Abstract: A working pontoon raft has frame that supports a plurality of high speed evaporator fans. An alternative design uses a skid to support the same high speed evaporator fans. An on board pump draws wastewater from under the raft or via a hose from the pond to the skid and feeds it to the fans. Large amounts of wastewater from industrial reservoirs, such as oil drilling reservoirs, are evaporated into the air in an environmentally friendly manner Power is supplied to the raft via hydraulic lines. A land base generator supplies the hydraulic power. The entire system fits on a custom trailer.

Abstract: A dissolved air flotation system and method for purifying fresh water.

Abstract: To provide a sauna device having a small number of components without any special heat source, operable at a low running cost, and capable of turning a sauna room into a high humidity space with low noise. The sauna device has a heating/humidifying unit for heating/humidifying air, a ventilating unit for exhausting the air in the sauna room, and a control unit for controlling the heating/humidifying unit and the ventilating unit. The heating/humidifying unit has a heating section for heating the air through a circulation blowing section for circulating the air in the sauna room and a humidifying section for humidifying the heated air having passed through the heating section. The humidified air is blown out into the sauna room through the humidifying section. A bent portion where the air-blowing duct through which the humidified air having passed through the humidifying section passes is bent is provided.

Abstract: A humidifier includes a housing with a substantially open top portion. Water can be added to the humidifier by pouring the water into a water reservoir through an open top. The water is pumped from the water reservoir to an upper portion of the humidifier where it is dispersed into the environment by a flow of air. The humidifier may include both an ultrasonic nebulizer and a heater to provide a warm mix of cool mist and hot vapor. Alternatively, a warm mist can be provided by dispersed water from an ultrasonic nebulizer in combination with warm air. The humidifier may also solely provide a cool mist from an ultrasonic element, or the water can be dispersed using a wicking filter.

Abstract: An apparatus and method are disclosed for cooling one or more exercising or resting individuals by applying a water mist and dry air. The apparatus can be free standing, fixed to the walls or ceiling, or attached to an object on which an individual is resting or exercising. The mist and dry air can be applied together or separately, simultaneously or alternately, with varying timing and intensity. In some embodiments, the mist and dry air are manually controlled or operate according to the passage of time. In other embodiments the need for cooling is determined by one or more physiological parameters measured by sensors directed toward or attached to an individual, or embedded in an object on which an individual is resting or exercising. Still other embodiments estimate the heating of the individual by measuring the amount of work performed or the rate of energy expenditure.

Abstract: A method for inducing a controllable jet in a transparent liquid is disclosed. The method comprises providing a gas-liquid interface, providing a laser source and generating a beam comprising a sequence of laser pulses, and focusing the beam to a target location within the liquid at a predetermined distance from the gas-liquid interface and creating a plurality of cavitation bubbles, yielding a jet directed away from the gas-liquid interface. Other methods and apparatus are also described and claimed.

Abstract: A flexible impeller pump includes first and second component housings. The first component housing includes a first flexible impeller and the second component housing includes a second flexible impeller. As these impellers rotate within their respective housings, they draw in and expel individual components into a common receiving chamber. In a particular application, one component is a foamable liquid, and the other component is air, and a mixture of foamable liquid and air is thus created in the common receiving chamber.

Abstract: A sauna apparatus includes an air blower, a blow channel and a humidifier. The air blower suctions and blows air. The blow channel conveys the suctioned air and humidified air. The humidifier has a sprayer that sprays humidifying water into the air passing through the blow channel for humidification, and a spray-water droplet splitter installed in a direction to which the sprayer sprays the water for humidification. By letting the sprayed water droplets collide with the splitter, the water droplets are split into much finer water droplets.

Abstract: A device for improving the breathing air quality for the crew and/or the passengers in an aircraft cabin includes an oxygen source, a water source and a feed line, wherein the feed line is connectable to the oxygen source and the water source in order to oxygenate and/or humidify air that is introduced into the feed line. The feed line is further connected to an inlet port of a locally delimited area of the aircraft cabin and adapted so as to feed oxygenated and/or humidified air to the locally delimited area of the aircraft cabin.

