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7582196 |
Laminated membranes for diffusion limited gas sensors resistant to pressure variations
A micro fuel cell sensor having laminated gas permeable membrane. The sensor comprises a housing, first and second gas diffusing electrodes spaced from one another, a fuel-cell spacer having an...
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7581390 |
Method and system for improving sensor accuracy
A method and system for improving sensor accuracy of diesel emissions is disclosed. The method and system comprises changing the sensor reading as a function of sensor age to provide a more...
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7527718 |
Method of treating gas sensor element
A method of treating a gas sensor element for improving measurement characteristics thereof, including: heating the gas sensor element at a temperature of 600-1000° C. for 3-24 hours in a...
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7527717 |
Sulfur resistant sensors
Sulfur resistant sensors and a process analytic system employing such sensors are provided. The sensors generally include a treatment or material that is adapted to increase the resistance of...
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7504012 |
Quickly activatable structure of gas sensor element
A gas sensor element which may be employed in measuring the concentration of gas such O 2 is provided. The gas sensor element is of a laminated type and designed to introduce gas to be measured...
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7501604 |
Sensor element for determining gas components in gas mixtures, and method for manufacturing it
A sensor element for determining the concentration of gas components in gas mixtures, e.g., for determining the oxygen concentration in exhaust gases of combustion engines, includes: at least one...
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7497933 |
Gas sensor
The present invention provides a gas sensor which allows separation to hardly occur. A gas sensor 1 includes a gas detecting section 2 and a heater section 8 secured in the gas sensor, the...
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7438791 |
Concentration detector
A concentration detector comprises oxygen-forming means for forming oxygen by decomposing the particular component in the gas, first output means for producing an output value proportional to the...
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7407567 |
Gas sensor element and gas sensor
A gas sensor element including: a solid electrolyte layer having a first surface and a second surface; a first electrode formed on the first surface of the solid electrolyte layer; a second...
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7351318 |
Gas sensing element
A gas sensing element has at least a sensor cell consisting of a measured gas side electrode positioned in a measured gas chamber, a reference electrode being operative association with the...
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7318886 |
Gas sensor having improved structure for minimizing thermal damage
An improved structure of a gas sensor is provided which is designed to minimize thermal damage to a water-repellent filter installed in a base end portion of the gas sensor. The gas sensor has an...
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7316767 |
Gas sensing element
Provided is a multilayer gas sensing element having a high measurement accuracy and less susceptible to a leakage current. The element comprises an oxygen pump cell for adjusting an oxygen...
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7228621 |
Inner terminal installation jig used to install an inner electrode terminal
An inner terminal installation jig used to install an inner electrode terminal mount formed on an inner peripheral surface of a hollow cylindrical sensor element of a gas sensor.
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7182846 |
Hydrogen-containing gas measurement sensor element and measuring method using same
A gas sensor element is provided which is designed to measure the concentration of hydrogen-containing gas accurately. The sensor element includes an oxygen pump cell working to keep the...
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7160435 |
Gas sensor and method for controlling the same
Disclosed is a gas sensor for controlling a concentration of oxygen and/or measuring NOx by allowing a current to flow through an ion-conductive member for conducting oxygen ion, by the aid of a...
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7128818 |
Method and apparatus for monitoring gases in a combustion system
A method and apparatus for monitoring and measuring gas concentrations in combustor applications is provided, wherein the apparatus is a gas sensor having a plurality of electrodes cooperating with...
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7083710 |
Gas sensor, in particular a lambda sensor
The reference air channel of a gas sensor or a lambda probe having a laminate body produced by printing technology is provided. The laminate body is produced by printing a suitably structured layer...
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7045047 |
Gas sensor element
A gas sensor element which may be employed in measuring the concentration of gas such O 2 , NOx, or CO. The gas sensor element consists of an electrochemical cell made up of a solid electrolyte...
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7028464 |
Method for purifying exhaust gas of an internal combustion engine
A method for purifying the exhaust gas from an internal combustion engine, which is operated under lambda-based closed loop control and which has an exhaust gas tract in which is located a...
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7011735 |
Arrangement for wiring an electrochemical sensor
An electrochemical sensor, in particular for determining the oxygen content in exhaust gases of internal combustion engines, has a solid electrolyte element having at least one first electrode, at...
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6994780 |
Gas sensor and method of detecting gas concentration
A gas sensor includes a measurement gas chamber into which a measurement gas is introduced. An oxygen pumping cell adjusts an oxygen concentration in the measurement gas chamber. An oxygen monitor...
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6968679 |
Method for operating an internal combustion engine
A method for operating an internal combustion engine includes the step of measuring emission values of at least two pollutant components of an exhaust gas of an internal combustion engine. A value...
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6966978 |
Sensor element of a gas sensor
A solid electrolyte-based sensor element of a gas sensor for determining a gas component in a gas mixture is described, in particular for determining the concentration of oxygen and/or nitrogen...
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6964733 |
Planar sensor element
A planar sensor element for determining gas components, which includes a layer structure with a heating element integrated therein with a layer-shaped heating conductor. The heating conductor is...
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6953620 |
Coating system and method for its manufacture and its use
A coating system and a method for its manufacture are provided. An electrically conductive base coat and a porous overcoat lying over the base coat are arranged on a ceramic substrate. At least one...
