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7387011 |
Deterioration diagnosis system for exhaust gas sensor
A diagnosis device calculates a lean-direction responsiveness characteristic and a rich-direction responsiveness characteristic of the exhaust gas sensor. The lean-direction responsiveness...
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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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7370511 |
Gas sensor with attenuated drift characteristic
A sensor with an attenuated drift characteristic, including a layer structure in which a sensing layer has a layer of diffusional barrier material on at least one of its faces. The sensor may for...
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7360397 |
Detector with condenser
An ambient condition detector has a housing that carries a sensor of an airborne constituent such as a gas, and a condenser for minimizing an inflow of moisture into the sensor. A filter can be...
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7360396 |
Gas sensor and fuel cell system and automobile employing the same
In a gas sensor, at least three levels of current are supplied to a heating element successively in a step-like manner for a predetermined time period. An arithmetic unit receives both-end voltages...
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7343782 |
System and method for performing quantifiable release spore testing on bioaerosol detection technologies
A system for testing devices for detecting airborne particulate matter generates a first airflow and a second airflow. The second airflow is filtered to remove ambient airborne particulate matter...
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7340942 |
Sensor including a sensor element having electrode terminals spaced apart from a connecting end thereof
A sensor having a terminal connection structure in which an elongated sensor element ( 21 ) is inserted, from its rear end through relative movement, into a metallic-terminal-member retainer....
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7318339 |
Gas sensor unit and sensor cap
A gas sensor unit including a gas sensor and a sensor cap. The gas sensor includes a gas detecting element, an electrode provided on the gas detecting element and a sensor terminal connecting to...
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7306951 |
Method and apparatus for determining diffusible hydrogen concentrations
A measuring apparatus and method for use in measuring diffusible hydrogen concentrations in materials, structures, and other objects. In an embodiment of the invention for use in welding...
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7302829 |
Contactless humidity/chemical vapor sensor device and associated method of fabrication
The invention provides a contactless sensor device operable for sensing water vapor or a predetermined chemical vapor including a thin film, wherein the thin film includes a nanostructured sensing...
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7301125 |
Heater for optical gas sensor
A heater for a window of an optical gas sensor is provided. The heater may be positioned over a portion of the window or may form at least a portion of the window. Alternatively, the heater may be...
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7299679 |
Strobe desorption method for high boiling point materials
The invention is directed to a system and method for detecting substances, such as high boiling and low vapor pressure materials, using high energy radiation imparted by a suitable radiation...
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7287412 |
Method and apparatus for sensing hydrogen gas
A hydrogen sensor and/or switch fabricated from an array of nanowires or a nanoparticle thick film composed of metal or metal alloys. The sensor and/or switch demonstrates a wide operating...
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7278291 |
Trace gas sensor with reduced degradation
The degradation over time that is commonly seen with analyte-binding proteins when used as sensors for trace amounts of an analyte in a gaseous mixture is reduced by maintaining the sensor in a...
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7266991 |
Sensor for helium or hydrogen
The invention relates to a sensor ( 1 ) for helium or hydrogen with a vacuum-tight housing ( 2 ), wherein a gas consuming cold cathode array ( 3, 4 ) is arranged, in addition to a selectively...
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7260980 |
Liquid cell and passivated probe for atomic force microscopy and chemical sensing
The invention provides a liquid cell for an atomic force microscope. The liquid cell includes a liquid cell housing with an internal cavity to contain a fluid, a plurality of conductive...
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7260979 |
Oxygen sensor
An oxygen sensor includes a sensor element, a holder having a hole through which the sensor element is arranged, a sealing positioning portion for sealing a clearance between the sensor element and...
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7257986 |
Gas sensor with increased measuring sensitivity
A gas sensor ( 1 ) with a detector element ( 2 ), which is specific to a gas to be measured and sends a measured signal that depends on the measured gas concentration, has increased measuring...
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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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7254984 |
Sensor
A sensor for measuring a physical property of a measuring gas, in particular the oxygen concentration or the temperature in the exhaust gas of an internal combustion engine in a motor vehicle, has...
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7249490 |
Isolated gas sensor configuration
A gas sensor assembly detects a constituent in a gaseous stream. The assembly comprises: (a) a mounting surface, (b) a sensor mounted on the mounting surface and sensor capable of generating a...
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7244346 |
Concentration measuring mechanism, exposure apparatus, and device production method
In a concentration measuring mechanism, a first concentration meter that measures the concentration of a first gas inside an enclosed space is isolated by an isolator in an isolatable space...
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7233034 |
Hydrogen permeable protective coating for a catalytic surface
A protective coating for a surface comprising a layer permeable to hydrogen, said coating being deposited on a catalyst layer; wherein the catalytic activity of the catalyst layer is preserved.
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7232545 |
Sensor for determining concentration of fluid sterilant
A sensor for detecting hydrogen peroxide, comprising an element exhibiting piezoelectric properties having a metal-oxide-containing coating, the metal-oxide having a divalent or tetravalent state.
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7231810 |
Semiconductor type hydrogen sensor, detection method and hydrogen detecting device
The invention relates to a high sensitive semiconductor type hydrogen sensor, an alarm of hydrogen which incorporates this sensor and a method of sensing hydrogen concentrations by using this sensor.
