Did You Know...
...that the x-ray was discovered purely by accident? When German physicist Wilhelm Konrad von Roentgen was experimenting with cathode rays in 1895, he put an activated Crookes tube in a book and went out to lunch. When he returned, he discovered that a key that had also been placed in the book showed up as an image on the developed film!
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| Number | Title | Issue Date |
| 8152980 | Electronically conducting ceramic electron conductor material and the process for producing an air-tight seal in an oxygen sensor with an internal reference A method and an article of an electrically conductive ceramic interconnect bonded to a compatible ceramic housing for an oxygen partial pressure sensor system. The interconnect includes a LaxSryAlzMn1−zO3 (LSA... | 04/10/2012 |
| 7504012 | Quickly activatable structure of gas sensor element A gas sensor element which may be employed in measuring the concentration of gas such O2 is provided. The gas sensor element is of a laminated type and designed to introduce gas to be measured into a measurement gas chamber through a diffusion resistor. T... | 03/17/2009 |
| 7497933 | Gas sensor The present invention provides a gas sensor which allows separation to hardly occur. A gas sensor 1 includes a gas detecting section 2 and a heater section 8 secured in the gas sensor, the heater section 8 including a heating element 3 an... | 03/03/2009 |
| 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 oxygen concentration in the gas of before oxygen is formed by the oxyg... | 10/21/2008 |
| 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 electrode formed on the second surface of the solid electrolyte layer; and a... | 08/05/2008 |
| 7367235 | Thermal expansion compensated pressure sensor A pressure sensor (30) for environments with wide ranging temperatures such as vehicle tires. The sensor has a conductive sensor membrane (53) exposed to the fluid pressure to be sensed, and a similarly conductive reference membrane subject to a predet... | 05/06/2008 |
| 7351318 | Gas sensing element A gas sensing element has at least a sensor cell consisting of a measured gas side electrode positioned in a measured gas chamber, a reference electrode being operative association with the measured gas side electrode, and a solid electrolytic substrate having surfa... | 04/01/2008 |
| 7337772 | Apparatus for and method of controlling temperature of exhaust gas sensor, and recording medium storing program for controlling temperature of exhaust gas sensor The temperature of an exhaust gas flowing through an exhaust passage 3 is estimated or detected, and the temperature of an active element of an exhaust gas sensor 8. (O2 sensor) is controlled at a predetermined target temperature by a heater... | 03/04/2008 |
| 7321287 | Gas sensor According to one embodiment, the gas sensor includes a porous plate-like sintered body comprising trisilicon tetranitride needle crystals; two first catalyst metal thin films and one second catalyst metal thin film, formed on one surface of the plate-like sintered b... | 01/22/2008 |
| 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 the electrode for transmitting an output signal from the gas detecting ... | 01/15/2008 |
| 7318886 | Gas sensor having improved structure for minimizing thermal damage An improved structure of a gas sensor is provided which is designed to minimize thermal damage to a water-repellent filter installed in a base end portion of the gas sensor. The gas sensor has an elastic seal installed in an opening of the base end portion of the ga... | 01/15/2008 |
| 7316767 | Gas sensing element Provided is a multilayer gas sensing element having a high measurement accuracy and less susceptible to a leakage current. The element comprises an oxygen pump cell for adjusting an oxygen concentration in a measured gas chamber, a sensor cell for detecting a specif... | 01/08/2008 |
| 7312042 | Embossed cell analyte sensor and methods of manufacture An analyte measurement system is provided having sensors with embossed test chamber channels. In one embodiment, the sensors are elongate test strips for in vitro testing, each test strip having a substrate, at least one electrode, an embossed channel in the electro... | 12/25/2007 |
| 7287413 | 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 the electrode for transmitting an output signal from the gas detecting ... | 10/30/2007 |
| 7280028 | Temperature sensor and method of making the same A method for manufacturing a planar sensor, comprises disposing a film of a material on a substrate, wherein the material is selected from the group consisting of platinum, rhodium, palladium and mixtures and alloys comprising at least one of the foregoing materials... | 10/09/2007 |
| 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 the holder and positioning the sensor element in the holder and bein... | 08/28/2007 |
| 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 |
| 7241370 | Protective covers for gas sensor, gas sensor and gas sensor manufacturing method A gas sensor comprises a cylindrical metallic housing, a sensor element having at a front end thereof a sensing portion and disposed axially in the housing with the sensing portion protruded from a front end of the housing, a sensor terminal fitted to a rear end of ... | 07/10/2007 |
