| Entries |
| Document | Title | Date |
|---|
| 20080202206 | EXTRACTIVE SAMPLING SYSTEM AND METHOD FOR MEASURING ONE OR MORE MOLECULAR SPECIES - A non-contact, extractive sampling system and method is provided for measuring the exhaust gas composition and fine particle composition of exhaust emissions of various types of vehicles under actual operating conditions. A portion (or sample) of an exhaust plume of a vehicle is pulled or extracted through an extraction sampling tube, via a vacuum pump, to a remote trace gas detection system where the concentration of one or more constituents present in the sample of exhaust plume may be measured. In this regard, the invention enables vehicle emissions measurements to be made at a location remote from roadway, rather than using known, “cross-path” remote emissions sensing systems. | 08-28-2008 |
| 20080202207 | SORBENT TRAP CARTRIDGE FOR MERCURY EMISSIONS MONITORING - A probe for measuring mercury emissions in a flue gas. The probe contains a novel cartridge for holding one or more sorbent traps, which cartridge is easily removed and inserted on-site with reduced danger of sorbent trap damage. | 08-28-2008 |
| 20080216557 | Method and apparatus for estimating exhaust temperature of an internal combustion engine - The invention comprises a method and an article of manufacture to estimate exhaust gas temperature of an internal combustion engine during ongoing operation of the engine. This comprises determining states of a plurality of parameters of a combustion charge. A heat release of the combustion charge is estimated based thereon, and an exhaust gas temperature is estimated based upon the estimated heat release. Exemplary parameters of the combustion charge comprise engine speed, mass air flowrate, engine fueling and fuel injection timing, and, recirculated exhaust gas fraction. | 09-11-2008 |
| 20080229804 | GAS SENSOR - A gas sensor has a sensor element, a housing, an atmosphere-side cover, lead wirings, an elastic member, and a filter assembly. The elastic member has a vertical-hole and lead-wiring holes. The vertical-hole penetrates the elastic member in an axial direction of the gas sensor. The lead wirings are disposed in the lead-wiring holes. The filter assembly composed of a support member and an air filter is fitted to the vertical-hole of the elastic member. The air filter covers at least an end-side opening part and an outer periphery surface connected to the opening part of the support member. The atmosphere-side cover has fastening parts fastening the elastic member. A part of the air filter covering the outer periphery surface of the support member is fastened between the elastic member and the support member. A part of the air filter is disposed at the inside of the support member. | 09-25-2008 |
| 20080236246 | Gas sensor housing for use in high temperature gas environments - An apparatus and method for packaging and operating a gas sensor for use in high temperature gas environments. A gas sensor can be configured, which includes a sensor element and a housing in which the sensor element is located. A parallel gas path can be configured form said housing, wherein said parallel gas path is based on the natural differential pressure with respect to the velocity of said gas. The parallel gas path is preferably vertical to provide a sufficient friction to soot particles compared to the gas, such that when a partial quantity of said gas reaches said sensor element, said soot particles are avoided by said sensor element. | 10-02-2008 |
| 20080236247 | Evaluation System for Amount of Emission Gases Through Fuel Supply Chain - The object of the present invention provides an evaluation system for evaluating accurately emission amount of environmental influence substance of fuel in a fuel supply facility for supplying stored fuel to a consumer. | 10-02-2008 |
| 20080236248 | GAS SENSOR - A protective cover of a gas sensor includes an inner protective cover which covers at least an end portion of a sensor element, an outer protective cover which covers the inner protective cover, and an intermediate protective cover which is installed between the inner protective cover and the outer protective cover. A | 10-02-2008 |
| 20080257012 | Co2 Tracing Method for Measuring Raw Exhaust Gas Flow Rate at Exit From an Internal Combusting Engine for a Motor Vehicle and Measuring Equipment for Carrying Out Said Method - The invention relates to an CO | 10-23-2008 |
| 20080271518 | Gas Sensor - A gas sensor, in particular for determining the oxygen content in exhaust gases of internal combustion engines, having a housing, a sensor element having a multi-layer design which is situated in the housing, and connecting lines lead to the outside for contacting the sensor element. A contacting element of a connecting line penetrates a layer of the sensor element and part of an insulating element situated outside the sensor element. For contacting the sensor element, such a contact configuration makes it possible to directly contact the contacting element of the connecting line, which may be arranged as a contacting pin, to the printed conductor which is formed inside the sensor element. | 11-06-2008 |
