Matches 51 - 100 out of 168 < 1 2 3 4 >
Match Document Document Title
6454834 Regenerable air cleaning device  
A regenerable air cleaning device is disclosed which comprises a filter holder supporting a regenerable filter that includes activated carbon fibers (ACF) and a control system that is adapted to...
6444016 Hydrogen storage unit  
A hydrogen storage unit is provided with a hydrogen storage container containing a hydrogen absorption material, and a filter portion for eliminating impurities contained in stored hydrogen gas....
6444014 VPSA process using adsorbent materials  
The invention relates to the use of adsorbent materials that have been selected on the basis of their relationship between that material's intrinsic rate and equilibrium properties.
6409807 Linear gas valve cycle control, shut-off-valve and self test  
The present invention relates to detecting the state of a slide block positioned in a linear valve and using the position of the slide block to predict the health of a linear valve and provide...
6391098 Air braking system component  
An air dryer for a vehicle air braking system comprises a container having first, second and third compartments, the first compartment having an upstream inlet for connection to a source of air...
6383267 Exhaust gas cleaning system for an engine  
An exhaust gas cleaning system for an engine capable of judging the amount of trapped NO x and the oxygen storage capacity of an NO x trap agent and which can diagnose the deterioration of the NO...
6383256 Molecular sieve type gas separation apparatus  
A molecular sieve type gas separation apparatus ( 10 ) for separating product gas from a gas supply ( 14 ) includes at least one sieve bed ( 11-13 ) which during an adsorption charge phase of a...
6379435 Adsorbing device, method of deodorizing therewith, and method of supplying high concentration oxygen  
An adsorbing device comprising a main body having an intake port and an exhaust port and accommodating therein an adsorbing composition capable of adsorbing a gaseous specific substance;...
6368393 Fan filter unit for cleanroom  
A fan filter unit for use in cleanrooms is provided, which decreases efficiently the concentration of chemical substance existing in the atmosphere while the expansion of the air circulating space...
6364942 Dehumidifier using non-rotating desiccant material  
A dehumidification system for dehumidifying a conditioned space. The system is comprised of a motionless desiccant block for dehumidifying air within the conditioned space. The system is configured...
6355091 Ventilating dehumidifying system using a wheel for both heat recovery and dehumidification  
A ventilation and dehumidification system for ventilating fresh air to a conditioned space. The system is comprised of a unitary heat transfer desiccant wheel for dehumidifying incoming air by...
6277173 System and method for discharging gas  
A system for discharging gas emitted from an apparatus or facility having a vacuum pump which sucks the gas emitted from the apparatus or facility while being supplied with a gas other than the...
6277174 Low pressure ratio VPSA plant tuning and balancing system  
The invention maintains a nearly constant cycle pressure ratio along with a balancing of the adsorbent vessel effluents in a pressure swing adsorption process. The invention monitors cycle pressure...
6273936 Process and plant for producing a variable gas output  
In this process, the apparatus for separating the feed gas is connected to the delivery side of at least one variable-rotation-speed compressor, whose speed is controlled on the basis of the...
6251344 Air quality chamber: relative humidity and contamination controlled systems  
The present invention provides a means and a device to control relative humidity and airborne contaminants within a defined environment. The devices and methods of the present invention enable a...
6221130 Method of compressing and drying a gas and apparatus for use therein  
A method and apparatus for compressing and drying a gas, typically air, are provided in which a multistage compressor is employed to produce interstage and final stage compressed gas. Regenerative...
6217633 Method and apparatus for recovering rare gas  
A process and an apparatus for recovering a noble gas, which can recover a noble gas exhausted from a noble gas employing system efficiently and also can supply the noble gas of a predetermined...
6174351 Pressure management and vapor recovery system for filling stations  
A vapor recovery and pressure management system for a vehicle refueling facility includes two rotary vane pumps and a hydrocarbon-stripping membrane between the pumps. One pump draws vapor from a...
6168645 Safety system for gas purifier  
A gas purification system includes a gas purification unit and one or more safety devices. The gas purification unit includes an enclosure containing a purification material that exhibits an...
6080227 Gas treating apparatus  
A VOC concentrating apparatus includes a honeycomb rotor. In order to lower concentration at an exit of adsorption and at the same time to be able to regulate the amount of air flow introduced into...
6077330 Air drying device for a pneumatic system  
Device and method for the regeneration of a drying agent in compressed air system. The wetting degree of the drying agent is estimated and recorded by a control unit. The control unit ensures that...
5989313 Method for operation of an air prepurifier which takes into account inlet air conditions  
A pressure swing adsorber (PSA) air prepurifier includes at least a first adsorber and a second adsorber and a controller for controlling air feed to the first adsorber and the second adsorber. The...
5980615 Compact air dryer  
A compact desiccant-operated air dryer includes air directing housings, each housing including a separate desiccant bed. Each housing includes an associated desiccant bed to provide...
5980608 Throughflow gas storage and dispensing system  
An apparatus for storage and dispensing of a gas, comprising a gas storage and dispensing vessel holding a physical sorbent medium and gas adsorbed on the physical sorbent medium, wherein a carrier...
5964921 Method and device for removing harmful substances, in particular, dioxin  
A method for removing harmful substances, in particular dioxin, from flue gas generated in for example a waste incinerator, using an adsorption agent, characterized in that after said flue gas has...
