Abstract: A counterflow evaporative heat exchanger comprises a vertical conduit in which a coil assembly is positioned. A fluid to be cooled or condensed passes through the coil assembly while water is sprayed downwardly over it and air is blown upwardly through it. The coil assembly comprises a plurality of tubes which at each level in the assembly are spaced apart from each other in the horizontal direction by an amount greater than the diameter of the tubes. This has been found to improve heat transfer in comparison to counterflow evaporative heat exchangers using closely packed coil assemblies.

Abstract: A carburation system for supplying a fuel-air mixture to an internal combustion engine includes a hollow base securable to the engine and containing a mixing chamber. A fuel throttling valve and a pressurized air throttling valve supply corresponding fuel and pressurized air jets for aspirating fuel in a finely divided, uniformly mixed form in the pressurized air into the mixing chamber. Atmospheric air is drawn through an atmospheric air valve into the mixing chamber to supply a final mixture of atmospheric air and the premixture of the fuel and pressurized air from the mixing chamber to the engine. An operator-controllable throttle member connects to and controls simultaneously the fuel, pressurized air and atmospheric air valves for positive operator control of all three final mixture components.

Abstract: A vapor generator for generating vapors from a vaporizable liquid concentrate such as a deodorant-fragrance concentrate and employable either with or without a fan dispenser. The vaporizable liquid is sealed within a receptacle having an openable top portion, such as a pull-top can, and a capillary action diaphragm is located under the top so as to be exposed when the top is opened. The vaporizable liquid is transported upwardly from the body of liquid to the diaphragm by capillary action membrane means extending from the top to the bottom of the receptacle, and then distributed by capillary action through the diaphragm and vaporized from the exposed surface thereof. A small pressure equalization port through the diaphragm equalizes the vapor pressure under the diaphragm to substantially atmospheric pressure so that such vapor pressure will not interfere with the capillary actions.

Abstract: The present invention relates to an improved vapor dispenser and method that may be used for vapor-treating the air of a given area; the air-treating vapors containing such diverse elements as medicants, decongestants, inhalants, repellants, insecticides, bactericides, deodorants, and the like. The disclosed vapor dispenser may be described as a "semistatic" type, since it uses a static vapor generator that does not require a propellant, and uses automatic intermittent air movement for dispensing the accumulated vapors into the area to be treated by the vapors. Thus, the disclosed semistatic vapor dispenser continually provides the desired vapor concentration.An improved static vapor generator is also disclosed, the improvement permitting the static vapor generator to produce vapors at a more uniform rate during its entire lifetime.

Abstract: A process for clarifying by flocculation a turbid liquid which forms a foam with injected gas and which contains material that, with gas, will form a floatable floc. A gas compatible with the liquid is injected into the liquid in order to form foam atop the body of liquid, and components of a floc within the body of liquid. The liquid after said treatment with gas is permitted to reside quietly so that the floc components form a floatable floc and rise to the surface of the body of liquid. Clarified liquid collects below the floc. Gas for injection into the body of liquid can be withdrawn from a region containing the foam, whereby to recover liquid from the foam, thereby substantially eliminating loss of liquid as foam.

Abstract: Apparatus for feeding compressed air to an automobile carburetor including a compressor, a compressed air holding tank, an electric air regulator control switch, a manually operated air regulator valve, a solenoid controlled flow valve, tee connections to idler jets, a cylinder and an air line connecting all of the aforesaid devices in sequence. The cylinder has a piston therein connected to a lever plate mounted on the throttle valve shaft in the cylinder of the automobile. The lever plate is connected by linkage to the accelerator pedal of the automobile.

Abstract: A method and apparatus for the preparation and control of an air-fuel mixture to the air intake of an engine in which the fuel is continuously delivered to a multi-stage atomizer by a gas at a pressure higher than the ambient pressure, the pressure of the gas being controlled in accordance with the engine speed and load. The fuel is continuously atomized and homogenized, preferably several times, in the atomizer. The atomizer is installed in the engine air intake ahead of the throttle and the fuel is atomized by the gas delivered through a passage, and the mixture thus prepared is introduced into the air intake above the throttle where it is mixed with the air induced by the engine to charge the engine cylinders.