Abstract: An improved portable misting fan device of the type formed by a body carrying fan means for creating and moving a stream of air, the body further provided with a reservoir and having a power source for driving the fan means and electrical means for driving the power source which further includes a powered mist generator having driving means and an actuator for actuating the mist generator, the mist generator being in fluid communication with the reservoir and a mist nozzle adapted to receive a fluid mist from the mist generator and deliver the same into the air stream created by the fan means.

Abstract: A tower/frame structure of interconnected columns and beams (which may be used in a cooling tower) and novel columns, beams, connection mechanisms and other components are provided. In one embodiment, a column and a beam are constructed of pultruded composite fiber-reinforced plastic (FRP) materials. The beam includes two sidewall extensions or flanges (each having one or more attachment apertures) at one end and which are integral with the beam for connection to the column (having one or more corresponding attachment apertures). The dimension/spacing between the inner walls of the two flanges substantially equals or is slightly larger than the outer dimension of the column. The attachment holes are aligned and a fastener is inserted through the extensions and column for attaching the column and beam. The C-shaped end of the beam substantially conforms to the cross-sectional shape and dimensions of the column.

Abstract: A microbubble water generator includes a gas absorbing device respectively communicating with a pressure conveying motor, a gas supplier and a water switch. Wherein, the water switch is electrically connected with the pressure conveying motor and the gas supplier, and the pressure conveying motor communicates with a booster pipe. The booster pipe is further connected to a pressure release coupling, and the pressure release coupling thence joints to a water output valve, thereby outputting microbubble water with even and fine properties.

Abstract: The present invention relates to a method and an apparatus for forming fog by using at least one air stream connected to a tank where the air stream forms homogeneous droplets of a fluid, which droplets flow further in the air stream towards and through at least one outlet for forming a fog. The scope of the invention is to achieve a highly effective method and apparatus for generating fog with a long stand time having a small energy consumption. This can be achieved by a method and an apparatus as described in the beginning if the method further includes a first high pressure air stream that is lead to flow in a partly parallel direction to a liquid surface for forming at least one liquid sheet, which sheet brakes into droplets where a second air stream having a lower pressure transports the droplets through at least one outlet. Hereby, it is achieved that the liquid sheet moves forward continuously as it breaks up at the edges all the way around.

Abstract: A gas mixing/supplying device and a method includes of introducing a gas into a high-viscosity material. The method the steps of effecting a first suction stroke in which the piston (25) is moved in the cylinder (27); supplying a high-viscosity material to the cylinder, using a suction force in the cylinder generated in said first suction stroke;stopping the piston after the first suction stroke; effecting a second suction stroke in which the piston is moved in the cylinder after the supply of the high-viscosity material; supplying a gas to the cylinder, using a suction force in the cylinder generated in the second suction stroke;effecting a pressurizing stroke in which the piston is moved in the cylinder after completion of the supply of the gas; and effecting a discharge stroke in which the high-viscosity material and the gas are discharged into a conduit. Then, the high-viscosity material is foamed under atmospheric pressure.

Abstract: A gas mixing/supplying device and a method includes of introducing a gas into a high-viscosity material. The method the steps of effecting a first suction stroke in which the piston (25) is moved in the cylinder (27); supplying a high-viscosity material to the cylinder, using a suction force in the cylinder generated in said first suction stroke; stopping the piston after the first suction stroke; effecting a second suction stroke in which the piston is moved in the cylinder after the supply of the high-viscosity material; supplying a gas to the cylinder, using a suction force in the cylinder generated in the second suction stroke; effecting a pressurizing stroke in which the piston is moved in the cylinder after completion of the supply of the gas; and effecting a discharge stroke in which the high-viscosity material and the gas are discharged into a conduit. Then, the high-viscosity material is foamed under atmospheric pressure.