5951741 Hydrocarbon vapor recovery processes and apparatus  
An improved process and apparatus are provided for recovering hydrocarbons from an intermittent or continuous inlet air-hydrocarbon vapor mixture. The air-hydrocarbon vapor mixture is caused to...
5938816 Process for purifying gases loaded in particular with chemical residues  
A process for the purification of gases loaded in particular with chemical residues, in particular of the exhaust air from printing equipment, in which process the gas to be purified is drawn off...
5917135 Gas concentration sensor and control for oxygen concentrator utilizing gas concentration sensor  
An acoustic oxygen sensor is provided which can be used in the output lines leading from the sieve beds. This sensor can be used in communication with a microprocessor to control the production and...
5906672 Closed-loop feedback control for oxygen concentrator  
An oxygen concentrator is provided which has a first molecular sieve bed connected to a four-way valve (i.e., a cross-over valve) which either joins the sieve bed to a pressurized air source...
5888271 Ozone storing method and ozone storage system  
An ozone storage system which allows energy required for producing and storing ozone to be reduced and which supplies ozone as stored to an ozone consumer stably in continuation. The system...
5882384 Gas source and dispensing system with in situ monitoring of pressure and temperature  
A fluid storage and dispensing system including a fluid storage and dispensing vessel containing a physical adsorbent material having sorptive affinity for the fluid to be stored in the vessel and...
5876488 Regenerable solid amine sorbent  
The invention provides a regenerable supported amine sorbent having an amine concentration of from about 35 wt. % to about 75 wt. %. The balance of the sorbent is a porous support which provides...
5861053 Solid material collector with detector  
An environmental air is sucked by the pump with control unit, and organic solvent contained in the environmental air is collected by the absorbent. Organic solvent having passed through the...
5858063 Oxygen concentrator with beds' duty cycle control and self-test  
A method of controlling an oxygen concentrator having a first sieve bed operated over successive control periods according to a duty cycle for alternately pressurizing and flushing the first sieve...
5858062 Oxygen concentrator  
An apparatus for providing oxygen-enriched air at a first pressure and at a second pressure, the second pressure being greater than the first pressure. The apparatus comprises, in combination, a...
5853457 Filter material and process for removing ozone from gases and liquids  
The invention relates to a filter material and to a process for removing ozone from gases and liquids, in which a gas stream or a liquid is brought into contact with a filter material made of an...
5853455 Vapor recovery system with continuous inlet monitoring  
A method is provided for efficiently controlling the operation of a vapor recovery system including a first reaction vessel and first bed of adsorbent, a second reaction vessel and second bed of...
5807422 Divided radial and spherical desiccant bed adsorption units  
A pre-compression dehydration system optimizes the gas flow parameters which are essential to the performance of a radial or spherical desiccant dryer. When used in conjunction with a low pressure...
5785738 Process and plant for treatment of a gas mixture including ozone  
A process for treatment of a secondary gas including ozone, comprising the steps of: a) adding an adjacent gas including CO 2 to the secondary gas to form a mixture of secondary gas and adjacent...
5766310 Single stage secondary high purity oxygen concentrator  
A single stage secondary oxygen concentrator for receiving a gas mixture from a first stage oxygen concentrator and a method of use therefor is disclosed. The concentrator includes a first carbon...
5755854 Tank ullage pressure control  
The invention relates to an apparatus and method for controlling the pressure in a fuel tank ullage. The apparatus includes a vapor pump which withdraws vapors from the tank ullage responsive to a...
5746806 Apparatus and method for controlling output of an oxygen concentrator  
An apparatus and method for controlling the output of an oxygen concentrator wherein an oxygen concentrator indicator is comprised of an oxygen sensor monitor and circuit board which receives a gas...
5707430 System for measuring adsorbing ability of canister  
The concentration of a hydrocarbon gas in a gas discharged from a drain port is detected by a break-through gas concentration sensor provided in a discharge pipe connected to the drain port. The...
5632802 Apparatus and method of regenerating adsorbers for drying air  
An improved method and apparatus for removing moisture from compressed air through a pre-compression adsorptive desiccant bed, heat reactivated and regenerative air drying and filtration system....
5547491 Procedure for the selective recovery of solvents from solvent gas mixtures and device for the realization of the procedure  
A process and apparatus for the selective recovery of solvents from solvent gas mixtures according to which the solvent gas mixture undergoes a sorption process, individual solvent gas fractions...
5496388 System for compressing air and extracting nitrogen from compressed air  
A system for extracting nitrogen from air to produce a flow of nitrogen includes a compressor for compressing air and an air separator connected to the compressor for producing nitrogen from the...
5486226 Separation of gaseous mixtures  
A nitrogen PSA system uses a back-fill step only on start-up conditions or when a minor fault has caused the plant to temporarily lose purity. The plant utilizes an oxygen analyzer which controls...
5443623 Sorbing apparatus with guard bed  
The disclosure describes a sorbing apparatus for removing one or more undesirable components from an influent gas. The sorbing apparatus comprises at least one chamber having first and second ports...
5405431 Automatic adsorption tower switching system  
In a continuous adsorption process using dual towers for separation of a multi-component feed with one tower active and the other on regeneration, automatic switching of the tower feed based on...
5391358 Gas purification system  
Processes and systems for purifying high purity helium group gas which may have been contaminated with water, oxygen and/or hydrogen during its transmission to customers' sites.
Matches 51 - 100 out of 168 < 1 2 3 4 >