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6303077 |
Method of monitoring and controlling the composition of sintering atmosphere
The invention concerns a method of monitoring and controlling the furnace atmosphere when sintering PM compacts. According to the invention, the gases determining the carbon and oxygen potentials...
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6295859 |
Method and system for remotely determining column density of trace gases
An improved OBS based technique that monitors gas emissions from smoke stacks, tail pipes, and other sources, and that separates gas column density from thermal radiance contrast. The technique of...
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6289718 |
Arrangement for detecting a gaseous component in a gas flow
The invention is directed to an arrangement for detecting a gaseous component in a gas flow which reaches a measuring chamber (4) via a sample intake line (3). The arrangement includes a flow...
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6289717 |
Micromechanical antibody sensor
A sensor apparatus is provided using a microcantilevered spring element having a coating of a detector molecule such as an antibody or antigen. A sample containing a target molecule or substrate is...
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6289287 |
Identification of sample component using a mass sensor system
Disclosed is a method of identifying an anomalous sample in a group of complex samples. The method provides vapor phase molecules from each complex sample to a mass sensor to derive a mass spectrum...
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6289288 |
Method of determining measured gas data with remote sensors
A method of determining remote gas concentration values from remote gas sensors. The method is particularly applicable to heated metal oxide sensors; however, it is not restricted to this type of...
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6282944 |
Apparatus and process for the analysis of exhaust gas components
Apparatus and process for the analysis of exhaust gas components in which the exhaust gas from an internal combustion engine is supplied to a sample gas line connected to at least one sample bag...
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6282943 |
Apparatus and method for detecting substances
An exemplary apparatus and method for detecting substances are provided for allowing any of a variety of substances, such as natural gas, to be detected from a distance. The apparatus for detecting...
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6280382 |
Compensation of concentration values concerning a patient
The invention relates to a method for compensating measured concentration values of a first chemical compound (A) within a first internal tract (1*) of a patient, which concentration values (P A )...
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6279376 |
Gas sensor for vehicle engine having a double-pipe cover
A gas sensor has a housing, a gas sensing element held by the housing and having a gas contact portion and an element cover for covering the gas contact portion. The element cover has a double pipe...
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6269680 |
Method and apparatus for measuring the concentration of hydrogen peroxide vapor
An improved apparatus and method for measuring the concentration of hydrogen peroxide vapor or gas in a sterilization chamber. The hydrogen peroxide is measured spectrophotometrically in the...
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6269685 |
Viscosity measuring using microcantilevers
A method for the measurement of the viscosity of a fluid uses a micromachined cantilever mounted on a moveable base. As the base is rastered while in contact with the fluid, the deflection of the...
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6266998 |
System for measuring the concentration of gases
A system for measuring the concentration of gases using gas-selective indicator substances in a chip-like carrier (1) with an optoelectronic scanning device (2). The chip-like carrier (2) has...
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6266995 |
Portable medical gas system tester
A portable medical gas system tester is small, lightweight, sturdy, self-contained and portable and can be either pen-activated and/or voice-activated so that it can be operated in the field by...
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6265222 |
Micro-machined thin film hydrogen gas sensor, and method of making and using the same
A hydrogen sensor including a thin film sensor element formed, e.g., by metalorganic chemical vapor deposition (MOCVD) or physical vapor deposition (PVD), on a microhotplate structure. The thin...
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6244097 |
Method for measuring without combustion the heat value of fuel gas
The fuel gas or a substream of the fuel gas is passed through a volumetric flowmeter and the volumetric gas flow is measured. In addition, the pressure, temperature and the proportion of at least...
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6240767 |
Ethylene monitoring and control system
A system that can accurately monitor and control low concentrations of ethylene gas includes a test chamber configured to receive sample gas potentially containing an ethylene concentration and...
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6230545 |
Optode for the determination of gases
A gas-sensitive sensor membrane for the determination of gas concentrations in gas mixtures is proposed. Also proposed are a method and an apparatus for determining gas concentrations based on the...
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6228657 |
Environmental material ticket reader and airborne hazard detection system
An airborne hazardous material reader device capable of receiving a collection element. The reader device has a body forming a slot area for receiving the collection element. The body has a...
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6223789 |
Regulation of vapor pump valve
A vapor recovery system employs a sensor apparatus for determining the actual content of hydrocarbon in the effluent vapor stream. The vapor flow of the hydrocarbon effluents is regulated by...
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6220076 |
Differential gas analyzer
A method and apparatus for measuring differential and absolute concentrations of a selected gas, preferably oxygen, in two flowing gas streams is described. A reference gas and a sample gas in...
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6212939 |
Uncoated microcantilevers as chemical sensors
A method and device are provided for chemical sensing using cantilevers that do not use chemically deposited, chemically specific layers. This novel device utilizes the adsorption-induced variation...
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6212938 |
Method of detecting smell of a vapor and producing a unique visual representation thereof
A process whereby the olfactory response of a gas chromatograph, equipped with a focused surface acoustic wave interferometer integrating detector is converted to a visual image for the purpose of...
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6212937 |
Stack gas emissions monitoring system
A method and apparatus for monitoring stack gas emissions wherein a probe including temperature and pressure indicating transducers is sequentially located at predetermined positions within a...