Abstract: Air moving mechanism is provided for equipment such as direct or indirect heat exchange cooling towers. Conventional cross-sectionally elliptical eased inlet structure leading to a fan opening or cylinder surrounding a rotary fan air mover is replaced by a much simpler, less costly, apertured airflow modifying baffle member which functions to define an invisible eased inlet for the fan. The specially shaped aperture in the baffle member is configured and arranged relative to the fan cylinder inlet to cause air removed from the tower casing and directed toward the fan to follow a transition path between the baffle member and fan opening or cylinder which generally conforms to and substantially fills the opening or cylinder inlet around the entire circumference thereof.

Abstract: In an integrated coal gasification power plant, a humidifier is provided for transferring as vapor, from the aqueous blowdown liquid into relatively dry air, both (I) at least a portion of the water contained in the aqueous liquid and (II) at least a portion of the volatile hydrocarbons therein. The resulting humidified air is advantageously employed as at least a portion of the hot air and water vapor included in the blast gas supplied via a boost compressor to the gasifier.

Abstract: The scrubber has a substantially rotationally symmetrical vortex chamber provided at one end with an axial gas outlet whose diameter is substantially smaller than the diameter of the chamber. A coaxial impeller wheel is located at the other axial end of the chamber and admits into the region of the chamber periphery a stream of contaminated gas which has a component of movement in circumferential direction of the chamber. A plurality of spray nozzles spray a washing liquid into the chamber for contact with the contaminated gas therein.

Abstract: A method of aerating slurry involves the use of a screw conveyor operating in a tubular casing having an inlet and an outlet. The inlet has access to the air above the level of the slurry so that as the conveyor is rotated air is admitted through the inlet and discharged at the outlet, which is below the surface level, into the body of the slurry. The screw conveyor may be in two portions of opposite hand so that one portion discharges air and the other portion discharges slurry at a common outlet intermediate the two ends of the casing.

Abstract: An evaporator type humidifier in which a fan wheel is rotated by an air stream and drives a water wheel. The water wheel lifts water from a water receptacle to a water distribution system. The water distribution system can collect water and then distribute a substantially equal amount of water to each air-water contact member in the humidifier. The amount of water distributed to each contact member is sufficient to wet the contact member and inhibit the formation of deposits on the contact member by flushing away minerals and other solid particles.

Abstract: To mix a gas with a mass flowing continuously through a conduit, the gas is caused to flow from a pressurized gas supply into the conduit by way of a nozzle in which the gas expands at a critical pressure ratio; and the pressure of the gas flowing from the nozzle is increased before the gas is introduced into the flowing mass.

Abstract: An aerator in which air is forced into the liquid by means of a helical rib surrounding a cylindrical member which is rotated in such a direction that air trapped beneath the helical rib is forced downwardly into the liquid. A diffuser at the bottom of the helical rib is effective to break up the trapped air bubbles into finer bubbles which are dispersed through and retained by the liquid. The cylindrical member on which the helical rib is disposed may be rotated by an electric motor which may be disposed either above the water line or beneath the water line at the bottom of the helical rib. Where necessary, air may be pumped into the space above the water so as to facilitate the introduction of air about the helical rib. Where the aerator is to be used with a container of limited size, the aerator may be either mounted on the cover of the container or may have associated therewith a closure member adapted to fit into the neck of such a container.

Abstract: A humidifier having an outer housing with a top opening covered with a removable top member. A power chassis and a rotatable drum having a web of water absorbent material about its circumference are mounted within the housing and are each removable through the top opening. A removable water container is located within the housing below the drum. The container is readily cleaned or replaced by lifting it out of the housing through the top opening.

Abstract: Liquid fuel comprising hydrocarbon as its main component, which is in liquid state at normal temperature and pressure, is held in a container of an apparatus for vaporization of the liquid fuel to enable the fuel to be readily converted into a gaseous state for example for cooking purpose.

Abstract: An ultrasonic air humidifying apparatus wherein, in order that a fine mist made by mistifying water with an ultrasonic energy may be effectively delivered through a mist conduit pipe, the mist conduit pipe positioned above the water surface of water to be mistified is covered at the lower end with a member having a plurality of openings so that an apex portion of a conical projection of water formed by swelling the water surface with the ultrasonic energy will project into the mist conduit pipe through one of said openings and an air current fed on the water surface by a blower will be led into the mist conduit pipe through said openings.

Abstract: A humidifier for respirators includes a vessel having a tubular passage therethrough which is connected at one end to the inhalation line and the opposite end to the line leading to the patient. Water is circulated from a storage tank to a water chamber defined around the tubular member and the tubular member is made of a material which defines an evaporation surface which is impervious to water but pervious to water vapor so that the inhalation air becomes moistened when it is passed through the tubular member. The water which is circulated is circulated from a storage tank which is maintained at a predetermined level by the gravity of feed of water from a closed container which is mounted above the storage tank. The water in the storage tank is advantageously heated before it is circulated.

