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7621989 |
Filter structure, filter panel comprising the filter structure and method for manufacturing the filter structure
A pleatable filter structure for use in a filter panel, containing ion exchange particles distributed within a fibrous framework is expanded to contain enough space to allow the ion exchange...
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7621372 |
Duct and process for producing the same
An object of the present invention is to provide a duct having a simple structure and capable of suppressing occurrences of an intake noise and a dropping-out of an adsorbent, and to a process for...
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7608137 |
Air cleaner and fuel adsorbent member
A fuel adsorbent member 16 is arranged in a housing 11 at a position downstream from a filter element 14 . The fuel adsorbent member 16 adsorbs evaporative fuel. An air cleaner is configured...
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7601207 |
Gas recovery system
A gas recovery system is disclosed. The gas recovery system includes a gas source productive of a gaseous stream comprising moisture, a gas dryer in fluid communication with and downstream of the...
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7601202 |
Method and device for reducing the carbon dioxide concentration in air
The invention relates to a method for reducing the carbon dioxide concentration in air of a closed or partially closed unit of space. The inventive method may comprise the steps of removing an air...
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7601189 |
Filtration method and a filter device for removing impurities from the air of a limited space and an apparatus for removing carbon dioxide from the air of an air-raid shelter
A filtering method and a filter device ( 10 ) for removing impurities from the breathing air ( 24 ) in a room, an air raid shelter or a vehicle. According to the filtering method, the air to be...
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7597733 |
Liquid absorbing filter assembly and system
A filter assembly for use in sidestream gas sampling assembly. The filter assembly of the present invention includes a hydrophilic member that is constructed from a porous material and is situated...
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7591868 |
Filter for electronic enclosure
A filter including a base portion along with a flange extending from the base and a top surface plus a bottom surface is disclosed. The filter also includes an outlet. During use the filter is...
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7588629 |
Filter cassette
A filter cassette having opposing rectangular side panels with at least one pair of filter media containers there between wherein each filter media container has a pair of opposing rectangular end...
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7585358 |
Small and large particle recirculation filter
A recirculation filter includes a first layer and a second layer. The first layer has a first side and a second side and is configured to trap particles that are of a first size. The second layer...
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7582142 |
Absorbing agent, dust collection chamber and method for adsorbing odours
Described is an adsorbing agent for dust-collecting filters, especially for adsorbing odors. The adsorbing agent may include fibers, flakes and/or granulate as a supporting material onto which a...
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7572322 |
Plasma-treated textile surfaces for adsorption filter materials
The invention relates to an adsorption filter material ( 1 ) that provides protection against chemical toxins, chemical weapons and pollutants, with a preferably multi-layer composite construction...
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7569088 |
Method and apparatus for circulating air through a hard disk drive
Hard disk drive housing including at least one inlet, at least one outlet. The inlet is situated near spindle and above disk in hard disk drive. The outlet is situated near outside diameter of...
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7563310 |
Air dehumidifier for oil-insulated transformers, choke coils and steps switches
A dehumidifier for an electrical-equipment air intake has an outer housing wall and a floor of a material with a high specific thermal conductivity downwardly closing the outer housing wall, having...
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7547350 |
Air induction system with hydrocarbon trap assembly
A hydrocarbon trap that includes a sheet paper element and a plurality of fingers. The paper element is at least partially formed of a material capable of adsorbing and desorbing gaseous...
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7531029 |
Coated screen adsorption unit for controlling evaporative hydrocarbon emissions
A hydrocarbon adsorption unit for recovery of volatile hydrocarbons which emanate from several sources and which would otherwise be released into the atmosphere through the air cleaner of an...
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7527678 |
***WITHDRAWN PATENT AS PER THE LATEST USPTO WITHDRAWN LIST***
Filter structure, filter panel comprising the filter structure and method for manufacturing the filter structure
A pleatable filter structure for use in a filter panel, containing ion exchange particles distributed within a fibrous framework is expanded to contain enough space to allow the ion exchange...
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7517381 |
Devices and methods for chemical reactive filtration
A gas contaminant is filtered using fibers having internal cavities containing a chemically reactive oxidizing agent, an acid or base, a coordinating agent, a complexing agent, or a deliquescing...
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7510596 |
Thermal processor with contaminant removal cartridge
A thermal processor includes an oven for thermally developing an imaging media which produces gaseous contaminants during development. The gaseous contaminants includes odorous portions and...
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7503960 |
Smoking articles and filters with carbon fiber composite molecular sieve sorbent
Filters and smoking articles include at least one carbon fiber composite molecular sieve sorbent capable of selectively removing one or more selected constituents from mainstream smoke. Methods for...
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7503954 |
Filter element
A filter element includes a filter web pleated in an essentially zigzag manner and made, in particular, of a nonwoven material, for insertion into a holder such as a filter frame and/or a filter...
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7501009 |
Combined cryogenic distillation and PSA for argon production
A method and apparatus for producing high purity argon by combined cryogenic distillation and adsorption technologies is disclosed. Crude argon from a distillation column or a so-called argon...
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7491265 |
Cover for animal waste collection area
A cover member adapted to confine gaseous emissions from animal waste in a waste collection area having a base for contacting and floating on at least a portion of a surface of the animal waste and...
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7488376 |
Vehicle canister
The vehicle canister comprising: the first chamber filled with the active carbon and funneled with the tank port, where the evaporating gas is infused through and the second chamber filled with the...
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7476268 |
Air filter
An air filter, particularly an air filter for an internal combustion engine, having a housing with an unfiltered air inlet and a filtered air outlet. A round filter element is sealingly disposed...
