Abstract: The invention relates to a spraying device including a tank which is open at its upper part, capable of containing a liquid to be sprayed, such as water, while being filled up to its opening, a piozoelectric element capable of emitting waves into the liquid and fan means for creating a circulation of air in the vicinity of the surface of the liquid. The waves are focused in the vicinity of the opening of the tank, and the cross-section of the tank (1) has a progressive constriction towards the opening (2) of the tank (1).

Abstract: A wine bottle aerator that includes a power control box, a stopper means, a submersion rod, and an aeration element. The aerator is affixed in a wine bottle, or any bottle desired by a user, by the stopper. The stopper includes vents to allow air flow from the interior of the subject bottle into the atmosphere. In use, the aerator is used to aerate a bottle of wine as follows: The aerator is fitted into the opening of the subject bottle. The submersion rod extends the aeration element to a position near the bottom of the bottle, so that it is completely submerged. When the aerator is activated, the pump draws air in through the air inlet into the pump. The pumping action then forces the air out of the pump through the air outlet and into the submersion rod. The air flows through the submersion rod and into the aeration element. The air then flows outward into the wine through the air holes in the aeration element. Pressure is not increased to a dangerous level in the interior of the bottle due to the vents.

Abstract: A method of facilitating replacement of a supply of air freshener every time a supply of soap is replaced, including the steps of providing a supply of air freshener, providing a supply of soap and joining the supply of soap and the supply of air freshener. Another aspect of the invention is a method of packaging a supply unit including providing a supply of soap and a supply of air freshener and connecting the supply of soap and the supply of air freshener in a manner such that when the supply of soap is removed from a dispenser, the supply of air freshener is removed from the dispenser as well. Another aspect is a supply unit for the dual dispenser including a receptacle, a supply of soap within the receptacle, and a supply of air freshener connected to or secured within the receptacle.

Abstract: A crossflow cooling tower assembly (30) including a fill assembly (33) having a gas inlet opening (34) and a gas outlet opening (35). The outlet opening (35) is defined by a lower outlet portion (37) having a principal dimension generally inclined at an angle of about 5.degree. to 15.degree. to the vertical, and an upper outlet portion (38) having a principal dimension generally inclined at an angle of about 20.degree. to 45.degree. to the vertical which substantially widens an upper opening (38) into the exhaust plenum chamber (36). The cooling tower assembly (30) further includes a vertical stack (40) forming an exhaust port (41) positioned vertically over the exhaust plenum chamber (36) for exhaust of the gas in the generally vertical direction. An inner wall (43) of the vertical stack (40) is of a diameter sufficient to extend the exhaust port (41) substantially vertically over both the lower outlet portion (37) and the upper outlet portion (38).

Abstract: An apparatus for delivering one or more aromas at selected times includes a housing with a receptacle and an aroma delivery device detachably received in the receptacle. The aroma delivery device includes a carrier having a plurality of aroma-bearing elements that are selectively communicated with an air passageway for providing one or more aromas as desired. The device is especially useful for providing a realistic sensory experience in an interactive or non-interactive use, and may be used in such diverse settings as the entertainment industry, the educational training field or a medical arena.

Abstract: A dispensing device for dispensing a volatile active ingredient from an air-transmitting substrate that forms a part of a refill assembly. The dispensing device includes a housing with an intake vent and an exit vent and an air flow path extending between them. Refill assembly support means are provided for removably supporting the refill assembly with its substrate located in the air flow path. Battery-powered fan means are provided for propelling air from the intake vent through the substrate and out the exit vent. A battery holder holds a fan battery in such a manner that a refill assembly not fully inserted within the refill assembly support means blocks the placement of a battery in the battery holder, while a battery correctly held in the battery holder blocks the removal from the air flow path of a refill assembly supported by the refill assembly support means.

