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7628910 Pressure regulator and filter for irrigation systems  
A control device for use with irrigation systems includes one or more of a solenoid-actuated valve, a pressure regulating valve, and a self-cleaning filter assembly. The filter assembly filters...
7560021 Selector valve of a pressure filter for aquariums or ponds  
A selector valve of a pressure filter for aquariums or ponds comprises a valve body having a main liquid inlet opening ( 16 ), a secondary inlet opening ( 17 ), an outlet opening ( 18 ) and a...
7404904 Method and apparatus to clean particulate matter from a toxic fluid  
There is a method of capturing, removing or collecting the particulate matter from a fluid containing a toxic liquid reaction and particulate matter produced from the reaction. The method includes...
7381335 Method and arrangement for continuous filtering of particles out of a liquid  
Method and arrangement for continuous filtering of particles out of a contaminated liquid by means of a number of separate filtering units ( 14 ) in order continuously to feed purified liquid to a...
7374668 Valve automated in-situ cleaning system for oil water separator  
An oil/water separator tank having intake, discharge and vent fittings is conditioned for in-situ cleaning of the oil separator plate stacks positioned therein by selective opening of manual valves...
7316774 Fluid treatment system  
A reverse osmosis water filtration system has a control housing that contains control components for the filtration system. The control housing may include control components for a membrane...
7303666 Water filtration system  
A water filtration system includes a filter for receiving water to be filtered and having an output. A water storage vessel is connected to receive water from the filter output; and water is...
7294274 Filtration system with enhanced cleaning and dynamic fluid separation  
A filtration system is provided with filter media operable to remove solids, particulate and colloidal matter from a process fluid. Acoustic, vibration and sonic energy may be used to clean...
7229562 Integrated dual cross flow filtration and ultrasonic transducer assembly  
A filtration system comprising a filter cassette having integrated ultrasonic transducers incorporated therein, and a method for using the same. The integrated system of filters and transducers can...
7144500 Variable speed waste removal system  
The invention is directed to a system for removing waste material from a fluid flowing in a channel. This system may incorporate the use of a trap for collecting the waste material while allowing...
7101475 Autonomously navigating solar swimming pool skimmer  
An autonomously navigating solar swimming pool skimmer employing a forward impeller, navigation being improved by the use of forward mounted powered horizontal bumper wheels as deflectors, combined...
7001506 Self-cleaning circulatin system and method  
The present invention provides a system and method for providing a self-cleaning water circulation system which may be utilized for a fish pond, fountain, or the like. Means for automatically...
6984313 Filtration and purification system and method therefor  
An automatic water filtration and purification system will allow a continuous water flow to downstream fixtures while simultaneously and automatically regularly flushing and cleaning in-path filter...
6899807 Solid and liquid separation device  
A solid and liquid separation device, comprising: a housing, the housing having an inlet, a solid outlet and a liquid outlet, the liquid outlet located in a lower portion of the housing; a screen...
6878294 Running method and treatment system for spiral wound membrane element and spiral wound membrane module  
A spiral wound membrane element allowing back wash reverse filtration at 0.05 MPa to 0.3 MPa is employed for a spiral wound membrane module. Air injection of injecting air of not more than 0.3 MPa...
6830679 Filtration device  
A filtration device is provided in which wastewater, in the form of a colloidal solution containing microparticles, is guided to tank, circulated, and filtrated using a second filter. The device...
6814864 Extra-corporeal blood purification device  
An extra-corporeal blood purification device includes a blood filter, and elements for measuring at least one parameter affected by filter resistance to liquid flow, elements for determining at...
6797158 Method and apparatus for acoustically driven media filtration  
A method and apparatus for acoustically enhanced particle separation uses a chamber through which flows a fluid containing particles to be separated. A porous medium is disposed within the chamber....
6773588 Purified water supply system  
A system ( 11 ) for providing purified water comprises a plurality of individual modules, each of which includes a separable head ( 13 ) and a canister ( 17 ), which modules are joined one to...
6649048 Filter cartridge with regulated surface cleaning mechanism  
A filter assembly that filters water, particularly stormwater, that includes flow regulating, siphon inducing, and surface cleaning features that allow the filter assembly to operate at the design...
6468421 Bag filter wash-down system with vacuum break pulse  
A filtering assembly for removing particles from a liquid is positioned coaxially within a vertical, pressure-tight housing 11 having a tangential inlet 21 at an upper end and an outlet 24 at...
6443312 Self-cleaning filter  
The self-cleaning filter is used for filtering incoming dirty liquid and distinctly recuperating clean liquid and waste liquid. The filter comprises a housing having an inner chamber defining first...
6394113 Method and apparatus for cleaning filters  
In a method and apparatus for cleaning filters, the cleaning is efficiently performed by selecting cleaning steps according to the degree of contamination of the filter media. The degree of...
6383368 Method for pretreatment of refinery feed for desalting the feedstock, and related additive  
A metal salt removal procedure for use with a crude oil flow is disclosed. A small amount of water, and a caustic in the range of 7-12 pH, and preferably 9-12 pH, are injected to form water bubbles...
6375847 Method for operating a cross-flow filtration installation  
The method relates to the operation of a cross-flow filtration installation for a product. This installation includes a filtration module ( 6 ), a pipeline ( 3 ) for the inflow of the product, a...
