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| Number | Title | Issue Date |
| 8187436 | Sensor deterioration judging apparatus and sensor deterioration judging method A gas sensor controller 190 stops an operation of pumping in or out oxygen that is being performed by a first pump cell 111 in a state that the oxygen concentration (oxygen partial pressure) of a gas to be measured is equal to a status judgment referen... | 05/29/2012 |
| 8057652 | High-temperature potentiometric oxygen sensor with internal reference A compact oxygen sensor is provided, comprising a mixture of metal and metal oxide an enclosure containing said mixture, said enclosure capable of isolating said mixture from an environment external of said enclosure, and a first wire having a first end residing wit... | 11/15/2011 |
| 7578913 | Probe for determination of oxygen activity in metal melts and methods for its production The invention relates to a probe (100, 200, 300, 400, 500, 600) for the measurement of the oxygen activity of metal melts, in particular steel melts, comprising a reference substance (2) of known oxygen activity in electrically conducting contact (3... | 08/25/2009 |
| 7432006 | Electrochemical probe for screening multiple-cell arrays Novel systems for combinatorially screening an array of electrochemical cells are disclosed. The screening aparatus may comprise a system of electrodes and electrolytes common to each of the members of an electrochemical cell array. An electrochemical probe is used ... | 10/07/2008 |
| 7396442 | Electrochemical oxygen generator module assembly An ionically conductive ceramic element includes a central unit (703). The central unit (703) is composed of a plurality of integrated manifold and tube modules (IMAT) (22) joined end to end along a central axis (A). Each IMAT module (22)... | 07/08/2008 |
| 7372277 | Method and apparatus for providing stable voltage to analytical system An electrochemical cell has two terminals. One of the terminals is connected to a pulse-width-modulated (PWM) power supply and to a voltmeter. The other terminal is connected to circuitry capable of switching between amperometric and potentiometric measurement modes... | 05/13/2008 |
| 7335287 | Solid electrolyte sensor for monitoring the concentration of an element in a fluid particularly molten metal The present invention relates to an electrochemical sensor for determining the concentration of a group IA metal in a fluid such as molten metal. The sensor comprises a substantially pure quantity of the group 1A metal as a reference electrode (13) contained ... | 02/26/2008 |
| 7334401 | Apparatus for sensing particulates in a gas flow stream A particulate sensor for sensing the presence of particulates in a gas flow stream is disclosed. The particulate sensor includes a housing having a flow divider to provide a first flow path and a second flow path. A heater is disposed and configured to provide unifo... | 02/26/2008 |
| 7326480 | Fuel cell power system and method of controlling a fuel cell power system A fuel cell power system includes a fuel cell which has an optimal voltage; an energy storage device having a nominal voltage substantially similar to the optimal voltage of the fuel cell; and an electrical switch that, in operation, selectively electrically couples... | 02/05/2008 |
| RE40035 | Modular ceramic oxygen generator A ceramic oxygen generator is described which is capable of modular construction to permit the oxygen generation capacity to be expanded. An ionically conducted ceramic electrolyte is formed into a series of rows and columns of tubes on a tube support member and lik... | 01/29/2008 |
| 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 formed of a different catalytic material selected to produce a differen... | 09/04/2007 |
| 7258771 | Air/fuel ratio detection apparatus The invention relates to an air/fuel ratio detection apparatus. This apparatus includes (a) a heater portion having an elongate cylindrical shape and heating by applying electricity thereto from outside; (b) a solid electrolyte layer surrounding the heater portion a... | 08/21/2007 |
| 7241477 | Methods of treating electrodes and gas sensors comprising the electrodes A method for forming an electrode comprises: combining a platinum precursor with a gold precursor to form an electrode ink; forming the electrode ink into an electrode precursor; firing the electrode precursor to form the electrode; treating the electrode in an envi... | 07/10/2007 |
| 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 coupled to the chromatographic column for detecting a gas being emitted fro... | 07/03/2007 |
| 7211532 | Alkali ion conductive glass-ceramics and electric cells and gas sensors using the same There are provided glass-ceramics having a high lithium ion conductivity which include in mol %: ... | 05/01/2007 |
| 7205063 | Lanthanum gallate-based sintered body, manufacturing method thereof, and solid oxide fuel cell using the same as solid electrolyte A lanthanum gallate-based sintered body comprises a base material formed of lanthanum gallate-based oxide, and grains having a K2NiF4 structure and/or grains having a layered perovskite structure are dispersed into the base material. Consequent... | 04/17/2007 |
| 7196524 | Sensor plug-in head, particularly for a potentiometric sensor and potentiometric sensor comprising a sensor plug-in head For simplified supply of potentiometric sensors with a reference electrolyte, a sensor plug head for connecting to a cable connection piece of a potentiometric sensor is provided. The sensor plug head including, besides the usual electric connections, a supply conne... | 03/27/2007 |
| 7189364 | Hydrogen sensor A hydrogen sensor includes a first electrode 3 and a second electrode 4 provided in contact with a proton conduction layer 2; a gas diffusion controlling portion 6 provided between a measurement gas atmosphere and the first electrode 3... | 03/13/2007 |
| 7189315 | Ion sensor and clinical analyzer using the same An ion sensor has a flow path through which a sample flows. An ion-exchange membrane is in contact with the sample in the sample flow path. An internal solution is provided on one side of the ion-exchange membrane. An internal electrode is provided so as to come in ... | 03/13/2007 |
