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8123201 |
Flexible aeration panel and methods of use
A flexible aeration panel is described, which does not include a rigid support plate. The flexible aeration panel can include a first perforated, flexible sheet sealed to a second non-perforated...
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8002248 |
Diffuser for an aeration system
A diffuser for an aeration system includes a base, a valve member, and a diaphragm. The diaphragm has a central portion, a peripheral portion, and a surrounding segment. The surrounding segment is...
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7806389 |
Flexible aeration panel and methods of use
A flexible aeration panel is described, which does not include a rigid support plate. The flexible aeration panel can comprise a first perforated, flexible sheet sealed to a second non-perforated...
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7674514 |
Multiple layered membrane with thin fluorine containing polymer layer
A multi-layer membrane includes a fluorine containing layer and a substrate which are joined through spray coating and heat treatment in a multi-step technique.
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7497421 |
Apparatus for the gasification of liquids
An apparatus for the gasification or aeration of liquids. Elongated aeration elements are connected to a distribution conduit and have an essentially rigid support tube having a lengthwise rounded...
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7351576 |
Compost tea machine
The invention relates to an in home apparatus for simultaneously suspending, aerating, agitating, extracting and entraining a compost water nutrient culture. A beaker contains the compost nutrient...
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7267766 |
Method and apparatus for aerating a surface layer in a stratified liquid body
A method and apparatus for aerating a surface layer in a stratified liquid body using a depth-adjustable, fine bubble, surface layer aeration unit comprising: a body comprising at least one hollow...
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7243912 |
Aeration diffuser membrane slitting pattern
A diffuser assembly for diffusing a fluid from a fluid source into a medium to aerate the medium. The diffuser assembly including a diffuser body in fluid communication with the fluid source and a...
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7044453 |
Membrane diffuser with uniform gas distribution
A flexible diffuser membrane is provided with a unique system of perforations arranged to result in uniform distribution of gas even though the membrane deflects to different extents or the...
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6880815 |
Apparatus for aerating water
An apparatus for aerating water or other liquid is provided, and includes a flexible hose of rubber or other elastomeric material for disposal in the water or other liquid. The wall of the hose has...
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6863823 |
Inverted air box aerator and aeration method for immersed membrane
An aerator for immersed filtering membranes has an aerator shell with openings for discharging bubbles from its upper surface and a shape capable of temporarily containing a volume of air in fluid...
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6769673 |
Apparatus for the gasification of liquids
An apparatus is provided for the gasification or aeration of liquids. Elongated aeration elements are connected to a distribution conduit and have an essentially rigid support tube about which is...
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6619633 |
Apparatus for aerating water
An apparatus for aerating water is provided, and includes a support body and disposed thereon a slitted sleeve of rubber or similar elastomeric material. The support body has sides of greatly...
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6543753 |
Air diffuser membrane treated with biocide
A fine bubble diffuser membrane used in the aeration of wastewater is treated with biocide to inhibit growth and accumulation of biological materials on the membrane. The membrane may be...
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6497402 |
Diffuser mounting system for aeration of liquids
A diffuser mounting assembly includes two saddle sections having integral outlet fittings to which elongated air diffusers can be mounted for aerating liquid in a basin. Air laterals installed in...
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6406005 |
Diffuser for aerating a fluid
A diffuser for aerating a fluid, and particularly for aeration in waste water treatment tanks, is formed in an elongate configuration by manufacturing a base plate from an extrusion cut to the...
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6367784 |
Apparatus for aerating water
An apparatus for aerating water with fine bubbles is provided. At least one strip-like, inextensible aerating element is provided that has an air supply channel and there above a portion that is...
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6367783 |
Fine bubble diffuser
A diffuser includes a substantially rigid base member having a first side and a second side, and an inlet conduit defining a central bore depending from the second side of the base member. A...
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6345812 |
Plate-like water aerator
A plate-like water aerator is provided. A plate, made of elastomeric material, is disposed on a rigid, essentially planar mounting support and covers the one or more air supply connections thereof....
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6344147 |
Flotation plant
A flotation plant comprises air supply means with which air bubbles can be supplied to a basin to which untreated water is supplied so as to cause flakes suspended in the untreated water to float...
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6276669 |
Bubble generating device
A bubble generating device is to be used with a water tank which has a water receiving chamber, and includes a bubble emission member adapted to be disposed in the water receiving chamber and...
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6145817 |
Water aerating device or diffuser
A water aerating device is provided and includes a rigid, round, support plate that in an operating position is disposed essentially horizontally. An elastic plate rests on the support plate and is...
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5938983 |
Aeration device
A bubble diffusion aerator mounted onto a "pot" aerator, for oxygenating a body of water. The bubble diffusion aerator comprises spiral coils of perforated flexible tubing mounted onto a flat...
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5868971 |
Device for introducing gases into liquids in fine bubbles
A device for introducing gases into liquids in the form of fine bubbles, especially for introducing air into waste water, which device (1) comprises gas distributors (2) consisting of a...
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5858283 |
Sparger
A large area sparger has a gas-permeable diffuser bonded to a gas-impermeable underlying element so that inflowing gas is distributed throughout a gap between the sparger and the underlying...
