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Patent Searching and Data


Matches 801 - 850 out of 15,873

Document Document Title
WO/2003/013732A1
The invention relates to a filter element having at least one support layer or a carrier layer which is coated with fibers produced according to an electrostatic spinning method. Said fibers have a diameter of less than 1 $g(m)M b. The i...  
WO/2003/011437A1
A gasoline engine having an exhaust system comprises means for trapping particulate matter (PM) from the exhaust gas and a catalyst for catalysing the oxidation of the PM by carbon dioxide and/or water in the exhaust gas, which catalyst ...  
WO/2003/009933A1
A method of producing a filter material is disclosed, the method including (i) applying droplets of a bonding agent over at least a portion of a layer of an open fiber matrix (10) to form adhesive contacting regions bound to individual o...  
WO/2003/009944A1
An air cleaner comprising an electron generator (12-13) that includes a pointed head (12), a collector element (14) and an electric circuit (13) included in the electronic generator (12-13) for generating a negative potential on the poin...  
WO/2003/008104A1
The unit for scrubbing gas comprises three sections: 1. the ionising and main scrubbing section for the water-saturated raw gas, comprising a space charge region following the ionisation device for the contaminating particles, 2. the aux...  
WO/2003/006169A1
In a first aspect, the invention relates to a method for producing air-cleaning filters of the type comprising a set of electrostatically chargeable threads (1'), which are carried by a common, form-stiff body (2), which is made from an ...  
WO/2003/006362A1
A device and method are provided for producing negatively charged nanoparticles. The device is comprised of an electron supermicroemitter and which are connected with a power supply, respectively. The potential of the electron supermicro...  
WO2002076618A3
A device and method for controlling particulate air pollutants of the present invention combines filtration and electrostatic collection devices. The invention includes a chamber housing a plurality of rows of filter elements (52). Betwe...  
WO/2003/002262A1
The device according to the invention comprises a drip chamber, which is adapted for connecting to the ordinary water mains, a metal plate and a nozzle that is connected to the drip chamber and disposed above the metal plate and a collec...  
WO/2003/002261A1
A device for purification of air comprising: a metal plate, electrical connections connected to the metal plate in order to impress a voltage on the metal plate, a heating element for heating the metal plate, a nozzle connected to a wate...  
WO/2003/002861A1
The invention relates to a method for purifying the intake air of a gas turbine by separating from the ambient inlet air the nongaseous components such as suspended solid particles and water droplets. In the method, air is passed into at...  
WO2002009845A3
A high efficiency particulate air (HEPA) filter made from a layer of electrostatically-charged thermoplastic fiber scrim that is point-bonded to a layer of glass fiber batting to form a composite layer defining an area, wherein the point...  
WO/2003/000382A1
A filter member characterized by comprising a deodorizing filter layer (1) with a deodorant attached to the framework surface of a net−like filter base, dust collecting filter layers (2a, 2b) having a dust collecting function, laminate...  
WO/2002/100551A1
A filter system (10) with a housing (12) defining a passage (22) between an inlet (14) and an outlet (16) and one or more structures (18(1)-18(6)) located in the passage (22) in the housing (12). Each of the structures (18(1)-18(6)) incl...  
WO/2002/100550A1
The invention relates to an electrostatic filter comprising a frame, a first group of essentially plate-shaped electrodes and a second group of likewise plate-shaped electrode elements, the electrode elements of the first group alternati...  
WO2001078865A8
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/2002/096591A1
A method for removing NO and N¿2?O from a gas stream is provided. The method comprises providing flue gases having NO and/or N¿2?O, introducing the flue gas stream into a pulsed corona reactor, and reacting the raw feed gases within th...  
WO/2002/098189A2
An EUV photon source includes a plasma chamber filled with a gas mixture, multiple electrodes within the plasma chamber defining a plasma region and a central axis, a power supply circuit connected to the electrodes for delivering a main...  
WO/2002/092233A1
A device by gas cleaning, preferably in a duct (1) in which two or more electrodes are connected to a voltage source, and where a first electrode (6) is located between two conductors/electrodes (2,8), where the first electrode (6) is el...  
WO/2002/089990A1
A resin electrode for use as an electrode being opposed to a discharge electrode, which comprises an electroconductive resin comprising a polyolefin or polyester resin and an electroconductive carbon black incorporated therein&semi and a...  
WO2002062481A8
The invention relates to analytical instrument-making engineering and can be used for analysing industrial gas and air emissions. The aim of said invention is to increase the sampling efficiency and to reduce, correspondingly the time of...  
WO/2002/087771A1
A battery (16) drives an electric motor (17) which in turn drives a fan (18). A circuit board (20) controls the operation of the motor and fan to maintain the flow rate. Air is drawn through an inlet (22) and out through a vent (24). Foa...  
WO/2002/085524A1
A device for purifying outgoing air which is loaded with contaminants, comprising an ionization unit (2) which is used to ionize contaminants which are contained in said outgoing air and a collector unit (4, 5) which is used to separate ...  
WO/2002/083315A1
A device for purifying air, includes a housing having an end portion supplied with power, at least one illumination unit engaged with the housing for emitting light to illuminate areas, an air purifying unit, engaged with the housing, fo...  
WO/2002/083314A1
The invention relates to an air-cleaning filter of the type that comprises a set of soft threads (4) of an electrostatically chargeable material and a thread-carrying body (3), having a round basic shape, which comprises gaps (6) defined...  
