), and an entrainment port. The housing defines a primary passageway having a patient interface side. The flow diverter structure is in fluid communication with the primary passageway and is characterized by the absence of a venturi tube. The HF port is configured for fluid connection to a source of oscillatory gas flow, and is fluidly associated with the flow diverter structure. The entrainment port is openable to ambient air, and is fluidly associated with the flow diverter structure. With this construction, the device is configured such that flow characteristics of gas flow from an external source are altered upon interacting with the flow diverter structure to create a pressure drop for drawing in ambient air through the entrainment port in delivering a percussive pressure therapy to the patient side.

Abstract: A patient interface device that includes a support member sized and configured to span at least a portion of a patient's face while remaining below the patient's eyes responsive to the patient interface device being donned by such a patient. A sealing assembly is attached to the support member via a snap assembly associated with the support member and the sealing assembly. The snap assembly allows the sealing assembly to selectively attach to the support member.

Abstract: A supplemental oxygen system with a rebreather bag in combination with a pulsed delivery system.

Abstract: Systems, methods, apparatus and devices for performing improved gynecologic and urologic procedures are disclosed. The system and devices provide simplified use and reduced risk of adverse events. Patient benefit is achieved through improved outcomes, reduced pain, especially peri-procedural pain, and reduced recovery times. The various embodiments enable procedures to be performed outside the hospital setting, such as in a doctor's office or clinic.

Abstract: A reusable foam ear insert is disclosed. The ear insert can comprise a foam body and a non-foam covering. The foam body can, for example, comprise foam rubber. The covering can, for example, comprise vinyl. The body is configured to be at least partially received within the ear canal and can be generally bullet shaped. The combination of the body and the covering can provide hearing protection. An optional bore can facilitate use in communications. The covering is resistant to soiling and is easily cleaned, thus facilitating reuse of the ear insert.

Abstract: A support board for intravenous devices and the like that is nonslip in order to prevent the I.V. from slipping to and fro, and eventually out of the patient. The support board, commonly an arm board, is a splint having an upper surface with a foam cushion adhered to it, a lower surface with a nonskid material adhered to it and a cloth-like stockinette covering the entire splint which abrades against both surfaces without slipping to and fro.

Abstract: The present invention provides, in certain aspects, medical devices deliverable into passageways and other open spaces in the body. In one embodiment, the invention provides a fistula plug for delivery into a fistula tract. This fistula plug comprises an elongate plug body, and a removable core material that is received in the plug body and effective to increase the column strength of the plug body. The plug body may be formed with one or more of a variety of biocompatible materials including some that are naturally derived and some that are non-naturally derived. The present invention also provides apparatuses and methods for delivering these and other medical devices into the body. One such apparatus comprises a fistula plug having a plug body, and a removable delivery device received in the plug body, wherein the delivery device is effective to deliver the plug body into a fistula tract when advanced therethrough.

Abstract: Disclosed herein are methods to treat benign prostatic hyperplasia (BPH) using bioactive-material eluting medical devices.

Abstract: A method of preparing a crimped tow of cellulose acetate filaments comprising the steps of: a) providing cellulose acetate dope b) forming filaments (23) from the dope c) applying at least one additive to the filaments d) crimping the filaments to form a crimped tow wherein the at least one additive is capable of removing a component from cigarette smoke. Preferably, the component is a Hoffmann analyte. The additive may comprise a solution, liquid, emulsion or particulate material or combinations thereof. Preferably, the additive comprises an acidic compound or an alkaline compound. The additive may comprise malic acid, potassium carbonate, citric acid, tartaric acid, lactic acid, ascorbic acid, polyethyleneimine, cyclodextrin, sodium hydroxide, sulphamic acid, sodium sulphamate, polyvinyl acetate and carboxylated acrylate, carbon, silica, zeolite, clay, alumina, metal, molecular sieves or an ion exchange resin.

Abstract: A cigarette is provided that includes a rod of smokable material circumscribed by an outer wrapping material and a filter element, which may include an adsorbent material such as activated carbon, attached to one end of the rod of smokable material. The smokable material includes at least about 5 percent by weight of a dark air-cured tobacco, based on the dry weight of the smokable material, blended with additional tobacco materials such as flue-cured tobacco, burley tobacco, Oriental tobacco, Maryland tobacco, and mixtures thereof.

