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Document Title |
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8152886 |
Filter arrangement
A filter arrangement for removing impurities from a fluid is disclosed, the filter arrangement (10) includes a plurality of screen portions (18, 20) through which the fluid passes. The screen...
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8127595 |
Pre-concentrator and sample interface
This invention describes a multi-stage pre-concentrator device for use with a detector system. One pre-concentrator stage is detachable and may be used to collect sample remotely from the detection...
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8056395 |
Method for detecting a chemical substance
The present invention provides a method for detecting easily and efficiently a chemical substance contained in a gas sample at an ultralow amount. The present invention is directed to detecting...
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8003403 |
Optochemical sensors for the detection of low pressure vapors based on porous semiconductors and emissive organics
A chemical sensor for detecting organic or inorganic target vapors and comprising a silicon member having a silicon surface with semiconductor pores therein, at least one luminescent sensory...
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7963146 |
Method and system for detecting vapors
A method and system may include receiving a sample gas from an ambient environment on a first surface of a selective isolation device within an inlet assembly, dispersing the sample gas in...
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7946152 |
Apparatus and method for measuring the concentration of organic gas
In a measuring apparatus, an atmosphere to be inspected taken out from a space to be inspected in a processing system is analyzed for organic gas concentration. The apparatus is provided with a...
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7908902 |
Amplified sensitivity of porous chemosensors based on bernoulli effect
A method of vapor sampling and its delivery to the porous sensory element(s) employed in chemical detectors/sensors for vapor(s) identification and quantification. The sampling and delivery system...
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7841227 |
Device for passing through a gas mixture
A device for passing through a gas mixture comprises a capillary apparatus with one or more capillaries connecting a first side of the capillary apparatus to a second side of the capillary...
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7699915 |
Liquid impingement unit
A modified liquid impingement unit is configured to automatically maintain a volume of buffer solution within a determined range, the buffer solution used to collect airborne particles from an...
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7690241 |
Pre-concentrator for trace gas analysis
A continuously operating pre-concentrator for trace gas analysis includes a flow channel, a pumping chamber, and a separation membrane between the flow channel and the pumping chamber. The flow...
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7634936 |
Method and system for sampling dissolved gas
A gas sampling system having a storage chamber configured to store a gas; a water-impermeable, gas-permeable surface; and an isolating system. The isolating system is configured to have a first and...
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7549316 |
Integrated sample cell and filter and system using same
Sidestream gas sampling assembly that does not substantially degrade the waveform of expired gases. The gas sampling assembly includes a sample cell portion integrated with a filter portion for...
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7540206 |
Self-cleaning sample extraction system
A sampling apparatus for use with a sample analyzer comprises a sample probe insertable into a process stream, and an extraction cylinder including a variable volume chamber and a piston movable by...
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7526970 |
Millimetre-wave detection device for discriminating between different materials
A portal (1) has a millimetric wave imager (10, 11) arranged to detect articles concealed on the person. A pump (21) supplies jets of air through gas outlets (20) in the lower part of the portal...
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7523642 |
Method and device for determining the fractions of lubricants emitted into the atmosphere in coolant processes
A method for determining fractions of coolants emitted into the atmosphere in processes using coolants, in particular in the metal processing industry. Here, samples of the atmosphere polluted with...
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7511809 |
Air sampler module for enhancing the detection capabilities of a chemical detection device or system
An air sampler module is provided for use with a detection device that monitors liquids and/or solids on a surface using spectroscopy techniques. The air sampler module comprises a housing, an...
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7458248 |
Method and apparatus to detect genuine or hoax contaminants
A system (100) and method for detecting contaminants in parcels or other mailings (110). The contaminants, either genuine or hoax, are detected using the system (100) that includes a jogger (140)...
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7449050 |
System, apparatus and method for concentrating chemical vapors
An apparatus for concentrating a vaporous substance, which comprises: a sorbent material capable of capturing a vaporous substance; a first housing in which the sorbent material is located, a...
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7447597 |
Data processing/visualization method for two (multi) dimensional separation gas chromatography xmass spectrometry (GCxMS) technique with a two (multiply) dimensional separation concept as an example
This invention is a data processing/visualization method which includes the software development and operation to apply to any multi-dimensional separation. The GC-MS analysis of diesel is an...
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7416902 |
Method and apparatus for airborne particle sorting
An apparatus for airborne particle sorting is provided comprising a charging system adapted for applying an electrostatic charge to the particles, such that particles of at least a first group are...
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7360398 |
Receptacle for sensors
A receptacle for sensors insertable into a gas stream, houses at least one sensor for controlling at least one physical/chemical parameter of the gas stream, and is defined by at least one boundary...
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7360397 |
Detector with condenser
An ambient condition detector has a housing that carries a sensor of an airborne constituent such as a gas, and a condenser for minimizing an inflow of moisture into the sensor. A filter can be...
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7347112 |
Air sampler with integrated airflow sensing
Air sampler with integrated airflow sensing. The air sampler according to at least some embodiments includes an air mover that is operable to move air over a sampling media. An integrated airflow...
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7299710 |
Hand-held trace vapor/particle sampling system
A sampling system that contains filter components for collecting and concentrating vapor and particles in high-volume flows. The sample is then vaporized and delivered to a detector at a low-volume...
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7270019 |
Collecting line assembly for monitoring and locating leaks
An assembly for monitoring and locating leaks in an installation includes a collecting line formed of a material that is impermeable to a substance to be monitored. The collecting line has a...
