| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 422094000 | Combustible gas detector | 14 |
| 20080206107 | Gas sensor apparatus for automotive exhaust gas applications - A gas sensor apparatus and method of forming the same generally includes a gas sensor element comprising a heater and a plurality of electrodes. A ceramic substrate can be provided for supporting the electrodes on one side of the ceramic substrate and the heater on the opposite side of the ceramic substrate. The gas sensor element is preferably embedded in the ceramic substrate. The ceramic substrate also possesses a substantially circular shape in order to prevent a breakage of the gas sensor element, avoid thermal loss, and permit the gas sensor apparatus to withstand mechanical shock and high vibrations while occupying a minimal package space. | 08-28-2008 |
| 20080206108 | Single cell sensor for measuring the partial pressure of oxygen - A single cell oxygen sensor apparatus and method are disclosed. An yttrium-based stabilized layer having electrical terminals connected to the yttrium-based stabilized layer can be provided on a substrate, wherein the yttrium-based stabilized layer is excitable by a constant current applied to the electrical terminals. A plurality of electrodes are located on a side of the yttrium-based stabilized layer and a plurality of heater elements located on said substrate opposite said yttrium-based stabilized layer. The heater elements can maintain the yttrium-based stabilized layer at a particular temperature. A cavity is formed and located between the yttrium-based stabilized layer and the heater elements. The partial pressure of oxygen can be measured by comparing the partial pressure of oxygen within the cavity with respect to the partial pressure of oxygen in the atmosphere external to the single cell oxygen sensor apparatus. | 08-28-2008 |
| 20090016934 | GAS SENSOR WITH AT LEAST ONE CATALYTIC MEASURING ELEMENT - A gas sensor has shock resistance and temperature resistance attributes. The gas sensor includes at least one catalytic measuring element ( | 01-15-2009 |
| 20090035184 | HYDROGEN GAS SENSOR - The present invention provides a catalytic combustion type hydrogen gas sensor of a simple structure, which is capable of inhibiting the degradation of the sensitivity thereof over a long period of time even in the presence of a silicon compound being a catalyst poison. This hydrogen gas sensor is equipped with a detection element | 02-05-2009 |
| 20140004005 | SYSTEM FOR SENSING SOF OF DIESEL ENGINE | 01-02-2014 |
| 20140004006 | SENSOR FOR MEASURING SOOT OF DIESEL VEHICLE | 01-02-2014 |
| 20140004007 | SENSOR FOR MEASURING SOF OF DIESEL VEHICLE | 01-02-2014 |
| 20140301899 | GAS ANALYSIS APPARATUS - In order to completely decompose remaining urea contained in exhaust gas emitted from an internal combustion engine to make it possible to accurately measure an amount of the remaining urea, as well as preventing measurement accuracy and reliability from being damaged by some cause such as the attachment of powdery urea on a sensor, a gas analysis apparatus is provided with a filter part that is provided between a sampling port and a produced substance measuring mechanism in a mixed gas sampling pipe to collect urea in a solid state or in a state of being dissolved in water in mixed gas. | 10-09-2014 |
| 422095000 | With thermoelectric detector | 6 |
| 20100221148 | COMBUSTIBLE GAS SENSOR - The present invention provides a combustible gas sensor that can realize a considerable improvement in the measurement sensitivity and the measurement precision by increasing the contact area between the measurement object gas and the oxidation catalyst particles, increasing the amount of heat generation of oxidation reaction in accordance therewith, and improving the transference of the oxidation reaction heat, while reducing the scale of the whole. | 09-02-2010 |
| 20130202490 | GAS SENSOR - A gas sensor for detecting combustible gases is provided with a catalytic sensor element. The catalytic sensor element is arranged in a housing ( | 08-08-2013 |
| 20140348708 | COMBUSTIBLE GAS SENSORS INCLUDING INTEGRAL SUPPORT STRUCTURES AND COMBUSTIBLE GAS SENSOR WITH MULTIPLE ACTIVE ELEMENTS - A combustible gas sensor includes at least a first sensing element comprising a first conductive element having, for example, an average diameter less than 20 μm in electrical connection with electronic circuitry. The combustible gas sensor further includes a first support element having a first anchored end, a second anchored end and an extending intermediate section between the first anchored end and the second anchored end, the extending intermediate section providing support for the first conductive element. Another combustible gas sensor includes a first sensing element and a second sensing element. The first sensing element includes a first catalyst support member having a volume less than a sphere having a diameter of 500 μm. The second sensing element includes a second catalyst support member having a volume less than a sphere having a diameter of 500 μm. The combustible gas sensor further includes electronic circuitry that is adapted to cycle between a first mode in which the first sensing element is operated in a higher power mode and the second sensing element is operated in a lower power mode and a second mode in which the second sensing element is operated in a higher power mode and the first sensing element is operated in a lower power mode. | 11-27-2014 |
| 20140348709 | COMBUSTIBLE GAS SENSORS INCLUDING INTEGRAL SUPPORT STRUCTURES AND COMBUSTIBLE GAS SENSOR WITH MULTIPLE ACTIVE ELEMENTS - A combustible gas sensor includes at least a first sensing element comprising a first conductive element having, for example, an average diameter less than 20 μm in electrical connection with electronic circuitry. The combustible gas sensor further includes a first support element having a first anchored end, a second anchored end and an extending intermediate section between the first anchored end and the second anchored end, the extending intermediate section providing support for the first conductive element. Another combustible gas sensor includes a first sensing element and a second sensing element. The first sensing element includes a first catalyst support member having a volume less than a sphere having a diameter of 500 μm. The second sensing element includes a second catalyst support member having a volume less than a sphere having a diameter of 500 μm. The combustible gas sensor further includes electronic circuitry that is adapted to cycle between a first mode in which the first sensing element is operated in a higher power mode and the second sensing element is operated in a lower power mode and a second mode in which the second sensing element is operated in a higher power mode and the first sensing element is operated in a lower power mode. | 11-27-2014 |
| 20160077032 | CATALYSIS COMBUSTION TYPE GAS SENSOR - A catalysis combustion type gas sensor that detects an inflammable gas includes a heat-insulating portion; a heater that is formed on the heat-insulating portion; a gas reaction film that is formed on the heater on the heat-insulating portion and includes a carrier carrying a combustion catalyst for the inflammable gas; a temperature-measuring element that is formed in the vicinity of the gas reaction film on the heat-insulating portion; and a soaking portion that is formed on the heat-insulating portion and is arranged between the heat-insulating portion and the gas reaction film. The soaking portion is configured so as to decentralize heat transferred to the soaking portion in the entire soaking portion. | 03-17-2016 |
| 422096000 | Wheatstone bridge | 1 |
| 20090324449 | Gas Detection Apparatus - A gas detection apparatus A comprises a signal processing circuit | 12-31-2009 |
