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7611613 |
High temperature total NOx sensor
A total NO x sensor with minimal interferences from CO and O 2 includes a yttria-stabilized zirconia (YSZ) pellet and a Pt-loaded zeolite Y layer. Furthermore, three platinum wires are attached...
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7611612 |
Multilayer ceramic NOx gas sensor device
A mixed potential NO x sensor apparatus for measuring the total NO x concentration in a gas stream is disclosed. The NO x sensing apparatus comprises a multilayer ceramic structure with...
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7607340 |
Gas sensor
In a protector ( 100 ) for protecting a detecting portion ( 11 ) of a sensor element ( 10 ) of a gas sensor ( 1 ), the opening area of individual inner introduction holes ( 130 ) and ( 140 ) formed...
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7582197 |
Gas concentration measuring apparatus with failure monitor
A gas concentration measuring apparatus for use in air-fuel ratio control of motor vehicle engines is provided which is designed to detect and identify a cause of failure in operation of an A/F...
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7578914 |
Gas concentration measuring apparatus designed to compensate for output error
A gas concentration measuring apparatus for use in air-fuel ratio control of motor vehicle engines is provided which is designed to determine the concentrations of oxygen at different resolutions...
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7575709 |
Tape-cast sensors and method of making
A method of making electrochemical sensors in which an electrolyte material is cast into a tape. Prefabricated electrodes are then partially embedded between two wet layers of the electrolyte tape...
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7537678 |
Detecting electrode and nitrogen oxide sensor using the same
The present invention uses a sensor electrode ( 3 ) in a nitrogen oxide sensor ( 10 ) which includes a nitrate or nitrite of an alkali metal and an oxide of a rare-earth element. The...
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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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7524407 |
Gas sensor
An oxygen sensor 10 includes an oxygen detection element 20 , which assumes a hollow tubular shape extending along the axis. The oxygen detection element 20 has a closed tip end and an opened...
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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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7445700 |
Gas sensor and nitrogen oxide sensor
A gas sensor for measuring an amount of a measurement gas component, including a solid electrolyte having an internal space, a gas-introducing port for introducing measurement gas from an external...
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7445699 |
Gas sensor
A gas sensor for detecting at least one physical magnitude of a gas, in particular of exhaust gases of an internal combustion engine, is proposed, which includes a sensor element having an...
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7445698 |
Gas concentration detecting apparatus
In a gas concentration detecting apparatus, a voltage is applied to electrodes of a sensor element. A change is caused in either the applied voltage or an element current. An amount of a change in...
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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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7416651 |
Gas sensor
There is provided a gas sensor for measuring the concentration of a specific gas component in a gas under measurement, including a gas diffusion rate limiting portion, a measurement chamber...
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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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7404882 |
Film-type solid polymer ionomer sensor and sensor cell
A miniaturized gas sensor including film type electrodes, and a solid ionomer electrolyte, for the detection of toxic gases, i.e., carbon monoxide, and other oxidizable or reducible gases and...
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7404881 |
Gas sensor
A gas sensor is described for detecting a physical property of a measuring gas, including detecting the oxygen concentration in the measuring gas. The gas sensor includes a sensor element having a...
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7404880 |
Sensor element
A layered sensor element used in a gas measuring sensor for measuring a physical property of a measuring gas, preferably for determining the temperature of the measuring gas or the concentration of...
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7377149 |
Sensor
A measurement sensor for determining a physical property of a measurement gas, e.g., the concentration of a gas component or the temperature of a measurement gas, in particular of the exhaust gas...
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7367217 |
Sensor device for detection of dissolved hydrocarbon gases in oil filled high-voltage electrical equipment
A multi-gas sensor device for the detection of dissolved hydrocarbon gases in oil-filled electrical equipment. The device comprising a semiconductor substrate, one or more catalytic metal...
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7361258 |
Sensor element and gas sensor
A flat limiting-current sensor 10 includes a solid electrolyte substrate 22 , a negative electrode 34 a and a positive electrode 32 a . The negative and positive electrodes 34 a and 32 a ,...
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7341650 |
Method of manufacturing sensor and sensor
In a method of manufacturing a sensor, firstly, a plate-type detection element is inserted through an element-insertion through-hole of a first powder-compacted ring. Secondly, a flange section...
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7309415 |
Gas sensor and method for measuring a gas component in a gas mixture
A gas sensor based on solid electrolyte is proposed for measuring a gas component in a gas mixture, having at least one sensitive region, which has a first means for producing a reaction gas from...
