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Patent Searching and Data


Matches 801 - 850 out of 15,787

Document Document Title
WO/2001/078865A1
Filter assemblies with adhesive attachment systems are provided. In one embodiment, a filter assembly includes a porous filter member and an adhesive disposed on a reinforcement scrim adhesively attached to at least a portion of at least...  
WO/2001/080257A1
A method of making an electret includes condensing vapor from the atmosphere of a controlled environment onto a dielectric article and then drying the article to remove the condensate.  
WO/2001/072428A1
The present invention relates to an air cleaner which is very effective in purifying and humidifying air in room and has functions for sterilizing and perfuming air. A main body (10) is provided with an air suction grill (11) and an air ...  
WO/2001/073908A1
An ionizing electrode (3) comprises a flat anode (31a) with a plurality of pointed parts (31b) on the outer edges and a spherical cathode (32a) opposed to the anode (31a). Since the pointed parts (31b) of the anode (31a) do not directly ...  
WO/2001/069065A1
The present invention describes a method and an arrangement for purifying the intake air of a gas turbine of solid particles and liquid droplets. According to the invention air is taken into the system of intake air passages (1, 2, 4) of...  
WO/2001/069233A2
The invention relates to a device for the sampling of gases for analysis. Said gases are heavily contaminated with, in particular, solids and tars and are, in particular, raw coke oven gases. A largely condensation-protected, in particul...  
WO/2001/069357A1
An anionizer for personal computers is disclosed. This anionizer is comprised of an anionizer unit, which has a detachable dust collector and an anionizing assembly and is installed in the drive mount opening of a personal computer in th...  
WO/2001/066265A1
A method and device for purifying air contaminated by paint particles (6). Paint particles passing in front of a workpiece (7) which is to be painted is suctioned off by means of a suction device. The flow of suctioned air is guided alon...  
WO/2001/064349A1
Power consumption and ozone generating rate are suppressed to the utmost by charging dust particles using an ion emitting means that emits ionized air exclusively without causing corona discharge. Conventional dust collecting apparatuses...  
WO/2001/060497A1
The filter cartridge comprises a mesh structure forming a generally annular cylinder comprising a center opening, a plurality of compartments containing a filter medium, and spaces between the compartments. The spaces between the compart...  
WO/2001/056678A1
A filter media system, which is capable of operating in the microfiltration regime, offers: low cost, durability, high temperature and chemical resistance, no particulation, mechanical strength, separation efficiency, and biocompatibilit...  
WO/2001/052995A1
The present invention is directed toward a filter media for a high efficiency air ('HEPA') filter including a multiplicity of adjacent electrostatically charged piles (10, 12, 14) of nonwoven fabric. The invention further includes a meth...  
WO/2001/052997A1
A method and apparatus for collecting and separating abiotic and/or biotic particles and/or chemicals in a liquid or gaseous sample. The apparatus includes a substrate (10) supporting at least one pair of electrodes (4, 6) and defining a...  
WO/2001/047803A1
A method to limit ozone production in wind ion devices while simultaneously realizing incidents of high acceleration in such devices varies the high voltage potential across the array of emitter(s) (10) and collectors (20) over time in s...  
WO/2001/048781A1
Ozone output in ion wind devices using one or more emitters (10) and an array of collectors (20) (accelerators) may be reduced through catalytic conversion of the produced ozone back to oxygen by using various materials placed in or down...  
WO/2001/045851A1
Structures for V-bank electrostatic air filters (10) are assembled from two side panels (18), perforated top (26) and bottom (28) plates, a narrow end wall (14) and an open, wide end (16) for the intake of air to be filtered. A pair of e...  
WO/2001/039889A1
The invention relates to a method suited for the manufacture of air-cleaning filters, which includes the steps to feed out a rigid, although formable strip (8) in a lying state from a store (7), to advance a lying mat (24) of threads (3)...  
WO/2001/038000A1
The invention concerns a volume generator (1) of chaotic electrostatic field (E), locally amplified, to subject a fluid (U) loaded with aerosol particles (P, p) to the action of an electrostatic field (E) highly variable in amplitude and...  
WO/2001/034854A2
Fine particles of dust and other pollutants in gas streams entering a duct (10) are agglomerated to form larger particles which are more easily filtered in downstream processing. Particles in successive portions of the gas stream are cha...  
WO/2001/034281A1
The invention relates to a device for separating and converting soot particles into gaseous substances from a stream of exhaust gas, in particular of a diesel internal combustion engine. According to the invention, the exhaust gas is pas...  
WO/2001/030504A1
The invention refers to an ion particle classifier and a method for classifying coarse solid particles from an air suspension of micronized particles, said ion particle classifier comprising a housing surrounding an electrically conducti...  
WO/2001/028692A1
An electrofiltration apparatus is provided having at least one electrostatically charged polymeric film layer having surface structures. The film layers may be configured as a collection cell that has the structured film layer defining a...  
WO/2001/028656A1
There is disclosed an electrostatically charged filter material comprising a blend of polyester fibres and electrostatically chargeable fibres of at least one other kind.  
WO/2001/026778A1
A method for imparting an electrostatic charge to a nonwoven fibrous web (20). The fibrous web (20) is wetted with a wetting liquid (24), followed by being saturated with an aqueous polar liquid (30) and drying (31). The resulting dried ...  
WO/2001/027371A1
A method and apparatus for charging fibers that contain a nonconductive polymer. A polar liquid (32, 34) is sprayed onto free-fibers (24), and the free-fibers (24) are then collected to form an entangled nonwoven fibrous web (25) that ma...  
WO/2001/027381A1
