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7604004 |
Personal oxygen concentrator
An oxygen separator for separating oxygen from ambient air utilizing a vacuum swing adsorption process has a mass of less than 2.3 kg. A carrier is mountable on a person to support the oxygen...
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7597745 |
Filter materials for adsorbing hydrocarbons
A porous filter medium forms a filter or liner for extracting hydrocarbons from vapors emitted from a motorized vehicle, device or appliance fuel tank. The filter medium is a polymer network of a...
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7588686 |
Dual porosity filter
Disclosed is a method and a filter unit for depleting or enriching a liquid or gas with substance(s) comprising i) providing a filter unit comprising at least one convective layer and at least one...
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7578938 |
Filtering medium and use of the said filtering medium for pollution removal from lagoons
Filtering medium based on activated carbon which is characterized in that it comprises three superposed layers, respectively an inner layer and two outer layers, the inner layer consisting of 80 to...
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7569096 |
Configuration and process for carbonyl removal
A plant ( 100 ) includes a gas turbine ( 110 ) that receives a feed gas ( 130 ), wherein a metal plates from a metal carbonyl contained in the feed gas onto a sacrificial metal ( 152 A) in an...
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7507273 |
Chromatographic rectification of ethanol
A scalable technology for purifying ethanol, wherein the vaporization of ethanol is coupled with a chromatographic rectification process comprising feeding a vaporized ethanol/water mix onto a...
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7479176 |
Sequential adsorption desiccant dryer system
A method and an apparatus for controlling airflow in a desiccant drying system having a plurality of desiccant beds, in which each desiccant bed is located in a chamber, and multi-position valves...
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7393381 |
Removing siloxanes from a gas stream using a mineral based adsorption media
A plurality of different layers of filter media are used to remove siloxanes from a gas stream. Based on an analysis of the specific gas stream to be filtered, a filter media having an average pore...
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7364603 |
Method and apparatus for the abatement of toxic gas components from a semiconductor manufacturing process effluent stream
An apparatus and process for abating at least one acid or hydride gas component or by-product thereof, from an effluent stream deriving from a semiconductor manufacturing process, comprising, a...
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7316736 |
Carbon filter panel for an air cleaner
A carbon filter panel for an air cleaner is provided according to an embodiment of the invention. The carbon filter panel includes a frame including one or more side members and a frame interior...
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7294179 |
Canister of vehicle
Two types of activated charcoals having different adsorption and desorption functions are appropriately disposed in a canister. Gas movement is evenly dispersed via an air space and diffuser...
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7281525 |
Filter canister family
A family of canisters that includes at least two canisters that are adapted to filter a flow of fluid from a fuel tank. Each canister includes a first portion that defines a first perimeter and a...
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7264651 |
Adsorption process and system using multilayer adsorbent beds containing regenerator section
For PSA or TSA prepurifiers, the temperature rise on adsorption is particularly troublesome when the temperature rise reaches the end of the bed at the end of the adsorption step. This results in...
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7264648 |
Removing siloxanes from a gas using a segmented filtration system customized to the gas composition
A plurality of different layers of filter media are used to remove siloxanes from a gas stream. Based on an analysis of the specific gas stream to be filtered, a filter media having an average pore...
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7217313 |
Dehumidification system and dehumidification method
A dehumidifying system supplies a gas free of organic substances. The dehumidifying system includes a holding case, and a rotor rotatably held in the holding case and bearing an adsorbent. The...
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7214258 |
Evaporated fuel processing device
An evaporated fuel processing device ( 10 ), in particular for an internal combustion engine of an automotive vehicle, comprises a tank port ( 12 ) and an atmospheric port ( 22 ); a first adsorbent...
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7166149 |
Adsorption process for continuous purification of high value gas feeds
Using a high pressure rotary adsorbent wheel, a high value compressed gas feed can be purified by concentrating the impurity such as water, condensing it out, before final purification. Instead of...
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7163573 |
Chemical filter medium, chemical filter including the chemical filter medium and method for manufacturing the chemical filter
A chemical filter medium for removing ozone and nitrogen oxide includes a first ozone absorption layer for mainly removing ozone having a filtering base material for removing ozone, a first...
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7150778 |
Recirculation jacket filter system
The present invention is a system and method for improving the useful life of sorbent beds, such as activated carbon filter beds. It is known that breakthrough in carbon filter beds first occurs at...
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7122073 |
Low void adsorption systems and uses thereof
A low void pressure swing adsorption system wherein flow movement and pressure pulse are influenced from the same source comprised of at least one hermetically sealed vessel containing an adsorbent...
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7115152 |
Four bed regenerable filter system
A regenerable filter system includes a flow path along which a stream of fluid flows between an inlet and an outlet. A first filtering unit is located in the flow path. The first filter unit...
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7008471 |
Filter and canister having the same
A canister is connected to a fuel tank to adsorb fuel vapor vaporized in the fuel tank and includes a canister housing and a canister main body, which is received in the canister housing and...
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6814786 |
Filters including segmented monolithic sorbent for gas-phase filtration
A filter includes at least two monolithic sorbent segments and a mixing segment between the two monolithic sorbent segments. The monolithic sorbent segments comprise porous sorbent materials that...
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6770120 |
Radial adsorption gas separation apparatus and method of use
An apparatus includes a vessel and a radial adsorption bed within the vessel and either an axial adsorption bed for a storage tank within the inner diameter of the radial adsorption bed. In one...
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6706097 |
Molecular separator apparatus
A molecular sieve apparatus and magnetic/adsorbent material composition facilitate molecular adsorption and separation using a magnetic field to hold, move, cool, and/or heat an adsorbent 1 that...