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7306712 |
Gas sensor and method for measuring gas concentration using the same
This invention provides a gas sensor including a proton-conductive polymer electrolyte layer and a method for measuring gas concentration, that are capable of measuring gas concentration at high...
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7288175 |
Noiseless gas concentration measurement apparatus
A noiseless circuit structure of a gas concentration measuring apparatus is provided. The gas concentration measuring apparatus includes a control circuit and a gas sensor including a solid...
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7279133 |
Planar sensor and a method for measuring the temperature of same
In a planar oxygen sensor having a pump cell, a reference cell, a sensor chamber and a heating device, a ground plane electrode is provided and includes a sensing portion having a first sense lead...
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7276141 |
Hydrogen gas sensor
A hydrogen gas sensor capable of accurately measuring hydrogen concentration of a measurement gas atmosphere in the presence of a variety of interfering gasses such as H 2 O and CO. In the hydrogen...
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7264700 |
Thin film mixed potential sensors
A mixed potential sensor for oxidizable or reducible gases and a method of making. A substrate is provided and two electrodes are formed on a first surface of the substrate, each electrode being...
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7258773 |
Solid polymer electrolyte oxygen sensor
An oxygen sensor includes a solid polymer electrolyte, e.g., on an acid treated Nafion membrane and uses a diffusion-limited fuel cell type reactions. The sensor avoids electrolyte leakage and...
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7252748 |
NOx measurement apparatus
NOx sensor element of oxygen-ion conductive solid electrolyte body 15 ; flow passage ( 7, 5, 8, 6 ) provided within the body for introducing analyte gas; oxygen partial pressure detection cell 3...
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7237430 |
Method and apparatus for enhanced detection of a specie using a gas chromatograph
The invention includes a method and apparatus for a chromatography system having a chromatographic column for separating gases in a mixture from one another and an electrochemical gas sensor...
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7235171 |
Hydrogen sensor, hydrogen sensor device and method of detecting hydrogen concentration
A hydrogen sensor includes a solid electrolyte made of a barium cerium oxide, and a first electrode and a second electrode that are formed on the surface of the solid electrolyte. The first and the...
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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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7163609 |
Gas sensor having a laminate comprising solid electrolyte layers and alumina substrate
A gas sensor ( 1 a ) having a laminate including an alumina substrate ( 11 ) having a heating resister ( 115 ) embedded in the alumina substrate ( 11 ); a first oxygen-ion conductive solid...
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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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7158895 |
Device for detecting hydrogen concentration and method of detecting hydrogen concentration
The method of detecting the hydrogen concentration by using a first heat-generating resistor of which a first electrophysical quantity varies depending upon the hydrogen concentration and a second...
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7156966 |
Nox-decomposing electrode and NOx concentration-measuring apparatus
A detecting electrode comprises a first cermet electrode layer formed directly on a solid electrolyte layer and a second cermet electrode layer formed on the first cermet electrode layer. A ratio...
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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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7078659 |
Corrosion resistance structure of ceramic heater and gas sensor equipped with same
A ceramic heater is provided which may be employed in a gas sensor. The ceramic heater includes a heating element disposed inside a ceramic body, a connector assembly, and a cover coating. The...
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7048844 |
Gas sensor and method for use thereof
A sensor comprises: a pump cell comprising an inner pump electrode, an outer pump electrode, a pump cell electrolyte layer interposed between the inner pump electrode and the outer pump electrode...
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7041207 |
Solid electrolyte containing insulating grains for gas sensor
A solid electrolyte layer or body capable of being co-fired with an insulating ceramic substrate or body to be used as a gas sensor laminate. The gas sensor laminate is preferably composed of an...
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7018673 |
Oxygen sensor and emission control system
An emission control system is disclosed for determining a concentration of oxygen in a flow of gas which has a sensor. The sensor has a diffusion barrier, an electrolyte material, and a...
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6996976 |
Apparatus and method for mounting a device to a pipe
An apparatus and method for mounting a device to a pipe. The apparatus is particularly useful for the installation and/or replacement of retrofit sensors and injectors to the piping of engine...
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6984298 |
Gas sensor having an insulating layer
Disclosed herein is a ceramic part, gas sensor, and method for making the gas sensor. The ceramic part comprises: an insulating layer affixed to a substrate wherein the insulating layer comprising...
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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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6955750 |
Electrochemical sensor compensated for relative humidity
The invention relates to an electrochemical gas sensor having both a reference sensor and an active sensor, whereby each reference and active sensor includes a substrate, a counter electrode...
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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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