Abstract: A sauna apparatus includes a heating section for heating air to generate heated air, a heated-air-blowing section for sending the heated air, a humidifying section for humidifying air to generate humidified air, a humidified-air-blowing section for sending the humidified air, a merging chamber for mixing the sent heated air and the sent humidified air to generate heated and humidified air, and an outlet for blowing the heated and humidified air generated. This sauna apparatus provides air having uniform temperature distribution and uniform humidity distribution, and allows temperature and humidity to be controlled easily.

Abstract: An emulsifier system includes a mixing pump, a water source, a water intake regulator for regulating the flow rate of water supplied by the water source to the mixing pump, an air intake regulator for regulating the flow rate of air being supplied to the mixing pump for enabling the mixing pump to output a high pressure flow of mixed fluid and gas, and an emulsifier for emulsifying the high pressure flow of mixed fluid and gas outputted by the mixing pump by means of a cavitation effect.

Abstract: An integrated nano-bubble generating apparatus including a pressure tank integrated with components constituted as a system and a power portion to be selectively adapted to a system so as to enlarge the use scope of the system, which includes an integrated bubble generating portion including a three-directional electronic valve supplying water flowing in an inflowing pipe to any one of a bubble generating portion and the power portion, a pressure sensing portion sensing a pressure in the inflowing pipe, a first vacuum chamber providing outer air to a pressure tank, a power control portion controlling the three-directional electronic valve, the pressure sensing portion and the first vacuum chamber and the pressure tank mixing water and air under an inner predetermined pressure and shattering water, physically, to generate nano-bubble water; and the power portion including a pump operated by a motor to supply water flowing in the inflowing pipe to the bubble generating portion and a second vacuum chamber supply

Abstract: An evaporative cooler, including one or more media, distributes water from a source of water to each media through a constant flow valve. A distribution unit at each media includes a pair of spray bars for spraying water through two rows of uniformly spaced apertures disposed in each spray bar. A spray bar channel associated with each spray bar distributes the streams of water impinging thereupon from one row of apertures to the underlying media in specific locations. A distribution cap associated with each spray bar distributes streams of water impinging thereupon to the front and back edges of the underlying media. The water dripping from the media is drained. A fan or other air moving device draws air through the media to obtain cooled air resulting from evaporation of water flowing downwardly along the media.

Abstract: An air humidification system for large enclosed spaces, comprising at least one humidification line constituted by at least one humidification module comprising a box-like container with a water flow pipe inside which is functionally connected at its inlet to a water pump and at its outlet to a water discharge space. The pipe has, along its extension, a plurality of nozzles adapted to provide a water aerosol. The nozzles are open onto a first opening provided in the box-like container and are oriented toward the outside of the first opening. A cross-flow impeller is provided within the box-like container along a rotation axis which is parallel to the pipe and is suitable to aspirate air from a second opening of the box-like container and direct it toward the first opening.

Abstract: There is disclosed a portable misting fan formed by upper and lower body portions which are joined together along a joint. The joint is improved by providing the lower body portion with a non-circular neck portion along its top end, and wherein the upper body portion includes two halves which terminate in lower body collar sections, intended to be joined together in overlying relationship relative to the neck portion. A rail and groove system is employed as between the upper first and second body portions, and the neck portion, so that the rails will slidingly engage the grooves in the neck portion rendering the joint resistant to rotation. The neck portion includes an aperture into which a sleeve is press fitted, the sleeve includes upper and lower lips, and the lower body collar sections include inwardly extending flanges which overlie and engage the upper and lower lips formed in the sleeve, thereby brace and secure the pump assembly within the device.

