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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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7607339 |
Ceramic laminate body, gas sensor element and related manufacturing method
A ceramic laminate body, a gas sensor element employing such a ceramic laminate body and related manufacturing method are disclosed as including first and second ceramic sheets, made of material...
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7560012 |
Gas sensor
A gas sensor is constructed as follows. A protector ( 4 ) covering around a gas sensing element ( 2 ) has an inner hollow-cylindrical portion ( 6 ) and an outer hollow-cylindrical portion ( 7 )...
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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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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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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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7306708 |
Limiting current type oxygen sensor
In a limiting current type oxygen sensor, a plane cathode layer and a plane anode layer are arranged on both sides of a solid electrolyte layer, and a porous diffusion layer for controlling gaseous...
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7258772 |
Oxygen sensor and method of manufacturing same
In an oxygen sensor that measures a limiting current of when a voltage is applied between pumping electrodes, and also performs a rich/lean judgment based on an electromotive force generated...
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7254985 |
Oxygen sensor and a manufacturing method of the sensor device
The oxygen sensor of the present invention has excellent durability capable of effectively preventing contamination with lead or the like for a detection electrode even in low temperature exhaust...
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7244316 |
Methods of making gas sensors and sensors formed therefrom
A two-step chemical treatment method for chemically conditioning a sensor element comprising an electrolyte in ionic communication with a first electrode and a second electrode is described. The...
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7217355 |
Nox gas sensor method and device
The present invention is a method and apparatus for measuring the total NO x concentration in a gas stream utilizing the principles of a NO x sensor, i.e., mixed potential sensor. The exhaust gas...
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7211180 |
Contamination-resistant gas sensor element
A contamination-resistant sensor element and methods for making the same are provided. A sensor element may include a contamination-resistant coating on at least a portion thereof. The coating may...
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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 %:
P 2 O 5 38–40% TiO 2 25–45% M 2 O 3 (where M is Al or Ga) 5–15% Li 2 O 10–20%
and...
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7169724 |
Alumina sintered body and method for producing the same
An alumina sintered body having communicating pores of 400–1100 Å in average pore diameter and 4–16% in porosity and being obtainable by mixing first alumina particles 1 having a particle...
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7156967 |
Gas sensor element containing a getter
The present invention provides a gas sensor element and its production method, in which poisons are trapped in a porous protective layer to prevent them from reaching a measured gas side electrode,...
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7122103 |
Air/fuel ratio detection apparatus
The invention relates to an air/fuel ratio detection apparatus for a gas. This apparatus includes (a) a heater portion having an elongate cylindrical shape; (b) a solid electrolyte layer...
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7087151 |
Hydrogen sensor for use in battery overcharge/overdischarge detector and hydrogen leakage detector
A hydrogen sensor which may be employed in an overcharge/overdischarge detector for a battery and a hydrogen leakage detector for a fuel cell is provided. The hydrogen sensor includes a sensor...
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7037415 |
Sensor element of a gas sensor
A sensor element of a gas sensor is described, this sensor being used to determine the concentration of at least one component of a gas mixture, in particular in exhaust gases of internal...
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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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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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6916384 |
Method of treating a gas sensor
A method of treating a gas sensor comprising: disposing the gas sensor in a basic agent solution comprising a basic agent selected from the group consisting of Group IA of the Periodic Table of...
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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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6843900 |
Potentiometric NOx sensors based on yttria-stabilized zirconia with zeolite modified electrode
A potentiometric sensor for nitrogen oxide (NO X ) measurement based on yttria-stabilized zirconia with a zeolite-modified electrode is presented. A potentiometric sensor of the present invention...
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6821401 |
Sensor for measuring the concentration of a gas component in a gas mixture
A sensor is described for measuring the concentration of a gas component in a gas mixture, particularly a lambda probe for measuring the oxygen concentration in the exhaust gas of an internal...
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6793788 |
Method and device for hydrogen and hydrocarbon sensing
One embodiment of a method of fabricating a sensor element for an exhaust gas sensing device, comprises disposing an electrolyte in ionic communication with a sensing electrode and a reference...