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7231809 |
Oxygen monitoring device
A gas monitoring device for monitoring gas levels within a chamber is provided. The gas monitoring device includes a housing having a probe with a sensor disposed on the probe. The probe extends...
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7228724 |
Apparatus and process for sensing target gas species in semiconductor processing systems
A gas detector for detecting a fluoro gas species in a gaseous environment containing same, e.g., an effluent from a semiconductor processing tool that employs corrosive fluoro species such as HF,...
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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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7222408 |
Structure of gas sensor ensuring high degree of gas-tight seal
An improved structure of a gas sensor is provided which is designed for achieving desired crimping of an end portion of a sensor housing to establish a higher degree of gas-tight seal between the...
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7197912 |
Gas sensor seal and method of producing same
A gas sensor seal ( 40 ) comprising a body ( 122 ), an upper portion having a flange ( 124 ), and at least one channel ( 130 ). The flange ( 124 ) has an extension ( 131 ) that extends from the...
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7194891 |
High-temperature gas sensors
A method of sensing the amount of a gas in a fluid flow includes operating an acoustic wave (AW) sensor at a first resonant frequency. The AW sensor includes a high temperature stable piezoelectric...
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7188513 |
Detecting concealed security threats
Systems, methods and apparatus for detecting concealed security threats by sampling molecules of substances for assessment wherein these molecules may be contained in the air in or near concealed...
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7181840 |
Method of manufacturing a gas sensor
An improved manufacturing method for a gas sensor is provided which is capable of establishing a required hermetic seal in a body of the gas sensor. The method includes preparing a sensor assembly...
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7178382 |
Structure of gas sensor designed to reduce mechanical damage to sensor element
An improved structure of a gas sensor designed to withstand physical impact which may result in damage such as cracks to a sensor element built in the gas sensor. Specifically, the gas sensor...
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7174766 |
Calibration device for carbon dioxide sensor
A self-calibrating carbon dioxide sensor that includes a carbon dioxide detector and a carbon dioxide gas generator. In some embodiments, the carbon dioxide gas generator includes a heating element...
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7168423 |
Gas sensor units for engines
In a multipurpose engine with a reduced or limited displacement adapted for use in a portable work machine or the like, the engine includes a detecting element of a gas sensor for controlling an...
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7159447 |
Gas sensor equipped with gas inlet designed to create desired flow of gas
A gas sensor equipped with a protective gas cover which defines therein a gas chamber to which a sensor element is exposed. The protective gas cover has gas inlet holes through which gas to be...
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7159445 |
Sniffing leak detector and method for operation thereof
A sniffing leak detector includes a handpiece, supporting a sniffing tip, the detector further including a gas sensor. To promote longer life and obtaining more accurate results, the leak detector...
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7159444 |
Combustible gas detection systems and method thereof
A system and method are provided for monitoring the levels of combustible gas in a gas stream. The system includes means for controlling the relative humidity of the the gas stream to maintain a...
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7155960 |
Temperature-programmed desorbed gas analyzing apparatus
A temperature-programmed desorbed gas analyzing apparatus including a sample chamber 1 in which a sample S is disposed, an infrared heating furnace 2 for heating the sample S disposed in the...
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7155959 |
Nanodisk sensor and sensor array
The invention provides a sensor array with different nanodisk sensors that may be fabricated by direct site-specific dip-pen nanopatterning (DPN) using precursor inks. The good flow characteristics...
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7153582 |
Hyperbranched chemoselective silicon-based polymers for chemical sensor applications
The invention provides a device for selective molecular recognition, the device comprising a sensing portion, wherein said sensing portion includes a substrate having coated thereon a layer...
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7140229 |
Gas-monitoring assembly comprising one or more gas sensors and one or more getters, and method of using same
The present invention relates to a gas-monitoring assembly and method for selectively determining the presence of a target gas in a gaseous environment that potentially comprises one or more...
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7137287 |
Staged electrode carrier of an O2 sensor
A staged electrode carrier of an O 2 sensor comprises a sensor; a detecting end carrier installed in the sensor; the detecting end carrier having a positive lead, a negative lead and a channel...
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7134319 |
Acoustic wave sensor with reduced condensation and recovery time
An acoustic wave sensor apparatus is disclosed, which generally includes a piezoelectric substrate having a surface thereon. One or more interdigital transducers and a passivation layer can be...
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7134317 |
Method of detecting a hydrogen concentration and apparatus for detecting hydrogen
In a hydrogen concentration detecting method of detecting whether the hydrogen concentration is equal to or higher than a reference concentration; using a hydrogen detecting apparatus 1 ...
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7132294 |
Functionalized small molecules for use in chemical sensors
The invention provides a device for selective molecular recognition, the device comprising a sensing portion, wherein said sensing portion includes a substrate having coated thereon a layer...
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7127935 |
Wireless gas composition sensor system
A sensor system for detecting the presence of at least one specific component in a fluid medium such as an exhaust gas. A sensor is mounted in a sensor body for detecting the presence of at least...
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7124623 |
Gas sensor
A gas sensor having a first end and a second end includes a hollow cylindrical housing having a flange which protrudes from outer periphery thereof, a sensing element fixed in the housing, and a...
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7124622 |
Sensing element for determining a physical property of a gas mixture
A sensing element for determining a physical property of a gas mixture, in particular the exhaust gas of internal combustion engines, includes a sensor element, arranged in a housing and connected...
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