Entries |
Document | Title | Date |
20080209982 | ROBUST HIGH TEMPERATURE COMPOSITE AND CO SENSOR MADE FROM SUCH COMPOSITE - Described herein is a composite exhibiting a change in electrical resistance proportional to the concentration of a reducing gas present in a gas mixture, detector and sensor devices comprising the composite, a method for making the composite and for making devices comprising the composite, and a process for detecting and measuring a reducing gas in an atmosphere. In particular, the reducing gas may be carbon monoxide and the composite may comprise rutile-phase TiO | 09-04-2008 |
20080223109 | Gas Concentration Measuring Method, Program and Apparatus With Determination of Erroneous Detection - In a wave number region of measurement of a gas to be measured, an absorbance of the gas is found to calculate a concentration thereof, and the concentration is compared with a threshold value (FIG. | 09-18-2008 |
20080236245 | Contaminant scanning system - A method of inspecting a cargo container for chemical or biological materials, comprising: providing a vapor collection unit in the container, allowing vapors to be collected from the container into the collection unit, removing vapors collected in the vapor collection unit from the container through a port of the container, not primarily used for loading or removing cargo from the container, and analyzing the vapors collected by the vapor collection unit for traces of one or more particulates. | 10-02-2008 |
20080276685 | TRANSPORT POD INTERFACE - The invention pertains to a transport pod interface including a sampling probe intended to be connected to a gas analyzer and an actuator that can couple with an access door on the transport pod in the coupling position, and that can move said door towards the base of the interface in an retracted position in which the volume of gas to be analyzed contained within the transport pod can be accessed by the sampling probe, characterized in that it includes at least one sealing joint configured so as to ensure that at least when the interface is in the retracted position, the space between the actuator and said base is sealed in such a way as to isolate the volume of gas to be analyzed. | 11-13-2008 |
20090095051 | APPARATUS WITH GAS SENSOR - An apparatus includes a gas sensor configured to detect a specific gas which is a subject for detection, and inspection gas introduction piping configured to lead an inspection gas to the gas sensor, wherein at least a portion of the inspection gas introduction piping serves as ventilating piping configured to ventilate an inside of a ventilation-requiring device. | 04-16-2009 |
20090100905 | Process for Treating Perfluorides - According to a process for treating perfluorides in which a perfluoride treatment undertaker carries out decomposition treatment of perfluorides discharged from a manufacturing plant by using a perfluoride treating apparatus connected to said manufacturing plant, and the cost of treatment of perfluorides calculated according to the amount of perfluorides treated by said perfluoride treating apparatus is communicated to the owner of said manufacturing plant, it is possible to reduce the cost required for the decomposition treatment of perfluorides which cost is to be defrayed by the product manufacturer. | 04-23-2009 |
20090107212 | Process field instrument with integrated sensor unit and related system and method - A sensor is integrated with a field instrument in a process control system. For example, the sensor can be at least partially housed in a housing of the field instrument. The sensor could also receive operating power from a power source in the field instrument. The sensor could further communicate using a wired interface and/or a wireless interface of the field instrument. Multiplexing techniques could be used to allow normal communications for the field instrument and information associated with the sensor. For instance, field instrument data and sensor data could be transmitted over different interfaces or multiplexed in time for communication over a single interface. Sensor data could also be included as at least one diagnostic or configuration variable along with the field instrument data. The field instrument could represent a gas meter associated with a gas distribution network, and the sensor could represent a gas sensor. | 04-30-2009 |
20090139304 | OXYGEN DEPLETION SENSOR - In certain embodiments, an apparatus includes an oxygen depletion sensor (ODS) includes a thermocouple, a first nozzle configured to direct heat from combustion of a first gas, liquid, or combination thereof to the thermocouple, a second nozzle configured to direct heat from combustion of a second gas, liquid, or combination thereof to the thermocouple, and a first igniter. | 06-04-2009 |
20090151424 | Structure of a detecting and measuring device - A detecting and measuring device includes a base member, a circuit board secured on the base member, and a covering member secured on the base member to cover the circuit board; the circuit board has a detecting and measuring component fitted on a middle portion thereof; the detecting and measuring component is easily replaceable, and it is used to detect and measure oxygen concentration and other data; a power supply and a wireless communication module are connected to the detecting and measuring component; in use, the detecting and measuring component will continue detecting and measuring oxygen concentration and other data in the surroundings, and the wireless communication module will continue transferring the data obtained through the detecting and measuring component so that a person can receive the data by means of internet in other places or with a wireless communication device such as a cellular phone at a distance away. | 06-18-2009 |
20090199619 | Metal oxide membrane with a gas-selective compound - The invention relates to a gas permeable membrane for the optical measurement of the partial pressure and/or the concentration of a gas species, the membrane comprises a porous light-transmissible membrane matrix containing a metal oxide wherein the membrane matrix is at least partially charged with at least one gas-selective compound whose optical characteristics change upon an interaction with a corresponding gas species. The average pore diameter of the pores of the membrane matrix ranges from 1 to 50 nanometers, the total pore volume from 1 to 30 mL/m2 and the metal oxide is pseudo-boehmite with the general formula AI | 08-13-2009 |
20090217734 | Valve assembly - A valve assembly includes a valve body having an inlet port and an outlet port, the valve body also having a valve chamber extending between the inlet port and the outlet port, a pair of seals each being located on opposing ends of the valve chamber; and a reciprocating piston extending into the valve chamber and movable between a closed position extending through the pair of seals and an open position extending only through one of the pair of seals, wherein the inlet port is fluidly connected with the outlet port when the piston is in the open position. A method of using the valve assembly is also disclosed. | 09-03-2009 |