Abstract: A versatile by-pass humidifier assembly utilizes the flow of air therethrough as the driving force to rotate a fluid carrier subassembly, but may also be adapted for use with an electric motor as the driving force. The water carrier subassembly has a unique "drop-in" design which permits easy removal and replacement, all without the use of tools or fasteners. Similarly, the fluid reservoir is removable for maintenance and cleaning and the cover is removable for access to the humidifier assembly interior, both being removable and replaceable without the use of tools or fasteners of any sort.

Abstract: An air handler especially for use with a produce storage room has a housing with an air inlet near the bottom and an air outlet near the top. A fan or blower supplies air above atmospheric pressure to the inlet for flow through the housing and discharge from the top thereof and through a duct leading to the storage room. Adjacent the housing there is a water cooler, usually operated in a refrigerator circuit, into which water is introduced from a collector near the bottom of the housing and from which the cooled water is discharged into a distributor in the housing near the top thereof. The distributor, preferably a number of sprays, discharges the cooled water to fall over and through a water and air baffle unit within the housing between the inlet and the outlet thereof and into the collector.

Abstract: A humidifying apparatus has an evaporating chamber having an air inlet and an air outlet. The chamber has a bottom wall for supporting a film of water to be evaporated. A drain is associated with the bottom wall for continuously draining water from the evaporating chamber during an operational cycle. A fan is connected to the air inlet of the evaporating chamber to discharge a stream of air into the chamber and across the bottom wall. A water holding tank, having a top wall containing at least one water outlet aperture, is so located in the evaporating chamber to position the aperture adjacent the air inlet and in the flow path of the stream of air. Water supply means selectively supplies water to the holding tank when the fan is operative. The supply means provides a pressure signal, but only when supplying water to the holding tank. A valve means, associated with a water outlet from the holding tank, is in a closed position responsive to the pressure signal.

Abstract: A cartridge, which forms part of a system for inducing air flow past a product capable of being vaporized, includes a hollow, apertured container and a support of strip material having a convoluted configuration mounted in the container. A quantity of the product is impregnated in the support of strip material. The container also houses a battery which has exposed terminals. The cartridge of the invention is used with an apparatus that has a housing defining a cartridge receiving cavity shaped and dimensioned to receive the cartridge container, a fan mounted in the housing to induce air flow through the cavity, and electrically powered motor for driving the fan and contacts electrically connected to the motor and located to contact the battery terminals when the cartridge is received in the cavity.

Abstract: An ultrasonic air humidifying apparatus comprising separably connected upper and lower cabinets; a power transformer, high frequency generator and motor-blower contained in the upper cabinet; a water vessel formed in the lower cabinet; a chassis board interposed between the upper cabinet and lower cabinet so as to define an airtight space above the surface of water in the water vessel; a mist conduit pipe fixed to the chassis board, inserted at the lower end into the water in the water vessel and projected at the upper end out of the top part of the upper cabinet; an ultrasonic vibrator assembly fitted to the lower end of the mist conduit pipe; and a water supply tank removably fitted in the upper cabinet so as to supply water into the water vessel, in order to obtain an ultrasonic air humidifying apparatus easy to clean and inspect and high in the performance.

Abstract: An air humidifier for adding moisture to air by aspiration. The humidifier contains a fan surrounded by a shroud having an aspirator duct near its bottom on its low pressure side. The fan draws small droplets of water from a water reservoir disposed beneath the aspirator duct into the flow of air created by the fan. The air flow then passes through an evaporative filter wherein the water is dispersed and evaporated into the air flow and mineral content of the water is substantially filtered from the air flow.

Abstract: Apparatus and method for improving the efficiency of combustion in burners is disclosed. Air is circulated at a substantially constant controlled rate from a blower or compressor through a control valve to a release point beneath a catalyzing or catalyst-forming liquid, such as water, and is released beneath such surface in such a manner as to ensure the slow growth of relatively large bubbles. These bubbles break at the liquid surface, and the catalyst-laden air is then returned to the gas impelling means, in which it is mixed with more air and returned to the system. A portion of the catalyst-laden air is directed to the combustion device, e.g. the oil burner, at a point between the air impelling means and the bubble chamber, preferably at a point between the air impelling device and the first control valve.

