|
Match
|
Document |
Document Title |
|
|
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...
|
|
|
7334453 |
Modular particulate sampler
A gas sampler includes an impact disc for removing larger particles from a gas flow drawn by a pump and a filter for capturing smaller particles, also positioned in the flow path. The sampler is...
|
|
|
7318338 |
Measuring device for measuring aerosol
The invention relates to a measuring device for measuring aerosols, which measuring device comprises detection means ( 13 ), means ( 41 ) for conveying a signal from the detection means ( 13 ), a...
|
|
|
7205145 |
Gas-borne matter collection device
A device for collecting viable gas-borne matter includes an inlet and an outlet and a plate provided intermediate the inlet and the outlet and having a first surface facing the inlet and a second...
|
|
|
7159446 |
Particulate matter concentration measuring apparatus
A highly sensitive particulate matter concentration measuring apparatus for measuring a concentration of particulate matter in a sample gas collected in a collecting region formed on a collecting...
|
|
|
7082811 |
Cascade impactor with individually driven impactor plates
A cascade impactor apparatus has a series of vertically stacked impactor housing sections. Each of the impactor housing sections has an upper portion that supports a motor for driving an impactor...
|
|
|
7029921 |
Apparatus for rapid measurement of aerosol bulk chemical composition
An apparatus for continuous on-line measurement of chemical composition of aerosol particles with a fast time resolution is provided. The apparatus includes an enhanced particle size magnifier for...
|
|
|
7028535 |
System and method for detecting and measuring liquid carry over in a gas stream
A system for automatically detecting liquid carry over in a gas stream includes a sample line communicated with the gas stream for separating a sample of the gas stream; and an impactometer...
|
|
|
6990846 |
Impactor inlet
An impactor inlet for a system for monitoring an aerosol including a plurality of particles is provided. Each of the particles has a size. The inlet includes a housing defining a chamber to receive...
|
|
|
6829919 |
High-quality continuous particulate matter monitor
A system for monitoring an aerosol including a plurality of particles is provided. Each of the particles has a size. The system includes an impactor assembly to receive the aerosol at a first flow...
|
|
|
6796164 |
Integrated fluidics system for simplified analysis of aerosolized biological particles and particle detection ticket thereof
An integrated fluidics system for simplified analysis of aerosolize biological particles has a unitary self-contained ticket provided with a sample fluid reservoir, an array of particle-detection...
|
|
|
6779380 |
Measuring system for the control of residual dust in safety vacuum cleaners
A safety vacuum cleaner including a measuring system for residual dust monitoring, including a housing having an air passage with an inlet, an outlet, and a flow cross section. A turbine is...
|
|
|
6732569 |
System and method for collecting samples of atmospheric aerosol particles for near-real time analysis
A system and method for collecting sub-hourly ambient particulate matter samples at flow rates of 170-260 L/min is suitable for either on- or off-line near-real-time multielement analysis by...
|
|
|
6692553 |
Particle collection apparatus and method
A particle collector comprises a housing defining an enclosed chamber. An inlet opening in the housing provides fluid communication between a source of gas and particles and the chamber and an...
|
|
|
6685759 |
Cascade impactor and jet plate for same
A sampling system and method for sampling particulate matter from a high-temperature, high-pressure gas stream. A cyclone sampler for use at high temperatures and pressures, and having threadless...
|
|
|
6647758 |
Method and apparatus for verifying integrity of cascade impactors
An impactor assembly comprises a base for supporting a plurality of cups that form impactor plates, and a nozzle above each of the cups through which a flow passes for classification. The cover is...
|
|
|
6594001 |
Pollen grain-counting method and pollen grain counter
Provided is a method and apparatus which enable only pollen existing in the atmosphere to be automatically quantified. According to the method and apparatus, particles other than those...
|
|
|
6510727 |
Arrangement for the quantitative and qualitative analysis of particles in gases
An arrangement is described for the quantitative and qualitative analysis of particles in gases, especially of particles in the exhaust gas of internal combustion engines, comprising a vibrating...
|
|
|
6472203 |
Combination air sampling cassette and nutrient media dish
A combination air sampling cassette and nutrient media dish having base, orifice plate, and nutrient media dish assembly for the collection of airborne particles. The orifice plate includes a...
|
|
|
6431014 |
High accuracy aerosol impactor and monitor
An aerosol impactor and monitor has a plurality of impactor stages, each of which will receive an aerosol and classify the aerosol according to particle size. The impactor stages have nozzle plates...
|
|
|
6402817 |
Low pressure drop, multi-slit virtual impactor
Fluid flow is directed into a multiplicity of slit nozzles positioned so that the fluid flow is directed into a gap between the nozzles and (a) a number of receiving chambers and (b) a number of...
|
|
|
6342388 |
Culture medium container, with integrated geometry for air suction and air conduction, for the purpose of air bacteria analysis
A container for a culture medium having a dish and a lid, and having an integrated geometry for air suction and air conduction. The container being adapted for analysis of air bacteria according to...
|
|
|
6294375 |
Microbiological pressurised gas control device
A device for microbiologically controlling a dust-laden pressurized gas, including dust collecting device in an inner cavity provided with a gas inlet and a gas outlet and having an internal...
|
|
|
6284025 |
Particle microtrap screen
A particle microtrap screen apparatus has an inlet, a jet orifice screen with multiple microjet orifices, and a microtrap plate having multiple microtraps spaced opposite the multiple microjet...
|
|
|
6240768 |
Sampling method and sampling apparatus for the microbiological analysis of air
A method and apparatus for sampling microorganisms from the air is disclosed. The speed at which the sample is placed on to a growth medium is controlled, such as by controlling the speed of the...