20090260417 | METHODS AND SYSTEMS FOR ANALYZING A VOLUME OF GAS - One embodiment relates to a method for determining a concentration of a molecular species of interest. In this method, electromagnetic radiation is transmitted into a volume of gas within an output exhaust system. The transmitted electromagnetic radiation has a first intensity at a characteristic frequency that is associated with a transition of the molecular species of interest. Electromagnetic radiation is then received from the volume of gas at a second intensity. The method then correlates the first intensity to the second intensity to determine the concentration of the molecular species of interest within the volume of gas. Other methods and systems are also disclosed. | 10-22-2009 |
20090301169 | SELECTIVE MEMBRANES/THIN FILMS FOR ANALYTICAL APPLICATIONS - Disclosed herein is a composition having: a polymer having a carbosilane or siloxane backbone and pendant hydrogen-bond acidic groups; and a filler material having polar groups. The polymer is not covalently bound to the filler material. | 12-10-2009 |
20090308135 | METHOD FOR DETERMINING THE TEMPERATURE OF A MEASUREMENT SENSOR - A method for determining the temperature of a measurement sensor for determining an oxygen concentration in gas mixtures, in particular in exhaust gases of internal combustion engines, wherein a detection voltage which corresponds to the oxygen concentration and is provided by a Nernst measuring cell is evaluated, and the measurement sensor is regulated to an operating temperature using a heating device, is characterized in that the internal resistance of the Nernst measuring cell is determined in a first temperature range and is used to infer the temperature of the Nernst measuring cell, and in that the internal resistance of the heating device is determined in a second temperature range and is used to infer the temperature of the Nernst measuring cell. | 12-17-2009 |
20100005854 | Gas Analyzing System, Lithographic Apparatus and Method of Improving a Sensitivity of a Gas Analyzing System - A gas analyzing system is disclosed, the system including a gas analyzer and a reduced pressure chamber in which interior the gas analyzer is arranged, the reduced pressure chamber having an inlet configuration for a gas mixture inflow and an outlet configuration for a gas mixture outflow, wherein the outlet configuration during operation is connected to a pump system to facilitate the gas mixture outflow, the outlet configuration having a channel section and a flow section, the flow section having a cross-sectional area that is smaller than the cross-sectional area of the channel section. | 01-14-2010 |
20100064768 | ENHANCEMENT OF VAPOR DETECTION CAPABILITY - A vapor detection system adapted to detect vapor from an object at a remote distance therefrom, said vapor detection system comprising a heat source adapted to heat an upper surface of the object so as to increase evaporation and vapor concentrations of substances from the object. | 03-18-2010 |
20100095740 | DETERMINING PHYSICAL PROPERTIES OF STRUCTURAL MEMBERS IN MULTI-PATH CLUTTER ENVIRONMENTS - A method for determining a physical property of an object in a multi-path clutter environment comprises transmitting an RF interrogation signal to a wireless sensor physically coupled to the object or the fluid in the multi-path clutter environment, wherein the wireless sensor is operable to receive the RF interrogation signal, produce a reference signal and a measurement signal, and transmit the reference signal and the measurement signal in the multi-path clutter environment. The reference signal and measurement signal are delayed by the wireless sensor by an amount of time that may be a function of the unknown physical property. The method also comprises receiving the transmitted reference signal and the transmitted measurement signal and comparing them in the time domain in order to determine the unknown physical property of the object or the fluid. | 04-22-2010 |
20100186480 | METHOD AND APPARATUS FOR DETECTING FAULTS IN ELECTRICAL APPARATUS - A diagnostic device for use in the detection of a fault in an electrical apparatus, especially transformers that have electrical windings immersed in electrical insulating oil with a headspace above the oil. The device comprises a housing defining a chamber with a mouth adapted to receive a pressure relief valve on the oil tank. The device creates a fluid tight seal around the pressure relief valve and operates the pressure relief valve to extract a gas sample from the headspace into the chamber. The device may include a gas analyzer for analyzing the gas sample for the presence of acetylene, which is indicative of a fault in the apparatus. | 07-29-2010 |
20100218593 | SEMICONDUCTOR TRANDUCER AND ITS USE IN A SENSOR FOR DETECTING ELECTRON-DONOR OR ELECTRON-ACCEPTOR SPECIES - The invention relates to a semi-conductor transducer, and to the use thereof in an electron donor or electron acceptor space sensor. Said transducer consists of an insulating substrate on the surface of which two electrodes and a semiconductor sensitive element are provided. The sensitive element consists of a layer of a semiconductor molecular material M | 09-02-2010 |
20100251803 | DETECTABLE REFRIGERANT COMPOSITIONS AND USES THEREOF - Disclosed herein are detectable refrigerant compositions, comprising from about 0.001 to about 5 weight percent tracer compositions, which are useful to identify leaking in a vapor compression refrigeration and/or air conditioning system. The presence of the tracers make the refrigerant compositions detectable by chemo/electro-active array, corona discharge, heated diode, electrochemical, photoionization, infra red, ultrasonic and electron capture detectors. | 10-07-2010 |
20110056269 | Method for Determining the Oxygen Storage Capacity - During the measurement of the oxygen storage capacity of an oxygen storage system, which is assigned to a catalytic converter, a switchover operation from lean to rich exhaust gas or vice versa is effected. The measurement signals of a lambda probe are recorded; and an integral calculation is carried out over a time interval on the basis of the measurement values. Whereas in the past the start of the time interval was the point in time of the switchover operation, the present invention provides that the start of the second time interval is determined on the basis of the measurement signals of the second lambda probe i.e., the point in time is preferably fixed at the time at which these measurement values reach an extreme value. This design allows the oxygen storage capacity to be measured even if the lambda probe is not fully functioning totally correctly. | 03-10-2011 |
20110061442 | 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 gas flux measurement system, and estimating the kinetic volume, e.g., of such a system. | 03-17-2011 |
20110072882 | DETECTOR HOUSING - A duct detector housing includes a housing cover and a housing body defining a midline between the center of a detector and a printed circuit board within said body. Gas inlet and outlets are off axis of the midline to allow water that collects in conventional housing to drain from the housing. A maintenance mode button associated with a duct detector housing cover that is secured to a housing body of the housing provides a preselected time period during which removal of the cover is independent of a cover removal alarm. A printed circuit board within the housing has dedicated terminal blocks providing grouped connections with each of the groups segregated from another. An improved duct detector terminal has a hole in the terminal adapted to receive a test meter probe therethrough to provide an electrical contact between the wire. | 03-31-2011 |
