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5681369 |
Apparatus and method for recovering volatile liquid
An apparatus is provided for recovering volatile liquid vapor from an air-volatile liquid vapor mixture. The apparatus includes first and second reaction vessels. Each of these reaction vessel...
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5651810 |
Apparatus and method for filtering and sampling airborne respiratory contaminants
A combination respiratory filter and sampling device has been developed which collects airborne contaminants for respiratory exposure measurements. The devices, which fit existing commercial...
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5635394 |
Arrangement for air purification
An arrangement for conducting air filtration by biofilter operation is provided. The arrangement generally includes at least one bioreactor bed, through which air to be purified is passed....
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5632807 |
Device for the separation of elements of a gas mixture by adsorption
A device for separating at least one component from a gas mixture, comprising at least a pair of adsorber units, each adsorber unit comprising an envelope defining an inner volume having a lower...
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5616169 |
Seal-free and frame-free odor and/or pollutant filter
A seal-free and frame-free odor and/or pollutant filter, e.g., in air conditioners and motor vehicles, having a self-supporting and elastic adsorption filter bed installed under slight compression...
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5599713 |
Apparatus for purifying contaminated air
Contaminated air, e.g., air contaminated by exhaust gases from automobiles and factories, is purified by passing the contaminated air through a soil layer populated with microorganisms. The...
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5538543 |
Fuel vapor capturing canister having increased distance of flow of fuel vapor passing through adsorbent layer
A fuel vapor capturing canister includes a casing formed into the shape of a cylinder and accommodating an adsorbent material and a plurality of partition plates each formed of an impermeable...
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5503660 |
Process and apparatus for separating slag droplets from a hot raw gas produced by the combustion or gasification of solid or liquid fuels
The hot raw gas, which contains slag droplets is conducted downwardly in an entrance chamber of a slag separator through a first bed of packings into a flow-deflecting space, in which the raw gas...
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5501723 |
Activated carbon filter for venting a fuel tank
An activated carbon filter is provided for venting a fuel tank. The activated carbon filter consists of a housing which accommodates activated carbon packets. Via lines, the housing is connected,...
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5417729 |
Portable modular air cleaning system
A modular air cleaning system having at least one filter module having a closed plenum box provided with male and female air flow porting structure, one of which porting structure provides an air...
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5393329 |
Fuel-sorbing device using layered porous silica
A fuel-sorbing device excellent in sorbing evaporated fuel includes a sorbent of layered porous silica for capturing evaporated fuel and a container which houses the sorbent and into which the...
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5370721 |
Ceiling fan filter
A ceiling fan filter for filtering the air in a room having a ceiling fan is made from at least one layer of resilient polymeric fiber filter material. Each layer has a length, a width, an upper...
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5290344 |
Waste filter refreshing apparatus for dry cleaning machine
A clarifying apparatus for waste and dirty filters of a cartridge type is used in the dry cleaning machine. The filters become dirty after they are used for a long time necessitating replacement....
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5256377 |
Ozone decomposing material and ozone decomposing apparatus using the ozone decomposing material
An ozone decomposing material comprises an ozone decomposing agent and a support material for supporting thereon the ozone decomposing agent by adsorption, and an ozone decomposing apparatus...
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5238658 |
Exhaust gas treatment apparatus
An exhaust gas treatment apparatus, which comprises first and second gas adsorbing columns each having inlet and outlet pipes; and switch-over pipes connecting the first and second gas adsorbing...
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5232479 |
Adsorber comprising annular superposed beds of adsorbent materials
The adsorber of the type comprising annular superposed beds, contains in its upper zone, a device to maintain and compress the upper bed, a flexible impervious membrane which separates the lower...
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5207808 |
Canister for adsorbing evaporated fuel
A canister for adsorption of evaporated fuel in an automobile. The canister operates to decrease leakage of the evaporated fuel when the atmosphere temperature rises or the canister is left as it...
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5174798 |
Multiple filter cartridge position limiting device
A filter device includes a first purifier chamber having a first recess. A first filter cartridge is capable of being disposed within the first recess. A second purifier chamber, including a second...
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5169419 |
Gas adsorber for exhaust gas
A gas adsorber which is capable of reliably removing harmful gases discharged from processes in the semiconductor industry, the ceramic industry, etc. The gas adsorber has an integral structure...
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5169607 |
Moving-bed reactor, in particular for the treatment of flue gases
A moving bed reactor for the treatment of fluid in a countercurrent process includes a reactor vessel having, in an upper region thereof, an inlet for receiving particulate material and an outlet...
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5151116 |
Sorption column for waste-gas cleaning
A sorption column for waste-gas cleaning having at least one vat containing a solid stationary sorbent and connected with a lower gas connecting piece and an upper gas connecting piece. The lower...
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5148793 |
Compartmental evaporative canister and pressure control valve assembly
A fuel vapor storage canister to prevent breakthrough evaporative emission loss and facilitate purging by concentrating the fuel vapor close to the vent to the engine. The canister is divided into...
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5133786 |
Method and apparatus for minimizing odor during hot oil food cooking
A method and apparatus for cooking foods such as donuts and pastries in hot oil with new steps and structure being provided to minimize airborne cooking oil and aeromatic odors. The method includes...
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5047072 |
Ultraviolet air enhancement and laser plume evacuation method and system
In a single portable housing a system for evacuating a laser plume from a surgical site. The system extracts the laser plume from the surgery site through a primary inlet tube supported on an...
