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7611564 |
Recovery of n-propyl bromide emissions
A process for recovery of n-propyl bromide solvent includes mixing a solvent laden vapor stream with an additive and reclaiming the solvent using a carbon adsorption system. A carbon adsorption...
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7608132 |
Vehicle air system and method with forced purging
A method and apparatus provide multiple consecutive purges of an air dryer in a vehicle compressed air system. A dryer throughput sensor has an output indicative of the amount of compressed air...
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7600388 |
Refrigerator with an air filter/freshener system
A refrigerator incorporates an air filter for filtering an airflow passing along at least one refrigeration component into surrounding spaces. The air filter is positioned in an upper machine...
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7569093 |
Filtering particulate materials in continuous emission monitoring systems
A filtering system for monitoring fluid emissions from a process includes a plurality of filter assembly sections arranged in a parallel fluid flow manner with respect to each other so as to...
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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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7517388 |
Air separation membrane module with variable sweep stream
A gas-separation module allows a sweep gas to be introduced at selectively variable locations, and in selectively varying amounts, along the length of the module. The sweep gas enters the module...
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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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7481869 |
Dry gas production systems for pressurizing a space and methods of operating such systems to produce a dry gas stream
A dry gas production system for supplying dry gas to a pressurized space, such as an underground conduit or an aerial cable. The dry gas production system may include a modular enclosure that has a...
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7427311 |
Method and device for the detection, characterization and/or elimination of suspended particles
Volatile suspended particles are eliminated from an aerosol by heating the aerosol to a temperature at which the volatile suspended particles evaporate and diluting the aerosol with a dilution gas....
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7407528 |
Method for operating an air fractionization installation for obtaining oxygen on board an aircraft
The method serves for operating an air fractionization installation for obtaining oxygen on board an aircraft, with at least two molecular sieve chambers. A part mass flow of the oxygen obtained in...
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7396390 |
Oxygen enrichment apparatus
An oxygen enrichment apparatus includes an oxygen enriching unit for generating oxygen-enriched air and a discharge unit for discharging the oxygen-enriched air transferred from the suction unit....
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7374604 |
System and method for flue gas treatment
The present invention discloses a system for flue gas treatment, wherein the provided system comprises a quench module, a first control module, a filter collecting module, a wet scribing module and...
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7374601 |
Air separation system and method with modulated warning flow
An inerting system and method characterized by a primary air separation module configured to communicate with an upstream source of pressurized air at elevated temperature for production of a...
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7288137 |
Particulate trap
A particulate trap has a plurality of filters and an air distributor. The air distributor has a first flow member and a second flow member. Each of the first and second flow members have a...
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7261762 |
Technique for detecting and predicting air filter condition
A method and system for detecting and predicting air filter condition for an air handling system operates by determining a system resistance to air flow. The system resistance is utilized to...
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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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7147688 |
Engine exhaust gas purification device
A map which defines a relationship of an exhaust gas pressure P 2 at the outlet of a filter ( 13 ) to a load Q and rotation speed Ne of an engine ( 1 ) is prepared, and an exhaust gas pressure P 1...
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7141090 |
Active filter temperature control
An emission sampling system includes an exhaust gas probe for sampling exhaust gas. A dilution gas source provides a dilution gas, and a mixing device is in fluid communication with the exhaust gas...
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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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7086535 |
Particle separation/purification system, diffuser and related methods
A separator for intended use in separating particles having a selected charge from a particle mixture entrained in or carried by a fluid flow is disclosed. The separator comprises a tubular,...
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7025801 |
Method for controlling a unit for the treatment by pressure swing adsorption of at least one feed gas
The treatment unit comprises N adsorption units, N being greater than or equal to 1, operating on a parametrized cycle split uniformly into at most N phase times. Further more, use is made of 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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6984256 |
System for collecting and filtering imaging by-products
An operational state of a system for filtering imaging by-products from an airflow is monitored by comparing a measurement of the flow rate of the airflow to a threshold. Additionally, an...