20110219853 | Hollow Cone Degassing - A degassing system includes a vessel. A liquid inlet lets liquid into the vessel. A liquid outlet lets liquid out of the vessel. A liquid receiving chamber receives the liquid that enters the vessel through the liquid inlet. The liquid receiving chamber is open on one side. The degassing system further includes a motor having a shaft and a pump coupled to the shaft. The pump has the shape of a cone. The cone has an axis, a narrow end and a wide end. The pump is positioned so that its narrow end is inserted into the open side of the liquid receiving chamber and so that its wide end is close enough to a wall of the vessel so that fluid ejected from the wide end when the pump is spinning will strike the wall. The degassing system includes a gas outlet for releasing gas from the vessel. | 09-15-2011 |
20110239734 | GAS SENSOR - A gas sensor, including a cylindrical outer tube; and a seal member disposed therein, the seal member including: a lead wire insert hole and an atmosphere communication hole. The seal member has a groove extending outwards in a radial direction at a rear end-facing surface from the atmosphere communication hole while circumventing the lead wire insert hole, the groove having a cutout toward the front end of the seal member. The gas sensor further includes: a protection portion which covers the atmosphere communication hole; and an arm couples the protection portion and the outer tube, and extends in the radial direction, the arm being at least partially disposed in the groove of the seal member. and the arm is disposed so as to define a gap with the bottom surface of the groove. | 10-06-2011 |
20110265550 | MEASURING INSTRUMENT AND METHOD FOR DETECTING THE CONTENT OF OIL, HYDROCARBONS AND OXIDIZABLE GASES IN AIR OR COMPRESSED AIR - The invention relates to a measuring instrument and method for detecting the content of oil, hydrocarbons and oxidizable gases in air or compressed air. | 11-03-2011 |
20110283769 | LEAK DETECTION METHOD - In the leak detection method, it is provided that a specimen ( | 11-24-2011 |
20110302991 | THERMALLY INSULATING CERAMIC SUBSTRATES FOR GAS SENSORS - A gas sensor includes a substrate having a low thermal conductivity. Localized heating can be produced using a serpentined heater carried by the substrate. The low thermal conductivity of the substrate substantially confines the generated heat to a region local to the heater thereby reducing required power to operate the sensor. Multiple sensing elements can be deposited onto the substrate adjacent to respective heaters and relatively close together because of the thermal isolation provided by the substrate. In one embodiment, the sensor can include the ceramic substrate, the heater, catalytic material overlying the heater with a gas impermeable layer overlying, at least in part the catalytic material. | 12-15-2011 |
20120006091 | HEATING SYSTEM - A heating system can include certain pressure sensitive features. These features can be configured to change from a first position to a second position based on a pressure of a fuel flowing into the feature. These features can include, fuel selector valves, pressure regulators, burner nozzles, and oxygen depletion sensor nozzles, among other features. | 01-12-2012 |
20120073355 | GAS EXCHANGE SYSTEM FLOW CONFIGURATION - Active compensation designs to offset the impact of gas diffusion sources and sinks in a photosynthesis and transpiration measurement system are disclosed. A sensor head for use in a gas exchange analysis system includes an active, piezoelectric flow splitting device for splitting a flow between a sample chamber and bypass pathway. The active flow splitting device is controlled by feedback from a downstream flow meter. A continuous measurement system for rapidly and accurately surveying large numbers of samples is described. | 03-29-2012 |
20120085145 | SENSORS AND DEVICES CONTAINING ULTRA-SMALL NANOWIRE ARRAYS - A network of nanowires may be used for a sensor. The nanowires are metallic, each nanowire has a thickness of at most 20 nm, and each nanowire has a width of at most 20 nm. The sensor may include nanowires comprising Pd, and the sensor may sense a change in hydrogen concentration from 0 to 100%. A device may include the hydrogen sensor, such as a vehicle, a fuel cell, a hydrogen storage tank, a facility for manufacturing steel, or a facility for refining petroleum products. | 04-12-2012 |
20120118039 | GAS SENSOR - A gas sensor including a detecting element; and a protector having a tube portion surrounding the detecting portion, and a bottom portion the protector having a first opening disposed at the tube portion and a second opening at the bottom portion. The bottom portion includes first and second bottom wall portions, the second bottom wall portion protrudes toward the leading end side, and at least a part of the inner face thereof is located at the leading end side with respect to the outer face of the first bottom wall portion. The second opening is provided on a side opposite the inner space of the tube portion in a communication passage formed by the inner face of the second bottom wall portion, and an opening area of the second opening is larger than an area of the largest imaginary circle that can be placed inside the first opening. | 05-17-2012 |
20120174650 | Aerosol Collection Apparatus and Methods - The lifetime of aerosol monitoring, concentration and collection equipment is extended by acoustic cleaning of accreted particle deposits from internal surfaces where fouling occurs by application of acoustic energy to the particle accretion surface, optionally in combination with a liquid wash or sampling volume. In one application, acoustic cleaning or sampling of particle deposits for analysis is triggered by a signal indicating changes in gas flow associated with particle loading. In another application, electro-acoustic transducers may be used to prevent particle buildup without interruption of particle monitoring. | 07-12-2012 |
20120192617 | DETERMINING PHYSICAL PROPERTIES OF OBJECTS OR FLUIDS IN MULTI-PATH CLUTTER ENVIRONMENTS - A method for determining a physical property of an object or fluid in a dynamic multi-path clutter environment comprises transmitting an RF interrogation signal to a wireless sensor physically coupled to the object or fluid (gas or liquid) in the dynamic multi-path clutter environment, wherein the wireless sensor is operable to receive the RF interrogation signal, produce a reference signal and a measurement signal, and retransmit the reference signal and the measurement signal in the dynamic multi-path clutter environment. The reference signal and measurement signal are delayed by the wireless sensor by an amount of time that may be a function of the unknown physical property. The method also comprises receiving the retransmitted reference signal and the retransmitted measurement signal and comparing them in the time domain in order to determine the unknown physical property of the object or fluid. The method further comprises setting the time delays of the retransmitted reference and retransmitted measurement signals to be long enough for the ringdown time to be over but not so long so that the differential time is distorted by the dynamics of the system. | 08-02-2012 |
20120247179 | SENSOR HOUSING AND LATCHING MECHANISM FOR SENSOR HOUSING - A removable sensor housing for connection to a structure in a fluid system such as a quick connector body. The sensor housing removably attaches to a mating portion on the other structure. It includes a shaft inserted in a bore on the other structure with an interposed seal. An attachment mechanism is used to secure the sensor housing to the structure. Alternative mechanisms are disclosed. In certain forms, the sensor housing is configured to be positioned in fixed relation to the other structure. | 10-04-2012 |