|
|
|
6156212 |
Opposed-flow virtual cyclone for particle concentration
An opposed-flow virtual cyclone for aerosol collation which can accurately collect, classify, and concentrate (enrich) particles in a specific size range. The opposed-flow virtual cyclone is a...
|
|
|
5932818 |
Near real time vapor detection and enhancement using aerosol adsorption
A vapor sample detection method where the vapor sample contains vapor and ambient air and surrounding natural background particles. The vapor sample detection method includes the steps of...
|
|
|
5932795 |
Methods and apparatus for continuous ambient particulate mass monitoring
Methods and apparatus for the continuous monitoring of ambient particulate mass in a gas sample encompassing the monitoring of PM 10 , (particulate matter greater than 10 μm) and coarse particles...
|
|
|
5880355 |
Apparatus for measuring contamination particles during the manufacture of semiconductor devices
An apparatus and a method of measuring contamination particles generated during manufacturing of semiconductor devices and an analysis method therefor are described. The apparatus for measuring...
|
|
|
5693895 |
Versatile airborne particle impaction sampler
An airborne particle impaction system and a particle impaction cell for use therewith. The cell includes a device for holding a removable planar support sheet with a tacky surface. The cell...
|
|
|
5443271 |
Automated dry deposition sampler
A dry deposition sampling apparatus having at least one thin dry deposition plate with sample collection film is maintained on a support structure which is rotatable about a vertical axis and has a...
|
|
|
5425263 |
Method for inspecting an article for concealed substances
There is provided an assembly for preferentially separating and collecting particles that are gathered from the surface of an article such as an item of baggage. The assembly features an impactor...
|
|
|
5421214 |
Air sampler for clean rooms
A device for measuring airborne contaminants. The device includes a housing which includes an air passage chamber having an inlet and an outlet. An air movement mechanism, typically an impeller...
|
|
|
5401468 |
Dual flow path carbon particulate monitor
Carbon particulate concentration of diesel exhaust or other sampled gas is measured by collecting the particulate on a high efficiency filter or other collector while measuring the amount of...
|
|
|
5304125 |
Apparatus for administering solid particulate aerosols to the lungs
An apparatus for administering an aerosol of a solid particulate medicament (e.g., amiloride) to the lungs of a patient is disclosed. The apparatus comprises a solid particulate medicament aerosol...
|
|
|
5279970 |
Carbon particulate monitor with preseparator
Carbon particulate concentration of diesel exhaust or other sampled gas is measured by collecting the particulate on a high efficiency filter while measuring the amount of sampled gas passing...
|
|
|
5223439 |
Radon daughter dosemeter
The invention provides a radon daughter dosemeter made up of a cyclone, a filter in a filter holder and a radiation detector spaced from the filter. The filter is arranged to filter dust and...
|
|
|
5196170 |
Carbon particulate monitor
Carbon particulate concentration of diesel exhaust or other sampled gas is measured by collecting the particulate on a high efficiency filter while measuring the amount of sampled gas passing...
|
|
|
5128539 |
Apparatus having reduced background for measuring radiation activity in aerosol particles
Apparatus having reduced background for measuring radiation activity in aerosol particles. A continuous air monitoring sampler is described for use in detecting the presence of alpha-emitting...
|
|
|
5110747 |
Diesel particulate monitor
Particulate concentration of diesel exhaust is measured by collecting the diesel particulate on a filter while measuring the amount of exhaust passing through the filter. The filtered particlate is...
|
|
|
5090233 |
In-line analyzer for particle size distribution in flue gas
A particle-size distribution analyzer in a vent gas or flue gas which can be in a gas carrying line of a dust- and/or mist-producing process is provided. The analyzer comprises: a series of...
|
|
|
5056355 |
Dust monitors and dust monitoring
A dual monitor comprises a piezoelectric sensor in the form of a quartz crystal and an electrode system thereon. An exposure device in the form of a dust discriminator is provided to expose the...
|
|
|
4979403 |
Procedure for the quantification of dust collectability
A method and apparatus for determining the collectability of dust particles is disclosed herein. The concept of collectability and collectivity are employed to establish fundamental equations which...
|
|
|
4972957 |
Particle concentrating sampler
A particle concentrating sampler utilizes a virtual impactor, which is an inertial classifier, for concentrating airborne particles above a cut size into a smaller volume air. The concentrated...
|
|
|
4926679 |
Inertial impaction air sampling device
An inertial impactor to be used in an air sampling device for collection of respirable size particles in ambient air which may include a graphite furnace as the impaction substrate in a small-size,...
|
|
|
4902318 |
Inlet apparatus for gas-aerosol sampling
An inlet apparatus for gas-aerosol sampling comprises an elutriator column and an impactor member. The elutriator column comprises an inlet and an impact accelerator jet outlet, and the inner...
|
|
|
4796475 |
Personal air sampling impactor
A compact air sampling impactor assembly has an inlet nozzle overlying an impaction plate that is mounted on a flat housing that defines an interior chamber covered by a filter. An air flow outlet...
|
|
|
4767524 |
Virtual impactor
A virtual impactor having improved efficiency and low wall losses in which a core of clean air is inserted into the aerosol flow while aerosol flow is maintained adjacent inner wall surfaces of the...
|
|
|
4670135 |
High volume virtual impactor
A high volume virtual impactor for sampling atmospheric aerosols has a plurality of inlet nozzles and associated receiving tubes mounted in a common frame or housing having passageways which divide...
|
|
|
4452068 |
Grooved impactor and inertial trap for sampling inhalable particulate matter
An inertial trap and grooved impactor for providing a sharp cutoff for particles over 15 microns from entering an inhalable particulate sampler. The impactor head has a tapered surface and is...
|