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6652629 |
Filter apparatus
Described is a filter apparatus ( 10 ) having an activated carbon molded body ( 12 ) with a honeycomb structure. The filter apparatus ( 10 ) has connection elements ( 16, 18 ) at the feed flow end...
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6592652 |
Exhaust gas treating device and method
A device is disclosed for treating an exhaust gas emanating from a vehicle engine or a plant's chimney. This device has a housing having a treatment chamber defined therein, an inlet port for...
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6572687 |
Gas dryer
A gas dryer particularly useful for natural gas transmission lines has a sump vessel including a splash plate for intercepting incoming gas, a lower region for collecting water removed from the...
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6558457 |
Drying agent box
A drying agent box 10 which serves to remove moisture from air, especially for a compressed-air brake apparatus, and which comprises a housing 11 with at least one inlet 14 and at least one...
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6551380 |
Recovery of CO2 and H2 from PSA offgas in an H2 plant
A gas separation apparatus and process has a first pressure swing adsorption (PSA) unit ( 110 ) receiving feed gas ( 112 ), which comprises a first and a second component. First PSA unit ( 110 )...
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6524374 |
Canister
In order to aim at shortening the time of refueling by maintaining the function of prevention of discharge of vapor, similar to that of a conventional canister in the case of other than refueling...
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6517613 |
Tank for containing granular absorbers for cleaning gases
A tank for containing granular adsorbers for cleaning gases, wherein the tank has a gas inlet, a gas distributing chamber, at least one adsorption chamber defined by vertical, gas-permeable walls...
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6488748 |
Canister structure for internal combustion engine
The present invention is accomplished by a canister structure for an internal combustion engine that includes a container having a gas passage therein through which gas containing evaporative fuel...
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6395068 |
Bulk tank depressurization filter apparatus and method of using it
A bulk tank depressurization filter apparatus is disclosed which comprises a filter cartridge having an inlet and an outlet, a gas passageway therebetween, at least one gas-capturing filter through...
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6309450 |
Flow-through adsorbent unit assembly for receiver dryer
An adsorbent unit assembly including a holder, an elongated member on the holder, an enlarged portion at the end of the elongated member, a cylindrical adsorbent unit having an opening therein for...
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6280508 |
PSA systems
A multi-bed PSA pressure vessel includes a hollow tubular body having one or more end plates releasably secured thereto. Secured to the end plate(s) are pipes which extend along the interior of the...
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6276408 |
Installation for the treatment of at least one fluid, uses in the treatment of an air flow and process for loading a mass of particulate material of such an installation
An installation for the treatment of fluid having a receptacle (1) defining a non-vertical portion of a path for fluid through at least two adjacent masses (A; B; C) of particulate materials,...
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6273935 |
Apparatus and method for trapping a toxic gas
An apparatus and a method for trapping a toxic gas contained in an exhaust gas from a process chamber are disclosed. In the apparatus, two toxic gas traps are provided which are connected in series...
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6165252 |
Adsorption process and apparatus
The adsorption of at least one component of a gas mixture is improved by passing the gas through an adsorption zone wherein the adsorbent is distributed in rectilinear channels that stepwise both...
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6146435 |
Biofilter
In a biofilter, in particular for installation in discharge systems, with a collecting funnel and with an adjoining filter housing (13), the collecting funnel is to have a mounting ring (1), into...
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6086659 |
Radial flow adsorption vessel
A radial flow adsorption vessel is disclosed together with a method for assembling such a vessel and a method for manufacturing containment screens having bidirectional flexibility for use in such...
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6059859 |
Method, composition and apparatus for water removal from non-corrosive gas streams
A process, composition and apparatus for the removal of water from moist non-corrosive gases (such as those containing oxygen or CO 2 ) down to ≤10-20 ppb water concentration are described. The...
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6019816 |
Systems and methods for removing residue from process gases exhausted from microelectronic device fabrication processes
Process gases from microelectronic device fabrication processes are pumped through a filter unit including a plurality of absorbers for absorbing water entrained within the process gases. Residues...
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6010558 |
Grease containment system and method for absorbing grease
A rooftop grease containment system for absorbing the high viscosity grease carried by the gaseous effluent generated by cooking food and released through a rooftop exhaust vent, comprising 4-8 mm...
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5972081 |
Negligible pressure drop absorber
Negligible pressure drop absorber has a hollow housing having an entrance opening and an exit opening, and an absorber unit including a plurality of layers of an absorbent material arranged...
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5914457 |
Activated charcoal canister
An antidiffusion layer is provided between a first fuel adsorption layer communicated with a fuel tank and a second fuel adsorption layer communicated with air. Since adsorbing ability of the...
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5865998 |
Receiver-dryer assembly and desiccant bag therefor
A receiver-dryer for use in an air conditioning system utilizes desiccant bags that can be mounted within the receiver-dryer body without using mounting plates or baffles. The receiver-dryer...
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5851268 |
Canister
According to the present invention, there is provided a canister comprising: a casing having an interior therein and a separator for separating the interior into first and second interior sections,...
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5743943 |
Evaporated fuel adsorbing canister preventing diffusion of fuel therethrough
A canister which can control the diffusion of evaporated fuel to surely prevent the evaporated fuel from blowing through into the atmosphere has a main chamber having therein a first adsorbent...
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5738713 |
Apparatus for biological control of noxious gas from swine waste
This invention concerns the application of a biological air filter to neutralize noxious gases produced and emanating from swine production facilities. The treatment is accomplished by passing air...
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