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US20140246117 |
COMPRESSED NATURAL GAS FLEET FILL MANAGEMENT SYSTEM
Methods and systems and are presented for estimating the amount of natural gas provided to a vehicle at a natural gas time-fill filling station. The methods comprise measuring and wirelessly... |
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US20090139307 |
VENT AND SOIL FLUX MEASUREMENT SYSTEM
A method and apparatus are provided for maintaining pressure inside a closed chamber equal to the changing outside pressure, detecting leaks in the plumbing (i.e., air handling system) of a trace... |
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US20100305884 |
METHODS FOR DETERMINING THE QUANTITY OF PRECURSOR IN AN AMPOULE
Methods of determining an amount of precursor in an ampoule have been provided herein. In some embodiments, a method for determining an amount of solid precursor in an ampoule may include... |
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US20100108811 |
SYSTEM AND METHOD TO MAKE A FUEL TANK INERT
A fuel tank safety system includes an ullage cooling assembly and a system controller. The ullage cooling assembly includes a compressor configured to extract a quantity of ullage gas from the... |
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US20090078025 |
ELECTRONICALLY CONDUCTING CERAMIC ELECTRON CONDUCTOR MATERIAL AND THE PROCESS FOR PRODUCING AN AIR-TIGHT SEAL IN AN OXYGEN SENSOR WITH AN INTERNAL REFERENCE
A method and an article of an electrically conductive ceramic interconnect bonded to a compatible ceramic housing for an oxygen partial pressure sensor system. The interconnect includes a... |
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US20120216598 |
SYSTEM FOR MEASURING ABSOLUTE QUANTITY OF EACH COMPONENT OF GAS USING QMS
The present invention relates to a system for measuring an absolute quantity of each component of a gas using a QMS, more particularly to a system for measuring an absolute quantity of each... |
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US20090213343 |
RE-FLOW AND BUFFER SYSTEM FOR IMMERSION LITHOGRAPHY
A system is disclosed to isolate an environmental chamber of an immersion lithographic apparatus, to which an immersion fluid comprising liquid, is provided from an external environment. Further,... |
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US20120078541 |
HIGH-PRESSURE QUARTZ CRYSTAL MICROBALANCE
The present invention relates to a high-pressure quartz crystal microbalance sensor that is capable of measuring adsorption and diffusion characteristics of nanoporous materials and thin films at... |
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US20080257014 |
PARTIAL PRESSURE MEASURING METHOD AND PARTIAL PRESSURE MEASURING APPARATUS
Provided is a partial pressure measuring method and a partial pressure measuring apparatus by which a partial pressure distribution is easily measured in a vacuum chamber. The partial pressure... |
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US20080121019 |
Biogas Measuring Device and Method for Measuring Biogas Volumes
The invention relates to a biogas measuring device comprising a bioreactor (9); a gas volume measuring appliance (2) which is connected to the bioreactor (9) in a communicating manner by means of... |
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US20130092084 |
Systems and Methods for Measuring, Monitoring and Controlling Ozone Concentration
Systems and methods to determine ozone concentration in a gas mixture of ozone and oxygen, based on measurements of a total mass flow and a corresponding change in a chamber pressure accepting the... |
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US20080216558 |
Saw based CO2 sensors using carbon nanotubes as the sensitive layer
A surface acoustic wave based CO2 sensor using carbon nanotubes as the sensitive layer fabricated by combining surface acoustic wave (SAW) devices and nanotechnology. The device structure consists... |
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US20100294022 |
PRESSURE SENSOR
A pressure sensor is arranged on a supply/discharge pipe of a reactive gas to be supplied to or discharged from a fuel cell, and measures the pressure of the reactive gas in the pipe. The pressure... |
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US20100043526 |
PHOTO ACOUSTIC DETECTOR WITH IMPROVED SIGNAL PROCESSING
A photo, acoustic detector (200) for detecting a concentration of a sample in a sample mixture. The photo acoustic detector (200) comprises a light source (101 ) for producing a light beam for... |
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US20080092630 |
Pressure sensor device
The invention is directed to a pressure sensor device for sensing decompression in a compartment, such as an aircraft cockpit, and causing a compartment door to be free to open substantially... |
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US20130274424 |
PROCESS FOR MONITORING THE POLYMERIZATION OF ETHYLENE OR ETHYLENE AND COMONOMERS IN A TUBULAR-REACTOR AT HIGH-PRESSURES
Process for monitoring the polymerization of ethylene or ethylene and comonomers in the presence of free-radical polymerization initiator at pressures in the range of from 160 MPa to 350 MPa and... |
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US20120325207 |
METHOD FOR DETERMINING PARTIAL PRESSURE OF A GASEOUS CONSTITUENT AND REGULATOR OF BREATHING MASK FOR AIRCRAFT OCCUPANT