Abstract: A carburetor system for a gasoline engine wherein the carburetor functions are accomplished through evaporation in a chamber external to the carburetor with additional benefits afforded through the use of a humidification chamber, the total process utilizing captured exhaust gases from the automobile exhaust manifold.

Abstract: A space heating apparatus comprising a main enclosure having a front and a rear wall, side walls and a top and bottom wall. An air inlet opening is provided in the front wall with a filter removably secured therein. An impeller fan is mounted within the enclosure adjacent the opening for drawing outside air into the enclosure through the filter and convecting it through predetermined paths in the enclosure and out of the enclosure through vent openings provided therein. Heating elements are secured in the enclosure between the fan and the rear wall for heating the air. A water reservoir having a heater therein is provided in the enclosure. The water in the reservoir is heated to the boiling point whereby water vapor is mixed with the air convected through the predetermined paths. Control means are further provided for regulating the operation time cycle of the fan, heating elements and heater.

Abstract: In an evaporative liquid cooling apparatus comprising a housing having liquid delivery means, heat exchange means beneath the liquid delivery means, liquid collection means beneath the heat exchange means and a chamber beneath the heat exchange means and defined by wall portions of said housing and said liquid collection means, the improvement comprising fan means for delivering a flow of air to the heat exchange means, located inside said chamber, above said liquid collection means, and at least one of said housing wall portions of said chamber defining at least one air inlet aperture for said fan means.

Abstract: A portable humidifier having readily separable water container and decorative case components, where the container is caster supported for easy mobility and where the case has side walls defining an open bottom interior larger than the container suited to fit vertically over the container thereby virtually hiding same and then be removably supported in place thereon, optionally even with no mechanism latch connection thereto, and humidifying mechanism supported by the case operable to vaporize container water for discharge to the ambient atmosphere.

Abstract: A drainage system preferably to eliminate wet and damp basements which is formed from an inexpensive, easily assembled pair of sheet metal members. A strip of waterproof sealing material is placed on the basement floor extending along the basement wall with one of the sheet metal members having an L-shaped configuration being mounted on top of the strip of sealing material and secured to the floor by fasteners. An upstanding leg flange of the L-shaped member is spaced from the wall and forms a drainage channel with the wall and floor. The second sheet metal member is removably mounted on the top edge of the upstanding leg member and extends generally horizontally across the top of the drainage channel and engages the wall to form a removable top closure for the channel. A plurality of holes are drilled through the basement wall adjacent the basement floor to permit outside water to readily flow through the wall and into the drainage channel.

Abstract: A horizontal tubular housing is supported at one of its ends across the top of a stack and a blower is mounted at one end of the housing for moving gases discharged from the stack through the housing. The housing has a plurality of laterally disposed baffle plates arranged such that when impinged by the moving stack gases, the latter will be directed in a tortuous path, preferably an initial spiral path and a subsequent zig zag path. Some of the baffle plates are adjustable to vary the turbulence of the gases in their tortuous movement. Spray nozzles are mounted in the housing at most of the baffle plates to provide curtains of liquid spray for washing the gases. The housing has a liquid drainage outlet in its bottom wall intermediate its ends, and such bottom wall is inclined downwardly from opposite ends of the housing to the outlet to provide drainage. Adjustable louvers are provided in the outlet of the blower to vary the direction of air movement from the blower across the stack.

Abstract: The easily serviced aeration apparatus of the invention includes a central base structure comprising a source of air under pressure, a plurality of lateral passages extending radially outward from the source, a diffuser hanger at the outward end of each lateral passage, and a dependant assembly suspended in hanging relationship downwardly from each hanger. Each dependant assembly comprises a downwardly depending flexible air conduit, an aeration diffuser at the lower end of the conduit, and means for maintaining the diffuser at a submerged depth as air is fed thereto. Additionally provided is a porous plastic aeration diffuser.

Abstract: A carburetor has a small air passage connected to the main induction passage by a sonic flow orifice; the small passage being supplied with compressed air at all times at a pressure and volume maintaining sonic flow; a fuel supply line is connected to the orifice for a constant flow of fuel, the rate of flow being varied as a function both of throttle valve position and manifold vacuum level.

Abstract: A power driven gas aerating carburetor for supplying the combustion chambers of an internal combustion engine with finely atomized air-fuel mixtures in controlled proportions under pressure for more thorough combustion of the air-fuel mixtures.