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8152897 |
Gas/liquid separator for hydrogen generating apparatus
A gas liquid separator system for a hydrogen generating apparatus includes a collection area for collecting liquid from the generated gases. To empty the collection area occasionally so that liquid...
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8142544 |
Adsorbent bed pressure balancing for a gas concentrator
A system and a method are described for monitoring pressure imbalances in the adsorbent beds of a portable gas concentrator. Using the programmability features found in modern portable...
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8141411 |
Method for determining a low cylinder pressure condition for a gas chromatograph
A method for determining a low cylinder pressure condition of a gas chromatograph includes providing gas from the cylinder to an inlet of the gas chromatograph. In particular, the gas is provided...
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8070853 |
Apparatus and method of providing concentrated product gas
In one aspect, a product gas concentrator is provided. In one embodiment, the apparatus may include: a first process separating absorbable components from a source gaseous mixture, a second process...
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8012423 |
Method and apparatus for protective atmosphere recycling
A recycling apparatus for spent protective atmosphere gas contaminated with fouling organic decomposition byproduct materials. The recycling apparatus includes a compressor having an inlet...
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8012240 |
***WITHDRAWN PATENT AS PER THE LATEST USPTO WITHDRAWN LIST***
Apparatus and method of providing concentrated product gas
In one aspect, a product gas concentrator is provided. In one embodiment, the apparatus may include: a first process separating absorbable components from a source gaseous mixture, a second process...
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7967893 |
Supercritical fluid enrichment of isotopes
A system and method for supercritical fluid enrichment of radioactive isotope/s are disclosed. The method involves pressurizing an outer chamber and an inner centrifugal chamber of a stage to...
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7931733 |
Method of producing hypoxic environments in occupied compartments with simultaneous removal of excessive carbon dioxide and humidity
A method and a system for providing a hypoxic environment inside an enclosed compartment with simultaneous removal of carbon dioxide and moisture produced by occupants; said method and system...
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7914746 |
Method and apparatus for protective atmosphere recycling
A recycling apparatus for spent protective atmosphere gas contaminated with fouling organic decomposition byproduct materials. The recycling apparatus includes a compressor having an inlet...
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7905947 |
Method and apparatus for removing contaminates from air
A filter assembly comprising a housing having an air inlet and an air outlet and a filter chamber disposed between the inlet and the outlet, the housing having an air flow path there through. A...
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7857894 |
Adsorbent bed pressure balancing for a gas concentrator
A system and a method are described for monitoring pressure imbalances in the adsorbent beds of a portable gas concentrator. Using the programmability features found in modern portable...
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7846236 |
Method for producing oxygen, from air, particularly using an electrochemical cell with ceramic membrane, with control means for continuous production
An oxygen generator is controlled to producing oxygen during a period t at a pressure P2 higher than P1, or during a period t′ with a flow rate D2 higher than D1, optionally with a pressure P2 h...
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7842115 |
Oil separator arrangement and cylinder head cover for an internal combustion engine
An oil separator arrangement for an internal combustion engine incorporates a vortex chamber oil separator with a vortex chamber extending in a longitudinal direction, where the vortex chamber...
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7837761 |
Portable oxygen concentrator
A portable oxygen concentrator includes a reservoir adapted to store oxygen-enriched gas, a delivery valve adapted to communicate with the reservoir, a pressure sensor adapted to measure a...
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7806951 |
Mobile airborne contaminant control chamber
The present invention is a mobile air contaminant control system that includes a filter assembly enclosed by a mobile outer chamber. The filter assembly is tapered to create a large volume air way...
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7727305 |
Method and system for atmosphere recycling
A system for recycling vented atmosphere gas discharged from a heat treatment chamber utilizing a protective atmosphere gas therein. The system includes an atmosphere recycling apparatus configured...
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7722700 |
Apparatus and method of providing concentrated product gas
Component gas is separated from a gas mixture. Component gas flow rate, or demand, is determined. One or more gas separator operating parameters is changed based on the component gas flow rate. For...
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7678177 |
Membrane air dryer and sweep valve
A membrane air dryer includes a proportioning valve for providing sweep air to the dryer. The valve may be located in an easily accessible location and may be oriented so that the movable valve...
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7637985 |
Dry compressed air supply module
A dry compressed air module is provided for attachment to the frame of commercial vehicle. The dry compressed air module includes a shell, an air compressor, an air dryer, and a reservoir. The air...
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7585351 |
Systems and methods of monitoring and controlling the performance of a gas fractionalization apparatus
A gas fractionalization apparatus and methods for providing oxygen rich air to patients are disclosed. The apparatus comprises a variable output compressor, a PSA unit, a control system, and one or...
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7559227 |
Pneumatic testing for gas chromatograph inlet
A method and apparatus for detecting a flow disruption within a gas chromatograph (GC) inlet. A controller controls an input flow of a gas entering a chamber of the GC inlet, and the output flow of...
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7537641 |
Natural gas treatment process for stimulated well
A process and equipment for treating natural gas produced by a well that has recently been stimulated, and that contains an undesirably high concentration of the fracturing gas used to stimulate...
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7517386 |
Filter module with flow control
A filter module and method for facilitating rapid flow setting and/or cost-effective balancing of airflow through a plurality of filters is provided. In one embodiment, the filter module includes...