A method for determining a characteristic such as partial pressure or percentage of a gaseous constituent in a first gas mixture flow (32) in a flow chamber (30) where flows alternatively said... |
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US20090280366 |
ANODE LOOP OBSERVER FOR FUEL CELL SYSTEMS
A system and method for controlling the bleed valve in an anode recirculation loop of a fuel cell system. The system uses a model to determine the concentration of hydrogen in the recirculated gas... |
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US20150101396 |
Apparatus and Method for Conducting Hot Work
In the specification and drawings, an apparatus for conducting hot work is described and shown with an enclosure; a hot work apparatus operable within the enclosure; and a detector located... |
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US20120227465 |
Vacuum Quality Measurement System
A gas analyzer for a vacuum chamber includes processing electronics configured to receive mass spectral data, receive input of total pressure in the vacuum chamber, receive external input from at... |
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US20130000384 |
MEASUREMENT SENSOR FOR MOLD INSIDE INFORMATION
Gas pressure in a cavity is detected with a rod-shaped casing that attaches to an hole that opens into the cavity. A porous filter whose top end face matches with a mold cavity face at a top end... |
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US20150033826 |
DIAGNOSE ARRANGEMENT FOR A VEHICLE PEDESTRIAN IMPACT SENSOR
The present invention relates to a vehicle impact sensor device adapted to detect an impact between a vehicle (1) and a person. The sensor device (6) comprises a tubular enclosure (7) which... |
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US20090255324 |
SEALING STRUCTURE OF PLASMA PROCESSING APPARATUS, SEALING METHOD, AND PLASMA PROCESSING APPARATUS INCLUDING THE SEALING STRUCTURE
A gate valve corresponding to the sealing structure seals an opening of a plasma generation chamber and includes a valve body, a valve stem, and ring-shaped first and second sealing members that... |
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US20120090380 |
HYDROGEN SENSOR
A hydrogen sensor includes a housing, which is closed off by a membrane that is made of palladium and selectively only pervious to hydrogen. The housing is evacuated and contains a Pirani pressure... |
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US20070017373 |
VACUUM APPLIANCE FILTER CONDITION INDICATOR
A filter condition indicator for a vacuum appliance having a filter includes a housing with a diaphragm dividing the housing into first and second chambers. One chamber receives a pressure... |
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US20100309445 |
Gas Gauge Compatible With Vacuum Environments
A gas gauge (100) is provided for use in a vacuum environment having a measurement gas flow channel (105). The gas gauge comprises a measurement nozzle (110) in the measurement gas flow channel... |
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US20120285220 |
APPARATUS FOR SAFEGUARDING A RADIOLOGICAL SOURCE
A tamper detector is provided for safeguarding a radiological source that is moved into and out of a storage location through an access porthole for storage and use. The radiological source is... |
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US20080202208 |
NANO-PARTICLE CONTAINING APPARATUS, NANO-PARTICLE DETECTION SYSTEM AND METHOD THEREOF
A nano-particle containing apparatus, a nano-particle detection system and a method are disclosed. The nano-particle containing apparatus includes a casing, an air extracting device, a pressure... |
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US20130139569 |
COLUMN WITH GAS DISTRIBUTION AND METHOD OF CHARACTERIZING A GAS-LIQUID CONTACTING ELEMENT
The object of the invention is a gas-liquid contacting column comprising a gas supply line (2), a liquid supply line (4), at least one functional zone (6) comprising at least one gas-liquid... |
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US20060107898 |
Method and apparatus for measuring consumption of reactants
A method and apparatus for measuring the consumption of reactants includes a partial pressure sensor for measuring the partial pressure of a reactant in a reactant stream. The partial pressure... |
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US20140326046 |
GAS TREATMENT DEVICE AND MEDICAL EQUIPMENT USING THE SAME
Provided are gas treatment devices and medical equipment thereof. The gas treatment device can include at least a first gas monitoring module and a second gas monitoring module, a master control... |
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US20150107338 |
Pressure Measurement Device and Method
Disclosed is a device and method for measuring pressure inside a deformable vessel containing a compressible gas, by the transfer of pressure inside the vessel to a primarily rigid chamber... |
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US20120247185 |
COMBINATION OF HYDROGEN AND PRESSURE SENSORS
The invention provides a sensor assembly for determining the concentration of hydrogen in an insulating fluid in electric power generation, transmission, and distribution equipment. The assembly... |
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US20080233010 |
Testing Hydrogen Flux Through Solid and Liquid Barrier Materials
Apparatus and methods for testing the hydrogen-gas compatibilities, hydrogen-gas embrittlement susceptibilities, hydrogen-gas containment performances, and/or the hydrogen-gas pressure-cycling... |
