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7625428 Bioagent air filtration systems  
Generally, systems for air and water purification using unpowered charged sorbent mediums ( 3 ) which may include layered double hydroxide (LDH) ( 1 ) compositions, lignin ( 2 ), and methods of...
7597750 Hybrid wet electrostatic collector  
A hybrid wet electrostatic precipitator for collecting sub-micron and nano-particulate material. The collector can be made up of three concentric tubes or pipes with an internally formed gas path...
7582144 Space efficient hybrid air purifier  
A compact, hybrid particulate and gas collector that can be used in an ultra-clean air purification, vehicle emissions control system, gas turbine, or in any other application where space and lower...
7582145 Space efficient hybrid collector  
A compact, hybrid particulate and gas collector that can be used in a vehicle emissions control system, gas turbine, or in any other application where space and lower cost is important or in...
7527674 Apparatus for filtering gas turbine inlet air  
An inlet air treatment system for a gas turbine includes, in an exemplary embodiment, an air plenum, and a moisture removal system, and an air filtration system located downstream from the moisture...
7510600 Gas purifying apparatus  
A gas purifying apparatus includes an adsorption member (e.g., a honeycomb structural body) that adsorbs particulate matter contained in the gas by the action of an electric field. The apparatus...
7501003 Composite filter media  
The invention provides a renewable composite filter media for removal of particles from a fluid stream. The filter media includes a membrane filtration layer comprising a porous polymeric membrane...
7452411 Electrostatic ionic air emission device  
The invention concerns an electrostatic ionic emission device for depositing on the surface of a plurality of particles aerosols within a fluid, a quasi-homogeneous amount of ions. The device...
7452410 Electrostatic filter having insulated electrodes  
In various aspects of the invention, electrostatic filters having insulated electrodes are described. In such embodiments, care is taken to prevent the accumulation of opposing charges on the...
7413586 In-tool and out-of-tool protection of extreme ultraviolet (EUV) reticles  
A reticle carrier for an Extreme Ultraviolet (EUV) reticle may include nested grids of electret fibers to provide active protection from contamination without a power supply. The reticle carrier...
7374603 Particle transport and near field analytical detection  
Particle collection, transport, and detection systems are disclosed. The systems are uniquely adapted for collecting or concentrating particles from a flowing medium and then transporting the...
7332020 Gas treating device  
A gas treating device capable of electrically collecting dust and of decomposing odors and other matter by plasma includes a plasma generating device integrally incorporated into an ionization part...
7323146 Air purifier  
An air purifier provides various air purification functions relating to various environmental conditions by increasing a purification function relative to specific contaminants through replacement...
7318858 Gas separator for providing an oxygen-enriched stream  
A system for separating oxygen from air operates at a pressure less than atmospheric. The oxygen separation system includes an entry port for ambient air, and at least two separate exhaust ports...
7316735 Dust collector  
An apparatus, which collects particulate matter contained in a gas flowing through a flow path formed in a cylindrical shape having an outer surface and an inner surface, includes: an outer shell...
7300495 Utilization of high permeability filter fabrics to enhance fabric filter performance and related method  
A flue gas treatment system for a fossil-burning power plant having a fuel source and a boiler includes a barrier filter downstream of the boiler, the barrier filter including an...
7279028 Electrostatic filter  
An electrostatic filter having an improved dielectric is described. The dielectric constitutes a dielectric mat formed from high porosity non-woven fibers having pores that have a void fraction of...
7258729 Electronic bi-polar electrostatic air cleaner  
An electro-mechanical electrostatic air cleaner that combines a low air resistance dielectric fibrous filter material positioned between and electrically charged by two electrically resistant...
7252810 Multi-sectional system for continuous gas separation  
A system for separating a gaseous constituent from a gaseous mixture includes a substantially sealed passageway extending between a first exhaust port and a second exhaust port. An entry port for a...
7198660 Electrostatic device for ionic air emission  
Ionic emission electrostatic device ( 1 ) for depositing on the surface (sp) of a multitude of aerosol particles (p 1 , p 2 , . . . , pn) within a fluid (F), a quasi-homogeneous quantity of ions (i...
7132010 Air filtering system  
An air filtration system including a filter ( 4 ) for separation of particles and an ionizer ( 3 ) for ionization of the air. In use of the system, ionization of the air occurs before the air...
7115151 High efficiency particulate air rated vacuum bag media and an associated method of production  
A vacuum bag media and associated method of production, which includes a first layer that includes an expanded polytetrafluoroethylene membrane and at least one second layer that includes a first...
7112238 Electronic air filter with resistive screen and electronic modular assembly  
A polarized media electronic air filter assembly has an electronics box mounted along one side by a slid-in fit into an open, receiving channel. Arcing between screens is reduced by using a...
7105041 Grid type electrostatic separator/collector and method of using same  
An electrical type grid electrostatic collector/separator removes particles from an air stream. The apparatus includes multiple parallel grids that act as the porous material, enclosed in a sealed...