Abstract: An air freshening device is made from a solution of a polymer and a fragrant material, which is applied to an air permeable substrate. A solid fragrant residue is formed on the substrate. A fragrant material diffuses from the residue for scenting flowing through and about the substrate. The air freshening device includes attaching the substrate to an air filter received in a forced air heating, ventilating, and cooling system.

Abstract: A direct forced counterflow cooling tower apparatus includes concrete side walls having L-shaped troughs located at the lower ends thereof. The cooling tower includes a liquid distribution system, fill material located below the liquid distribution system, a drainage collection system located below the fill material and a fan located below the drainage collection system. Liquid is supplied to the tower and is distributed on top of the fill material. The liquid will pass downward therethrough and will be collected by the drainage collection system. The drainage collection system will communicate the liquid to the troughs located at the lower end of the longitudinal side walls. A modular cooling tower construction includes the cooling tower apparatus in combination with at least one additional cooling tower apparatus.

Abstract: An evaporative humidifier includes a base having a portion defining a reservoir for holding a quantity of water. A housing is mounted on the base over the reservoir, the housing having an air inlet and an air outlet. A cylindrically shaped wick filter is seated in the reservoir and extends up into the housing, the cylindrically shaped wick filter having an open top end and a sidewall. A fan is mounted inside the housing for drawing air into the housing through the air inlet, then into the center of the cylindrically shaped wick filter through the open top end, then out through the sidewall of the cylindrically shaped wick filter and then out of the housing through the air outlet. A heater is also mounted inside the housing for heating the air drawn into the housing prior to passage through the cylindrically shaped wick filter.

Abstract: An air-treating article for dispensing a volatilizable material, such as air freshener fragrance, into the atmosphere of an enclosed area, such as an automobile interior. The device includes a housing and a reservoir of the volatilizable material therein, and also includes a dual-configured, articulating attachment clip which enables attachment of the device at a high-air-flow station, such as the forced air vent grille of the automobile, or at a low-air-flow station, such as the sun visor of the vehicle. The device enables use of the consistent delivery rates of a low-density polyethylene membranes while at the same producing a higher delivery rate than normally achieved with such membranes.

Abstract: A system for continuously filling a plurality of cylinders with a precise concentration of a vaporized liquid component blended into a gas is disclosed wherein the concentration of the liquid component of the resultant final blended mixture is continuously analyzed, and immediately adjusted, during the filling process. Due to the constant analysis and adjustment, any error in the concentration of a component is typically realized before the concentration is outside an acceptable range. The inventive system allows for a large number of cylinders to be accurately and quickly filled with the compressed, final blended mixture.

Abstract: A direct forced draft counterflow cooling tower apparatus is provided with a dual layer drainage collection system. Preferably, the lower layer of collection plates is formed of hollow plates having interiors which receive the warm water collected on the upper layer of plates. This provides a thermal charging or warming of the lower plates so as to prevent icing of the lower layer of plates of the drainage collection system during cold wintertime operating conditions.

Abstract: A modular cooling tower apparatus is formed from a plurality of pultruded fiberglass structural members. Four hollow beams are joined together to form a combined liquid basin and support frame structure. A dual-layer drainage collection system rests upon the hollow beams and collects liquid and drains it into the hollow beams. A five-foot-thick body of fill material rests upon the drainage collection system. The overall height of the assembly from the bottom of the basin to the top of the unit is less than eleven feet thus allowing transportation on conventional trucking equipment.

Abstract: The dynamic diffuser for a naturally diffusing liquid substance such as a perfume comprises a receptacle for said substance and having a vertical flank which is closed by a membrane that is impermeable to liquid but permeable to gas. All or part of the membrane is caused to come into contact with said substance, at least intermittently, by revolving the receptacle about a horizontal axis. Air-flow generating means, e.g. impeller blades, serve to cause air to flow over the outside of the membrane.