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US20100110437 |
GAS ANALYZER
Gas analyzer systems and methods for measuring concentrations of gasses and in particular dry mole fraction of components of a gas. The systems and method allow for rapid measurement of the gas... |
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US20080067146 |
Plasma processing apparatus, method for detecting abnormality of plasma processing apparatus and plasma processing method
The plasma processing apparatus relating to the present invention is provided with a process chamber, a pressure measuring unit for measuring the pressure inside of the process chamber and a pump... |
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US20100154510 |
METHOD FOR SENSING GAS COMPOSITION AND PRESSURE
A method for sensing gas composition and gas pressure, based on the thermal constants of a variable electrical resistor, is presented. The method for sensing gas composition and pressure includes... |
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US20140130575 |
METHOD AND APPARATUS FOR ELECTRICALLY INDICATING A GAS CHARACTERISTIC
An apparatus for generating a signal representing one of the density and the pressure of gas within a high voltage circuit breaker based on a dial position of a pressure switch includes a clip... |
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US20140260544 |
METHOD AND APPARATUS FOR MEASURING PRESSURE IN A PHYSICAL VAPOR DEPOSITION CHAMBER
A method and apparatus for physical vapor deposition are provided herein. In some embodiments, an apparatus for measuring pressure of a substrate processing chamber may include a shield having an... |
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US20110232367 |
FLUID STORAGE AND DISPENSING SYSTEM INCLUDING DYNAMIC FLUID MONITORING OF FLUID STORAGE AND DISPENSING VESSEL
A monitoring system for monitoring fluid in a fluid supply vessel during operation including dispensing of fluid from the fluid supply vessel. The monitoring system includes (i) one or more... |
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US20130219993 |
HIGH-THROUGHPUT MODULAR HYDROGEN STORAGE ENGINEERING PROPERTIES ANALYZER
A cover, sample tray and base may form a hydrogen storage engineering properties analyzer. In at least one embodiment, the sample tray includes a plurality of cooling fins, each of which includes... |
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US20130213117 |
APPARATUS FOR GAS SORPTION MEASUREMENT WITH INTEGRATED GAS COMPOSITION MEASUREMENT DEVICE AND GAS MIXING
An apparatus for testing of multiple material samples includes a gas delivery control system operatively connectable to the multiple material samples and configured to provide gas to the multiple... |
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US20110247395 |
APPARATUS FOR COLLECTING GAS SAMPLE IN FOAM, AND ANALYSIS METHOD USING THE SAME
Provided are an apparatus for collecting gas samples in a foam and an analysis method using the same, and more particularly, to an apparatus for collecting gas samples in a foam in which the foam... |
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US20100212402 |
Method and apparatus for precision non-destructive non-contact control of super small differences of pressure
Method and apparatus for precision non-destructive non-contact control of super small differences of pressure, which is used for non-destructive control of tightness of various products regardless... |
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US20100116027 |
PRESSURIZED DETECTORS SUBSTANCE ANALYZER
A method to measure the concentration of a constituent element in a gas sample contained in an analyzer. A sample cell of a detector has an inlet and an outlet. The outlet of the sample cell is... |
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US20170168036 |
SYSTEM AND METHOD FOR DETERMINING A CONCENTRATION OF A CONSTITUENT GAS IN A GAS STREAM USING PRESSURE MEASUREMENTS
Systems and methods for determining a concentration of a constituent gas in a gas stream using pressure measurements are disclosed. A method may include a vaporizer receiving a carrier gas and a... |
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US20170160157 |
LOW POWER SENSOR FOR NON-REACTIVE GASES
Systems, devices, and methods are provided for detecting and measuring the concentration of non-reactive gases in a given environment, without having to increase the reactivity of the non-reactive... |
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US20170045433 |
Parallel Dipole Line Trap Viscometer and Pressure Gauge
Techniques for gas analysis using a parallel dipole line (PDL) trap viscometer are provided. In one aspect, a gas analysis system is provided which includes: a PDL trap including: a pair of... |
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US20160274014 |
APPARATUS AND METHOD FOR MATERIAL TESTING
A test fixture for testing a flat sample of a material is disclosed. The test fixture having a test vessel for a fluid selected to test the desired properties of the material. The test fixture... |
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US20160223418 |
Method of and Apparatus for Measuring Vacuum Pressure
Vacuum pressure of a gas in a compartment (1) is measured. The vacuum pressure is established by a pump arrangement (3,5) with a pulsating pumping effect (g(t)). The shape of the resulting... |