Abstract: This invention relates to a production process of tobacco sheet by papermaking. The technical arrangement of this invention are: (a). to immerge and to extract tobacco stem and leaf scrap respectively by water-soluble solvents to respectively obtain solid tobacco stem and solid leaf scrap, and tobacco stem extract and leaf scrap extract via solid/liquid separation; (b). to defibrilate solid tobacco stem and solid leaf scrap respectively, to mix the obtained tobacco stem fiber and leaf scrap fiber and combined with dust to prepare fiber base; (c). to wholly or partly abnegate the tobacco stem extract obtained by Step (a), and to evaporated and to concentrate other extracts that then are sprayed or immerged to coat the formed fiber base that is then dried, threshed and shaped. The tobacco sheet production process offered by this invention has improved the tobacco sheet's filling capacity and its sensory quality.

Abstract: This invention discloses a method for adding tobacco dust in production process of the papermaking tobacco sheet and its equipment. The tobacco dust is added in 5-30% weight at four process points such as the pipeline from the slurry stabilization box to the slurry flow box, the long-net of the papermaking machine, the position from the vacuum couch to the first press, and the coating position on the papermaking machine. This invention adopts a method for adding the tobacco dust in production process of papermaking tobacco sheet, which has well improved its physical performances including the filling capacity of the papermaking tobacco sheet and solved smoking problems of the papermaking tobacco sheet, such as worse inherent quality, heavy stemy note, insipid tobacco aroma and etc. In addition, this method has also offered a good way to well utilize tobacco dust resource in sizes of 2 mm-100 mesh, which is abnegated in cigarette production, to save resource and to reduce the cigarette cost.

Abstract: An applicator tip is provided for operating in conjunction with a pierceable fluid reservoir. Assemblies in accordance with the invention can lead to an exceptionally easy to use, safe, and convenient system and method of applying a fixed dosage of chemicals to which a user might wish to avoid contact, such as parasiticides. The cap-applicator can have an internal piercing tip capable of piercing the reservoir when the assembly is converted into an active configuration. Projections can be provided, in the form of fins on a tube or a multi-prong structure with straight or curved projections. The tips of one or more projections can include dispensing ports or the ports can be recessed from the distal tip, such as in a notch, so as not to be obstructed if the distal tip of the cap is pressed against an animal to dispense the fluid.

Abstract: An assortment of color applicators applying cosmetic colors to specific regions of the user body including an instant eye shadow applicator, instant blush applicator, instant powder applicator, instant eye brow applicator and instant eye concealer, eye liner, lip liner, mascara, nails, deodorant applicator and lipstick. All of these applicators apply color directly to bare user skin or on top of an already colored area of user skin. Each application includes a soft color carrier sheet, impregnated with a pre-measured amount of cosmetic material fortified with vitamins, moisturizers and rapid application pigments. The make-up optionally contains anti-microbial and antibacterial agents.

Abstract: The applicator for applying a composition to the eyelashes comprises at least one brush sector comprising a row of fibers and at least one comb comprising a row of teeth and having a shape that is generally helical.

Abstract: Contemplated interactive cosmetic case sets include: a) a case component comprising at least two independent sections, b) a plurality of cosmetic pods, wherein the cosmetic pods are coupled with the case component, c) a mirror, wherein the mirror is coupled with the case component, and d) an audio, video or audio/video combination (AV) pod, wherein the pod is coupled with the case component. Methods are also provided of applying cosmetics that include providing an interactive cosmetic case set, opening the interactive cosmetic case set, engaging the audio, video or AV pod of the cosmetic set, reviewing a set of instructions provided by the audio, video or AV pod, and applying at least some of the cosmetics in the interactive cosmetic case set according to the instructions.

Abstract: A hair extension, a clasping mechanism, and a method of using the hair extension are provided herein. The hair extension may include a hair extension body formed of a plurality of strands of hair, and a clasping mechanism attached at an end portion of the hair extension body, the clasping mechanism having a first engaging part and a second engaging part disposed adjacent to one another, each of the first and second engaging parts being securely fixed flat on the hair extension body, the clasping mechanism being closable by folding the end portion of the hair extension body over to couple the first and second engaging parts together.

Abstract: A brush for applying mascara or the like, having an array with two visibly distinct portions, each portion made of the same type of fiber wherein one portion has been subjected to a treatment process and another has not; each portion for respectively performing a different function.

Abstract: A cosmetic accessory to aid in the application of lipstick and the like, having a container with a hinged lid and a reflective surface on the underside of the lid with the option of LED illumination, that may be removably affixed to any conventional cosmetic canister such as lipstick or eye liner tubes. A releasably attachable elastic loop at the bottom of the container is slid over the lipstick canister whereby the canister and container are held together.

Abstract: To clean an element in a vacuum chamber by causing particles sticking to the element to scatter, the present invention uses a means for applying a voltage to the element and causing the particles to scatter by utilizing Maxwell's stress, a means for electrically charging the particles and causing the particles to scatter by utilizing the Coulomb force, a means for introducing a gas into the vacuum chamber and causing the particles sticking to the element to scatter by causing a gas shock wave to hit the element, a means for heating the element and causing the particles to scatter by utilizing the thermal stress and thermophoretic force, or a means for causing the particles to scatter by applying mechanical vibrations to the element. The thus scattered particles are removed by carrying them in a gas flow in a relatively high pressure atmosphere.

