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Match Document Document Title
7559538 Wastewater treatment system and method of using same  
A wastewater treatment system, including a tank and an elongate draft tube. The tank includes a bottom and at least one partition wall extending short of a tank curved turning wall to form at least...
7427058 Method and apparatus for aeration of liquid medium  
An apparatus and method for mixing gas and liquid comprising a dome, lower housing, aerator device and flotation device, wherein intermeshed rotating sets of discs operate on parallel shafts driven...
7398963 Apparatus and method for diffused aeration  
An apparatus for mixing gas and liquid is disclosed. The apparatus includes a draft tube having a gas inlet, a liquid inlet, a gas-liquid outlet, and an impeller rotatably mounted within the draft...
7329340 Continuous multistage thermophilic aerobic and aerobic-anaerobic sludge treatment systems  
A continuous flow multistage aerobic wastewater sludge digestion system comprising at least two stages connected in series, each stage comprising one or more covered tanks, tank segments or...
7322565 Stirring device and process for carrying out a gas-liquid reaction  
The invention describes a stirring device made from a gassing stirrer and a liquid mixer or two liquid mixers, which are arranged on a shaft and each have a feed and at least one exit opening,...
7288276 Carbonation system and method  
The water carbonation method and apparatus of the present invention consists of a square mixer within a carbonated chamber. The mixer is partially filled with water. Carbon dioxide is then added...
7264232 Device for foaming a liquid  
A device for foaming a liquid includes a casing with a turbine arranged inside the casing. A shaft connects an agitator with the turbine. An air supply nozzle is coupled to the casing and a tube is...
7261279 Device for stirring and aerating a liquid in a treatment vessel  
A device for stirring and aerating a liquid in a treatment vessel may include a funnel disposed in the upper portion of the vessel to form a passage with the vessel. A duct is connected to the...
7204476 Speed-increasing machine for water  
A speed-increasing machine for water includes a frame member, a plurality of buoyant members mounted to the lower end of the frame member, a motor mounted to the center of the frame member, and a...
7168691 Water resistant aerator system and method  
The water resistant aerator design of the present invention includes a combination of known waterproofing techniques with new techniques for wastewater aerators comprising: use of a threaded joint...
7163198 Stirring and aerating device for activated sludges  
A stirring and aerating device for activated sludges, wherein a towerlike frame is formed by a carrier element ( 2, 3 ) receiving a drive device ( 1 ) and at least three support elements ( 4 )...
7156378 Air seal enclosure for an aerator  
The design of an air seal enclosure of the system and method of the present invention includes a combination of use of a multisurface silicone sealant between the bottom endbell and the air seal...
7123472 Common pivot arrangement of portable computer  
A common pivot arrangement mounted on a base member with first and second locating holes is disclosed to include a hinge unit having first through holes corresponding to the second locating holes...
7121536 Wave generator with oxygen injection for treatment of a body of fluid  
One embodiment of an aerator is disclosed that has a hollow intake housing with a horizontally disposed lip on a lower portion thereof. This intake housing converges a flow of bubbles into a draft...
7114707 Carbonation system and method  
The water carbonation method and apparatus of the present invention consists of a square mixer within a carbonated chamber. The mixer is partially filled with water. Carbon dioxide is then added...
7048260 Turbocharged aerator  
The present invention is an aerator for inducing air flow below the surface of a liquid. The aerator includes a motor having a drive shaft. A propeller is operably connected to the drive shaft of...
7028992 Aerator with intermediate bearing  
An aerator for mixing an ambient gas with a liquid and agitating the liquid incorporates at least three bearings that are rigidly connected to an aerator housing. A propeller is driven by a central...
6997444 Radial disc impeller apparatus and method  
A radial disc impeller for use with a liquid or liquid suspension mixing assembly, having an axis of rotation. The radial disc has a hub and at least one disc extending radially away from the axis...
6971843 Hydraulic turbine draft tube with enhanced dissolved oxygen  
A hydraulic turbine has a gas distribution manifold mounted to an inside wall of a draft tube downstream from a turbine runner. The gas distribution manifold extends at least substantially around...
6896246 Aeration apparatus and method  
The present invention provides an improved surface aeration impeller for use in a mixing assembly. The improved surface aeration impeller includes a hub and a first blade that is connected to the...
6860631 Surface aeration impeller designs  
A surface aeration impeller for use in a liquid filled tank. The impeller is rotatable about an axis perpendicular to the static liquid surface. The impeller has a plurality of blades mounted on...
6808306 Mixing vessel apparatus and method  
An improved mixing apparatus and method for dispersing gas or other fluids into a liquid which may have solid suspension. The improved mixing apparatus includes a mixing vessel having at least one...
6712980 Device and method for the treatment of contaminated media  
The invention relates to an apparatus for the treatment of contaminated media, comprising a rotatable housing having at least one inlet ( 28 ) for gas emerging in the stirrer housing, and at least...
6634624 Device for multifoaming of expandable plastics  
A device for multifoaming expandable plastics, such as, for instance, EPS, EPE, EPP or polymer mixtures, includes at least one storage or supply assembly and a foaming vessel for the discontinuous...
6585405 Mixing liquids and entrainment mixing of vapor into liquids  
Disclosed is a fluid mixer that mixes liquids while simultaneously promoting rapid mixing entrainment of vapor in the liquid. The device includes a vertical rotor mounted centrally on a base...