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6951601 |
Oxygen concentration detector
The oxygen concentration detector of the present invention includes a sensor element having a solid electrolyte and having an external electrode and an internal electrode provided on the external...
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6949175 |
Gas sensing element
A gas sensing element includes a solid electrolytic substrate having oxygen ion conductivity, a measured gas side electrode provided on a surface of the solid electrolytic substrate so as to be...
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6936149 |
Gas sensor
A gas sensor for determining a physical quantity of a gas component, e.g., in an exhaust gas of an internal combustion engine, including a sensor element which contains at least one electrochemical...
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6913731 |
Oxygen probe
Intended for application on ducts through which flow a fluid at a high temperature, and particularly at a high pressure, comprising two bodies ( 4 ) and ( 8 ) which axially screw onto each other,...
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6901785 |
Gas concentration measuring apparatus designed to minimize measurement error
A gas concentration measuring apparatus has a gas sensor consisting of pump, sensor, and monitor cells. The apparatus works to determine the value of voltage applied to the pump cell when a change...
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6895800 |
Gas concentration measuring apparatus minimizing measurement error
A gas concentration measuring apparatus has a gas sensor including pump, sensor, and monitor cells. The apparatus works to look up a predetermined voltage-to-current relation to determine an...
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6888109 |
Heating device
A heating device for a gas sensor, in particular for use in the exhaust gas analysis of internal combustion engines, including a heating element having an electrical resistor layer. The heating...
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6851180 |
Method of manufacturing a gas sensor
A manufacturing method for a gas senor having sensor element on and in which an outer electrode terminal and an inner electrode terminal are press-fitted. The manufacturing method features...
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6818111 |
Measurement sensor for determining an oxygen concentration in a gas mixture
A probe is described for determining an oxygen concentration in a gas mixture, in particular in the exhaust gas of internal combustion engines, having a Nernst measuring cell, which has a first...
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6811664 |
Electrochemical sensor element
A sensor element for determining the concentration of a gas component in a gas mixture, particularly for determining the oxygen concentration in exhaust gases of internal combustion engines. The...
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6805782 |
Compound layered type of sensing device for multiple measurement
In order to raise accuracy of measurement, a compound layered type of sensing device is provided. The device comprises a plurality of solid electrolyte plates and first to third electrochemical...
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6797138 |
Gas senior design and method for forming the same
A gas sensor comprises a first electrode and a reference electrode with an electrolyte disposed therebetween, wherein the first electrode and said reference electrode are in ionic conmmunication,...
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6787014 |
Gas-detecting element and gas-detecting device comprising same
A gas-detecting element comprising an oxygen-ion-conductive solid electrolyte substrate, a sensing electrode fixed onto said solid electrolyte substrate and active with a detection object gas and...
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6773565 |
NOx sensor
The present invention discloses a NOx sensor for accurately detecting the total concentration of nitrogen oxides in a measured gas without being affected by interference gases. The sensor comprises...
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6767442 |
Sensor element for determining the oxygen concentration in gas mixtures and method for its manufacture
A sensor element for determining the concentration of gas components in gas mixtures, particularly for determining the oxygen concentration in exhaust gases of internal combustion engines. It...
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6746585 |
Gas sensor, especially a lambda probe
A gas sensor has improved electrical properties. In the top view of the layer planes of the body of the sensor, printed circuit traces for electrodes are arranged outside of cavities in the body,...
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6746584 |
Oxygen sensing device
A wide range oxygen sensor comprising a first oxygen pump cell, the first pump cell comprising: a first and a second electrode, with a first communication zone therebetween, the first electrode...
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6740218 |
Gas sensor
A gas sensing element comprises a solid electrolytic element, a measured gas sensing electrode provided on an outer surface of the solid electrolytic element, and a reference gas sensing electrode...
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6716327 |
Measuring arrangement for the determination of gas components in a gas mixtures
A measuring arrangement for the analysis of gas components in gas mixtures, having at least one electrochemical solid electrolyte test cell with at least one cathode in a diffusion channel is...
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6716326 |
Circuit arrangement for operating an exhaust-gas probe
The invention is directed to a circuit arrangement for operating an exhaust-gas probe including a NOx double chamber sensor. The exhaust-gas probe includes: a heatable solid-state electrolyte body...
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6712945 |
Electrochemical sensor
An electrochemical sensor for determining gas components and/or gas concentrations in gas mixtures using a sensor element is described; it has at least one electrode arranged on an ion-conducting...
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6699376 |
Gas sensing element and gas sensor
A measured gas side electrode is provided on one surface of a solid electrolytic substrate so as to be exposed to a measured gas. A reference gas side electrode is provided on an opposite surface...
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6694801 |
Electrochemical sensor element
An electrochemical sensor element for determining the oxygen concentration in exhaust gases of internal combustion engines is described. The sensor element has a pump cell, which has a pump...
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6689266 |
NOx concentration-measuring apparatus
A NOx sensor for measuring NOx concentration including a main pumping cell and a detecting electrode, the main pumping cell-including an electrode having no decomposing/reducing ability for NOx or...
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6682640 |
Co-fired oxygen sensor elements
Disclosed herein is a method for producing a gas sensor, comprising disposing a reference electrode on a side of an electrolyte, disposing a measuring electrode on a side of the electrolyte...
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