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Match Document Document Title
7553440 Method and apparatus for electric treatment of substrates  
Methods and apparatus for hydrodischarging and hydrocharging substrates and articles to produce enhanced ability to avoid attraction of contaminants or improved capability of removing contaminants...
7538556 Spot-type ionizer evaluation method and spot-type ionizer  
A spot-type DC ionizer placed above a measurement plate of a charge plate monitoring device including a grid using a metal net attached to a nozzle opening. Compressed air is set at a value, and a...
7531141 Mobile air decontamination and purification unit  
A variety of transportable air treatment system improvements are described. In one aspect of the invention, the system is designed to significantly reduce the noise generated during operation. In...
7524362 Modular filter assembly  
An air treatment assembly for treating air passing through an air duct comprises a frame defining an interior space and having an inlet opening providing access to the interior space, an air...
7473303 System and method for improved mercury control  
A combustion system having improved mercury collection. The system includes a combustion chamber for burning a fuel containing mercury, whereby burning produces a flue gas stream containing mercury...
7390351 Electrets and compounds useful in electrets  
An electret filter media that includes a thermoplastic resin and a compound of the formula Y 2 -A(R 1 ) n —Y 1 , where A is benzene, naphthalene or anthracene, Y 1 and Y 2 are each...
7361210 Methods and apparatuses for separating froth  
Methods and apparatuses are provided for separating froth into liquid and gas components. One apparatus includes a container that is configured to hold froth therein and change at least a portion...
7332019 Air filtration system  
An air filtration system includable in and for HVAC equipment includes one or more intense field dielectric filter units and a field charging unit retained in a support structure or cabinet by a...
7319222 Mass spectrometer and mass analysis method  
A linear trap which allows for charge separation and ion mobility separation in a speedy manner, and enables measurement with high duty cycle. A mass spectrometer comprises an ion source, an ion...
7190579 Data processing system with air purifying device  
An air purifying data processing system includes a chassis, a planar, a microprocessor and an air purifier. The air purifier produces purified air that is exhausted exterior to the chassis to...
7041157 Filter system for spreading soot particles from a stream of exhaust gas  
An apparatus for separating and converting exhaust particulates from a stream of exhaust gas, especially a diesel engine, into gaseous substances, in which the exhaust gas is guided through a...
6966939 Multi-layer filter structure and use of a multi-layer filter structure  
The invention describes a multi-layer filter structure and the use of a multi-layer filter structure for the dust removal from gases, wherein a coarse dust filter layer, a fine dust filter layer,...
6951580 Method for minimizing bowing of collector plates in an electrostatic precipitator, and a collector plate-clip combination  
A bow-reduced precipitator collector plate assembly and an appertaining method include a precipitator collector plate that contacts a spring-like stiffening element configured to be attached to a...
6895816 Apparatus for remotely detecting fluid reservoir levels in fluid and gas well  
An apparatus for detecting fluid levels in an oil and gas well environment and transmitting a signal to a remote site when sensing that the level has reached a predetermined amount.
6841136 Lighting equipment having an anion generator  
A lighting equipment for purifying air, includes an anion generator generating anions to purify air; a housing including an electric power source supplying an electric power, an amplifier...
6811594 Filter materials and methods for the production thereof  
There is disclosed an electrostatically charged filter material comprising a blend of polyester fibers and electrostatically chargeable fibers of at least one other kind.
6783574 Electret filter media and filtering masks that contain electret filter media  
Electret filter media comprising a nonwoven web of thermoplastic nonconductive microfibers having trapped charge, said charge provided by (1) subjecting the nonwoven web to a corona treatment,...
6780226 Charge stabilized electret filter media  
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...
6706086 Dust filter bag including a highly porous backing material ply  
A dust filter bag having a highly porous backing material ply and a method for producing the dust filter bag. The dust filter bag includes at least one filter material ply and at least one backing...
6623548 Filter materials and methods for the production thereof  
An electrostatically charged filter material including a blend of polypropylene fibres and one selected from the group consisting of: halogen free acrylic fibres; polyvinyl chloride fibers or a...
6592642 Brake dust collection assembly  
A vehicle brake assembly includes a brake rubbing interface operative to slow a vehicle when activated. The interface produces airborne brake dust particles when activated. A dust collector plate...
6565633 Electron beam treatment apparatus of flue gas and boiler system with the same apparatus  
The electron beam is irradiated from the center part to the outer direction in the irradiation duct. Then required electron range is decreased and the required beam energy is decreased. The...
6562112 Fluorinated electret  
An electret is described that includes a surface modified polymeric article having surface fluorination produced by fluorinating the polymeric article.
6530979 Flue gas cleaner  
Apparatus and a process are described, wherein furnace flue gas, containing moisture, is expanded through a pressure drop sufficient to cause saturation of the gas. The resulting condensation of...
6506348 Heavy oil fired boiler exhaust gas treatment apparatus  
There is provided a heavy oil fired boiler exhaust gas treatment apparatus which removes soot and dust and SO 3 in the heavy oil fired boiler exhaust gas efficiently at a low cost without using an...
6488731 Pleated filter made of a multi-layer filter medium  
The present invention relates to a pleated filter made of a multi-layer filter medium, including at least one filter paper layer having area weights of 30-100 g/m 2 , a microfiber nonwoven fabric...