Abstract: A diffuser for vaporizing and dispensing a fluid germicide to disinfect a room and associated equipment. The inventive device includes a vapor generating assembly for mechanically atomizing a fluid germicide. A blower assembly dilutes and heats the vapor and forces the same through a rectangular diffuser to coat the associated room and equipment with a fine mist of the germicide.

Abstract: An aerator for attachment to a container for live fish. The aerator includes a one-piece molded plastic housing. The housing includes a lid portion, a body portion and a hinge portion pivotally connecting together the lid portion and the body portion. The body portion has a space for an operating battery and a storage space for a space battery. A first latch portion is attached to a body portion. An attachment device is molded into the lid portion of the housing. The attachment device defines a second latch portion which cooperates with the first latch portion to releasably secure the lid portion in a closed position relative to the body portion. The aerator includes a pump and a motor operably connected to the pump. The pump and motor are attached to the lid portion of the housing and electrical connection with the working battery is completed when the lid portion is pivoted to the closed position relative to the body portion.

Abstract: An air-treating article for dispensing a volatilizable material, such as air freshener fragrance, into the atmosphere of an enclosed area, such as an automobile interior. The device includes a housing and a reservoir of the volatilizable material therein, and also includes a dual-configured, articulating attachment clip which enables attachment of the device at a high-air-flow station, such as the forced air vent grille of the automobile, or at a low-air-flow station, such as the sun visor of the vehicle. The device enables use of the consistent delivery rates of a low-density polyethylene membranes while at the same producing a higher delivery rate than normally achieved with such membranes.

Abstract: A device for humidifying and ionizing air includes a first chamber for humidifying the air, a second chamber, which is separate from the first chamber, for ionizing the air, and means for aspirating and expelling the air through the two chambers, keeping the streams of ionized air and of water vapor separate.

Abstract: An apparatus and method for providing a scent to a compartment comprising a reusable holder having a connecting means and a scented card insertable into the holder. The connecting means can be a clip which is connectable to a louver of an air duct outlet register of a forced air system or to a fan guard of a utility fan. The apparatus can also be modified to attach to an interior surface of a refrigerator and may even be adaptable for use as costume jewelry. The scented card is produced by a process wherein a heat extrudable thermoplastic material is mixed with a chemical blowing agent and at least one fragrance and optionally a coloring agent, the mixture of material and fragrance is heated and extruded to produce a flat fragrant sheet of material which after being trimmed, forms a relatively rigid but flexible card insertable into the holder and removable therefrom.

Abstract: A humidifier comprises a container having an air inlet and an air outlet; a water reservoir in the container; an absorbent mass having extensive upper surface and lower surfaces, the absorbent mass being floatable on the surface of water in the reservoir; a plate disposed on the lower surface of the absorbent mass to limit the degree of immersion of the absorbent mass while it floats in the reservoir; and a blower for drawing air through the air inlet and directing it onto the upper surface of the absorbent mass so that the air can deposit particles thereon, and absorb moisture therefrom, prior to flowing out of the container through the air outlet. The humidifier is highly efficient, quiet in operation and not affected by varying water levels.

Abstract: A dual dispenser dispenses both soap and fragrance for washrooms. The dispenser has a mounting plate for mounting on a surface in the washroom and has a lower support for a box containing a flexible bag of soap with the bag having a flexible tube extending out of the box. A container with a fragrance source is mounted in the top of the box and a fan is located thereabove which is driven by a small motor mounted on an upper support of the mounting plate. A battery is also located on the box adjacent the fragrance container. Switch contacts are in circuit with the motor and the battery for operating the motor and fan when the switch contacts are closed. A cover for the mounting plate has a hand-operated actuating plate which squeezes the tube to dispense soap and closes the contacts to operate the fan when the actuating plate is pushed, thus dispensing both soap and fragrance in a single motion.