A method of charging fibrous webs with nonaqueous polar liquids. A web (20) that contains nonconductive fibers is wetted with a nonaqueous polar liquid (14). The web (20) is then substantially dried (22) to provide a fibrous electret web...  
WO/2001/027965A1
An electrostatic fluid accelerator having a multiplicity of closely spaced corona electrodes (1). The close spacing of such corona electrodes (1) is obtainable because such corona electrodes (1) are isolated from one another with excitin...  
WO/2001/022421A1
The present invention is an improved molded filter which performs multiple filtration functions within an enclosed environment, such as within a computer hard disk drive. In a first embodiment, the filter is capable of removing particula...  
WO/2001/019525A1
The invention concerns a device comprising at least an electrostatic filter (20) with corona effect comprising an emitting structure (29, 32, 33) and a collector structure (24). The invention is characterised in that the collector struct...  
WO/2001/019419A1
An air cleaner which is free from a conventional disadvantage that, when an ionizing unit is removed from a body housing for cleaning, an ionizing wire is broken at an erroneous touch of it, wherein a pre-filter (7) is installed removabl...  
WO/2001/020076A2
The present invention relates to high dielectric non-woven fabrics and their synthetic process. Particularly, the present invention relates to a process for preparing high dielectric non-woven fabrics comprising the steps of (a) mix-spin...  
WO/2001/015800A1
Methods and devices are provided for producing dense arrays of chemical entities. A substrate comprises a plurality of microlocations having microelectrodes connected to a network for connection to a computer to control the voltage and p...  
WO/2001/015811A1
An air cleaner comprises a grounding electrode (51) of sheet metal on the charger side and a grounding electrode (49) on the dust-collecting side, which consists of a conductive resin mold formed separately from the grounding electrode (...  
WO/2001/014784A1
The invention relates to an insulating enclosure (1) comprised of basic units (2) that can be assembled with one another. Said basic units consist of an outer covering (4), of an insulating material (3) having two or more layers, and of ...  
WO/2001/010537A1
There is provided a filter device with a housing having an air delivery fan (1), preferably a fan having an axial air inlet (6) and a radial air outlet (7). An axially rotating fan and filter unit is located between the air inlet and air...  
WO/2001/008804A1
A ground conductor for grounding systems of electrostatic separators, comprising an electroconductive core with a plastic or rubber sheath. In order to prevent the liquids from flowing therethrough, the inventive ground conductor consist...  
WO/2001/007670A1
The invention concerns a method for the preparation of fine-grain ore (2) in which the ore (2) is subjected to wind screening using a gas. Two fractions are formed (6, 8): a crude fraction (6) and a primary fine fraction (8), whereby the...  
WO/2001/005010A1
A method and apparatus for detecting electromagnetic noise generated by an arc and controlling a power supply that powers the arcs. In an embodiment of the invention, the apparatus includes an arc detection circuit (100) and a power supp...  
WO/2001/002081A1
Combined system for the removal of contaminants from gas effluents, of the type comprising at least an electronic bombardment operation and at least an electrostatic interaction operation, wherein an operation for heat diffusion and mole...  
WO/2001/000301A1
This invention relates to a filtering device (10) and method for extracting pollutants from a zone. This invention further relates to a corona discharge reactor (16) and filtration unit for treating a polluted air stream. This invention ...  
WO/2000/078463A1
The method and apparatus of the present invention are directed to conditioning particulate-containing gas streams (36) using novel additives (10). The additive (10) is an organometallic salt, preferably of a carboxylic acid, that decompo...  
WO/2000/078430A2
An electret filter media includes an additive or mixtures thereof that enhance the charge stability of the media. The filter media achieves acceptable alpha values for a range of filtration challenges without significant decay in alpha v...  
WO/2000/074188A1
The invention concerns an ion generating device in gaseous medium, comprising one or several needles (40), having a body (40-1) and an emitting end (40-2), a composite material sleeve (42) comprising an unsaturated polyester, reinforced ...  
WO/2000/062936A1
The invention relates to an arrangement and method for purification of flowing gas. The invention comprises at least one flow duct (1, 5, 6, 7), with a first potential, which has an internal dimension and through which the gas is arrange...  
WO/2000/061293A1
A particle precipitation device for removing particles entrained in a gas stream comprises an array of passages (10) through which the gas stream can pass relatively freely, the passages being provided between plastics walls, means for u...  
WO/2000/056461A1
The invention relates to an electrodeposition device, having two or more emission electrodes that can be connected to a common electrical supply line and an electrically insulating electrode holder, wherein the electrode holder is made o...  
WO/2000/053325A1
The invention relates to a method and device for separating materials in the form of particles and/or drops from a gas flow, in which method the gas flow is directed through a collection chamber the outer walls of which are grounded, and...  
WO/2000/051742A1
The invention relates to an electric filter which comprises emission and separation systems, which are intended for separating particles from a gaseous, particle-containing medium passing through the electric filter, and a filter chamber...  
WO/2000/047326A1
Gas scrubbing apparatus and method, employing highly charged liquid droplets (22) for removal of both particulates and pollutant gases from the gas to be cleaned, having spreading liquid sheet electrodes (20) emitting the droplets (22) f...  
WO/2000/033945A1
A method and a device are described for employing low temperature plasma and electrostatic filter technology to remove particles and other pollutants from effluent from incinerators, especially from furnaces and combustion chambers which...  

Matches 801 - 850 out of 15,787