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5846412 |
Diffuser construction and mounting arrangement
An improved air diffuser and mounting arrangement for mounting diffusers on submerged air laterals in a wastewater treatment system. The diffuser is formed form a cylindrical pipe which is...
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5804105 |
Device for diffusing a first fluid into a second fluid
A fluid diffuser includes an inner extruded tube and an outer extruded tube between which there is a woven fabric material tube. The diffuser includes pores formed by a non-ablative piercing...
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5762835 |
Aerator
Aerator with a basic body (10) that can be connected to an air feed (50) pipe and with a diaphragm (20), which can be attached to the basic body (10) and whose edge (20r) can be fixed to the...
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5725129 |
Dual-container foam dispenser
An inner container is disposed within an outer container containing an amount of foamable liquid sufficient to provide a substantial foam production capacity. The dual-container foam dispenser is...
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5705063 |
Ventilating disk assembly
The present invention relates to an improved ventilating disk assembly. When the air pressure applied thereof is changed, different stirring effect can be attained and the debris or soil...
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5693265 |
Water aerator
A water aerator is provided that has a rigid support plate that in the operating position is disposed essentially horizontally. The support plate has a practically planar upper surface and at least...
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5676823 |
Sparger system including jet stream aerator
A sparging system assembly having an improved nozzle for use in a flotation separation column. The sparging system of the present invention uses an elastomeric check valve type nozzle to form the...
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5676890 |
Aeration device
Described is a gas-introduction device designed to introduce a gas into a liquid. The device comprises at least one gas-feed manifold (10) and a multiplicity of tubular feed-in elements (12) which...
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5480593 |
Subterranean air lift diffuser assembly
An air lift diffuser assembly is made up of an air lift tube and a fixed, non-rotating bubble-emitting diffuser horizontally spaced beneath an open end of the air lift tube, the air lift tube and...
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5458771 |
Apparatus for the gasification of liquids
An apertured flexible membrane (10) extends over a domed support (11). A central gas supply tube (50,82) terminates in gas outlets (51) oriented to direct the gas to flow horizontally into the...
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5422043 |
Diffuser and diffusing method using dual surface tensions
A diffuser for dispersing gas bubbles into a liquid is formed of gas permeable material having a high surface tension at an interface with the liquid and a low surface tension in a region inward...
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5352391 |
Gas distributor for small-bubble aeration of water
The gas distributor is provided for aeration of water, particularly for the supply of oxygen in biological waste water treatment plants, but also for aeration of lakes whose oxygen content has been...
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5330688 |
Flexible diffuser assembly for aeration applications
This invention relates to the combination of an aeration system and flexible diffuser assembly, especially for use in a sewage treatment tank, where the system includes a plurality of fluid medium...
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5304301 |
Apparatus for the injection of compressed air into a liquid
Apparatus for injection of compressed air into a liquid such as waste water comprises a tubular basic body surrounded by a flexible, perforated membrane through which compressed air is supplied...
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5290487 |
Device for aeration of a liquid vessel
A device for aeration of a liquid vessel comprising at least one guide rail /2/ and a plurality of sliders /3/ arranged thereon and the sliders /3/ include holders carrying at least one hose of...
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5234632 |
Aeration apparatus for liquid
An apparatus for injecting compressed air into a liquid comprises a tubular basic body such as a pipe that is surrounded by a perforated membrane through which air is distributed into wastewater...
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5183595 |
Device for gassing liquids
A device for gassing liquids, in particular for aerating waste water, includes a gas distributor that can be connected to a gas supply device, that is to be arranged below the liquid level and that...
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RE33812 |
Diffuser for aeration basin
A diffuser for introducing gas in bubbles into liquid held in an aeration tank comprising having a body member having a backing surface and passaging extending from a gas inlet to an outlet at the...
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5059358 |
Tubular diffuser with adjustable plug
A tubular membrane diffuser for a wastewater aeration system. The diffuser includes a pipe having spaced apart outlet ports and a porous membrane sleeved around the pipe for discharging air in...
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5015421 |
Diffusion device
In the representative embodiments of diffusion devices disclosed in the specification, a diffusor support member and a flexible sheet-like diffusor are connected in sealing relation along...
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5013493 |
Staggered diffuser arrangement for waste water treatment systems
A wate water aeration system in which tubular diffusers are arranged with short and long diffuser assemblies alternating along the length of each air lateral submerged in the treatment basin. This...
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5000884 |
Aeration installation
The invention refers to an aeration installation for introducing a gas, in which a cover is arranged on a foundation, through which the gas is able to penetrate this covering through individual,...
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4981623 |
Diffuser for aeration basin
Generally there is provided an elastomeric diffuser membrane configured to overlie a planar base and to wrap around the edge. A plurality of lobe extensions of the membrane protrude under the base...
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4954296 |
Gas injection equipment
With gas injection equipment used to inject a gas into a liquid the problem exists that the conducting element filled with gas will experience buoyancy. To eliminate this buoyancy, the conducting...
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4849139 |
Device for aerating water
A device for aerating water, and including a rigid, essentially planar support member, and thereupon a plate of elastomeric material that is provided with fine slits for the release of air. The...
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