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8157904 |
Activated carbon filter unit for a tank system
An active carbon filter unit for a tank system consists of a housing (13) in which two chambers (31, 32) are formed, carrying an active carbon filling, which form a section of a flow path which at...
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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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8133300 |
Systems and methods for oil/gas separation
In some embodiments, a chamber may be configured to separate oil and gas. For example, the oil and gas may be separated as they exit a compressor, an oil storage tank, etc. In some embodiments, the...
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8128728 |
Gas homogenization system
A system and process for gas homogenization is disclosed. This has application in the areas of generation of gas and its conversion to electricity in downstream applications. The homogenization...
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8118909 |
Multistage variable impactor
An inertial gas-liquid separator and method is provided, including variable orifice jet nozzle structure having a variable orifice area dependent upon axial movement of a plunger relative to a...
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8075668 |
Drainage system for compressor separators
A drainage system is for a compressor assembly that includes at least one separator with a chamber. The system includes a drain valve fluidly coupled with the separator chamber and adjustable...
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8075667 |
Fuel storage tank pressure management system and method employing a carbon canister
A carbon canister to adsorb hydrocarbons from a hydrocarbon air mixture in a UST system to prevent fugitive emissions due to overpressurization. The carbon canister has an inlet port at one end...
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8029608 |
Furnace filter indicator
A furnace filter indicator system comprises a pressure differential switch that monitors air pressure near a furnace filter, and a transmitter coupled to the pressure differential switch sends a...
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8007568 |
Filter with memory, communication and pressure sensor
The present invention describes a system and method for accurately measuring the pressure within a filter housing. A pressure sensor and a communications device are coupled so as to be able to...
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7981193 |
Method of controlling a gas separating apparatus
A method of controlling an apparatus for separating product gas and non product gas from an air supply, the concentration of the product gas produced by the apparatus being variable depending on a...
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7972414 |
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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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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7896946 |
Multistage multicontroller variable impactor
An inertial gas-liquid impactor separator and method is provided, including multiple stages and multiple variable flow controllers.
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7892320 |
Automatically replaceable apparatus for collecting byproducts and the controlling method thereof in equipment producing semiconductor
Disclosed herein are an automatically replaceable apparatus for collecting byproducts in semiconductor producing equipment and a control method thereof. The apparatus includes several trap units...
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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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7841171 |
Exhaust emission control device for internal combustion engine
A method is disclosed for estimating an amount of deposited particulates (PM) in a collector of an internal combustion engine. The method includes estimating the amount of inflow of PM into the...
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7794522 |
Portable oxygen concentrator
A portable oxygen concentrator includes a pair of sieve beds, a compressor for delivering air to the sieve beds, a reservoir receiving oxygen-enriched gas from the sieve beds, and an air manifold...
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7758676 |
Adaptive learning method for clean particulate filter pressure drop
A control system for particulate filters is provided. The control system for a particulate filter includes a clean filter estimating module that estimates a clean pressure based on a first pressure...
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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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7722698 |
Method of determining the purity of oxygen present in an oxygen-enriched gas produced from an oxygen delivery system
A method of determining the purity of oxygen present in an oxygen-enriched gas produced from an oxygen delivery system is disclosed. The oxygen delivery system includes at least one sieve bed...
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7708802 |
Gas fractionalization apparatus with built-in administrative and self-diagnostic functions
A portable gas fractionalization system with built-in administrative and self-diagnostic functions is provided. The system includes a multiple mode programmable controller which has a operations...
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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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7674319 |
PSA pressure measurement and control system
A pressure swing adsorption system including a plurality of vessels having one or more layers of adsorbent material therein, a feed gas channel, a waste channel, and a product channel. The system...
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7655065 |
Hydrocarbon-enhanced particulate filter regeneration via microwave ignition
A regeneration method for a particulate filter includes estimating a quantity of particulate matter trapped within the particulate filter, comparing the quantity of particulate matter to a...
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7645319 |
Method for renovating a combined blast furnace and air/gas separation unit system
The invention relates to a method for renovating a combined system consisting of a blast furnace supplied with an oxidant fluid received at least partly from an air/gas separation unit (ASU). The...
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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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7572305 |
Exhaust gas purification for internal combustion engines and method for operating the same
The present invention relates to an exhaust emission control apparatus for an internal combustion engine and a process for operating it. The exhaust emission control has a particulate filter for...
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7556670 |
Method and system of coordinating an intensifier and sieve beds
A method and system of coordinating an intensifier and sieve beds. At least some of the illustrative embodiments are methods comprising coordinating control of an intensifier with cycles of a sieve...
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7468092 |
Operation of mixed conducting metal oxide membrane systems under transient conditions
Method of operating an oxygen-permeable mixed conducting membrane having an oxidant feed side, an oxidant feed surface, a permeate side, and a permeate surface, which method comprises controlling...
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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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7442348 |
Sulfur-bearing residue treatment system
A sulfur-bearing residue treatment system is provided for the recovery of valuable organic components and the reduction of capital costs and operating costs. The treatment system involves the use...
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7419532 |
Deposition system and method
According to an exemplary embodiment of the present disclosure, a method of loading a filtering device includes measuring a metric indicative of an initial loading of the filtering device and...
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7402193 |
Portable oxygen concentrator
A portable oxygen concentrator includes a pair of sieve beds having first and second ends, a compressor for delivering air to the first ends of the sieve beds, a reservoir communicating with the...
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7396389 |
Abnormality detection apparatus for exhaust gas purification apparatus for internal combustion engine
Unless an abnormality exists in piping introducing a pressure from front and rear of DPF 22 into a differential pressure sensor 45, pulsations of pressure propagation through an exhaust passage 21...
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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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7384451 |
Gas-liquid separation method and unit
When a reaction liquid is passed through a gas-liquid separation pipe having a larger volume per unit length than the volume per unit length of a pipe, a headspace part into which gas can be...
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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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7357822 |
Filter control apparatus
In order to calculate an estimation of the quantity of accumulated particulates in a filter (32), a first estimation calculation unit (100) that outputs first estimation data (XA) calculated from...
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7326276 |
Method of shutting off fuel gas manufacturing apparatus
When a shutoff signal is entered to shut off a fuel gas manufacturing apparatus, it is determined whether a PSA mechanism is in a prescribed shutoff state or not. If the PSA mechanism is judged as...
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7314509 |
Gas liquid phase separator with improved pressure control
A gas/liquid phase separator includes a fluid inlet, a vapor outlet, a liquid outlet, and first and second valves disposed in fluid communication with the liquid outlet. Both valves are...
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7311755 |
Control of differential strain during heating and cooling of mixed conducting metal oxide membranes
Method of operating an oxygen-permeable mixed conducting membrane having an oxidant feed side and a permeate side, which method comprises controlling the differential strain between the oxidant...
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7296399 |
Method to generate inert gas from exhaust gas on-site
Methods for extracting and compressing an inert gas from an exhaust gas of an engine relate to providing an inert gas processing system including a multi-stage gas compressor to receive the exhaust...
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7294169 |
Electrical enhancement of fabric filter performance
A method for operating a filter assembly having a filter medium includes applying a constant or nearly constant static DC potential to dust entering the filter assembly and the filter medium,...
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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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7222517 |
Method for determining the characteristic properties of soot particles
A method for determining the characteristic properties of soot particles originating from combustion processes utilizes the determination of the blackening of a filter paper. In order to allow for...
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7192463 |
Arrangement for mounting electrical components to an aftertreatment filter
An exhaust gas aftertreatment filter system for an internal combustion engine includes an aftertreatment filter disposed in-line with an exhaust gas conduit coupled to an internal combustion...
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