Abstract: A compact special effects fogger has a small case with a handle on top for ease in transportation. A compressor box is positioned in the case against the base, and against one side and one end of the case. A fogger head box extends across the case on top of the compressor box. The two boxes form within the case a fan chamber at one end, a compressor cooling duct along one side, and an air entrainment duct along the top. A motor drives a compressor within the compressor box. A shaft from the motor extends into the fan chamber. A squirrel cage fan driven by the shaft draws air in through a round opening in the first end of the case and increases pressure in the fan chamber, causing air to flow through the ducts. The fogger head box has an oil sump and an oil intake is mounted in the sump. Oil tubes lead to a nozzle assembly within the fogger head. Compressed air flows through an air cooler in the compressor box and through a water trap in the fan chamber and into the nozzle assembly.

Abstract: A fragrance dispenser utilizing a fragrance dispensing wheel is described. The fragrance wheel is directly mounted onto a rotatable motor shaft, the motor being powered by either conventional A.C. or D.C. current, or by a photovoltaic cell. Absorbent panels on the wheel direct ambient air in response to motor rotation. When powered by photovoltaic cell fragrance is dispensed in an economic and safe manner in proportion to room lighting.

Abstract: A direct forced draft counterflow water cooling tower module includes an integral one-piece frame and basin preferably constructed from molded fiberglass. The cooling tower includes a liquid distribution system, fill material located below the liquid distribution system, a drainage collection system located below the fill material, and at least one fan located below the drainage collection system. The fan blows cooling air directly upward through the drainage collection system and then through the fill material.

Abstract: The present invention provides an improved ion vapor generator device for producing a quantity of negatively charged ions from a liquid comprising water. The ion vapors generated may be utilized for the enhancement of combustion processes. By supplying ion vapors to a combustion region of a furnace or internal combustion engine, a catalytic reaction is produced that may be used to reduce fuel consumption and undesired exhaust emissions. The negative ion vapor of the invention can also be supplied to an enclosed area occupied by humans to reduce many noxious or otherwise undesirable odors and breathing irritants therein, and to provide a beneficial stimulation of the respiratory system. The ion vapor is generated by imparting controlled disturbance to the surface of a liquid. Also, an amount of the liquid is withdrawn, continuously aerated, and introduced to the vapor space above the liquid.

Abstract: An apparatus for injecting air freshener or other airborn vapor into the air of a building, mounts to the side of a manifold or other air passageway, which is part of the building air conditioning or heating system. A solid, liquid-saturated dispersant cylinder is ultimately inserted into the passageway and removed from the passageway into a substantially sealed container by means of an electric motor drive which is controlled by a microprocessor-driven control system. The programmable control system is set to introduce the solid dispersant into the air passageway at selectable times of the day and for a set duration, but may be overridden manually in the event a party is to be held, etc.

Abstract: A reservoir is arranged to include a water inlet conduit and a water outlet conduit. The reservoir includes an aeration manifold effecting aeration of water contained within the reservoir, wherein the aeration manifold cooperates with a water dispersion manifold to enhance aeration of water directed into the reservoir. Various nozzle structure is mounted to the dispersion manifold to enhance aeration in a passive manner in association with the aeration manifold.

Abstract: An air purifier with perfume dispensing control, comprising a base plate which has a controller and an air pump, a stepped cap mounted on said base plate at the top for holding a plurality of perfume dispensers, a rotary table mounted on said stepped cap and said perfume dispensers at the top, a hood for securing said stepped cap, said perfume dispensers and said rotary table to said base plate, a trigger arm assembly controlled by an electromagnet to alternatively move back and forth causing said rotary table to rotate, and a stop arm assembly to stop said rotary table from reverse rotation. Compressed air from the pump is alternatively delivered to the perfume dispensers while the rotary table is caused to rotate, causing the perfume dispensers to give off different pleasant smells.

