Matches 101 - 150 out of 168 < 1 2 3 4 >
Match Document Document Title
5389125 Automated system for recovery of VOC's from process air  
A system and method for removing volatile organic compounds (VOC's) from a circulating airstream utilizes first and second adsorption beds and first and second adsorption paths alternately coupling...
RE34434 Oxygen enriched air system  
Enriched oxygen from a pressure swing adsorption system and air are blended to provide oxygen enriched air of desired purity, particularly for use at flow rates between those for which liquid...
5230720 Air purifying side table  
An air purifying apparatus presenting the appearance of a side table is constructed from a side table housing having a hollow interior compartment, an inlet port and an exhaust port. A filtration...
5207806 Dual product pressure swing adsorption and membrane operations  
The waste gas of PSA-air separation operations is passed to a membrane system for enhanced recovery of a second product. By capturing the portion found to contain a high concentration of either...
5163978 Dual product pressure swing adsorption process and system  
By capturing the portion found to contain a high concentration of either oxygen or nitrogen in the non-primary waste stream from a PSA-air separation operation, a high purity second product stream...
5109713 Method and apparatus for treating and storing sulfur containing gas so as to prohibit the degradation of same  
A method and apparatus for treating gas samples containing sulfur comprises dehydrating the gas sample so as to obtain a dried gas sample having a water content of less than 100 ppm and thereafter...
5104426 Method of and apparatus for separating gas mixture  
A gas mixture separating apparatus comprises an adsorption column packed with an adsorbent; a gas mixture column-end feeding device for feeding a gas mixture to one of two ends of the adsorption...
5071453 Oxygen concentrator with pressure booster and oxygen concentration monitoring  
In an oxygen concentrator which is intended for aircraft use, a booster compressor is used to increase the pressure of the product gas from the concentrator in order to increase the amount of the...
5053064 Air conditioning apparatus for a clean room  
An air conditioning apparatus for a clean room has a filter for removing harmful chemicals provided in the return opening of an air-conditioner. In normal operation where there is no chemical...
5004485 Molecular sieve-type gas separation systems  
An aircraft on-board oxygen generation system having a controller 14 for cycling sieve beds of amolecular sieve-type gas separation system 10, provides product gas having a partial pressure of...
4995890 Storage terminal vapor emission control system  
Vapor emission control system 10 for a bulk liquid chemical tank storage complex, the system includes activated carbon absorption plant 29 having a pair of absorber vessels 35 to which the vapors...
4986836 Filter system to remove environmentally harmful products  
A system for the adsorption of volatile organic compounds from a contaminated gas stream. The system includes a filter for the removal of particulates from the stream, and a blower which draws the...
4971610 Dewpoint demand control system for regenerative dryer  
A dewpoint demand control apparatus comprises a probe interpoed in a dry air outlet of a regenerative dryer and responsive to the moisture content of the air at the dry air outlet for producing a...
4966611 Removal and destruction of volatile organic compounds from gas streams  
An apparatus and process for adsorbing volatile organic compounds, or VOCs, and efficiently regenerating adsorbent material in an emission control system. Flue gas, emitted from a combustion unit...
4926618 Industrial dehumidifier  
A dehumidification system includes a rotating bed containing a mass of thermally regenerable desiccant divided into a process sector and a regeneration sector. Process air flows through the process...
4863492 Integrated membrane/PSA process and system  
A gas separation process and system for integrating a gas permeable membrane system with a multiple bed pressure swing adsorption system to produce a mixed gas product having a preset adjustably...
4857086 Gas separator system  
A pressure swing adsorption type gas separator system comprises an adsorption column filled with an activated carbon adsorbent and supplied with a compressed air for producing a nitrogen product...
4829968 Mobile fuel tank vapor emission control system and method  
A method and on board apparatus to recycle gasoline vapor emissions from the head space of a motor vehicle gasoline tank during refueling and operation of the vehicle. The apparatus comprises a...
4822384 Oxygen enriching apparatus with means for regulating oxygen concentration of oxygen enriched gas  
An apparatus for producing an oxygen enriched gas having a compressor for supplying air under pressure, a unit for producing a gas enriched with oxygen from the air supplied from the compressor, a...
4786294 Integrated gas purification and thermal conditioning system utilizing molecular sieve adsorption  
An integrated system for removal of CO 2 from and thermal conditioning of a gas mixture is disclosed. A pair of regenerating chemically impregnated molecular sieve absorption beds are used for...
4783205 Aircraft on-board gas generating apparatus  
Apparatus for generating oxygen enriched air from a flow of ram air supplied to a hydraulically driven air compressor 10 by way of an inlet 11. After pressure intensification the air is delivered...
4733605 Process and device for purifying polluted air  
A chemisorption filter is provided for receiving contaminated air to be filtered and partially heating the air while filtering same, with a further heater downstream of the chemisorption filter for...
4693730 Pressure swing adsorption product purity control method and apparatus  
The present invention provides a method and apparatus for automatically controlling product purity in a pressure swing adsorption process without risking unacceptable impurity breakthrough as the...
4687013 Flueric partial pressure sensor  
A flueric partial pressure sensor (10) includes a flueric bridge sensor (10a) having two bridge legs (11, 12) adapted for sensing a reference-gas and a sample-gas. A linear resistor (14, 15) and an...
4658707 Automatic air purifier for vehicles  
An air purifier of automatic type is provided within a housing which can be positioned within various places in a confined space, such as most preferrably a vehicle interior, in which smoke may be...