Abstract: The present invention is directed to an improved handheld water misting fan device wherein the power source compartment is positioned within the device at a location remote from the fan motor thereby to remove any structure from the area bounded by the fan shroud. The relocation of the power source compartment leaves the area bounded by the shroud substantially unobstructed thereby to improve air flow. The device is formed in a dog bone shaped configuration to provide a narrow handle section for improved grippability, and an enlarged fluid reservoir at the lower end thereof for greater reservoir capacity.

Abstract: Humidifying apparatus includes a humidifier for emitting moist air into an external environment, and a fan assembly for generating an air current within the external environment for conveying the emitted moist air away from the humidifier. The fan assembly includes a device for creating an air flow and a nozzle comprising an interior passage for receiving the air flow and a mouth for emitting the air flow. The humidifier is located behind nozzle, the nozzle extending about and defining an opening through which both air from outside the nozzle and the moist air emitted from the humidifier are drawn by the air flow emitted from the mouth.

Abstract: A humidification apparatus which makes possible individual humidification of the air in a cabin of a passenger or cargo aircraft makes available a conditioning fluid to be ejected into the cabin from an outlet nozzle (10). The conditioning fluid contains as a component water which is sprayed at a spraying point in very close spatial association with the outlet nozzle (10). To avoid undesired local cooling of the cabin air caused by vaporization of the sprayed water, the conditioning fluid contains an air flow conducted to the outlet nozzle, into which the water is sprayed. The air flow is supplied to the spraying point at a temperature which is higher by a defined amount than a desired effective temperature of the air flow after emerging from the outlet nozzle. In another embodiment the conditioning fluid contains water as its only component, the water being sprayed at a temperature above the cabin temperature.

Abstract: A dissolving water making unit and a bubble generating unit are provided. The dissolving water making unit includes a gas dissolving device for dissolving gas in water. The bubble generating unit includes a bubble generating nozzle and a bubble generating cartridge. The dissolving water making unit sucks water from a water source, and sucks gas to make dissolving water from a mixed solution in which the water and the gas are mixed together. The dissolving water is obtained by dissolving the gas in the water. The bubble generating unit generates microbubbles from the dissolving water supplied from the dissolving water making unit.

Abstract: An emulsifier system includes a mixing pump, a water source, a water intake regulator for regulating the flow rate of water supplied by the water source to the mixing pump, an air intake regulator for regulating the flow rate of air being supplied to the mixing pump for enabling the mixing pump to output a high pressure flow of mixed fluid and gas, and an emulsifier for emulsifying the high pressure flow of mixed fluid and gas outputted by the mixing pump by means of a cavitation effect.

Abstract: A diffuser which includes a cylinder open at one end and closed at the opposite end, the open end of the cylinder being securable to air supply; the wall of the diffuser being formed with a plurality of holes therethrough, each hole having a larger diameter on the exterior of the wall of the diffuser than on the interior of the wall of the diffuser, the longitudinal axis of each hole being inclined at an acute angle to both the radius and the longitudinal axis of the diffuser, and the orientation of each hole with respect to the longitudinal axis of the diffuser being such that when the diffuser is rotated about it longitudinal axis in use, the leading edge of each hole is at a higher elevation than the trailing edge of each hole.

Abstract: A foam-forming unit is disclosed. The foam-forming unit includes a mixing chamber communicating with the outlet of a pump for the purpose of mixing liquid and air, and includes a dispensing part provided with an outflow channel with a foam opening for dispensing foam, wherein the outflow channel is in communication with the mixing chamber. Further, a first foam-forming element is included, arranged in the outflow channel such that the foam flowing through the outflow channel passes through the foam-forming element at least twice. The dispensing part is further provided with a spout element in which is located the final part of the outflow channel and the foam opening. Finally, the outflow channel includes a cavity after the first passage through the first foam-forming element, which cavity lies before the spout element as seen in flow direction.