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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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6926756 |
Method and apparatus for controlling the operation of a scrubber
A method and system to control the operation of a scrubber, in which, the system includes a valve to control the flow of an exhaust from a tool, a sensor to determine whether the valve is open or...
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6783571 |
Method and a device for cleaning of crankcase gas
For cleaning of crankcase gas produced by an internal combustion engine, that is arranged for propelling a vehicle, use is made of a centrifugal separator having a centrifugal rotor that is mounted...
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6616731 |
Method and arrangement to monitor a fatty oil treatment process carried through under vacuum
The present invention is a method and apparatus for monitoring the vacuum conditions for the treatment of vegetable or animal oil. During the treatment, a number of processes, such as refining,...
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6596059 |
Automated filter changing device and method
An automated filter changing device ( 20 ) includes a filter reel system ( 22 ). A motor ( 24 ) is connected to the filter reel system ( 22 ). An airflow sensor ( 26 ) is in an airflow of the...
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6514313 |
Gas purification system and method
A gas purification system has at least one purifier in a purifier line with a gas supply inlet at one end and a process outlet at an opposite end for connection to a process tool using the purified...
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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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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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6391102 |
Air filtration system with filter efficiency management
A filtration system for trapping airborne contaminants as exemplified in evacuating smoke generated during a surgical procedure wherein operation efficiency thereof is automatically reported in...
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6391093 |
Welding filtration system
A weld chamber has an air intake and an exhaust or evacuating ductwork for evacuating gases and other particles from the welding chamber. The evacuating ductwork is connected to a vacuum source to...
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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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6342090 |
Gas generating system with multi-rate charging feature
The present invention is directed to an apparatus for supplying gas at a first pressure and at a second pressure. The apparatus includes a gas generating system having a gas generating system...
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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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6315818 |
Process for the purification of a gas by adsorption
A pressure swing adsorption cycle in which a regeneration phase is terminated by at least one final step in which a residual gas is withdrawn counter-current to the adsorber (1 to 3). A variable...
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6315813 |
Method of treating pressurized drilling fluid returns from a well
A method of treating pressurized drilling fluid returns from a well having a returns outlet. The method comprises the steps of providing a primary separator for selectively separating solid, liquid...
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6296683 |
Dryer for compressed air
The dryer for compressed air comprises a filter bowl (20), which has an inlet (22) for damp compressed air, an outlet (24) for dried compressed air, a scavenging air inlet (26) and a scavenging air...
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6293787 |
Method of regulating the flue gas temperature and voltage supply in an electrostatic precipitator for a cement production plant
A cement production plant and method of regulating the flue gas temperature in a cement production plant. The cement production plant includes a kiln, a flue gas conditioning device, a mill and an...
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6293995 |
Chromatograph having a gas storage system
A chromatograph includes an inlet for receiving a sample and a pressurized hydrogen gas flow and in response providing a sample/fluid mixture; a separation column located in a...
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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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6270556 |
PSA or VSA unit having jointly-controlled production output and production pressure
The invention relates to a process for controlling a PSA, especially VSA, plant for separating a gas stream, in particular a gas stream containing nitrogen and at least one less polar gaseous...
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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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6136068 |
Arc furnace fume collection method
The present invention provides a system and method for collecting fumes from an arc furnace of the type typically used in metal foundries. The system provides an electrode hood with extended sides...
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6077435 |
Filtration monitoring and control system
A method and apparatus for determining the fouling effect of a feedstream on a filter having known characteristics disclosed. The method comprises passing the feedstream through a filter (5) having...
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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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5876485 |
Process and apparatus for the treatment of a gas by adsorption with a variable production flow rate
This process carries out a cycle on a monoadsorber (1) connected, on the one hand, to at least one container (2, 3) via a line (8, 10) fitted with a variable-opening valve (9, 11) and, on the other...
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