20120247180 | DEVICE FOR THE SELECTIVE DETECTION OF BENZENE GAS, METHOD OF OBTAINING IT AND DETECTION OF THE GAS THEREWITH - Device for the selective detection of benzene gas, which comprises, on a base substrate, a combination of at least one functionalised multi- or single-wall carbon nanotube sensor decorated with rhodium clusters, and at least one functionalised multi- or single-wall carbon nanotube sensor decorated with metal clusters selected from gold, palladium, nickel and titanium, and/or undecorated, where said substrate additionally comprises means for measuring the variation in the resistance of said sensors. The device is useful at ambient temperature in the presence or absence of oxygen and easy to handle. It also relates to a method for the manufacturing thereof and for detecting the gas in the chemical industry, the petrochemical industry, petrol stations, or household, aeronautical or research applications. | 10-04-2012 |
20120272712 | Pressure Activated Sampling System - Screening of items for the presence of contaminants, such as explosives residue, is accomplished by subjecting an item loaded into a pressure chamber to a pressure substantially in excess of atmospheric pressure conditions and rapidly decompressing the item to the ambient atmospheric pressure. The rapid decompression serves to scavenge vapors and particles from the exterior and interior of the item and any objects it contains. A sample of the vapors and particles removed from the item by the rapid decompression is sampled and is tested to determine whether a predetermined contaminant is present in the sample. Depending on the types of contaminants for which the sample is tested, it is possible to detect whether explosives, biological or chemical agents, and/or narcotics residues are present on or in the item being screened. | 11-01-2012 |
20120304735 | GAS SENSOR - Provided is a gas sensor in which a connection terminal can be favorably fitted onto a cylindrical sensor element without causing a breakage of the connection terminal. An oxygen sensor ( | 12-06-2012 |
20130008228 | VARIABLE GAS SOURCE GAS EXCHANGE SYSTEM - A gas measurement system is provided that includes a mechanism for customizing gas supplied to the system. The system further includes a plurality of test locations that can be serviced by a common vessel portion and common sampling and testing infrastructure. The system further includes a controller that is able to control the customization of the supply gas and the location of the common vessel portion. | 01-10-2013 |
20130047701 | Combined Acoustic Excitation and Standoff Chemical Sensing for the Remote Detection of Buried Explosive Charges - In representative embodiments, a system includes an acoustic emitter, a controller, an optical sensor, and an indicator for indicating a detection of a predetermined trace chemical vapor by the optical sensor. The acoustic emitter is positioned at a predetermined distance above the ground surface and configured to project a beam of acoustic energy toward the ground surface with a variable angle of incidence α. The controller is configured to control the acoustic emitter to vary the angle of incidence of the acoustic beam within the variable angle of incidence α, while the optical sensor is configured for standoff sensing of a trace chemical vapor proximate the ground surface. Excitation of the ground surface, particularly at a critical angle of incidence β, causes the release of trace chemical vapors from a buried source and the soil into the air above the buried source. | 02-28-2013 |
20130061655 | SYSTEMS AND METHODS FOR GETTERING AN ATOMIC SENSOR - Embodiments of the present invention provide improved systems and methods for providing an atomic sensor device. In one embodiment, the device comprises a sensor body, the sensor body enclosing an atomic sensor, wherein the sensor body contains a gas evacuation site located on the sensor body, the gas evacuation site configured to connect to a gas evacuation device. The device also comprises a getter container coupled to an opening in the sensor body, an opening in the getter container coupled to an opening in the sensor body, such that gas within the sensor body can freely enter the getter container. The device further comprises an evaporable getter enclosed within the getter container, the evaporable getter facing away from the sensor body. | 03-14-2013 |
20130067987 | High sensitivity artificial olfactory system and it's uses - High Sensitivity Artificial Olfactory System provide for users an easy way to efficiently detect, identify and track any material(s), plant(s), animal(s), or even person(s), based on the odour properties of these. | 03-21-2013 |
20130111974 | GAS SENSOR AND METHOD FOR PRODUCING THE SAME - The invention relates to a gas sensor for detecting gas in the air, especially formaldehyde. The sensor comprises at least one gas-sensitive zone which is preferably a layer on a substrate and which contains the ternary compound In | 05-09-2013 |
20130145818 | SENSOR UNIT UTILIZING A CLAMPING MECHANISM - A sensor unit for attachment to a container such as a bag or other vessel used to retain material includes a clamping mechanism for attaching the sensor unit to the container. The clamping mechanism may be configured to break or provide an indication that the connection between the sensor and container has broken that is visually detectable before a leak of material occurs or is detectable by a person visually monitoring the container or sensor. Such an indication can also indicate that the sensor was previously used and should not be used again for single use applications. Such a visual indicator is separate and different from seeing an actual leak and permits an event that may desterilize material within the container or lead to other problems to be corrected prior to use of a single use reaction system. | 06-13-2013 |
20130145819 | APPARATUS AND METHOD FOR OBTAINING GASEOUS HYDROGEN CONCENTRATIONS IN A MECHANICAL VACUUM PUMP GAS STREAM OF A BWR - An apparatus adapted to measure gaseous hydrogen concentrations in a mechanical vacuum pump (MVP) gas stream includes connection ports adapted to allow the apparatus to be connected to an MVP system and allow a gas stream sample to be taken from the MVP gas stream. The apparatus further includes a hydrogen concentration analyzer to measure H | 06-13-2013 |
20130174640 | POD HAVING TOP COVER APERTURE FOR DETECTING SURROUNDING GAS WITHIN THE POD - A storage Pod for semiconductor substrates includes a top cover formed from a non-air permeable (NAP) material having faces including a top and a plurality of sides. A bottom base plate has a locking structure configured for providing a locking position for locking the sides, and for providing an unlocked position where the sides are detached from the bottom base plate. The top cover includes at least one aperture in the NAP material for allowing surrounding gases in an environment around the storage Pod to flow into the storage Pod to permit a gas sensor within the storage Pod to sense the target gas. | 07-11-2013 |
20130205870 | GAS SENSOR CONTROL APPARATUS - A gas sensor control apparatus ( | 08-15-2013 |