6585236 Aerator  
The objective of the present invention is to provide an aerator capable of performing aerobic operation feeding air into water, and anaerobic operation not feeding air into water efficiently, by...
6520490 Liquid compost aerator and method of using same  
A compost aerator for aerating a compost/liquid mixture. The aerator has a aerator pump located downstream from a liquid inlet. The aerator pump has a plurality of impellers mounted on a rotor...
6497111 Method and device for evaporating a liquid and cylindrical drum for use in the device  
A method for evaporating liquid, in which a drum 1 in which there are passages 8 which extend across the thickness of the drum wall 3 is rotated in a trough 5 containing evaporation liquid ...
6460830 Device for stirring and aerating a liquid and eliminating foam in a tank for treating said liquid  
The device includes a vertical sheath ( 11 ) extending in a part of the height of the tank ( 1 ), a funnel ( 14 ) located around the upper part of the sheath ( 11 ), a vertical shaft ( 19 ) driving...
6357725 Gas/liquid mixing device  
A gas/liquid mixing device is provided in which bubbles having such a small diameter as to be invisible to the eye are produced and dissolved in water in a short time, whereby the solubility of gas...
6345810 Aerating unit  
An aerating unit includes a container, a submersible motor disposed in the container and having a shaft which is provided with a propeller, an air conduit connected to an air supply at one end and...
6276670 Combined mixer-aerator  
The invention describes an apparatus which can be used both for aeration of water and mixing of water. The apparatus comprises a power source which can drive a helical propelling device, whereby...
6227525 Device for mixing and aerating liquids  
The invention describes a device for treating liquids, in particular waste water, it being possible for the device both to aerate and mix the water. This device includes an aerator and includes a...
6131889 Evaporative humidifier with liquid distribution system  
An evaporative humidifier including a portable housing defining an air inlet, an air outlet, an air flow path between the inlet and the outlet, and a liquid reservoir; a blower system including a...
6050550 Apparatus for aeration and bottom agitation for aqua-culture systems  
The invention generally provides an apparatus that aerates the aquatic environment and agitates the bottom of the aquatic environment. One aspect of the invention provides a variable buoyancy...
5988604 Mixing impellers especially adapted for use in surface aeration  
Impellers are provided which enhance the efficiency of surface aeration of a liquid, for example, liquid contained in open aeration tanks, in terms of the mass of oxygen transferred per hour to the...
5980100 Apparatus for treating liquids  
The apparatus comprises a motor (16) which is mounted on a float and in which the motor drives an impeller device (20) which extends below the liquid surface (11), with the motor (16) being mounted...
5971369 Combination humidifier and vaporizer  
A combination vaporize/humidifier having a bucket member for holding water, a vaporizer head and a humidifier head wherein either connectors are provided on the humidifier head and vaporizer head...
5948326 Device and process for liquid treatment  
A liquid management unit uses a substantially horizontal rotor device partially submerged in a liquid so that at least a portion of a rotating component or the rotor device moves a liquid above the...
5916491 Gas-liquid vortex mixer and method  
An apparatus and method are provided for mixing gas and liquid. An impeller is rotatably mounted inside a draft tube. Inlet baffles are mounted adjacent the inlet end of the draft tube in close...
5846498 Reactor system  
A shell and tube heat exchanger reactor with forced circulation is used to improve heat and mass transfer for exothermic liquid-liquid, gas-liquid and gas-liquid-solid reactions. Enhanced...
5788893 Coolmist humidifier with volute vapor flow passageway  
A coolmist humidifier appliance which emits liquid in the form of mist or fog to achieve enhanced humidification includes a lower housing part which is positionable on a support surface and an...
5785899 Aerating rotor with submersible planetary gearbox  
An apparatus for aerating a liquid, having a surface, employs a motor having a rotating member and a non-rotating member. A shaft is coupled to the rotating member of the motor. Also coupled to the...
5770062 Device for aiding the solubilization of gases in liquids  
An apparatus is disclosed for rapidly and efficiently dissolving gases in a liquid. A diffuser, having a closed top and an opened bottom, preferably in the form of a conical-shaped frustum having a...
5711902 Gas-induced reactor  
Disclosed is a gas-induced reactor which mainly includes a tank body without inner baffles and a draft tube with inner baffles mounted in the tank body. An upper and a lower turbines are installed...
5707562 Turbo aerator  
Apparatus for use in aeration of a fluid. The apparatus includes a power unit having a rotatable shaft. An impeller is coupled to the shaft. The impeller has a blade with a generally uniform...
5685886 Apparatus for gas washing  
An apparatus for scrubbing or washing a gas having a chamber, which is partially filled with a washing liquid, and into which the gas to be washed flows and the washing liquid is sprayed by a...
5632962 Process vessel  
A process vessel (2) is for achieving contact between at least one fluid passing through the vessel (2) and a packing material contained therein. The process vessel (2) has a peripheral wall (8)...
5607627 Spin disk humidifier  
A humidifier comprising a bucket housing, a fan for producing a flow of air between an inlet port and an outlet port defined by the humidifier, a motor having a shaft disposed within the...
5549854 Method and apparatus for forming controlled vortexes and for recirculating gas  
The invention relates to a method for forming controlled vortexes and for circulating gas thereby in a reactor (1, 15) containing liquid or a suspension of liquid and solids. Into the reactor there...
Matches 1 - 50 out of 314 1 2 3 4 5 6 7 >