Abstract: An apparatus and process for making a foam having a controlled size distribution of gas bubbles in a liquid matrix. The invention utilizes a porous material having a controlled pore size and pore distance to produce a substantially uniform size distribution of gas bubbles; a gas pumping device for directing a flow of gas to and through the porous material to form the gas bubbles; a fluid pumping device for directing a flow of liquid matrix past the porous material and a rotating element moving in the vicinity of the membrane surface causing an additional flow to detach, collect accumulate and entrain the gas bubbles in the liquid matrix to form a foam having gas bubbles of generally uniform size and a substantially uniform gas bubble size distribution.

Abstract: The present invention provides a nanofluid generating apparatus and method of use thereof that is capable of efficiently generating nanofluid by having relatively simple and inexpensive construction, being capable of continuously and stably generating nanofluid, being easy to handle, dramatically reducing manufacturing costs, and being able to generate and select nanofluids according to various usages.

Abstract: A tower/frame structure of interconnected columns and beams (which may be used in a cooling tower) and novel columns, beams, connection mechanisms and other components are provided. In one embodiment, a column and a beam are constructed of pultruded composite fiber-reinforced plastic (FRP) materials. The beam includes two sidewall extensions or flanges (each having one or more attachment apertures) at one end and which are integral with the beam for connection to the column (having one or more corresponding attachment apertures). The dimension/spacing between the inner walls of the two flanges substantially equals or is slightly larger than the outer dimension of the column. The attachment holes are aligned and a fastener is inserted through the extensions and column for attaching the column and beam. The C-shaped end of the beam substantially conforms to the cross-sectional shape and dimensions of the column.

Abstract: A fountain system for creating unique water displays or water attractions. The fountain system includes a pump providing water at a flow rate and a plurality of fountain assemblies connected to the pimp outlet. Each of the fountain assemblies includes a nozzle such as a bell or dome nozzle that receives the water from the pump and discharges the water from its outlet in the form of an enclosed dome about the nozzle outlet. The fountain assembly includes a fog generator or fogger such as an ultrasonic transducer, positioned proximate to the nozzle discharging fog into the dome where it is trapped by the laminar flow water in the dome wall. Each fountain assembly includes a light source transmitting light into the dome to illuminate and color the captured fog. The flow rate may be changed to alter the shape and size of the domes.

Abstract: A system and method for carbonizing a liquid, such as tap water with CO2, are disclosed. The liquid is carbonized inside a pump housing, thereby obviating the need for a separate high-pressure carbonator tank and a separate feed pump. The pump housing has an inlet for receiving in combination the liquid and CO2 at a first pressure, and an outlet for transporting the liquid carbonized with CO2 from the pump housing into an outlet line at a second pressure higher than the first pressure. A constriction is disposed in the outlet line for producing said higher pressure with the pump. The system and method can be employed in closed-loop carbonizing systems in the beverage industry.

Abstract: A water-cooling fan with humidifying effect includes a main body, a cloth curtain and a filter. The main body has a fan, an air outlet formed at its front, an air inlet formed at its rear, a plugging groove positioned respectively at two sides of the air inlet, a water tank, a pump and a sink. The circumference of the air inlet is attached with a Velcro band corresponding to a Velcro band fixed around the circumference of the cloth curtain. The water tank has an opening for the cloth curtain to extend into it, a water-exiting tube connected with the pump, and at least one heater fixed in its bottom. The sink has a plurality of water-dropping holes in its bottom and a water-entering tube for being connected with the pump. Such a fan can be used as a water-cooling fan or used to increase indoor humidity if necessary.

Abstract: An aeration tank used in a method of treating effluent includes a pipe for transporting the effluent from the source to the tank bottom and a discharge duct having a siphon effect for tapping off an overflow from the tank as more effluent is added from the source. An array of air diffusion members is located in the center of the tank. Above each of the air diffusion members is provided a collector guide surface which collects bubbles as they get too large and channels them to outwardly from the center into a honeycomb filter medium formed in part annular members around the center. The filter medium receives the air and directs it back into the center around the guide surface to act as a growth medium for a biomass of bacteria.

