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Measuring And Testing > Gas Analysis > By Thermal Property

By Thermal Property

By Thermal Property patent applications listed include Date, Patent Application Number, Patent Title, Patent Abstract summary and are linked to the corresponding patent application page.

01/23/14 - 20140020448 - Combustible gas detecting device
A flammable gas concentration detection apparatus (1) including an energization control unit (50) that switches the energization state of heating resistor (34) at regular time periods TW, and a gas concentration computation unit (7). The heating resistor has first and second set temperatures CH and CL. The voltage detected across...

12/12/13 - 20130327124 - Method for setting a temperature of a sensor element
A method for setting a temperature of a sensor element, which is heatable with the aid of a heating device, for detecting at least one property of a gas in a measuring gas chamber includes at least one regulation of the heating device, the regulation including: (a) detecting at least...

11/14/13 - 20130298639 - Thermal analysis device and method for thermal analysis comprising gas analysis
A thermoanalysis device, including a controllable temperature regulating device for the controlled change in the temperature of a sample to be investigated, a detection device for the continuous detection of at least one signal characteristic of a property of the sample during the change in the temperature, and a gas...

08/29/13 - 20130219993 - 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 a sample well therein. A variety of hydrogen storage materials may be loaded into and unloaded from each...

04/18/13 - 20130091926 - 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 the total gas mixture properties, can enable the measurements of ozone concentration at low pressure settings. The ozone concentration determination can be applied to vacuum processing chamber, using either novel ozone...

04/18/13 - 20130091927 - System and method for detecting aberrations in a conduit
A system for detecting aberrations within a workpiece having a conduit with an input end and an output end is disclosed. The system comprises a fluid delivery device arranged proximate to input end of conduit to pass fluid into input end of the conduit, the fluid delivery device having one...

04/04/13 - 20130081445 - Gas sensor and method for determining a concentration of gas in a two-component mixture
The described sensor allows determination of the concentration of a gas in a two-component mixture at variable pressure by measuring the diffusivity and the thermal conductivity. The sensor is provided to alternately heat the membrane (12) of a thermally conductive cell (1) and allow it to cool such that the...

01/03/13 - 20130000384 - 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 of the rod-shaped casing separates gas from melt. Cavity gas from an...

12/06/12 - 20120304739 - Generated gas collecting method and measuring method
According to one embodiment, a generated gas collecting method collects a generated gas after exposing the interior of a chamber to an organic gas having a boiling point higher than that of the generated gas....

08/16/12 - 20120204622 - 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 density and/or dry mole fraction of gases for a number of environmental monitoring applications, including high speed flux...

08/02/12 - 20120192621 - Heatable flow-through measurement cell
A heatable flow-through measuring cell for a gas analyzer having an inner tube made of a corrosion-resistant material, such as stainless steel, and is terminated at each end with a respective end piece and a radiolucent window held therein. The measuring cell also includes an electrical heating apparatus for heating...

06/21/12 - 20120151996 - Oxygenated butanol gasoline composition having good driveability performance
A gasoline blend and a method for producing a gasoline blend containing low concentrations of a butanol isomer and having good cold start and warm-up driveability characteristics are disclosed....

01/12/12 - 20120006097 - Method and apparatus for monitoring gas concentration
The method and apparatus are intended for monitoring the concentration of a gas in a fluid medium, such as in a liquid or gas medium. In a probe for measuring the temperature and gas concentration in the fluid medium, a gas concentration sensor comprising first and second electrodes is supported...

11/24/11 - 20110283772 - Method and system for measuring a flow
A method is described for measuring a flow of gas passing a flow meter device. The device causes a pressure drop when a gas flows through it. The pressure drop across the device is a measure of the gas flow. The device is configured as a gas permeable tube that...

09/22/11 - 20110226041 - Integrated cmos porous sensor
A single chip wireless sensor comprises a microcontroller connected to a transmit/receive interface, which is coupled to a wireless antenna by an L-C matching circuit. The sensor senses gas or humidity and temperature. The device is an integrated chip manufactured in a single process in which both the electronics and...

09/01/11 - 20110209526 - Method and thermal, flow measuring device for determining and/or monitoring at least one variable dependent on at least the chemical composition of a measured medium
Method and thermal, flow measuring device for determining at least one variable dependent on at least the chemical composition of a measured medium, wherein the measured medium has n components, wherein n is greater than or equal to two, wherein each mole fraction, volume fraction and/or mass fraction of m...

07/07/11 - 20110162436 - Sensor element containing a sealing element for a functional component
A sensor element having a layered construction and configured to detect a physical property of a gas or a liquid includes a functional component situated in the interior, which functional component is connected electrically to a conductor element, which conductor element extends up to the outer surface or up into...

06/23/11 - 20110146382 - Carbon dioxide sensor and associated method for generating a gas measurement value
A gas sensor detects carbon dioxide, for example for use in air-conditioning systems. The gas sensor is based on a field effect transistor construction. It has a polymer-based material sensitive to carbon dioxide as gas-sensitive layer. The material has a cross-sensitivity with respect to air humidity. The influence of humidity...

06/16/11 - 20110138879 - Method and control unit for detecting a gas concentration of gas from a gas mixture
A method (500, 600) is described for detecting a gas concentration of a gas from a gas mixture, a plurality of gas detectors (304, 402, 404) sensitive to the gas or one gas detector (304, 404) sensitive to the gas being used in different operating states for this detection, and...

03/17/11 - 20110061444 - Ceramic heater and gas sensor including the same
A ceramic heater including: a ceramic substrate having a heater element which generates heat when energized and an electrode pad disposed on a surface of the ceramic substrate, the electrode pad being electrically connected to the heater element, and a connection terminal electrically connected to the electrode pad through a...

12/16/10 - 20100313631 - Fluid discrimination method and fluid discrimination apparatus
A fluid discrimination apparatus and a fluid discrimination method are provided for carrying out with accuracy a fluid discrimination such as a fluid type discrimination, a concentration discrimination, the fluid existence or nonexistence discrimination, and a fluid temperature discrimination for a discriminated fluid that is stored in a tank or...

02/18/10 - 20100037678 - Method and apparatus for detection, measurement and control of sulfur-trioxide and other condensables in flue gas
In a method of determining amounts of condensable species present in a gas containing condensable species a probe is placed into a gas containing condensable species. The probe has a plurality of spaced apart contacts on an outer non-conductive surface. That surface is heated at a selected heating rate and...

11/05/09 - 20090272175 - Procedure for measuring the concentration of a gas
In a procedure for measuring the concentration of a target gas, a gas sensor is provided whose sensor signal at constant temperature is dependent on a target gas concentration and has a lower measurement sensitivity in a first modulation range than in a second modulation range. The position of the...

07/16/09 - 20090178467 - Multi-purpose concentration sensors and test methods
A multi-purpose concentration sensor (MPCS) for organic compounds/gases or other compounds/gases tests the concentration of target content of the compound/gas such as methanol dissolved in certain solvents like water, where the exemplary methanol solution is called target solution, where the sensor can optionally or alternatively test the concentration of gas...

04/02/09 - 20090084158 - Gas measuring device and method of operating the same
A gas measuring device for measuring a presence of a target gas in a fluid medium includes a sensor having a sensing element and a heating element being configured to heat the sensing element to a predetermined operating temperature. The sensing element is responsive to the target gas such that...

03/12/09 - 20090064759 - Environmental sensing unit
A duct mounted environmental sensing unit includes a plurality of sensors for detecting respective parameters of a fluid in a duct. The sensing unit enables at least three sensors to make contact with the fluid through a single insertion point in the duct....