Abstract: The present invention provides a device designed to more efficiently aerate a body of liquid. The aeration device generally includes a nozzle, a liquid delivery means, and an air delivery means. The nozzle is submersed within the body of liquid and directed substantially laterally relative to the surface of the body of liquid. The nozzle includes a liquid delivery tube, which defines an upstream end of the nozzle, a coaxially aligned contraction member having a converging profile, a coaxially aligned throat member having a uniform diameter, and a coaxially aligned diffuser member having a diverging profile and an exit facing downstream, and a coaxially aligned focus member having a uniform diameter all of which are in fluid communication in series relative to one another. The liquid delivery tube is in fluid communication with the liquid delivery means, which draws liquid from the body of liquid and delivers it under pressure to the liquid delivery tube.

Abstract: This invention discloses an atomizer for hairdressing which generates micro-size liquid particles by means of electricity-mechanical power conversion elements as a source of ultrasonic wave. The atomizer for hairdressing of this invention intakes air and forcibly send it into a path made of an elastic member. Then it generates minute-diameter liquid particles from the surface of a stored liquid by means of the vibration of the electricity-mechanical power conversion means. Those liquid particles are heated and inducted into the above-mentioned path. The micro-size liquid particles having a diameter of several .mu.m or less generated by the ultrasonic vibration can be controlled at a predetermined temperature. Moreover, the particles can be blown out independently or with hot or cool air.

Abstract: A device for aerating liquids in containers is described, which may particularly be useful for the aeration of wines before consumption. The device comprises a base element to rest on the container, a tube attached to the base element and depending into the container, and means defining a variable volume above the base element and communicating with the tube. The device operates by manual expansion of the variable volume means, which preferably comprises a cylinder, the base element comprising a corresponding piston, followed by gradual reduction of the volume to force air through the tube and into the liquid.

Abstract: A self-contained air freshening or deodorizing apparatus with a two-part housing including a mounting section for securing the apparatus in an operative position and a closure section for connection thereto for forming an enclosure. A battery-powered air movement generating mechanism includes a fan having a hub with a motor nested at least partially within the hub and connected thereto for rotating the fan hub and five blades mounted thereon to generate a path of air flow through the enclosure. Air freshening or deodorizing mechanism for supplying a source of vaporizable material is positioned in the path of air flow. An antibootleg device is mounted in the enclosure in such a way that removal of the device renders the motor inoperable.

Abstract: A fragrance dispenser for circulating air and evaporating an aromatic fluid into the air is disclosed. The fragrance dispenser include a wick holder body having a fluid reservoir and a wick receiving passage. The passage communicates with the fluid reservoir and includes an exposed wick receiving passage and channel portion. A wick is disposed in the wick receiving channel and has a fluid receiving end disposed in the reservoir for drawing liquid therefrom into the wick and an exposed portion positioned in the exposed portion of the wick receiving channel. A fan housing is connected to the wick holder body and includes a fan for blowing air over the exposed portion of the wick. A wick cover, supported by the wick holder body, is movable between a substantially closed position covering the exposed portion of the wick and an open position where the wick is exposed to the flow of air provided by the fan.

Abstract: A method for supplying aromas to a space includes the steps of retaining a plurality of aromatic materials in respective reservoirs, selecting at least one of the aromatic materials according to a predetermined timetable determined on the basis of activities of people in the space at each time, diffusing a predetermined amount of the selected aromatic material in air to obtain aromatized air, and sending the aromatized air into the space. The apparatus for supplying aromas includes a receptor having plural aromas, a controller for controlling the receptor to select one stated aroma from the plural aromas in the receptor according to an influence on people by the stated aroma at a stated time in a day, and a ventilator for supplying an air containing the stated aroma. A facility provided with an apparatus for supplying aromas includes plural zones with each being provided with the apparatus, and plural routes for connecting the zones to each other.

Abstract: This invention relates to a turbo-jet aerator and in particular to one mainly including a motor, a turbo-jet means and a stirring mechanism by means of which when the motor is turned on, the turbine and the stirring mechanism will be rotated and air in the recesses between leaves of the turbine will be sucked in from the outside and ejected out through the outlet of the turbo-jet means and then the air will pass and dissolve into water of a pond.