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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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6746586 |
Multi-layer gas sensor element and gas sensor comprising the same
A multi-layer gas sensor element is described which comprises a solid electrolytic member, a substrate, and a porous member, wherein each of the substrate and the porous member has a thickness...
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6723217 |
Method and device for pumping oxygen into a gas sensor
A gas sensor is created comprising an electrochemical cell having a solid electrolyte layer disposed between an exhaust gas electrode and a reference electrode. A resistor is disposed in electrical...
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6709558 |
Gas sensor
Disclosed herein is a gas sensor and a method of making a gas sensor comprising disposing a reference electrode on an inner surface of an electrolyte; sputtering a sensing electrode on an outer...
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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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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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6679982 |
Oxygen sensor
An oxygen sensor is disposed downstream from a catalyst for purifying exhaust gas from an internal combustion engine and which can suppress an influence of unburnt hydrocarbon on an output voltage....
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6676817 |
Solid electrolyte containing insulating ceramic 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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6666962 |
Electrochemical sensor element with a porous reference gas accumulator
An electrochemical sensor element, in particular for determining the oxygen level in gas mixtures, includes at least one measuring electrode exposed to a measured gas, at least one reference...
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6660145 |
Oxygen sensor element
An oxygen sensor element is provided which may be used in an oxygen sensor designed to measure the concentration of oxygen contained in exhaust gasses of an automotive internal combustion engine....
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6660142 |
Nonfragile and quickly activatable structure of gas sensor element
A nonfragile ad quickly activatable structure of a gas sensor element which may be built in a gas sensor employed in an air-fuel ratio control system for automotive vehicles for measuring the...
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6638405 |
Gas sensor and method of manufacturing the same
One embodiment of a method for producing a gas sensor, comprises: disposing said gas sensor in a basic agent solution comprising a basic agent comprises a hydroxide of a metal selected from the...
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6634213 |
Permeable protective coating for a single-chip hydrogen sensor
A permeable protective coating for a single-ship hydrogen sensor. A hydrogen-permeable coating is applied to a semiconductor wafer containing hydrogen sensor dies, prior to dicing of the wafer. The...
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6632338 |
Gas sensing element incorporated in a gas sensor for an internal combustion engine
A second protective layer is a ceramic porous protective layer comprising coarse particles and fine particles structurally arranged in such a manner that interparticle cavities formed between the...
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6630062 |
Poison resistant sensor
The poison resistant sensor comprises a sensing electrode ( 4 ) having a first and second side; a reference electrode ( 7 ) having a first and second side; an electrolyte ( 1 ) disposed between and...
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6598596 |
Solid state potentiometric gaseous oxide sensor
A solid state electrochemical cell ( 10 a ) for measuring the concentration of a component of a gas mixture ( 12 ) includes first semiconductor electrode ( 14 ) and second semiconductor electrode (...
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6579435 |
Gas sensor
A gas sensor is disclosed comprising an oxygen pump cell having at least one exterior pump electrode and at least one interior pump electrode disposed on opposite sides of a first solid electrolyte...
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6579436 |
Gas sensor and method of producing the same
A gas sensor, comprising an oxygen pump cell with a first pump electrode and a second pump electrode disposed on opposite sides of a first solid electrolyte layer and a second pump electrode. The...
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6569303 |
Method of adjusting output of gas sensor
A method of adjusting an output of a gas sensor element is provided. The gas sensor element includes a lamination of a solid electrolyte body, a target gas-exposed electrode, a reference...
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6565723 |
Isolated ground sensor achieved using alumina coating over spinel coating
An exhaust gas sensor element has an electrolyte body, an inner electrode disposed on an inner surface of the electrolyte body, an outer electrode disposed on an outer surface of the electrolyte...
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6562212 |
Gas sensor element
A gas sensor element is provided which is used in a gas sensor such as an oxygen sensor. The gas sensor element includes a solid electrolyte body, a target gas electrode provided on a surface of...
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6544405 |
Sensor coating inhibiting glass formation
An exhaust gas sensor element having an electrochemical cell, a protective material in fluid communication with the electrochemical cell, and a reactive inhibitive coating disposed over the...
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