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7473306 |
Air cleaner
An air cleaner is provided with a housing, a filter element disposed inside the housing for filtrating air introduced into the housing, and an adsorption element disposed in the housing for...
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7459013 |
Chemical and particulate filters containing chemically modified carbon nanotube structures
A carbon nanotube filter, a use for a carbon nanotube filter and a method of forming a carbon nanotube filter. The method including (a) providing a carbon source and a carbon nanotube catalyst; (b)...
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7449046 |
Method and arrangement for purifying gases fed to a fuel cell by removing operational unfavorable constituents
A method and an arrangement are provided for purifying gases which are fed to a fuel cell for operation. A filter system, which is designed to separate out particulates and polluting gases, is...
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7442236 |
Xenon external recycling unit for recovery, purification and reuse of xenon in anaesthesia circuits
The present invention concerns the application of adsorption gas separation technologies to anaesthesia equipment and falls within the technical domains of adsorption separation units and medical...
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7442233 |
Integrated heavy hydrocarbon removal, amine treating and dehydration
The present invention is directed to an improved integrated process for the removal of heavy hydrocarbons, carbon dioxide, hydrogen sulfide, and water from a raw natural gas feed stream. More...
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7435289 |
Integrated air cleaner and vapor containment system
An air cleaner for an engine that includes a fuel tank and an air-fuel mixing device. The air cleaner includes a housing that defines an internal filter space and a canister at least partially...
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7431900 |
Hydrogen peroxide vapor system with replaceable desiccant cartridge
A hydrogen peroxide vapor generation unit ( 10 ) receives hydrogen peroxide and water solution at an interface ( 20 ) and interconnects with an air dryer ( 14 ) by way of nipples ( 72, 92 ). In one...
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7416580 |
Filter assemblies and systems for intake air for fuel cells
A filter assembly for removing particulate contaminants and chemical contaminants from an incoming dirty air stream for a fuel cell. The filter assembly also includes a noise suppression element...
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7407533 |
Active filter element for end face incident flow
A filter element formed from at least one flat layer of permeable filter medium alternating with at least one pleated layer in such a way that the resulting channels have an open, especially...
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7404836 |
Focused flow filter
A filter assembly for use in a disk drive assembly is disclosed. The filter assembly is configured to remove contaminants within the drive assembly and to prevent entry of contaminants into the...
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7377966 |
Adsorptive assembly and method of making the same
An adsorptive filter/member for adsorbing a gaseous adsorbate. The filter includes two layers of a flexible polymeric material to form an area therebetween. Fasteners are located at predetermined...
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7377959 |
Process and apparatus for decomposition treatment of volatile chlorinated organic compound
A large amount of a medium containing a volatile chlorinated organic compound (VOC) with a low concentration is passed through an adsorber filled with an adsorbent which adsorb and desorb the VOC...
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7371270 |
Odour absorbing filters
An odor adsorbing or deodorizing filter which comprises a matrix or substrate impregnated with a mixture of particulate chemically modified activated carbon and particulate activated carbon,...
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7368000 |
Treatment of effluent gases
A method is described for recovering a noble gas, such as xenon or krypton, from a first gas mixture comprising a plurality of components, one of which is the noble gas and the others are typically...
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7367997 |
Electronic enclosure filter for very small spaces
The present invention is directed to an improved electronic enclosure filter for very small spaces, such as small disk drives. The filter includes an exposed electrostatic layer that functions to...
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7364608 |
Chemical filter and method for manufacturing same
The chemical filter supporting an ion-exchange resin comprising a fiber supporting body containing ion-exchange fiber and ion-exchange resin powder which is supported on the fiber supporting body...
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7360530 |
Air cleaner
A housing 11 accommodates a pleated filter element 14 . A fuel adsorbent member 16 is arranged in the housing 11 at a position downstream from the filter element 14 . The fuel adsorbent...
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7354475 |
Adsorption filter material and its use
A gas and water vapor pervious adsorption filter material having a protective function against biological and chemical noxiants and poisons and a multilayered layer construction including a first...
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7353809 |
Evaporative emissions canister with integral liquid fuel trap
An evaporative emissions canister is used in an automotive evaporative emission system to separate liquid fuel entrained with fuel vapor and to control emission of fuel vapors to the atmosphere,...
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7344578 |
Breather valve device for the container for an electronic control unit
A breather valve device for a container for an electronic control unit, includes a support structure including, a substantially planar wall having first and second surfaces intended to face...
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7341618 |
Filters and methods of making and using the same
Filters for removing particulate and gaseous organic and inorganic materials from a fluid stream are disclosed. The filter may contain a polymer matrix and optional sequestering agents. Methods of...
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7323024 |
Vessel with filter and method of use
Chemical processing apparatuses which incorporate a process vessel, such as a crucible or retort, and which include a gas separation or filtration system. Various embodiments incorporate such...
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7320721 |
Chemical filter and fan filter unit having the same
In a fan filter unit for filtering and continuously supplying clean air into a clean room, the fan filter unit includes a chemical filter for removing chemical contaminants contained in the air, a...
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7311765 |
Energy and/or mass exchange apparatus having an integrated fluid separator
A liquid separator configured to separate liquid from a fluid stream. The separator includes a housing, a separation chamber disposed within the housing, a drain having a drain passageway for...
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7311764 |
Gas mask filter canister
A filter for a gas mask has an elliptical or circular, convex shape to conform to the curvature of the wearer's face, or a planar shape. The filter comprises a double particulate filter element and...
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