Abstract: A fan spray device is provided with a housing having a shape of a character head. A fan assembly is provided on the character head housing with a propeller for generating a stream of forced air away from the housing. A spray assembly is provided on the housing proximate to the propeller to dispense liquid into the stream of forced air. A handle is operably connected to the housing for movement between a retracted position and an extended position.

Abstract: A misting apparatus that is more durable and leaks less than systems known in the art. The apparatus includes a durable, integral flow control assembly and handle, which are especially beneficial for portable misting systems. The apparatus further includes a pressure gauge for monitoring the pressure inside the tank.

Abstract: A water aerating device for an aquarium includes a carrier, a pumping device attached to the carrier and having a motorized impeller for pumping a water, a siphon tube coupled to the pumping device and having a tube member engaged into the aquarium for allowing the water to be drawn into the siphon tube and drawn into the carrier by the impeller, and a number of rods disposed in the carrier for agitating the water and for minimizing an air contained in the water into smaller air bubbles. One or more air minimizing devices or helical spring members may further agitate the water and minimize the air contained in the water for supplying the reduced air bubbles to the water plants or the water weeds.

Abstract: A high-velocity water misting gun with a very high-speed radial inflow hydraulic turbine mounted on the same shaft with an axial flow air compressor wheel compressing air discharged at high velocities through an exhaust air nozzle. A preferred embodiment utilizes a plastic-metal hydraulic turbine wheel in which the plastic portion of the wheel other than blades is solidly anchored within a metal containing wheel. High pressure water drives the hydraulic turbine and provides water lubrication to high-speed bearings supporting a rotating shaft. The preferred embodiment utilizes hybrid bearings (part hydrodynamic, part hydrostatic) suitable for low-viscosity fluids such as water. In the preferred embodiment all of the water discharging from the hydraulic turbine wheel is channeled through a hollow shaft to a set of high-speed, shaft-mounted rotating orifices providing a fine water mist discharging into a high-velocity air flow provided by the axial-flow compressor.

Abstract: This invention provides a fine bubble generating apparatus which can efficiently generate fine bubbles on the nanometer level. This apparatus comprises a cylindrical member (40) having a cylindrical inner peripheral surface, a first end wall member (42) configured to close one end of the cylindrical member, and a second end wall member (44) configured to close the other end of the cylindrical member. The cylindrical member (40) and the first and second end wall members (42) and (44) define a fluid swirling chamber (46). The cylindrical member has a fluid inlet hole (48) at a position close to the second end wall member (44) to supply a gas-liquid mixed fluid in the tangential direction of the peripheral surface of the fluid swirling chamber (46). The second end wall member has a fluid outlet hole (50) extending therethrough along the center axis of the inner peripheral surface of the fluid swirling chamber.

Abstract: A fan includes a motor; a front end of a rotary shaft of the motor having an eccentric wheel; a periphery of the blade being installed with a protection web frame; a moisture generator installed at one side of the motor; an interior of the moisture generator having a plug; one end of the plug resisting against a lateral surface of the eccentric wheel; the eccentric wheel serving to drive the plug moving reciprocally in a plug chamber so as to suck water into a moisture generator; then the water is pressured to be sprayed out. Operation of the fan will drive the moisture generator to actuate so as to generate moisture for reducing temperature.

Abstract: A humidifying fan includes a base, a water swinging device and a fan device. The base has a water tank for storing an appropriate amount of water or other liquids, and an atomized water hole. The water swinging device has a power element and a water swinging fan connected with a suction tube extending in the water tank and having slots in its inner wall and plural water exits. When water is sucked up to spray through the exits, it is dispersed by the swinging fan to get atomized. But, a large number of droplets without atomized are to attach on a fur comb set around the swinging fan and then drop in the water tank. The fan device consisting of blades and power element is to blow and spread the atomized water for cooling air.