| 20080282769 | APPARATUS AND METHOD FOR SHIELDING A SOOT SENSOR - A soot sensor, comprising: a sensing element configured to provide a signal indicative of an amount of soot detected by the sensing element, the sensing element terminating at a tip portion; a shield disposed about the sensing element, the shield comprising an elongated body having a solid side wall terminating at a distal end portion, and a single opening disposed completely across the distal end portion, the single opening having a peripheral edge defined by the distal end portion of the side wall; and an inner area defined by the shield, the area being in fluid communication with the single opening and the tip portion being completely recessed within the area at a distance from the single opening and a peripheral edge of the tip portion being at least a predetermined distance from the solid side wall, the predetermined distance preventing soot from completely blocking the single opening. | 11-20-2008 |
| 20080282770 | MEMS emissions sensor system for a turbine engine - Aspects of the invention are directed to the use of microelectromechanical systems (MEMS) based emissions sensors in a turbine engine system to measure one or more emissions values associated with a gas flow in the system. The emissions value can be, for example, the temperature of a gas flow and/or the amount of a particular compound, such as carbon monoxide, in the gas flow. Due to their small size, a plurality of MEMS emissions sensors can readily be incorporated at various locations in a turbine engine system. For example, the MEMS emissions sensors can be operatively positioned in an exhaust stack, downstream of the last row of blades in the turbine section, or in the leading edge of a turbine vane. The MEMS sensors can be operatively connected to a data acquisition system, which can statistically analyze the emissions values measured by the MEMS sensors. | 11-20-2008 |
| 20080282771 | APPARATUS AND METHOD FOR DETECTING COMBUSTIBLE GAS WITHIN ATMOSPHERE TO BE DETECTED - In apparatus and method for detecting a combustible gas within an atmosphere to be detected, a calculated humidity deviation corresponding to a past gas concentration stored in a memory unit of a microcomputer is calculated on the basis of a correlation between a preset gas concentration of the combustible gas and the calculated humidity deviation, a calculated humidity of the atmosphere to be detected is corrected using the calculated humidity deviation to calculate a corrected humidity, and, when a concentration of the combustible gas is calculated on the basis of a terminal voltage, a temperature of the atmosphere to be detected, and a humidity of the atmosphere to be detected, the calculated corrected humidity is used for the humidity of the atmosphere to be detected calculated on the basis of terminal voltages across first and second heating resistors and the temperature of the detected temperature. | 11-20-2008 |
| 20080295574 | METHOD FOR FUEL ANALYSIS - The invention concerns a method for the fuel analysis in an internal combustion engine, which can be operated with different fuels containing ethanol and gasoline in varying compositions, wherein the gasoline content is ascertained in the fuel. In so doing, it is possible for especially the cold starting characteristics of the internal combustion engine to be improved, because the enrichment of the fuel mixture, which is necessary to achieve this improvement, can be optimally adjusted according to the gasoline content in the fuel. | 12-04-2008 |
| 20080295575 | GAS FLOWMETER AND ENGINE CONTROL SYSTEM - In a gas flowmeter in which a rod and a sensor element are formed as a single body, for preventing heat of the sensor element from flowing into a sensor probe through a substrate (rod) so as to suppress considerable power consumption, and for obtaining a necessary response speed with respect to a flow rate of gas to be measured or a change in temperature, the gas column (rod) is made of an insulating material on a center axis of the sensing probe and is formed with a conductor pattern on its surface, and the sensing probe connects the sensor element disposed in a pipe through which the gas to be measured flows and a harness terminal through the conductor on the surface of the rod, so as to measure a gas flow rate by using the sensing prove. | 12-04-2008 |
