Matches 1 - 50 out of 58 1 2 >


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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...
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...
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...
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...
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...
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...
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,...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...

Matches 1 - 50 out of 58 1 2 >