4627860 Oxygen concentrator and test apparatus  
An improved oxygen concentrator assembly includes a microprocessor and cooperating means for monitoring or sensing functions and performance of various components of the concentrator. A test...
4605425 Heaterless dryer having variable cycle  
A method and apparatus for fractionating a mixture of gasses, by using a bed of sorbent which is conditionally depressurized and purged after adsorption intervals of a predetermined time duration,...
4581988 Protective device for work in polluted environment  
A device for protecting the operator of mobile plant working in a polluted environment comprises an air treatment unit adapted to be fitted to or incorporated into a roof of a cab accommodating the...
4559065 Twin tower gas fractionation apparatus  
An apparatus for adsorptive fractionation of a gaseous mixture. The apparatus is a twin tower fractionator or dryer including a pair of sorbent beds. A filter and valve assembly directs a flow of...
4552570 Adsorbent fractionator with automatic cycle control and process  
A method and apparatus are provided for adsorbing water vapor from a mixture thereof with a second gas to reduce the water vapor concentration in the mixture to below a permissible maximum...
4516424 Oxygen concentrator monitor and regulation assembly  
An improved oxygen concentrator includes an oxygen sensor, valve and timer for periodically directing a breathable gaseous mixture having increased oxygen concentration to the sensor. A preferred...
4513579 Method and arrangement for maintaining a frost-free freezer  
In a freezer with a chamber, in which refrigerated surfaces tend to collect frost, with a moisture absorbing regenerable filter in order to lower the relative humidity of the freezing chamber air...
4504286 Automatic drying tower switching system  
In a process in which parallel dehydrating towers are utilized to remove water from a wet gas, the amount of water provided to a desicant bed contained in a drying tower during a drying cycle is...
4472177 Control system and method for air fractionation by vacuum swing adsorption  
A system and method of controlling a vacuum swing adsorption process. During an adsorption step, the percent composition of the gas being processed is sensed as it is introduced into at least one...
4433985 Air scrubbing and purifying system  
An air scrubbing and purifying system is provided for effecting removal of combustion products from contaminated air generated by a fire in progress in an enclosed room. The system comprises (a)...
4414003 Process and apparatus for the recovery of solvents  
A process and an apparatus for the recovery of solvents adsorbed from exhaust air containing solvent vapors by an adsorbent is disclosed. A stream of hot inert gas is made to pass preferably, in an...
4318383 Vapor fuel purge system for an automotive vehicle  
A vapor fuel purge system for an automotive vehicle, comprises a fuel source, a cannister containing material for absorbing fuel vapors evaporated from said fuel source, a purge control valve for...
4285702 Method and apparatus for the recovery of water from atmospheric air  
A method of recovering water from atmospheric air wherein during an adsorption phase, cool, humid air is transported through a water-adsorbent material for adsorption of water vapor therefrom and...
4281465 Method and apparatus for the recovering of solvents in dry cleaning units  
In a process for recovering solvents from the circulating air and exhaust air of a drycleaning machine by drying the circulating air and by fresh air drying with condensation and adsorption, the...
4247311 Downflow or upflow adsorbent fractionator flow control system  
Apparatus particularly applicable to the drying of gases is provided for downflow or upflow adsorption of one or more first gases from a mixture thereof with a second gas to reduce the...
4212655 Arrangement for ammonia feed in copying equipment  
This invention relates to an improvement in an arrangement for ammonia feed in copying equipment with several switchable adsorption vessels, for instance four or five vessels, containing an...
4153434 Emergency standby air drying back-up system  
In some critical use, air-drying systems, 100% back-up capability is desired. The problem has been that an idle standby unit requires considerable time to reach full capability for dry air...
RE29941 Method and apparatus for separating gases  
A method and apparatus for the separation of gases by preferential adsorption of at least one of the gases in which at least three adsorption zones are used, at least two of which are arranged in...
4127395 Adsorbent fractionator with fail-safe automatic cycle control and process  
An improved method and apparatus are provided for adsorbing water vapor from a mixture thereof with a second gas to reduce the water vapor concentration in the mixture to below a permissible...
4056369 Method of and apparatus for the recovery of a desired material from a carrier stream  
A process and apparatus for recovering gasoline or other solvents from solvent laden air is disclosed. The solvent laden air is contacted at ambient pressure and temperature in a vessel with a...
4047904 Control systems for adsorber units  
A control system for use with an adsorber unit, of particular use in controlling multi-unit adsorber systems, comprises means for detecting in exhaust from the adsorber, gas or vapour to be...
4025324 Hydrocarbon vapor control unit and system  
A hydrocarbon vapor control system for preventing escape to the atmosphere, and for disposing of such vapors by clean burning. It includes a pair of adsorption beds and means for alternatively...
4018579 Apparatus for producing dry compressed air  
Apparatus for producing dry compressed air comprises a compressor, a separator to remove condensates, an adsorption filter to filter and dry the air and a storage tank. A valve for controlling...
3950155 Automatic air-purifying system  
The system includes an electrically operated air-purifying unit for purifying the air in an at least substantially enclosed space. A sensor unit located in the enclosed space is operative for...
3897226 Controlling the concentration of impurities in a gas stream  
FLUCTUATING CONCENTRATIONS OF IMPURITY in a gas stream such as a regenerating stream recovered from an adsorber unit, are smoothed by diverting at least a portion of the gas stream through a bed of...
Matches 101 - 150 out of 168 < 1 2 3 4 >