| 7182847 | System and probe for monitoring pH levels of a sample medium A system for monitoring a pH level of a sample medium is disclosed herein as including a pH probe having a pH-sensitive electrode, a reference electrode and a temperature electrode arranged within a housing of the pH probe. The probe housing generally includes a fle... | 02/27/2007 |
| 7179553 | Method for detecting electrical defects in membrane electrode assemblies A method and system for detecting imperfections in a membrane electrode assembly of an electrochemical fuel cell, and more particularly for detecting defects within a proton exchange membrane in a membrane electrode assembly which is optionally sandwiched between co... | 02/20/2007 |
| 7166267 | Solid solutions, applicable as catalysts, with perovskite structure comprising noble metals Materials with a perovskite structure in form of solid solutions with general formula: AzZr1−xBxO3 Where A is Ba or a rare earth element, B is Pt, Ir, Rh or Ce z is 1 when A is Ba and is ⅔ when A is a rare earth, x is ... | 01/23/2007 |
| 7156968 | Electrode comprising material to help stabilize oxide of catalyst for electrochemical sensor An electrode comprises a catalyst and material to help stabilize an oxide of the catalyst. The electrode for one embodiment may be used for an electrochemical sensor or sensor cell. ... | 01/02/2007 |
| 7147761 | Electrochemical sensor An electrode for use in an electrochemical sensor includes a catalyst dispersed within an electrolyte. Preferably, the catalyst is immobilized within a matrix of the electrolyte. In one embodiment, the electrode of the present invention includes at least one catalys... | 12/12/2006 |
| 7109853 | System for detecting and releasing a person locked in the trunk of a vehicle A vehicle safety system automatically detects the presence of a person sealed in the trunk of an automobile by sensing the CO2 respiration of the person. Visible, audio and radio alarms are generated in response to the detection of a person in the trunk. ... | 09/19/2006 |
| 7108935 | Ion conducting composite membrane materials containing an optionally modified zirconium phosphate dispersed in a polymeric matrix, method for preparation of the membrane material and its use The invention provides composite membrane materials comprising a polymer of the state of art uniformly filled with a zirconium phosphate, preferably α-zirconium phosphate or zirconium phosphate sulfoarylenphosphonate particels. The composite membrane materials are ... | 09/19/2006 |
| 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 onto a neighboring layer, for example, by screen printing. ... | 08/01/2006 |
| 7056608 | Current collector for use in a fuel cell A current collector for use in a fuel cell is described and wherein the fuel cell includes an ion exchange membrane having opposite anode and cathode sides, and a current collector is disposed in ohmic electrical contact with each of the anode and cathode sides, and... | 06/06/2006 |
| 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 and a cell isolation layer disposed on the inner pump electrode on a s... | 05/23/2006 |
| 7045231 | Direct hydrocarbon reforming in protonic ceramic fuel cells by electrolyte steam permeation A process for converting hydrocarbons and water vapor into hydrogen, carbon monoxide, and carbon dioxide; a fuel cell device; and a process of utilizing the fuel cell to convert chemical energy to electrical energy is described. The fuel cell comprises a metallic an... | 05/16/2006 |
| 7036352 | Gas sensor A gas sensor comprising: a gas sensor element extending in an axial direction; a cylindrical metal shell enclosing said gas sensor element such that a leading end portion of said gas sensor element protrudes from its own leading end; and a protector fixed on said me... | 05/02/2006 |
| 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 counter-electrode. The counter-electrode is configured to support the diffusion ... | 03/28/2006 |
| 7013707 | 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 coupled to the chromatographic column for detecting a gas being emitted fro... | 03/21/2006 |
| 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 exhaust systems and emission control systems, and is designed to be used o... | 02/14/2006 |
| 6994777 | Chemical sensors utilizing conducting polymer compositions A chemical sensor for detecting the presence of one or more analytes. The sensor comprises at least one electrode pair and a photopolymerized electrically conducting polymer composition disposed in contact between each of the electrode pairs. Each polymer compositio... | 02/07/2006 |
| 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 additional deposited layer is arranged on the base coat in such a wa... | 10/11/2005 |
| 6946213 | Perovskite electrodes and method of making the same The invention relates to perovskite oxide electrode materials in which one or more of the elements Mg, Ni, Cu, and Zn are present as minority components that enhance electrochemical performance, as well as electrode products with these compositions and methods of ma... | 09/20/2005 |
| 6940287 | Unheated planar sensor element for determining the concentration of a gas component in a gas mixture An unheated planar sensor element for determining the concentration of a gas component in a gas mixture, in particular the oxygen concentration in the exhaust gas of an internal combustion engine, has a sensor foil made of a solid electrolyte with an outer electrode... | 09/06/2005 |
| 6905581 | Oxygen permeable electrode system An electrochemical device (18) for generating a desired gas of the type includes an ionically conductive electrolyte layer (20), a porous electrode layer (22), and a current collector layer (16) that has a high electrical conductivity and... | 06/14/2005 |
| 6872331 | Oxide ion conductor, manufacturing method therefor, and fuel cell using the same An oxide ion conductor is manufactured having a relatively high mechanical strength while the ionic conduction thereof is maintained at a satisfactory level. The oxide ion conductor is represented by the formula Ln11-xAxGa1-y-z-wB1 | 03/29/2005 |