6440199 Electric filter  
The invention relates to an electric filter which includes emission and separation systems, which are intended for separating particles from a gaseous, particle-containing medium passing through...
6428610 Hepa filter  
The present invention is directed toward a filter media for a high efficiency particulate air (“HEPA”) filter including a multiplicity of adjacent electrostatically charged piles of nonwoven...
6271509 Artificial dielectric device for heating gases with electromagnetic energy  
A device for thermal treatment of gases and pollutants employs alternate cavity (1) and susceptor (9) geometries for providing more homogeneous interactions of applied electromagnetic energy (6) in...
6238466 Electret articles and filters with increased oily mist resistance  
Novel electret articles containing a polymer and a performance-enhancing additive can be identified by their thermally stimulated conductivity characteristics or their filtration properties....
6224652 Method and device for the agglomeration of particles in a gaseous flow  
This invention relates to a method and a device for agglomerating particles in a gaseous flow through an acoustical agglomeration chamber (3). According to the invention a portion of the flow at...
6214094 Electret filters that exhibit increased oily mist resistance  
The thermally stimulated discharge current of an electret article can be used to identify electret articles that exhibit superior filtration properties. Electret filters that exhibit superior...
6206970 Semiconductor wafer processor, semiconductor processor gas filtering system and semiconductor processing methods  
Particle traps for semiconductor wafer vapor processors and methods of filtering particles in a semiconductor wafer processor are described. In accordance with a preferred implementation, a...
6183536 Enhanced performance vacuum cleaner bag and method of operation  
A vacuum filter bag is constructed of layers which include a high air permeability multipurpose layer positioned upstream in the direction of air flow of a second filtration layer. The second...
6171369 Vacuum cleaner bag construction and method of operation  
A disposable vacuum cleaner filter bag is constructed of layers which include a filtration grade meltblown fleece layer having a basis weight of about 10-50 g/m 2 and air permeability of about...
6164082 Air conditioner with air cleaner  
An air conditioner equipped with an air cleaner. In the air conditioner, a dust collector is arranged in an air path located behind a heat exchanger. A dust collecting electrode of the dust...
6163098 Electro-kinetic air refreshener-conditioner with optional night light  
An electro-kinetic electro-static air conditioner includes a self-contained ion generator that provides electro-kinetically moved air with ions and safe amounts of ozone. The conditioner may be...
6139608 Process for producing meltblown polyolefin fibers for mechanical filtration  
A process for producing meltblown polyolefin fibres having an effective diameter of less than 5 microns, comprising providing a polyolefin having a melt flow index of at least 1000, mixing a...
6092387 Air conditioner with electric dust collector  
An air conditioner includes an electric dust collector arranged between an evaporator and a heat shield plate. This electric dust collector includes a discharge electrode and a dust collecting...
5964926 Gas born particulate filter and method of making  
Disclosed is an improved filter formed from a non-dielectric material which has been coated with a dielectric material and electret treated by, for example, DC corona discharge treatment. Also...
5950424 Diesel engine exhaust particle collection device  
A collection device for collecting, under electrical control, particles (10) in an exhaust from a diesel engine is disclosed. The device has a needle electrode (8) having a needle tip (8a) for...
5902489 Particle handling method by acoustic radiation force and apparatus therefore  
A chamber for exerting an ultrasound beam on a sample solution containing particles to be concentrated, separated or arranged is provided with a view toward arbitrarily controlling the shape of a...
5672323 Activated carbon flue gas desulfurization systems for mercury removal  
Activated carbon injection is provided for mercury removal in a flue gas treatment system having an electrostatic precipitator and a wet flue gas desulfurization tower by injecting fresh activated...
5667562 Spunbond vacuum cleaner webs  
There is provided a vacuum cleaner filter medium which is a nonwoven spunbond web of conjugate spunbond fibers. The web has a Frazier permeability of at least 250 CFM, an NaCI efficiency of at...
5655210 Corona source for producing corona discharge and fluid waste treatment with corona discharge  
A corona source suitable for use in vehicle ignition systems uses a conductive coil that receives an RF input at one end and has a corona discharge site at the other end, with a reference electrode...
5536477 Pollution arrestor  
A pollution arrestor removes various pollutants, such as soot, NO x , CO and hydrocarbons, from a gas stream. The pollution arrestor is composed in layers starting with a particulate filter to...
5472481 Oily mist resistant electret filter media  
An oily mist resistant electret filter media is provided. The filter media includes polypropylene electret fibers and a melt processable fluorochemical additive, the additive having a melting point...
5419953 Multilayer composite air filtration media  
A composite filter media is formed of a plurality of layers. A central layer of electrostatically charged material formed of a carded mixture of polyolefin fibers such as polypropylene and...
5342427 Apparatus for cullet preheating and polluting emission reduction in the glass manufacturing process  
A apparatus for simultaneously preheating cullet and removing pollutants from glass furnace gases is disclosed. Raw moist cullet having fine glass dust material and other impurities adhered to its...
5217510 Apparatus for preventing particle deposition from process streams on optical access windows  
An electrostatic precipitator is disposed inside and around the periphery of the window of a viewing port communicating with a housing through which a particle-laden gas stream is being passed. The...
Matches 1 - 50 out of 68 1 2 >