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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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7159444 |
Combustible gas detection systems and method thereof
A system and method are provided for monitoring the levels of combustible gas in a gas stream. The system includes means for controlling the relative humidity of the the gas stream to maintain a...
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7141786 |
Particle sampling preconcentrator
An apparatus is provided for identifying trace amounts of substances of interest in an air flow. The apparatus includes an inlet for receiving the air flow and an outlet for exhausting major...
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7062953 |
Sampling tube-type smoke detector
In a sampling tube-type smoke detector equipped with a smoke detection device detects smoke particles contained in the air suctioned from a monitored area through a sampling tube by an aspirator...
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7048776 |
Advanced air cleaning system and method
A method and system removes nuclear, biological and chemical (NBC) agents from an air stream from a facility HVAC. The system includes an irradiation zone, a saturation zone and a precipitation...
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7032467 |
Package biochemical hazard and contraband detector
This apparatus and method allows collection concentrated sample of content in shipping packages without unsealing the package by forcing airflow via existing hidden gaps or, if necessary, creating...
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7004041 |
System for retrieving a gas phase sample from a gas stream containing entrained liquid, and sample conditioner assembly therefore
A system for the retrieval and initial conditioning of sample gas for “on line” analyzers or filling of gas sample cylinders. The preferred embodiment of the present invention contemplates a sys...
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7000490 |
Thermoelectrically cooled water trap
A water trap system based on a thermoelectric cooling device is employed to remove a major fraction of the water from air samples, prior to analysis of these samples for chemical composition, by a...
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6978657 |
Portable chemical detection system with intergrated preconcentrator
A portable system for the detection of chemical particles such as explosive residue utilizes a metal fiber substrate that may either be swiped over a subject or placed in a holder in a collection...
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6941825 |
Analytical devices based on diffusion boundary layer calibration and quantitative sorption
A method and device for determining the concentration of analytes in a sample. The device has a surface with an extraction coating thereon. The method is carried out while the sample is highly...
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6890372 |
Denuder assembly for collection and removal of soluble atmospheric gases
A denuder assembly is adapted for the collection and removal of a gaseous analyte from a sample gas. The denuder includes a housing including an internal cavity, a sample gas inlet fluidly coupled...
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6888467 |
Gas detection instrument and method for its operation
A gas detection instrument comprises a combustible gas sensor and associated circuitry, which supplies power to the sensor and measures and displays resulting sensor response. The supplied power is...
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6807844 |
Dust sampling device
A dust sampling device having a sampling nozzle is provided. The nozzle is provided with an inlets the diameter of which is variable. The diameter of the nozzle can be instantaneously changed,...
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6782767 |
Gas sample probe for a gas analyzer
A gas sampler (1) for a portable gas analyser, having a cooler or chiller (8) through which cooler or chiller (8) the gas sample is passed prior to being conveyed to a gas analyser, has the cooler...
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6761757 |
Instrument probe with valve and separator
A probe is provided that combines in one housing a pressure regulator and filter/dryer element. The probe may be connected to a conduit for the transfer of a fluid sample, such as natural gas, from...
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6733576 |
Gas sampling separator
A gas sampling separator 29 for the separation of liquid or other contaminants from gas received from a pipeline may be easily inspected visually and cleaned. A cylindrical body 62 forming a...
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6666068 |
Vapor trap system and associated method for detecting volatile organic chemical vapors
A vapor trap for detecting VOCs includes a housing, having a first end portion, a second end portion and at least one opening for receiving gas vapor. The housing is at least partially buried in...
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6555385 |
Sampling bottle for chlorinated organic compounds
A collector is provided which is capable of simultaneously capturing and collecting particulate and gaseous chlorinated organic compounds contained in a fluid. The collector 3 includes a housing 6...
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6554015 |
Single piece silver/palladium cell for adjusting or measuring a level of hydrogen and methods therefor
The invention is directed to a silver/palladium (AgPd) cell for adjusting or measuring a level of hydrogen in a high pressure environment, a high temperature environment, and/or an environment...
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6526805 |
Apparatus for continuously determining volatile substances dissolved in insulating fluid
An apparatus and method are provided for continuously monitoring the operation of electrical equipment and preventing critical operational failures. The invention quantitatively determines the...
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6520033 |
Apparatus for sampling & analysis of thermally-labile species and a method relating thereto
An apparatus for, and a method of, sampling and analyzing thermally-labile chemical species, comprises a quartz tube having a filter member positioned in the bore of the tube. The filter member...
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6453723 |
Gas sensor device
A gas sensor device including a housing provided with an inlet for introducing a gas to be measured, a sensor element capable of detecting oxygen gas or the like contained in the gas and a base...
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6439027 |
Particulate mass measurement apparatus with real-time moisture monitor
The mass of particulate of an effluent gas flowing in a stack is measured with a mass measurement assembly in which sampling is isokinetically controlled by determining in real-time the molecular...
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6393894 |
Gas sensor with phased heaters for increased sensitivity
A concentrator and sensor assembly are disclosed that use phased heaters to multiply the concentration levels that can be eluted, relative to operation with a single interactive element having a...
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6338369 |
Hydrocarbon vapor sensing
A fuel dispenser system having a storage tank and a fuel delivery hose extending from the storage tank and terminating at a nozzle. A vapor recovery line extends between the nozzle and the storage...
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