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5041147 |
Hydrogen isotope separation utilizing bulk getters
Tritium and deuterium are separated from a gaseous mixture thereof, derived from a nuclear fusion reactor or some other source, by providing a casing with a bulk getter therein for absorbing the...
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5004487 |
Filter assembly for protecting motor vehicle occupants from pollution
This invention is a filter assembly to be installed in passenger motor vehicles for the protection of the occupants from pollution originating from either exterior the vehicle and/or interior the...
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4961763 |
Indoor air purifier
An indoor air purifier has a container with a layer of soil supported above a lower air plenum. Room air is drawn downwardly through the layer of soil and discharged from the plenum back into the...
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4909815 |
Mobile air cleaning apparatus
Mobile air cleaning apparatus comprising a base, a cabinet which is mounted on and extends upwardly from one end of the base, and a hood which is supported by the upper end of the cabinet and...
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4892710 |
Cartridge assembly with multi-purpose closure tubing
A cartridge assembly useful as a sampling or test device includes a cartridge and a closure tubing adapted to close either or both ends of the cartridge and to serve as a conduit for liquids eluted...
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4859220 |
Cabinet controller
An air flow controller is associated with a cabinet which contains apparatus and components for performing operations or conducting processes. Associated with the cabinet is a housing within which...
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4826513 |
Laser smoke particulate/odor filter system
There is herein described an improved laser smoke particulate/odor filter including an upstream gross particulate portion that both filters and disperses the smoke, a single charcoal odor...
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4770678 |
Contaminant removal from fluids
Apparatus to remove moisture from a natural gas stream includes: (a) a conduit for a stream of fluid, the stream containing impurities, such as H 2 O and H 2 S, (b) and a filter assembly in...
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4741697 |
Chairside filter/dryer for dental air syringe
The cartridge has a transparent housing with nipples at opposite ends thereof releasably insertable in the flexible tube which supplies compressed air from a primary filtering mechanism to a dental...
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4737173 |
Room air treatment system
A room air treatment system in which air is drawn through a large particle prefilter, a first carbon filter, a second dual honeycomb matrix carbon filter in which the honeycomb cells in adjacent...
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4725290 |
Method for the purification of air or gas streams by a multi-path adsorption principle and moving-bed filtering apparatus for performing the method
For the purification of air or gas streams the air or gas is conducted across a multi-zone adsorption apparatus through which a particulate filter material is moved downwardly by gravity. The gas...
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4698072 |
Adsorber bed apparatus
A space and energy saving adsorber unit comprising two adsorber beds arranged in a common housing. The upper adsorber bed, disposed essentially vertically, is contained by gas permeable vertical...
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4684380 |
Colorimetric indicator for the indication of the exhaustion of gas filters
Gas filters protect the user of respirator equipment against the inspiration of harmful gases. The protection decreases with the use of the filter. To alert the user in time to the imminent...
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4581047 |
Compressed air drier
A drying tower for a compressed air drier includes a base (5) and a reservoir (4) containing a cartridge (8) filled with filter material (12) and desiccant (11). In order to obtain an optimal...
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4518400 |
Steam-sieve method and apparatus
Steam is compressed and heated to make a churn gas that is rife in synthetic fuel, and hydrogen and oxygen are sifted from the churn gas before the steam is re-cycled.
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4396206 |
Vehicle leveling system
A vehicle leveling system including a compressor, a leveler unit for lifting a vehicle body by compressed air from the compressor and an air dryer provided between filter casing filled with a...
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4385911 |
Air filtering device
A compact air filtering device for filtering room air in the home or work environment constructed of a minimum number of unitary structural elements is disclosed, the device having a fan for...
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4382440 |
Smoke and pollutant filtering device
A smoke and pollutant filtering device comprising a mask having a filter composed of a series of contiguous, serial layers of filtering material. The filter consists of front and rear gas permeable...
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4378292 |
Fixed bed multiple zone fluid-solids contacting apparatus
A fluid-solids contacting apparatus which is useful in simultaneously contacting several different liquid streams with different parts of a fixed bed of solid material is disclosed. The apparatus...
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4306894 |
Canister for fuel evaporative emission control systems
A canister for a fuel evaporative emission control system of an engine; A mass of adsorbent contained in a canister casing is divided into at least two layers by a pair of spaced filter plates, so...
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4224147 |
Filter apparatus for removing contaminants from a fluid stream having improved withdrawal means for spent adsorbent
An improved withdrawal means for removing spent adsorbent from the adsorber beds of a filter apparatus is disclosed comprising a fixed tube and a rotatable tube positioned concentrically and having...
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4207082 |
Apparatus for the continuous purification of exhaust gas containing solvent vapors
An apparatus for purifying an exhaust gas containing solvent vapours by bringing the exhaust gas and adsorbent particles into continuous mutual contact to adsorb the solvent vapours onto the...
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4197098 |
Filter bypass measurement section
A damping tube-shaped bypass measurement section with protective maintenance features and continuous flow velocity scanning on absorptive filtration units in the nuclear engineering field is...
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4155849 |
Adsorber-regenerator
An adsorption-regeneration column section is provided for treating a fluid effluent. A column section has means, which do not contact the adsorbent, for feeding an effluent into the column section...
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4149862 |
High temperature gas filtering device
An internal combustion engine exhaust gas filtering device in which an elongated high temperature resistant filter cartridge, gas permeable from end to end and radially, is received within a sheet...
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4148618 |
Ashtray
An ashtray having a top upon which lit cigarettes or the like may be rested and having a plurality of holes therethrough through which smoke from the cigarette may be drawn downwardly through...
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