20130263644 | SAMPLING METHOD FOR USE IN ODOR MEASUREMENT - There are provided methods for detecting at least one odor in a gas sample. For example, such a method can comprise passing a gas sample into a thermal conditioning chamber or unit so as to control the temperature of the gas sample; dividing the gas sample into a plurality of portions and contacting each of the portions together with a different gas sensor. There is also provided an apparatus for detecting an odor that comprises a thermal conditioning unit adapted to control the temperature of a gas sample; a divider adapted to divide the gas sample into a plurality of gas portions; and a plurality of gas sensors disposed adjacently to the divider, each of the sensors being adapted to receive a portion of the gas sample in order to analyze it. | 10-10-2013 |
20130291622 | GAS FLUX MEASUREMENT SYSTEM AND METHOD - A gas flux measurement system comprises gas collection means, operable to collect gas for analysis, and gas analysing means, operable to analyse the collected gas. The gas collection means has at least one elongate tube. The, or each, tube has one or more gas collection openings to provide gaseous communication from outside of the tube to the inside of the tube. | 11-07-2013 |
20130298637 | ANGLE CONNECTOR FOR CONNECTING A FLUID SENSOR TO A FLUID LINE - An angle connector for the connection of a fluid sensor connecting piece of a fluid sensor to a fluid line, with a line connection for connecting the fluid line and a connecting sleeve for holding of the fluid sensor connecting piece with positive locking. | 11-14-2013 |
20130305807 | GAS DETECTOR TEST SYSTEM AND APPARATUS - A gas detector test system is provided. The gas detector test system includes a test apparatus and a control apparatus. The test apparatus includes a housing, a baffle, an elastic device, a gas discharger, and a gas sensor. The housing defines an inner space communicating with an opening. The elastic device pushes the baffle disposed in the inner space toward the opening, thereby sealing the opening. The baffle can be moved against the opening to form an interval between the baffle and the opening. The gas sensor produces a gas parameter signal according to a gas detected in the inner space. The control apparatus controls the gas discharger of the test apparatus to discharge gas according to a control signal, and displays the information of the gas according to the gas parameter signal. The disclosure further provides a gas detector test apparatus. | 11-21-2013 |
20130312485 | GAS SENSOR - A thin plate member which has a groove portion recessed toward the inside in a radial direction with a gap interposed between the thin plate member and the outer surface of a site on the front end side of a main body section. At least one end of the thin plate member is joined to the outer surface of the main body section and is provided radially outside the site on the front end side of the main body section. A seal member is disposed in the groove portion and has elasticity due to resin. Since the gap functions as a heat-insulating layer and is interposed between the seal member and the main body section, heat conduction from the main body section, that is, heat conduction through a first pathway is reduced, and thus deterioration of the seal member due to heat is suppressed. | 11-28-2013 |
20130327121 | GAS SENSOR - A protector has a two-stage structure that includes a large-diameter portion and a small-diameter portion. The large-diameter portion includes a cylindrical first peripheral wall and a first front end wall. The small-diameter portion includes a cylindrical second peripheral wall connected to the first front end wall and a second front end wall connected to a front end portion of the second peripheral wall. Opening portions are not formed in the first and second peripheral walls. First opening portions, which are opened toward only first recessed portions and an inner surface of the first peripheral wall, are formed at the first front end wall. A second recessed portion and second opening portions, which are formed in the second recessed portion and are opened toward an inner surface of the second peripheral wall, are formed in the second front end wall. | 12-12-2013 |
20130340499 | Product Dispensing System - A flow sensor includes a fluid chamber configured to receive a fluid. A diaphragm assembly is configured to be displaced whenever the fluid within the fluid chamber is displaced. A transducer assembly is configured to monitor the displacement of the diaphragm assembly and generate a signal based, at least in part, upon the quantity of fluid displaced within the fluid chamber. | 12-26-2013 |
20140020446 | GAS SENSOR - A gas sensor ( | 01-23-2014 |
20140026636 | SYSTEM AND METHOD FOR CONTAMINANT DETECTION IN FLUID STREAMS - A contaminant detection system has a fluid path. A meter and a plurality of fluid conduits are disposed along the fluid path. The meter is configured to detect an operating parameter of a fluid. The plurality of fluid conduits forms a plurality of intermediate fluid paths. Each fluid conduit has a restriction orifice (RO), an inlet control valve, and an outlet control valve. In addition, the plurality of fluid conduits has a control line and an exposed line. The control line is configured to be isolated from the fluid for a time period. The exposed line is configured to be exposed to the fluid for the time period. The system is configured to determine a contaminant concentration of the fluid at least in part using the operating parameter and the time period. | 01-30-2014 |
20140109648 | Operating Method for a Gas Sensor and Gas Sensor - The disclosure relates to an operating method for a gas sensor, in particular a gas sensor for detecting asthma. According to said method, nitrogen monoxide or nitrogen dioxide is detected in a measuring phase and the gas sensor is heated by a heating device in a desorption phase in order to accelerate desorption. The heating process is continued until the temporal alteration of the measuring signal of the gas sensor falls below a threshold value. | 04-24-2014 |
20140157863 | VACUUM CHAMBER MEASUREMENT USING RESIDUAL GAS ANALYZER - A method of measuring an atmosphere in a guest vacuum chamber of a vacuum tool includes measuring a first composition of the atmosphere in the host vacuum chamber using a residual gas analyzer (RGA). The host and guest vacuum chambers are not coupled during the measuring of the first composition. The host vacuum chamber is coupled to the guest vacuum chamber, so the atmospheres in each can mix in the host vacuum chamber. A second composition of the atmosphere in the host vacuum chamber is measured using the RGA after the chambers are coupled. Using a processor, a composition of the guest atmosphere is automatically determined using the measured first and second compositions. A vacuum tool can include the host and guest chambers, the valve, the RGA, and a processor configured to control the valve to carry out this or other methods. | 06-12-2014 |
20140157864 | GAS SENSOR - A gas sensor instrument comprises a housing formed of two parts ( | 06-12-2014 |
20140174150 | LEAK DETECTION METHOD OF BATTERY MODULE AND THE BATTERY MODULE - [OBJECT] An object is to inspect leak of a film-sheathed battery | 06-26-2014 |
20140216129 | PORTABLE SENSOR DEVICE WITH A GAS SENSOR AND LOW-POWER MODE - A mobile device comprises a CPU operating a display and other user interface circuitry. Further, it comprises a gas sensor as well as a sensor hub connecting the gas sensor and other sensors to the CPU. In order to save power, the device can be brought into a low-power operating mode, where the CPU is idling or switched-off and the gas sensor itself has a low-power and a high-power operating mode. However, even in this low-power operating mode, the sensor hub still monitors for changes of the signal from the gas sensor and wakes the device up if such a change is detected. | 08-07-2014 |