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6202467 |
Hybrid integrated circuit for a gas sensor
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6196050 |
Method of removing siloxanes from silicon compound gases and apparatus therefor, and siloxane content analyzing method and analyzing apparatus
The present invention enables siloxanes which have a detrimental effect on the quality of products during semiconductor production to be efficiently removed from silicon compound gases, and enables...
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6198400 |
Portable gas detection and/or monitoring apparatus for a hostile environment
Portable gas detection and/or monitoring apparatus including a case having a substantially cylindrical wall and two opposite end caps sealably connected to the cylindrical wall, at least one of the...
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6196049 |
Sensing element and method for manufacturing a sensing element
A sensing element, in particular for an electrochemical sensor, for determining the oxygen content of gases, includes at least one first electrode exposed to a measured gas and at least one second...
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6182497 |
Gas detection system and method
A gas detector system comprises a controller and one or more remote gas sensors. The controller may be a standard personal computer running software for detecting the operational status of the gas...
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6164120 |
Detector and method for the production thereof
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6158268 |
Measuring sensor
A measuring sensor for measuring a fluid includes a longitudinally extending housing having first and second ends and having an inlet opening at the first end for the fluid to be measured, and a...
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6155099 |
Apparatus for measuring quantity of hydrogen
A sensor is constituted by joining a pair of electrodes to a sensor body formed by binding hydrogen occluding metal with binders. Change in the electric resistance between the electrodes and the...
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6150944 |
Termite detection apparatus
A termite detection system is disclosed herein. The system comprises a sensor and associated microprocessor detect the presence of gases emitted by termites. The processor relays a signal to an...
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6148659 |
Gas concentration monitor having a bridge configured flow system
A gas concentration monitor has a pneumatic bridge having two parallel flowpaths containing a first conduit leg and a second conduit leg connected to an input line. Each leg has an entry orifice...
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6143245 |
Apparatus for near simultaneous chemiluminescent sulfur and nitrogen detection
A method and apparatus are disclosed for the near simultaneous detection of light emitted from ozone induced chemiluminescence of nitrogen and sulfur species capable of undergoing ozone induced...
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6138499 |
Exhaust emission analysis system incorporating pulse dampening
An automotive engine exhaust emissions analysis system includes a pump for moving emissions through a conduit to a nitric oxide sensor through a relatively low-volume expansion chamber which is...
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6130614 |
Trunk detection and release assembly
A vehicle trunk detection and release system 10 which detects the presence of an individual within a trunk 14 and which releases the trunk 14, energizes the horn 16, and/or activates the headlights...
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6107627 |
Apparatus for analysis of mixed gas components
The present invention provides an apparatus for the analysis of mixed gas components which can perform, in high precision, determination of the . quantities of components contained in a sample gas...
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6095681 |
Method for operating a sensor to differentiate between analytes in a sample
Disclosed is a method for operating a sensor to differentiate between first and second analytes in a sample. The method comprises the steps of determining a input profile for the sensor which will...
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6094968 |
Continuous emissions monitoring system
A continuous emissions monitoring system for continuously monitoring and evaluating air flow samples from a plurality of emission sites. The monitoring system includes a microprocessor controlled...
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6084414 |
Testing for leakage currents in planar lambda probes
A method for testing for leakage currents in an oxygen probe, in particular a planar lambda probe, having at least one heating element, one external electrode and one internal electrode, and a...
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6077350 |
System and method for curing polymeric/photoresist coatings
The present invention provides a system and method for thermally curing polymeric coated substrates by effective drying of solvents used in the production of the coated component. A feedback system...
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6067840 |
Method and apparatus for infrared sensing of gas
A gas sensor (10) is shown having alternately energized infrared radiation sources (14, 16) disposed in a gas chamber (12) at different distances from an infrared detector (18). Both radiation...
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6062064 |
Apparatus for sensing low concentration NOx
An apparatus for sensing low concentration NOx in the atmosphere is disclosed. The apparatus has sensor elements arranged in a flow path of the atmosphere, the resistance of each of said sensor...
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6055848 |
Air quality measuring device
The present invention provides a device for measuring air quality. The device includes at least one sensor with a sensor resistance which is converted via signal processing into an output signal,...
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6057162 |
Disease diagnosis by vapor sample analysis
Diagnosing disease in a body by analyzing a sample from the body for the presence of sulfur compounds.
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6053030 |
Instrument information and identification system and method
The present invention is an instrument identification system and method for a confined space gas detector used to assure user safety conditions or to collect gas concentration and gas type data at...
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6053031 |
Detection system with interchangeable sensors
A detection system with a measuring head, which has a mount for at least one interchangeable sensor, with a component, which is located at the sensor and receives information on the sensor and...
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6049283 |
Gas detecting apparatus
The presence of a serviceable electrochemical gas sensor (1) in gas detecting apparatus is determined on the basis of the noise in the output of a sensor amplifier. A microcomputer (22) calculates...
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6047588 |
Air cargo container
An air cargo container includes a relatively-rigid housing defining an air-tight interior space of nominal volume within which to receive cargo. The housing substantially maintains the nominal...
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