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7578872 |
Vapor trapping canister vapor pressure management system
An underground fuel tank releases vapors depending upon air pressure. A vapor pressure management system has a canister for a vapor recovery system that connects with piping from an underground...
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7468091 |
Method for dehumidifying air and air dehumidifier for oil-insulated transformers, reactance coils and step switches
The invention relates to a method for dehumidifying air and to an air dehumidifier. To this end, a filter element is provided that is filled with granular material that can be regenerated by baking...
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7459008 |
Method and system of operating a trans-fill device
A method and system of operating a trans-fill device. At least some of the illustrative embodiments are methods comprising generating an enriched gas stream from atmospheric air, and operating an...
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7393380 |
Method of guaranteeing at least one characteristic of a fluid used for producing food products
A method for guaranteeing at least one characteristic of a fluid used for producing food products. This method utilizes a system for piping and delivering the fluid, combined with means for...
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7179320 |
Air recharge system dryer and methods therefor
A method to desorb water from a desiccant of an air recharge system comprises the steps of a) filling a purge reservoir using an air compressor and a desiccant dryer to produce discharge air, b)...
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RE39467 |
Air dryer reservoir module components
An air dryer and reservoir assembly for providing compressed air from an air compressor ( 20 ) on a heavy motor vehicle which includes an air dryer ( 14 ) connected to receive compressed air from...
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7137788 |
Air compressor oil recirculation system
An apparatus for removing oil from air in an air compressor that has a piston reciprocable in a cylinder to compress the air, includes an oil removal chamber associated with the compressor. An...
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7101414 |
Rotary bed sorption system including at least one recycled isolation loop, and methods of designing and operating such a system
A method of reducing the sorbate concentration of a process fluid stream using a sorption bed system includes the following steps. A mass of a sorbent material is rotated so that, in a cycle of...
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7086178 |
System and method for drying
The present invention relates to a system for projecting a pre-selected flow rate of dry compressed air onto a vehicle to prevent accumulation of excess water. The present invention also relates to...
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6962654 |
Methods and apparatus for supplying high concentrations of dissolved oxygen and ozone for chemical and biological processes
A method and apparatus for supplying dissolved gases (such as oxygen, ozone, chlorine etc.) for chemical and biological processes is described. The methods and apparatus described are particularly...
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6923844 |
Gas separation method and device
A gas separation method and apparatus that recovers efficiently principal gas components from a feed gas that includes a plurality of components, and enables supplying the product gases...
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6887301 |
Flow control in pressure swing adsorption systems
A method for reducing shock during a flow of fluid between a higher pressure vessel and a lower pressure vessel. The method includes the steps of providing a conduit between the higher pressure...
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6858066 |
Air dryer module
An air dryer and reservoir assembly for providing compressed air from an air compressor ( 20 ) on a heavy motor vehicle which includes an air dryer ( 14 ) connected to receive compressed air from...
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6846347 |
Life support system
A method of operating a life support system for an aircraft, the system including a plurality of oxygen supply apparatus, each of which in use is operable to supply product gas, which may be pure...
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6835231 |
Adsorption process and apparatus for nitrogen production and drink dispensing device making use of the apparatus
In a process for the production of nitrogen by adsorption on carbons or similar molecular sieves contained in a cylinder ( 2 ), the amount of Q 1 of nitrogen obtainable from the cylinder at the...
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6716271 |
Apparatus and method for inhibiting decomposition of germane
A germane storage and dispensing system, in which germane gas is sorptively retained on an activated carbon sorbent medium in a vessel containing adsorbed and free germane gas. The activated carbon...
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6712877 |
Oxygen concentrator system
An oxygen concentrator system includes at least one oxygen concentrator sub-system and a plenum subsystem. The at least one oxygen concentrator sub-system produces oxygen-enriched air which is...
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6695893 |
Continuous flow dryer reservoir module dryer system
A continuous flow dryer system for compressed air includes first and second air dryers for receiving and alternately drying compressed air from a source. The dried air from the first dryer is...
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6689196 |
Fuel vapor control apparatus
A fuel adsorption layer formed in a canister is partitioned into an upper adsorption layer and a lower adsorption layer by a partition plate in which a heater is embedded. The relation between a...
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6571489 |
Method and device at a single chamber air drier
For a single chamber air drier in a compressed air system on a vehicle the volume of dry regeneration air required to regenerate a desiccant in the air drier has to be determined. This can be...
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6561213 |
Fluid distribution system and process, and semiconductor fabrication facility utilizing same
A fluid distribution system for supplying a gas to a process facility such as a semiconductor manufacturing plant. The system includes a main fluid supply vessel coupled by flow circuitry to a...