20140238105 | DEVICE FOR DETECTING EVAPORATION SOURCE AND METHOD FOR APPLYING THE SAME - The present disclosure relates to a process for manufacturing Organic Light-Emitting Diode (OLED) display panel, and in particular to a device and a method for detecting evaporation source. Through installing a mobile detector above a linear evaporation source, the vapor-deposition rate of the whole linear can be timely and effectively detected. The feedback of uniformity of vapor-deposition can be effectively given, and at the same time the abnormity of the vapor-deposition can be found. Meanwhile, in order to increase the yield and quality of product as well as prevent the evaporation source pollution caused by the dropping of some defects such as organic material or dust, the mobile detector is locked in one side of the evaporation source when it does not work. | 08-28-2014 |
20140238106 | ATTACHED MATTER TESTING DEVICE AND TESTING METHOD - Provided is a technique to identify a sample substance attached to an inspection target easily and precisely, while improving the rate of operation and reducing the number of persons required for inspection. A trace detecting system includes detection means to detect the size (vertical and horizontal dimensions) of an inspection target, and selects an air nozzle capable of spraying air jet at 15 m/s or more to the surface of the inspection target for air jet spraying. | 08-28-2014 |
20140260530 | APPARATUS AND METHODS FOR MEASURING CONCENTRATIONS - A probe for measuring an agent in gas and liquid form comprising: a body including an inner chamber and comprised of a porous material; and a heating element in thermal communication with the porous material. | 09-18-2014 |
20140260531 | GAS SENSOR - A gas sensor includes a sensor element having electrode take-out portions; a tubular separator having a flange portion, surrounding the electrode take-out portions, and spaced from a metallic shell; a tubular outer sleeve covering the separator, connected to the metallic shell, and having an inward convex portion that contacts the rearward-facing surface of the separator and restricts rearward movement of the separator; a seal member disposed on the rear of the separator and accommodated in a rear portion of the outer sleeve such that it is spaced from the separator; and an annular retainer fixed to the outer sleeve and in contact with a contact surface which forms at least a portion of the forward-facing surface of the flange portion. The separator has a rotation restriction surface for restricting its rotation in the circumferential direction, and the retainer has an engagement surface which contacts the rotation restriction surface. | 09-18-2014 |
20140283580 | METHOD AND SYSTEM FOR ANALYZING A GASEOUS FLUID COMPRISING AT LEAST ONE RARE GAS BY MEANS OF A GETTERIZING SUBSTRATE - The invention relates to a method and a system for analyzing rare gases present in a gaseous fluid ( | 09-25-2014 |
20140290333 | GAS SENSOR - An outer tube and a rubber plug are swaged at two sites, a first swaged section located on the side of connections between contact fittings of a connector and leads and a swaged section located closer to an open end of the outer tube than the first swaged section, such that the inside diameter of a portion of the outer tube is greater than the inside diameter. This prevents reduction of the detection accuracy of a gas sensor because sealing properties can be enhanced by heavily swaging at the second swaged section than the first swaged section. Additionally, excessive force can be prevented on the connections and the leads by lightly swaging the first swaged section rather than the second swaged section. Thus, the disconnection between the connector and the leads can be prevented. | 10-02-2014 |
20140290334 | MEASUREMENT DEVICE AND METHOD FOR DETECTING THE HYDROCARBON CONTENT IN GASES - A measurement device and method for detecting the hydrocarbon content in gases includes: devices for subdividing an original gas stream into first and second measuring gas streams; first and reference gas units for producing first and second reference gas streams from a substream of the first and second measuring gas streams, respectively; two sensors for determining the content of hydrocarbon in the two measuring gas streams and generating a corresponding measurement results; and an evaluation unit for evaluating the measurement results of the two sensors. The first sensor is alternately fed the first measuring gas stream or the reference gas stream prepared by the first reference unit, and the second sensor is alternately fed the second measuring gas stream or the second reference gas stream prepared by the second reference gas unit. Because the two cycles are time-offset, a measurement value is continuously available. | 10-02-2014 |
20140305188 | GAS SENSOR - A protector ( | 10-16-2014 |
20140311211 | GAS SENSING DRIFT COMPENSATION USING GAS SELF-REFERENCING FOR END OF SERVICE LIFE INDICATION FOR RESPIRATORS - Embodiments relate generally to systems and methods for determining end of service life for a respirator cartridge by comparing the gas levels sensed at two or more sample points within the cartridge. Sample streams may run from the sample points to a gas sensor, wherein a valve may control the flow between the sample streams and the gas sensor. | 10-23-2014 |
20140311212 | GAS SENSOR WITH HEAT SHIELDING - A gas sensor includes a gas sensing element positioned at least partially within a body and exposed at a first end to measure a gas in contact with the first end. The gas sensing element defines an axial direction. A flange extends from the body in a direction transverse to the axial direction. The flange has a first side facing toward the first end and a second side facing toward a remote end of the gas sensor. An O-ring is configured to sealingly position the gas sensor within a bore. An insertion portion of the gas sensor is defined by a wall and configured to hold the O-ring. The wall of the insertion portion is spaced a distance from the body at an axial position of the O-ring to provide a gap therebetween. | 10-23-2014 |
20140311213 | Composite Gas Sampling System - A sampling system for collecting periodic composite and/or non-composite samples of vaporized gas during a transfer process from a vaporizer of a cryogenic hydrocarbon liquid including 1) a direct sample pathway to a gas analyzer for instantaneous, real-time vaporized gas analysis, 2) a speed loop pathway for directly collecting fresh vaporized gas samples for subsequent analysis, and 3) a composite sample pathway including a pressurized sample accumulator for collecting a plurality periodically obtained samples of a select volume during the transfer process to create a composite sample of the vaporized gas. | 10-23-2014 |
20140318215 | SENSOR FOR LIQUID AND/OR GAS ANALYSIS DIRECTLY CONNECTABLE TO A HIGHER-RANKING CONTROL SYSTEM - A sensor of the type for liquid and/or gas analysis, which is connected to a measuring and/or evaluating system or, respectively, to a higher-ranking control system and has a sensor housing. The circuit for the collecting, processing and transmitting measured values to the measuring and/or evaluating system or to the control system ( | 10-30-2014 |