Abstract: A working pontoon raft has frame that supports a plurality of high speed evaporator fans. An on board pump draws wastewater from under the raft and feeds it to the fans. Large amounts of wastewater from industrial reservoirs, such as oil drilling reservoirs, are evaporated into the air in an environmentally friendly manner. Power is supplied to the raft via hydraulic lines. A land base generator supplies the hydraulic power. The entire system fits on a custom trailer.

Abstract: A heating tower apparatus for heating a liquid having an air flow inlet stream and a first air flow outlet and a second air flow outlet. The first air flow outlet provides a first outlet air flow stream and has a first outlet door that moves between an open position and a closed position. The second air flow outlet provides a second outlet air flow stream and has a second outlet door that moves between an open position and a closed position. The heating tower also includes a heat exchange portion having coils through which liquid to be heated flows. The heating tower is operable in a first configuration wherein the first outlet door is in the open position while the second outlet door is in the closed position. The heating is also operable in a second configuration wherein the second outlet door is in the open position while the first outlet door is in the closed position.

Abstract: There is disclosed a portable misting fan formed by upper and lower body portions which are joined together along a joint. The joint is improved by providing the lower body portion with a non-circular neck portion along its top end, and wherein the upper body portion includes two halves which terminate in lower body collar sections, intended to be joined together in overlying relationship relative to the neck portion. A rail and groove system is employed as between the upper first and second body portions, and the neck portion, so that the rails will slidingly engage the grooves in the neck portion rendering the joint resistant to rotation. The neck portion includes an aperture into which a sleeve is press fitted, the sleeve includes upper and lower lips, and the lower body collar sections include inwardly extending flanges which overlie and engage the upper and lower lips formed in the sleeve, thereby brace and secure the pump assembly within the device.

Abstract: The present invention is directed to an improved handheld water misting fan device wherein the power source compartment is positioned within the device at a location remote from the fan motor thereby to remove any structure from the area bounded by the fan shroud. The relocation of the power source compartment leaves the area bounded by the shroud substantially unobstructed thereby to improve air flow. The device is formed in a dog bone shaped configuration to provide a narrow handle section for improved grippability, and an enlarged fluid reservoir at the lower end thereof for greater reservoir capacity.

Abstract: A flexible impeller pump includes first and second component housings. The first component housing includes a first flexible impeller and the second component housing includes a second flexible impeller. As these impellers rotate within their respective housings, they draw in and expel individual components into a common receiving chamber. In a particular application, one component is a foamable liquid, and the other component is air, and a mixture of foamable liquid and air is thus created in the common receiving chamber.

Abstract: An improved portable misting fan device of the type formed by a body carrying fan means for creating and moving a stream of air, the body further provided with a reservoir and having a power source for driving the fan means and electrical means for driving the power source which further includes a powered mist generator having driving means and an actuator for actuating the mist generator, the mist generator being in fluid communication with the reservoir and a mist nozzle adapted to receive a fluid mist from the mist generator and deliver the same into the air stream created by the fan means.

Abstract: A portable, evaporative cooling apparatus includes a cabinet for storing cooling water, a water pump, a fan, and a spraying system. The fan is mountable on the cabinet lid and is removable from the cabinet lid for storage within the cabinet. The cabinet has wheels that allow it to be rolled along a surface and a handle for pulling the cabinet along the surface. The apparatus may be retrofit to a standard food cooler.

Abstract: A fan comprises a motor; a front end of a rotary shaft of the motor having an eccentric wheel; a periphery of the blade being installed with a protection web frame; a moisture generator installed at one side of the motor; an interior of the moisture generator having a plug; one end of the plug resisting against a lateral surface of the eccentric wheel; the eccentric wheel serving to drive the plug moving reciprocally in a plug chamber so as to suck water into a moisture generator; then the water is pressured to be sprayed out. Operation of the fan will drive the moisture generator to actuate so as to generate moisture for reducing temperature.