WO/2002/077537A1
An air cleaning apparatus is disclosed which, in one embodiment, has: an inlet (1) for ambient air; an outlet (2) for purified air; a mechanism for the uptake of a scrubbing liquor and for the removal of impurities dissolved or dispersed...  
WO/2002/076619A1
The inventive device for cleaning air from dust and aerosols is based on the use of a heterogeneous electrostatic field which forms a stream of charged particles called ionic wind and operates as electric filter. Said device comprises a ...  
WO/2002/076618A2
A device and method for controlling particulate air pollutants of the present invention combines filtration and electrostatic collection devices. The invention includes a chamber housing a plurality of rows of filter elements (52). Betwe...  
WO/2002/076620A1
An apparatus for electrostatically separating conductive particles and insulative particles which shows a shortening in separating time and in separating performance comprises an approximately flat bottom electrode (26) mounted below, an...  
WO/2002/076576A2
A vapor phase treated electret filter media includes an additive or mixtures thereof that enhance the charge stability of the media. The filter media achives acceptable alpha values for a range of filtration challenges without significan...  
WO/2002/072237A1
A pleatable high efficiency non-woven, gas filtration media is provided. The media has an electrically charged air laid fibrous layer with a thickness between about 2 and 35 mils, and a wet laid fibrous layer having a thickness of betwee...  
WO/2002/069777A1
An electrostatic filter assembly (50) is provided that utilizes electrostatic forces to attract charged particulate matter entrained in a fluid stream to the operating elements in the electrostatic filter assembly and a residual charge b...  
WO2002020163A3
An electrostatic precipitator type filter is combined with replaceable, polarizable trapping media. In one aspect of the invention, the media is fitted between polarizing plates. In another aspect, the media is coated in sections to form...  
WO/2002/068125A1
An air filter includes a stack (FB) of filter discs (10, 20) formed with contacting faces having surface formations defining filtering passageways between adjacent discs (10, 20) for removing solid particles from the air passing through ...  
WO/2002/066167A1
The electrostatic dust separator (10) has integrated filter tubing (12) whereby it is also known as a hybrid filter. The invention comprises plate-type collecting electrodes (14) which are arranged in a substantially parallel manner, fil...  
WO/2002/062481A1
The invention relates to analytical instrument-making engineering and can be used for analysing industrial gas and air emissions. The aim of said invention is to increase the sampling efficiency and to reduce, correspondingly the time of...  
WO/2002/052076A1
Charged, high-strength, high-modulus, melt-processed microfibers, films having a charged, microfibrillated surface, and methods of making the same are described. Charged microfibrillated articles of the invention can be prepared by impar...  
WO/2002/049767A1
The invention concerns an electrostatic ionic emission device (1) for depositing on the surface (sp) of a plurality of particles (p1, p2, , pn) aerosols within a fluid (F), a quasi-homogeneous amount of ions (I¿q?). The device (1) compr...  
WO2002020162A3
An electrostatic precipitator type filter is combined with replaceable, polarizable trapping media. In one aspect of the invention, the media is fitted between polarizing plates. In another aspect, the media is coated in sections to form...  
WO/2002/042003A1
An electrostatic filter (1) has a chamber (11) into which a gas stream is introduced. An ioniser (19) in the form of an electrode array (20) is located in the chamber (11) and creates an ionising zone through which the gas stream passes....  
WO2002016042A3
Disclosed is a portable air filtration system for removing contaminants from room air. In one embodiment, the air filtration system comprises a power supply and an air blower module electrically connected to the power supply. The air fil...  
WO/2002/034364A1
The invention relates to woven or knitted fabric and is characterised in that an electrostatic charge is generated by means of friction on the woven or knitted fabric. Said electrostatic charge improves the filtration properties of the f...  
WO/2002/032840A1
The invention relates to a method for producing naphthalene from coke oven crude gas. The coke oven crude gas is directly cooled by means of sprinkling water thereon, and the naphthalene is obtained by subsequent refrigerating and treatm...  
WO/2002/032577A1
The invention relates to an air-cleaning filter of the type that comprises a set of fine, soft threads (2) of an electrostatically chargeable material, which are supported by a body composed of a plurality of elongated and flat laminae (...  
WO/2002/032578A1
A modular two-stage electrostatic precipitator (10) for extracting airborne particles includes individual ionizer/collector cell modules (16) having integrated power supplies (24) and diagnostic systems (84). The cell modules (16) are ad...  
WO/2002/030544A1
The present invention provides an electret nonwoven filter medium comprising a nonwoven filter web of electrostatically charged fibrillated fibers ultrasonically joined to each other at a plurality of spots distributed across said nonwov...  
WO/2002/030548A1
The present invention provides a combination filter for filtering fluids comprising: a flow channel filtration media array and an adsorber particle filtration media, wherein said flow channel filtration media array has a first face and a...  
WO2001034854A3
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/2002/030574A1
The invention relates to a method for operating an electrostatic filter, whereby the real electrostatic filter (1) is transformed to a filter model (2) that comprises at least one inlet zone (2a), at least one center zone (2b) and at lea...  
WO/2002/029218A1
The invention relates to a method for treatment of a gas flow, comprising: guiding the gas flow through a gas treatment unit (18) adapted for filtering particles in said gas flow, and eliminating said particles in said gas treatment unit...  

Matches 801 - 850 out of 15,873