20140326041 | MEDICAL EQUIPMENT FOR GAS MONITORING - Provided is medical equipment for gas monitoring having a gas treatment system, including a first gas monitoring module and an integrated gas circuit board. A first gas circuit that may be a through passage with both inlet and outlet can be arranged inside the integrated gas circuit board. A gas outlet, at least one gas inlet and at least one monitoring interface can be arranged on a surface of the integrated gas circuit board. The gas inlet may include a first gas inlet, and the first gas inlet and the gas outlet can communicate with two ends of the first gas circuit. The monitoring interface may include a first monitoring interface for communication between the first gas circuit and the first gas monitoring module, and an internal gas inlet interface and an internal gas outlet interface for communication between the first gas circuit and a second internal gas monitoring module. | 11-06-2014 |
20140366608 | SYSTEMS AND METHODS FOR IMPLEMENTING ADVANCED AGENT MONITORING USING A HEATED VAPORIZER INLET APPARATUS - A system and method are provided for implementing an advanced monitoring scheme to detect a localized presence of particular target substances, including toxic chemical agents, in a space, and particularly for detecting and monitoring a presence of chemical agents that are absorbed into porous or semi-porous products and surfaces in the space when it is determined that potential chemical agent exposure has occurred. A heated vaporizer inlet apparatus provides a sensor source that is optimized for the detection of less volatile chemical agents, and particular less volatile chemical agents, that have been absorbed by materials with porous compositions or surfaces. The heated vaporizer inlet apparatus is used for heating architectural surfaces that were exposed to chemical agents in an effort to substantially increase a vapor pressure of a target substance disposed on or absorbed in a particular target surface. | 12-18-2014 |
20150007636 | Measuring Arrangement - A measuring arrangement, which includes: a sensor, wherein the sensor is embodied to produce a measurement signal correlated with a measured variable, a first interface, an evaluation circuit least one computer system and a memory associated with the computer system, as well as a third interface, especially a third interface embodied as a fieldbus interface, a first superordinated data processing system, with which the evaluation circuit is connected via the third interface, wherein in the memory associated with the computer system of the evaluation circuit a computer program executable by the computer system is stored, wherein the computer program serves for additional processing of the measurement signal as well as serving for transmission of the further processed measurement signal via the third interface to the first superordinated data processing system; and a second superordinated data processing system connected wirelessly, especially via a radio connection, with the evaluation circuit. | 01-08-2015 |
20150020573 | IMPACT ABSORBING FOAM - This invention relates to impact absorbing foams. These foams comprise a polymeric foam and ceramic particulates dispersing the foam. These foams have numerous uses, including, for example, as interior pads for football helmets, and the like, for reducing head injuries. | 01-22-2015 |
20150027202 | RECOVERY OF Xe AND OTHER HIGH VALUE COMPOUNDS - A system and method for recovering high value gas from a process stream, material or environment containing same, e.g., xenon by contacting gas from the process stream, material or environment with a carbon adsorbent effective to sorptively capture same, free of or with reduced concentration of fluid species present with the high value gas in the high value gas-containing gas in the process stream, material or environment. Other aspects of the disclosure include a radon detection method and product. | 01-29-2015 |
20150052973 | GAS SENSOR - A protector ( | 02-26-2015 |
20150068276 | APPARATUS AND METHOD OF PREPARING REFERENCE SOLUTION - The present invention relates to an apparatus and method of preparing a reference solution of a gaseous substance necessary for calibration of various measuring instruments used in measurement of the gaseous substance, such as radon (Rn-220) or a volatile substance, contained in seawater, subsurface water, surface water or the like. An apparatus of preparing a reference solution according to the present invention includes a gas component detector having two ports and configured to measure a concentration of a predetermined gaseous substance; a gas vessel having two ports and configured to accommodate the predetermined gaseous substance; a reference solution preparation vessel having two ports and configured to accommodate a predetermined liquid substance; pipe lines connecting the ports of the gas component detector, the gas vessel and the reference solution preparation vessel; and valves installed on the pipe lines. | 03-12-2015 |
20150068277 | GAS EXCHANGE SYSTEM FLOW CONFIGURATION - Active compensation designs to offset the impact of gas diffusion sources and sinks in a photosynthesis and transpiration measurement system are disclosed. A sensor head for use in a gas exchange analysis system includes an active, piezoelectric flow splitting device for splitting a flow between a sample chamber and bypass pathway. The active flow splitting device is controlled by feedback from a downstream flow meter. A continuous measurement system for rapidly and accurately surveying large numbers of samples is described. | 03-12-2015 |
20150101392 | APPARATUS AND METHOD FOR FAST SAMPLING AND MEASUREMENT - Sampling systems for use on production lines with the capability to measure chemical components of a gas, vapor, or liquid sample taken from a product on the line and at a faster rate than the individual sensors alone are capable of. In one embodiment, the system detects the presence of insoluble hydrocarbons in the gas vapor present inside refillable water bottles that have been returned by the consumer. Each sampling system—apparatus—comprises two or more sub-systems each comprising: one or more sensors for performing a measurement of interest on a gas, vapor, or liquid sample, valves and a pump for directing the flow of samples, optionally an enclosed volume to hold the sample, and all under the direction of a control system. The sampling system also automatically acts on the measurement to detect when defective goods have reached a point where they can be ejected from the production line. | 04-16-2015 |
20150121992 | SENSORS AND DEVICES CONTAINING ULTRA-SMALL NANOWIRE ARRAYS - A network of nanowires may be used for a sensor. The nanowires are metallic, each nanowire has a thickness of at most 20 nm, and each nanowire has a width of at most 20 nm. The sensor may include nanowires comprising Pd, and the sensor may sense a change in hydrogen concentration from 0 to 100%. A device may include the hydrogen sensor, such as a vehicle, a fuel cell, a hydrogen storage tank, a facility for manufacturing steel, or a facility for refining petroleum products. | 05-07-2015 |
20150301007 | STATION AND METHOD FOR MEASURING PARTICLE CONTAMINATION OF A TRANSPORT CARRIER FOR CONVEYING AND STORING SEMICONDUCTOR SUBSTRATES AT ATMOSPHERIC PRESSURE - The present invention relates to a method for measuring particle contamination of a transport carrier for conveying and storing semiconductor substrates at atmospheric pressure, implemented in a measuring station. The measuring method comprises:
| 10-22-2015 |