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6544483 |
Adsorbent gas scrubber to dispose the gas generated during the semiconductor manufacturing process
An adsorbent gas scrubber is provided in which the processing efficiency of the gas generated during semiconductor manufacturing can be increased, as the idle time of the system is reduced. The...
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6540819 |
Gas cabinet assembly comprising sorbent-based gas storage and delivery system
A gas supply system including a gas cabinet defining an enclosure including therein a gas dispensing manifold and one or more adsorbent-based gas storage and dispensing vessels mounted in the...
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6527836 |
Rotating drum adsorber process and system
A rotating drum adsorber process and system includes a rotating drum of adsorbent medium in a shell including partitions which define an adsorption sector, a regeneration sector and a cooling...
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6506234 |
Pressure swing adsorption gas separation method, using adsorbents with high intrinsic diffusivity and low pressure ratios
A gas separation process incorporating the invention combines use of an adsorbent having high intrinsic diffusivity with a low pressure ratio PSA cycle. Further enhancements to the process are...
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6497755 |
Air flow control in a gas fractionalization system and associated method
A system and method for improving the efficiency of a gas fractionalization system of the type having a compressor having an inlet for receiving air from the ambient environment. The system...
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6478849 |
Vapor recovery system for fuel storage tank
A vapor recovery system for a fuel storage tank. The system includes a pair of VOC adsorbent canisters that alternately recover VOC vapors from the fuel tank ullage or are regenerated. Regeneration...
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6471744 |
Vacuum-pressure swing absorption fractionator and method of using the same
The present invention involves a vacuum-pressure swing adsorption process for the separation of components of a fluid mixture. The process includes (a) transferring a fluid mixture through an...
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6402809 |
Management of an air purification system with thermal regeneration
A process and a system for purifying gas, such as air, before cryogenic distillation, in which at least one energy parameter, chosen from the flow rate of the regeneration gas entering and/or...
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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...
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6387156 |
Filtration system for collecting and filtering particles and fumes from ablative imaging plates
A filtration system, includes a filtration unit and processor. The filtration unit operates to filter ablative particles generated by thermal imaging of media and transmits a signal corresponding...
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6348082 |
Gas fractionalization system and associated method
A gas fractionalization system including a compressor for receiving air from the ambient environment and producing a flow of pressurized air, a gas separation system for producing a concentrated...
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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...
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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...
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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...
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6200365 |
Device and method for continuously fractionating a gas by adsorption and in-service testing device
A device for continuously fractionating a gas by adsorption, an in-service testing device in a processor-controlled adsorption drier system and a method for testing the operating capability of an...
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6110257 |
Low concentration gas delivery system utilizing sorbent-based gas storage and delivery system
A low concentration gas delivery system utilizing a sorbent-based gas storage and delivery unit including a gas storage and dispensing vessel joined in flow communication with a permeation...
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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...
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6030435 |
Regulation of a PSA process
A PSA process for the separation of a gas flow containing essentially oxygen and nitrogen by preferential adsorption of the nitrogen, at a high adsorption pressure, on at least one bed of adsorbent...
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5997616 |
Moisture absorption device for electrical apparatus containing dielectric gas
A molecular sieve moisture absorption device for electrical apparatus containing a dielectric gas includes a box in which the molecular sieve is placed. The box is closed by a plate provided with a...
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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...
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5928415 |
Selection device for providing one or the other of two gases to an apparatus
A selection device for delivering one of two gases to an apparatus includes an apparatus having an inlet and an outlet, and a gas delivery line connected to the inlet of the apparatus. A first feed...
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5928407 |
Alternating pressure apparatus for obtaining oxygen from the air and method for the operation thereof
An alternating pressure apparatus for obtaining oxygen from the air has two adsorbers to which an air blower for adsorption air and a vacuum pump stand for desorption are connected. The vacuum pump...
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5917139 |
Air dryer reservoir module
An air dryer and reservoir assembly for providing compressed air from an air compressor (20) on a heavy motor vehicle which includes an air dryer (14) connected to receive compressed air from the...
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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...
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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...
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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...
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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...
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5661987 |
Three-bed nonimmobilized rapid pressure-swing adsorber
An improved three-bed nonimmobilized rapid pressure-swing adsorber for use in a gas separation system. The three beds are connected in parallel and actuated so that at any one time, at least one of...
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5591254 |
Vapor recovery system with automatic valve control
A vapor recovery apparatus is provided with an automatic flow control system. The apparatus includes first and second reaction vessels. Each reaction vessel holds a bed of adsorbent for adsorbing...
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