6251294 Ultrasonic filter regenerating apparatus and method  
A self-regenerating filter unit having a housing which carries an ultrasonic transducer periodically energizable to dislodge caked solids from a filter element in the housing. The removed solids...
6241880 Self-cleaning faucet filter  
A self-cleaning faucet filter for filtering particulate matter from a water stream, the filter having a housing with a main discharge orifice and a side spout with a flushing water discharge, the...
6241879 Filtering machine and filter cloth therefor  
A filter cloth comprising at least a base layer and a filtering layer, characterized in that the ratio T/L of the thickness (T) of the filtering layer to the length (L) of fibers of fiber bundles...
6241878 Self-purging in-line filter  
Described is a self-cleaning filter for a liquid stream confined in a pipe 20. The filter includes a porous ceramic filter body 30 having a power source 35 attached thereto. Upstream from the...
6221255 Ultrasound-assisted filtration system  
A system wherein an ultrasound emitter, or gun, is provided which emits an ultrasound beam directed at filter media, on the opposite side of the filter media from where solids accumulate, in order...
6217753 Apparatus for regulating flow of water into water purifier responsive to downstream pressure sensor  
A water purifier generally associated with a beverage dispenser is disclosed. The water purifier includes a conduit having a first end and a second end opposite to the first end, and a water...
6214214 Water treatment system with purge valve responsive to fluid signals  
A water treatment system including a pair of water treatment tanks, each tank defining a flow path extending from a tank inlet to a tank outlet and containing a water treatment material disposed...
6203714 Device for filtering a liquid and method for disinfecting such a device  
Device for filtering a liquid. The filter device is provided with at least two filter elements (8, 15) placed parallel to each other. A three-way cock (6, 13) is accommodated in the pipe (4, 5) to...
6159359 Modular filter apparatus  
A modular filter apparatus is formed from stacked filter modules. Slurry to be filtered flows into the apparatus through a flowmeter and check valve into a header. The flow of slurry then branches...
6139724 Procedure and device for filtration of fluids using MF modules  
A process is described for filtration of fluids, particularly of heterodisperse fluids like beer, in which a cleaning cycle of the MF modules is always carried out when the transmembrane pressure...
6074551 Automatic cleaning system for a reverse osmosis unit in a high purity water treatment system  
A self contained water purification process system uses a self cleaning, self sanitizing reverse osmosis unit for reliably producing purified water, storing the water, and distributing it to a...
6030525 Cost-orientated control of a regenerable filter  
A process of cost-optimized control of a mechanical filter that is situated in a flow of cooling water driven by a cooling water pump in a heat exchanger and that can be regenerated by means of a...
6009404 Method and device for cost-orientated operation of a conditioning device particularly a filter  
The invention pertains to a process and a device for cost-oriented monitoring and/or display of the operating state of a replaceable or regenerable, fluid (7) traversed conditioning device (1),...
6001242 Apparatus and method for high volume pipeline water filtration  
A method and apparatus for filtering particulates from a turbid liquid is provided. The apparatus is preferably used to filter particulates from water used to flush a pipeline after a cleaning...
5922208 Filter device  
A method for filtering out of a liquid at least one solid substance includes supplying the liquid containing the substance via axial supply to a filter; filtering the liquid wherein the substance...
5902477 Combined sewer overflow and storm water diverter screen  
A diverter screen for efficiently handling solid and floatable objects in combined sewer overflows and storm water runoff systems is disclosed. The screen is formed of a mechanical bar screen, one...
5888401 Method and apparatus for reducing membrane fouling  
The present invention is directed, among other things, to methods for reducing fouling of a separation membrane having a concentrate side subject to a concentrate pressure (Pc) and a permeate side...
5871652 Method for high volume pipeline water filtration  
A method and apparatus for filtering particulates from a turbid liquid is provided. The apparatus is preferably used to filter particulates from water used to flush a pipeline after a cleaning...
5833766 Method and conditioning system for regenerating replacement filters  
The invention relates to a method and a conditioning system for regenerating replacement filters, a stackable transport container for use in such a system, and a replacement filter for regeneration...
5832717 Fuel injection supply circuit for providing a metered decontaminated flow of fuel to the fuel injectors  
A fuel injection supply circuit including a main filter situated between a low pressure pump and a high pressure pump, and a fuel metering device for supplying a metered flow of fuel to the fuel...
5804072 Water filter with strainer scraping means  
A water filter having a strainer mounted on the inside for straining water, and a reciprocating device controlled by a pressure differential controller to reciprocate a disk-like scraper in the...
5690830 Waste water treatment apparatus and washing method thereof  
A waste water treatment apparatus which can discharge cleaned waste water while separating and recovering insoluble granular components such as emulsions contained in various kinds of waste waters...
5674384 Filter press with weight-responsive bumping of filter plates  
A shifter mechanism for a filter press, which shifter mechanism incorporates a vibrating mechanism for effecting bumping of individual filter plates during the separation thereof from the closed...
5674403 Backwash retention device and method  
Means and method of straining process streams of liquid-suspended solid particulates includes a primary industrial strainer having means periodically to remove deposited solids by generating a...
5672281 Fluid filtering apparatus and method  
An apparatus and method for separating an effluent into a filtered liquid component and a concentrated sludge component are described. A screen for filtering the effluent is positioned to divide a...
Matches 1 - 50 out of 152 1 2 3 4 >