20150316571 | FLUID SAMPLE SYSTEM AND METHOD - A fluid sample system includes a control system that operates in the hazardous area and controls one or more valves and optionally receives outputs from one or more transducers and optionally one or more sensors. The fluid sample system includes components that operate in a hazardous area and includes a control system that operates in the hazardous area and that controls one or more electrical devices. The control system communicates across a barrier with a system on a safe side of the barrier with as few as two intrinsically safe couplings including a single pneumatic coupling and a communication link coupling. The control system includes an intrinsically safe voltage boost circuit. | 11-05-2015 |
20160047785 | CONTAINERS AND SYSTEMS FOR THE MEASUREMENT OF RADIOACTIVE GASES AND RELATED METHODS - Containers for a fluid sample containing a radionuclide for measurement of radiation from the radionuclide include an outer shell having one or more ports between and interior and an exterior of the outer shell, and an inner shell secured to the outer shell. The inner shell includes a detector receptacle sized for at least partial insertion into the outer shell. The inner shell and outer shell together at least partially define a fluid sample space. The outer shell and inner shell are configured for maintaining an operating pressure within the fluid sample space of at least about 1000 psi. Systems for measuring radioactivity in a fluid include such a container and a radiation detector received at least partially within the detector receptacle. Methods of measuring radioactivity in a fluid sample include maintaining a pressure of a fluid sample within a Marinelli-type container at least at about 1000 psi. | 02-18-2016 |
20160061639 | Messanordnung mit einem Tragerelement und einem Sensor - A measuring arrangement comprising: a support element having a longitudinal axis, wherein a sensor is arranged on the support element for ascertaining a process variable of a gaseous or liquid fluid; and the sensor, wherein the sensor has a fluid duct, and wherein the support element has a fluid duct. The characterized in that the support element has for connection of the fluid duct of the support element with the fluid duct of the sensor at least one connection element, which extends perpendicular to the longitudinal axis of the support element and into the fluid duct of the sensor. | 03-03-2016 |
20160061798 | Gas Inlet System for Isotope Ratio Analyzer and Method of Determining an Isotope Ratio - A gas inlet system for introducing gas into an isotope ratio analyser, the gas inlet system including a reference system comprising: a first supply of a reference gas having a first known isotope ratio; a supply of a carrier gas, wherein the supplies of reference gas and carrier gas are each connected by respective reference and carrier gas lines to a first mixing junction where the reference gas and carrier gas combine; a mixing zone connected downstream of the first mixing junction wherein the combined reference gas and carrier gas mix together; an exit line for transporting the mixed gas from the mixing zone to the isotope ratio analyser; and an opening on the exit line, wherein the opening is downstream of the mixing zone. Also provided is a method of determining an isotope ratio. | 03-03-2016 |
20160069780 | COMPOUND SAMPLING SYSTEM AND METHOD FOR SAMPLING A COMPOUND USING SAME - A compound sampling system has a guiding assembly extending along a sampling path and a shuttle unit having a displacement mechanism engageable to the guiding assembly and configured to displace the shuttle unit onto the guiding assembly. The shuttle unit also includes at least one sampling component configured to monitor a gaseous substance and collect sampling data relative to the compound in the gaseous substance. The sampling system further includes a control system in communication with the shuttle unit. The control system includes a controller communicably coupled to the displacement mechanism and controlling the displacement of the shuttle unit along the sampling path. A method of sampling a compound uses the sampling system. | 03-10-2016 |
20160109419 | RESIN MEMBER WITH GAS PERMEABLE MEMBER AND METHOD OF MANUFACTURING THE SAME, CASING, AND SENSOR - A resin member with a gas permeable member ( | 04-21-2016 |
20160131626 | METHODS FOR TRACING FLUID MIGRATION - The disclosure relates to application of a signature elemental tracer referred to herein as a signature). It comprises a selection of a small amount of a unique combination of a non-radioactive isotope or variant of a particular element or elements with stable isotopes, different from the natural-occurring combination of the elements in question. In particular, there are 54 such stable multi-isotopic elements and 17 rare-earth elements available for the creation of signature. The signature can be chosen based on samples of traced material and the environment it is to be used in, over time based on detectability, duration, and robustness in that environment. By utilizing isotope combinations as a signature, one can readily determine with a mass spectrometer, whether the traced material in question was or was not in a particular sample of contamination, plant tissue, animal tissue, or associated with some event of interest. | 05-12-2016 |
20160141603 | POTATO-SHAPED GRAPHITE PARTICLES WITH LOW IMPURITY RATE AT THE SURFACE, METHOD FOR PREPARING THE SAME - Modified graphite particles obtained from graphite or based on graphite, the said particles having impurities in their internal structure and having on the surface a low, even nil, rate of an impurity or several impurities. In addition, these particles have at least one of the following characteristics:
| 05-19-2016 |
20160161461 | ELECTRONIC NOSE FOR DETERMINATION OF MEAT FRESHNESS - The invention relates to a new and fast device for determination of freshness of the food of animal origin, specifically to the electronic nose, to a method for determination of freshness of the food by using a portable electronic nose which analyses volatile compounds and gases in the meat headspace, and to a system that includes the electronic nose and the tool for shielding extraneous odours and forming the defined headspace. The invention describes a fast and simple method for determination of the meat freshness, which is easy to use and the results get by it are objective and reliable. | 06-09-2016 |
20190145944 | MEASURING ARRANGEMENT | 05-16-2019 |
20220137016 | METHOD OF CONTROLLING HEATER SYSTEMS - An emitter for emitting radiations at a specific wavelength includes a Joule-heated emitting electrical conductor to emit radiations at an emission temperature, a controller to control a variable voltage subjected to the Joule-heated emitting electrical conductor and modulated according to a duty cycle, the duty cycle being variable between a high-average power duty cycle during hot periods, so that the Joule-heated emitting electrical conductor is subjected to a high-average power to reach and maintain the emission temperature; and a low-average power duty cycle during cold periods alternated to the hot periods, so that the Joule-heated emitting electrical conductor is subjected to a low-average power to reach a temperature smaller than the emission temperature, wherein the high-average power duty cycle and the low-average power duty cycle is defined based on a temperature-indicative measured value indicative of the ambient temperature as measured. | 05-05-2022 |