Abstract: The present invention is directed to an apparatus for introducing gas into one of at least two free-flowing components which are subsequently mixed to provide a foam-forming free-flowing mixture by transferring the component to have gas dispersed therein from a supply container to a gas loading area, loading the component with gas and returning the component to the supply area, wherein the gas used in the gas loading area is obtained from a gas cushion maintained in the supply container and wherein the gas is compressed to a pressure higher than the pressure in the gas loading area before it is dispersed into the free-flowing component.

Abstract: A diffusion fogger is packed on a road case. Fans draw air through a baffle chamber and through fan openings into a fan chamber, an air compressor above the fan chamber provides compressed air to a fog head assembly. The fog head assembly releases an oil mist fog into a fog duct. Air from the fan chamber is blown through the duct and out through a front opening, entraining and delivering the fog. Air from the fan chamber is circulated over a path that serves to cool the compressor, compressed air, and exhausts from the outlet ducts. The fog head is a removable vertical assembly of an oil sump chamber and a nozzle array chamber. The nozzles, with inlets to an air manifold draw up filtered oil from an oil manifold and spray a fine mist of oil and decompressed air into the nozzle chamber. The mist continues through the next above baffle box filled with marbles, removing large oil droplets.

Abstract: An electrical air freshener designed to be plugged into an automobile cigarette lighter receptacle is disclosed. The air freshener includes a housing or body; an electrical motor within the housing connectable to a source of electrical current; a switch on the exterior of the housing for switching on and off the electrical current to the motor; air flow inlets at the back of the housing; odor emitting means mounted at the front of the housing; a fan connected to the motor and mounted within the housing such that operation of the motor creates air flow into the housing through the inlets, past the fan and motor and out through the odor emitting means. A stem protrudes from the back of the housing and is attached for insertion into the cigarette lighter receptacle. In the preferred embodiment the stem extends non-perpendicularly from the rear of the housing.

Abstract: An ultrasonic nebulizer includes a supply container for the liquid to be nebulized, and an electrolytic cell having electrodes for generating a gas according to the amount of electricity conducted through the electrodes. The generated gas is effective to control the pressure in, or volume of, the supply container, and thereby the feed of the liquid therefrom to the ultrasonic nebulizer nozzle.

Abstract: Apparatus of the invention agitates the surface of a dielectric liquid including H.sub.2 O to produce a vapor of excess negative ions. The ion vapor can be utilized for the enhancement of combustion processes. By supplying this excess ion vapor to a combustion region of heating furnaces and internal combustion engines, a catalytic reaction is produced that can reduce fuel consumption and reduce undesired exhaust emissions. The negative ion vapor of the invention can also be supplied to a enclosed area occupied by humans to reduce many noxious odors and breathing irritants.

Abstract: A battery operated air freshener with a housing having means for mounting the air freshener to a surface such as a wall. A motor inside the housing is electrically connected to a fan and to a battery. A replaceable cartridge with vents defining an air flow path carries a deodorizing substance and a battery. The replaceable cartridge having a receptacle is positioned within the housing such that the battery carried by the cartridge fits between spaced electrical contacts connected to the motor and hence to the fan resulting in air flow through the deodorizing substance. An anti-bootleg device in the housing has at least one prong extending into the cartridge receptacle, whereby a cartridge having an appropriate receptacle to receive the anti-bootleg device fits within the housing such that the battery carried by the cartridge fits between the spaced electrical contacts thereby establishing an electrical circuit to operate the fan.

Abstract: A system for separating phases of a liquid stream, comprising a plurality of members each member having an inlet and an outlet such that the outlet of one member is connected to the inlet of another with members being horizontally or vertically stacked in relation to each other.