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7455717 |
Apparatus and method of providing concentrated product gas
In one aspect, a product gas concentrator is provided. In one embodiment, the apparatus may include: a first process separating adsorbable components from a source gaseous mixture, a second process...
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H002221 |
Air supply system particularly suited to remove contaminants created by chemical, biological or radiological conditions
Disclosed is an air supply system that provides filtered ventilation to a protected zone which is maintained at a positive pressure so as to prevent contaminants from infiltrating therein. The...
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7387659 |
Pneumatically operated automatic shutoff circuit for controlling the generation of gas
An automatic shut off circuit for controlling the flow of a gas through a gas separation system is disclosed. The gas separation system includes a gas separation module for separating nitrogen from...
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7374600 |
System and method for excluding false back pressure faults after installation of a particulate trap filter
A method and system for preventing or minimizing false back pressure faults caused by a new particulate filter in an engine exhaust system. When a new particulate filter is placed in an engine...
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7357831 |
Method and apparatus for controlling humidity and mold
An apparatus for reducing a relative humidity of air inside an enclosed space includes a portable outside air heat exchanger unit having a fan operative to create an air stream by drawing outside...
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7326269 |
NBC filtration unit providing unfiltered and filtered air paths
A filtration unit for use with an environmental control unit (ECU), usually a portable ECU, which includes at least two air flow paths wherein at least one of the air flow paths allows for use of...
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7175692 |
Ejector to reduce permeate backpressure of air separation module
An air separation system includes an ejector for controlling a pressure differential across an air separation module and a valve for controlling air flow through the ejector such that airflow...
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7153341 |
Processes for controlling regenerative sweep air for membrane systems
A process for controlling the volume of dry air, dried to a predetermined degree of dryness, from a sweep manifold of an air dryer system, flowing over a plurality of gas/liquid fluid separating...
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7097689 |
Process and system for purifying gases
A process and system for purifying an impure gas to produce a purified gas in a gas purification system and protecting the system from damage by a) passing a portion of a first gas stream into a...
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7081153 |
Gas generating system and method for inerting aircraft fuel tanks
The present invention provides a system and method for generation of nitrogen enriched air for inerting aircraft fuel tanks. One embodiment of the present invention includes a duct assembly; a...
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7011693 |
Control of a hydrogen purifying pressure swing adsorption unit in fuel processor module for hydrogen generation
A PSA unit for purifying hydrogen in a fuel processor system. The PSA unit employs rotary valves that cycle the pressurization of vessels, including an adsorbent, between a high pressure state and...
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6969413 |
Exhaust gas filtering system having particulate filter for internal combustion engine
A flow rate of gas supplied to a diesel particulate filter is increased when it is determined that rapid combustion of collected particulates, which are collected by the particulate filter, is...
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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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6878195 |
Air treatment apparatus
An air extraction and treatment unit is located above a source of contaminated air. The apparatus has a series of ultraviolet tubes for treating the decontaminated air. The unit is arranged such...
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6790257 |
Airflow feedback control method and apparatus for fan filter unit
An airflow feedback control method and apparatus for fan filter unit (FFU) is proposed, which is designed for use with a fan filter unit that is widely used in semiconductor fabrication factories...
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6719825 |
Air drying apparatus and method
Apparatus and methods are disclosed for using membranes to reduce the relative humidity of a compressed air stream. Air dryers employing membranes consist of a permeable membrane capable of...
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6716268 |
Slugging control
A method of controlling occurrence of slugging in a riser of a pipeline arrangement including a riser base and pipeline conveying a multiphase fluid system in which the gas phase may be natural...
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6482251 |
Method and apparatus for separating and recovering perfluoro compound
A PFC separation recovery method to separate and recover PFC by raising the pressure of diluted mixed gas consisting of PFC gas and diluent gas, and subsequently contacting the gas with a membrane...
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6458190 |
Installation and process for the separation of gas by selective permeation
This installation comprises subgroups of permeators (SG1 to SG3), each subgroup comprising a permeator (4A to 4C) or several permeators mounted in parallel, and having an inlet (12A to 12C), a...
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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...
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6423124 |
Device for regulating a flow rate in an air-liquid centrifuge separator
The device for regulating a flow rate of an air-liquid centrifuge separator includes a gas outlet pipe, an outlet pipe for separated liquids and an inlet pipe through which a fluid to be separated...
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6423118 |
Methods and systems for controlling air filtration systems
Methods and control systems for improving performance in an air filtration system are disclosed. The method includes monitoring performance of a blower motor in the air filtration system and...
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6413297 |
Method and apparatus for treating pressurized drilling fluid returns from a well
A method and apparatus for treating pressurized drilling fluid returns from a well having a returns outlet. The method comprises the steps of providing a primary separator for selectively...
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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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6338823 |
Gas chromatograph
A gas chromatograph has a pressure sensor measuring a pressure in a sample introduction part, a flow control valve controlling carrier gas flow rate, a flow sensor measuring a flow rate of the...
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6299667 |
Method and device for removing dust from areas with high dust loading
A method and device for removing dust from spaces having a high dust loading utilizing a blast jet chamber having a cartridge filter (2) for the exhaust volume flow and a cyclone dust separator (4)...
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6290750 |
Production plant and process comprising several treatment steps
The plant for producing a product stream includes, mounted in series, several modules adapted to perform successive and distinct elementary treatments. At least two elementary treatment modules...
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