| 7232512 | System and method of sensitivity adjustment for an electrochemical sensor A gas detector with a compensated electrochemical sensor exhibits altered sensitivity in response to decreasing sensitivity relative to both gas exposure and non-gas exposure. A sensitivity adjustment can be established in response thereto. ... | 06/19/2007 |
| 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. ... | 06/12/2007 |
| 7222516 | Gas sensor, gas sensor cap, and gas sensor unit The invention presents a gas sensor low in cost and easy to form a terminal member, a gas sensor cap connected to the gas sensor for sending an output signal to an external device, and a gas sensor unit capable of holding a stable electrically connected state betwee... | 05/29/2007 |
| 7210331 | Detecting element for determining the concentration of a gas component in a measuring gas, and method for manufacturing the detecting element A detecting element is described, in particular a gas sensor for detecting the concentration of a gas component in a measuring gas, including a sensor element which is exposable to the measuring gas and has a connecting end section which is contacted by connecting c... | 05/01/2007 |
| 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 concentration of oxygen contained in measurement gasses entering a measurement ... | 02/27/2007 |
| 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 and a carbon dioxide gas releasing solid material in thermal communi... | 02/13/2007 |
| 7168288 | Hydrogen sulfide generator for sensor calibration The present invention relates to the use of internally-generated hydrogen sulfide as a calibration gas for hydrogen sulfide sensors. The present invention also relates to an apparatus and methods for self-calibration of hydrogen sulfide sensors. ... | 01/30/2007 |
| 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 current supply circuit, wherein the current, which is outputted from th... | 01/09/2007 |
| 7128818 | Method and apparatus for monitoring gases in a combustion system A method and apparatus for monitoring and measuring gas concentrations in combustor applications is provided, wherein the apparatus is a gas sensor having a plurality of electrodes cooperating with a single electrolyte cell for detecting the presence and concentrati... | 10/31/2006 |
| 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 to at least one electrical cable, as well as a molded piece, which se... | 10/24/2006 |
| 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 |
| 7070435 | Electrical safety plug and socket An electrical plug (1) comprising a prong (4) extending from a body (3), said prong having a tip segment (5) at its free end, a base segment (7) at its other end, and an intermediate segment (6) therebetween, each segment be... | 07/04/2006 |
| 7045047 | Gas sensor element A gas sensor element which may be employed in measuring the concentration of gas such O2, NOx, or CO. The gas sensor element consists of an electrochemical cell made up of a solid electrolyte body formed by a partially stabilized zirconia and a pair of el... | 05/16/2006 |
| 7028464 | Method for purifying exhaust gas of an internal combustion engine A method for purifying the exhaust gas from an internal combustion engine, which is operated under lambda-based closed loop control and which has an exhaust gas tract in which is located a catalytic converter, is provided. According to this method, a pre-converter l... | 04/18/2006 |
| 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 |
| 7011735 | Arrangement for wiring an electrochemical sensor An electrochemical sensor, in particular for determining the oxygen content in exhaust gases of internal combustion engines, has a solid electrolyte element having at least one first electrode, at least one second electrode, and at least one heating element. The sec... | 03/14/2006 |
| 6994780 | Gas sensor and method of detecting gas concentration A gas sensor includes a measurement gas chamber into which a measurement gas is introduced. An oxygen pumping cell adjusts an oxygen concentration in the measurement gas chamber. An oxygen monitor cell has a monitor electrode exposed in the measurement gas chamber. ... | 02/07/2006 |
| 6968679 | Method for operating an internal combustion engine A method for operating an internal combustion engine includes the step of measuring emission values of at least two pollutant components of an exhaust gas of an internal combustion engine. A value of at least one operating parameter of the internal combustion engine... | 11/29/2005 |
| 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 oxides in exhaust gases of internal combustion engines. The sensor eleme... | 11/22/2005 |
| 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 arranged in a layer plane of the layer structure so that an at least ap... | 11/15/2005 |
| 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 |
| 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 surface and the internal surface, respectively, and a heater provided ... | 10/04/2005 |