Abstract: To clean an element in a vacuum chamber by causing particles sticking to the element to scatter, the present invention uses a means for applying a voltage to the element and causing the particles to scatter by utilizing Maxwell's stress, a means for electrically charging the particles and causing the particles to scatter by utilizing the Coulomb force, a means for introducing a gas into the vacuum chamber and causing the particles sticking to the element to scatter by causing a gas shock wave to hit the element, a means for heating the element and causing the particles to scatter by utilizing the thermal stress and thermophoretic force, or a means for causing the particles to scatter by applying mechanical vibrations to the element. The thus scattered particles are removed by carrying them in a gas flow in a relatively high pressure atmosphere.

Abstract: To clean an element in a vacuum chamber by causing particles sticking to the element to scatter, the present invention uses a means for applying a voltage to the element and causing the particles to scatter by utilizing Maxwell's stress, a means for electrically charging the particles and causing the particles to scatter by utilizing the Coulomb force, a means for introducing a gas into the vacuum chamber and causing the particles sticking to the element to scatter by causing a gas shock wave to hit the element, a means for heating the element and causing the particles to scatter by utilizing the thermal stress and thermophoretic force, or a means for causing the particles to scatter by applying mechanical vibrations to the element. The thus scattered particles are removed by carrying them in a gas flow in a relatively high pressure atmosphere.

Abstract: Systems and methods for cleaning particulate contaminants adhered to wafer surfaces are provided. A cleaning media including dispersed coupling elements suspended within the cleaning media is applied over a wafer surface. External energy is applied to the cleaning media to generate periodic shear stresses within the media. The periodic shear stresses impart momentum and/or drag forces on the coupling elements causing the coupling elements to interact with the particulate contaminants to remove the particulate contaminants from the wafer surfaces.

Abstract: A system and a method for wiping a windshield are provided here. The system may include a first elongated member and a second elongated member. Both members are coupled to each other. The distance between the members may be adjusted to sandwich the windshield between them. The system may be adjusted to fit the design of any windshield. The method includes the steps of placing the first member and second members across opposing sides of the windshield, and adjusting the distance between them according to the design and dimensions of the windshield.

Abstract: The present invention relates to a method for washing a washing tub (120) in a washing machine, and a washing machine having a washing tub washing course provided thereto for enabling washing tub (120) washing by the same, and more particularly, to a method for which makes effective washing tub washing, with a small amount of washing water consumption, a lower power consumption, and high washing effect; and a washing machine having the same applied thereto. A method for washing a tub (120) or a drum (130) in a washing machine having the tub (120), the drum (130) rotatably mounted in the tub (120), and a steam supply unit for supplying steam to the tub (120), includes a steam supply step for supplying steam to the tub by using the steam supply unit.

Abstract: Apparatus for washing a body comprising a. a body membrane adapted to receive a body therein, the body membrane having a plurality of body portions, each body portion having: i. an exterior surface and an interior surface; ii. a water conduit for passage of water through the body membrane to the interior surface thereof; iii. an air conduit separate to the water conduit for passage of air through the body membrane to the interior surface thereof; and b. control means operable to control the passage of water and air independently through the water and air conduits respectively, the control means further operable to control the passage of water and air in each body portion independently. Also provided is a method of washing a body using said apparatus.

Abstract: A conveyor-type dish washer and method of operating it, wherein items to be cleaned are conveyed through the dishwasher and are subjected to the action of steam prior to a final-rinse operation but after a wash operation.

Abstract: Antimicrobial compositions and methods eradicate and remove fungi and bacteria from indoor and outdoor structures and materials including porous substrates. The antimicrobial compositions can be made from gel precursors, utilized in gel states and adjusted to reduce the viscosity for applications where low viscosity is advantageous. The antimicrobial compositions applied to a surface can be wiped and rinsed to remove the antimicrobial composition and organic residue.

Abstract: A method for discharging a fluid in an inflated assembly. The method includes inflating a roller assembly having a roller, rotatably coupling the inflated roller assembly to an inflated structure, and discharging a fluid against the inflated roller assembly to cause the inflated roller to rotate. An inflated water toy comprising an inflated structure, and an inflated roller assembly rotatably supported by the inflated structure, and a conduit assembly for discharging a fluid against an inflated roller of the inflated roller assembly and for conducting fluid to other locations on the inflated structure for dispersing the liquid from the other locations.