7094270 Composite filter and method of making the same  
The invention refers to a composite filter for filtering a stream of ambient air including at least one non-prebonded upstream tier and one non-prebonded downstream tier, wherein the ratio of...
7029520 Dust collecting apparatus for an air conditioner  
A dust collecting apparatus for an air conditioner, including an ionizer to electrically charge dust particles in air; and a metal filter having fine metal fibers, disposed at a predetermined...
7025798 Tabletop-type air cleaner  
A personal tabletop-type air cleaner is provided which is user-friendly and can improve smoke sucking efficiency in a simple configuration. The disclosed personal tabletop-type air cleaner has a...
6955708 Air-treatment apparatus and methods  
Air-treatment apparatus and methods are disclosed that are especially suitable for treating the air in a room or other dwelling or working space. An apparatus embodiment of the subject apparatus...
6932857 Multi-stage collector and method of operation  
A multi-stage collector of the type used to collect particles from industrial gas. The collector can contain multiple narrow and wide zones formed by a plurality of parallel corrugated plates....
6916363 Air filter  
An air filter in which a thick sheet of textile of three-dimensionally knitted synthetic fiber thread is sliced at a middle position in a thickness direction and separated into a front face and a...
6902603 Integrated air filtration unit  
An integrated air filtration unit includes a support structure for mounting a V-shaped filter bank to an air passage of an air handling system. The V-shaped filter bank may be moved from a working...
6878192 Electrostatic sieving precipitator  
An electrostatic precipitator using substantially planar screens of similar charge positioned perpendicular to the gas flow direction. The screens have a similar charge of the same polarity, and...
6872233 High efficiency particulate air rated vacuum bag media and an associated method of production  
A vacuum bag media and associated method of production, which includes a first layer that includes an expanded polytetrafluoroethylene membrane and at least one second layer that includes a first...
6827764 Molded filter element that contains thermally bonded staple fibers and electrically-charged microfibers  
A filter element that comprises a porous molded web 10 ′ that contains thermally bonded staple fibers 12 and non-thermally bonded electrically charged microfibers 14 . The molded web is...
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.
6805732 Electrostatic treatment of aerosols, devices and method for producing same  
The invention concerns a volume generator ( 1 ) of chaotic electrostatic field (E), locally amplified, to subject a fluid (U) loaded with aerosol parties (P, p) to the action of an electrostatic...
6793715 Equipment air filter  
The invention provides a filter that can be cut-to-fit or deformed to fit a variety of differently shaped and sized intakes. The invention also provides a filter kit that allows a user to create a...
6790259 Method and device for cleaning a gaseous fluid using a conductive grid between charging head and filter  
An improved method is disclosed for cleaning a flow of gaseous fluid, such as room air, from particles present in the fluid, the gaseous fluid being ionized, and using a conductive grid placed...
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...
6773489 Grid type electrostatic separator/collector and method of using same  
An electrical type grid electrostatic collector/separator removes particles from an air stream. The apparatus includes multiple parallel grids that act as the porous material, enclosed in a sealed...
6764533 Electronic air filter assembly  
An electronic air filter assembly includes filter media disposed on opposite sides of an electrified charging screen. The filter media and charging screen are held between outer screens. The outer...
6669761 Air filter having electrostatically active nonwoven fabric inliners and their use  
A multi-layer air filter is described, including a filter layer which is covered by a prefilter layer on the dust-laden gas side, which has a laid dry electrostatically effective nonwoven fabric,...
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...
6602330 Air purification assembly  
An air purification assembly ( 10 ) that is adapted to be used in combination with a vehicle incorporating a heating, ventilation and air conditioning (HVAC) system ( 100 ). The assembly ( 10 )...
6602331 Handrail for variable speed moving walkway  
Handrail for variable speed moving walkway which comprises a flexible belt or profile which circulates over the length of the walkway, with a forward stretch and a return stretch. The profile or...
6589317 Structured surface filtration media array  
An electrostaticly charged filtration media is provided including a plurality of polymeric structured polymeric film layers having a structured surface defined on at least one face of each...
6585803 Electrically enhanced electrostatic precipitator with grounded stainless steel collector electrode and method of using same  
A sintered stainless steel filter is used as the grounded electrode of a point-to-plane electrostatic precipitator. Particles flow through, rather than parallel to, the collection plate. Particle...
6585809 Continuous gas separation in an open system  
A system for separating a gaseous constituent from a gaseous mixture includes an ionization chamber, suction plenums separated from the chamber by an anode or a cathode, suction pumps for drawing...
6572685 Air filter assembly having an electrostatically charged filter material with varying porosity  
An air filter assembly includes a filter media that is electrostatically charged. The filter media has a first porosity at the inlet side and a second porosity at the outlet side. An electrostatic...
Matches 1 - 50 out of 154 1 2 3 4 >