Abstract: This is a water aerating unit which is particularly adapted for aerating bodies of water adjacent the shoreline and is readily transportable from one location to another. A suitable transporting vehicle is provided such as a tractor having a power take-off and hydraulic system for providing the driving power water for the propeller as well as the air blower mounted on the unit. The unit is supported on a wheeled frame by which the elevation of the lower submerged end thereof may be adjustably varied by a hydraulic system.

Abstract: A humidifier has a cap which may be lifted off to wash it. The lift off cap is sealed to the humidifier by a labyrinth seal. A vapor well is formed in the top surface of said cap with a steam discharge nozzle directed over the well. The cap, and therefore, the nozzle and vapor well may rotate over a 360.degree. traverse. The nozzle is formed by spaced inclined planes setting at angles in the range of 8.degree.-30.degree. and preferably 18.degree. and 20.degree., respectively, the angles being taken with respect to the horizontal.

Abstract: A solar activated water aeration station for introducing oxygen at a predetermined depth into a body of water is disclosed. The station includes a floatable base having a solar panel capable of being adjusted through a range of inclined positions, an anchor connected to the floatable base for orienting and maintaining the floatable base in a pre-selected position with the solar panel having a southern exposure, control means mounted on the floatable base including a motor and air pump operated by the solar panel so as to provide a continuous stream of oxygen through an aeration tube connected to the motor and air pump, in order to deliver the continuous stream of oxygen to a body of water at the desired predetermined depth.

Abstract: The present invention provides a curvilinear transition duct for use with a centrifugal fan that affords optimal fan efficiency without undue duct length. The duct comprises a top section of generally concave planar shape when viewed from above and a bottom section. Side sections join the top and bottom sections to form a four sided structure having an inlet opening at one side and an outlet opening at the other side. The preferred bottom section is of a generally longer longitudinal length than the top section. Further, the preferred duct has a plane in contact with the edges of the inlet opening which intersect a plane in contact with the outlet openings at a level above the duct. The angle formed between the planes would be 1.degree. to 60.degree..

Abstract: A compact hand-portable vapor dispenser device comprising a miniature support housing capable of being carried in a small article of luggage, such as an attache case, and having a reservoir attachment for securement to a water reservoir. A dispensing valve is provided in the reservoir to dispense water to a vaporizing chamber having a vapor release nozzle. An ultrasonic vibrating element is provided in the vaporizing chamber. A transducer circuit is provided for driving the vibrating element and a convection port is positioned in communication with the vaporizing chamber to release water vapor through a vapor orifice. A fan convects air for release through the port. A power supply is connected to an electronic drive circuit located in the housing.

Abstract: An evaporative cooler apparatus and method of operation are disclosed. The invention was conceived and developed to humidify and cool the attic space between the roof and the ceiling of man-made buildings or other structures. The apparatus is comprised of an induced draft fan assembly which blows air through an evaporation bundle comprised of one or more concentric cylinders of fibrous evaporation pads. The most advantageous embodiments of the invention and optimum parameters of operation result in reduced costs for installation, for evaporation water, for electrical power, and for service and maintenance as compared with devices of the prior art.

Abstract: The vertical height requirement of a cooling tower is reduced by utilizing trapezoidal shaped fill sheets which are suspended generally in line with the entering air stream so as to form a wedge shaped plenum space beneath the lower sloped edges of the fill sheets. This enables a method of lengthening the vertical air paths through the media as distance from entry is increased thereby promoting vertical air flow near the entry.

Abstract: A self-contained battery-powered room deodorizer including a housing having an inlet portion through which ambient air is drawn into the housing by means of a battery powered fan. The air is passed about a quantity of vaporizable material contained within the housing, and then discharged therefrom into the ambient air carrying the vaporized portion of the product therewith. A replaceable deodorizing material containing cartridge is positionable within the housing, and provides a support well for supporting a replaceable battery, such that the deodorizing material and battery may be separately replaced when either of these items has become expended.