| 20080295576 | GAS SENSOR HAVING INSULATOR ASSEMBLY FOR SUPPORTING HEATER - There is provided a gas sensor that includes a sensor element, a heater that comprises an electrode, a housing that holds the sensor element therein, an insulator assembly that surrounds a part of the heater and is constituted of a plurality of insulators, an electric terminal member that is located between the one of the plurality of the insulators and the electrode of the heater, a cover that covers the insulator assembly, a holder for holding the insulator assembly, and an elastic member that is located between the holder and the cover to generate elastic force which is applied at least to the one of the plurality of the insulators to pinch the heater between the one and another one of the plurality of the insulators via the holder so as to bring the electric terminal member into constant electric contact with the electrode of the heater. | 12-04-2008 |
| 20080302171 | SENSOR - To provide a sensor characterized in that corrosion of an outer tube member by adhesion of salt water or the like is restrained, thereby preventing deterioration in detection accuracy of the sensor, which could otherwise result from penetration of salt water or the like into the interior of the outer tube member. | 12-11-2008 |
| 20090031784 | Hydrogen gas sensor - The hydrogen gas sensor is a catalytic combustion hydrogen gas sensor with a detection element | 02-05-2009 |
| 20090038373 | Fuel Quality Evaluation Apparatus, Fuel Quality Evaluation Method and Recording Medium - A fuel quality evaluation apparatus and evaluation method enable a reliable evaluation at a low cost. The apparatus includes a combustion chamber which causes an injected fuel to combust, temperature control means which adjusts an interior temperature of the combustion chamber before injection, injection control means which controls the injection, light intensity measurement means which measures flame combustion light intensity, and analysis means which analyzes the measurement result and evaluates a fuel quality. The analysis means causes the fuel to combust a plurality of times, identifies a transformation of a flame light intensity, and evaluates the quality of the fuel based on a variation in the light intensity transformations for each combustion. | 02-12-2009 |
| 20090044598 | OXYGEN SENSOR AND METHOD FOR MANUFACTURING THE OXYGEN SENSOR - An oxygen sensor and a method for manufacturing the oxygen sensor are provided. The oxygen sensor includes a zirconia layer having first and second sides. The second side is opposite the first side. The oxygen sensor further includes a first electrode disposed on the first side of the zirconia layer. The oxygen sensor further includes a second electrode disposed on the second side of the zirconia layer. The oxygen sensor further includes a porous channel structure configured to route air therethrough to the first electrode while preventing hydrocarbons from flowing therethrough and contacting the first electrode, such that a signal between the first and second electrodes is indicative of an amount of oxygen in exhaust gases contacting the second electrode. | 02-19-2009 |
| 20090056413 | Method And System For Predicting Gas Turbine Emissions Utilizing Meteorological Data - A method and system for determining gas turbine emissions utilizing meteorological data is provided. The method and system may include at least one emissions prediction system. The method and system may also predict at least one meteorological condition. The method and system may also determine an emissions allowance. | 03-05-2009 |
| 20090064758 | METHOD FOR DETERMINING A GAS CONCENTRATION IN A MEASURING GAS BY MEANS OF A GAS SENSOR - The invention relates to a method for determining a gas concentration in a measuring gas by means of a gas sensor. In a first mode of operation of an internal combustion engine, in which the gas concentration in the measuring gas is known, a gas concentration signal and a pressure signal are detected. A compensation parameter of the gas sensor is determined from said signals. The thus determined compensation parameter is taken into account in at least one of the two modes of operation of the internal combustion engine for determining the gas concentration. | 03-12-2009 |
| 20090071229 | NOx SENSOR AND METHOD FOR DETECTING NOx | 03-19-2009 |
| 20090120162 | Thermally Insulating Ceramic Substrates for Gas Sensors - A gas sensor includes a substrate having a low thermal conductivity. Localized heating can be produced using a serpentined heater carried by the substrate. The low thermal conductivity of the substrate substantially confines the generated heat to a region local to the heater thereby reducing required power to operate the sensor. Multiple sensing elements can be deposited onto the substrate adjacent to respective heaters and relatively close together because of the thermal isolation provided by the substrate. In one embodiment, the sensor can include the ceramic substrate, the heater, catalytic material overlying the heater with a gas impermeable layer overlying, at least in part the catalytic material. | 05-14-2009 |
| 20090126456 | SENSOR AND METHOD OF PRODUCING SENSOR - The present invention provides a sensor capable of maintaining an electrical connection between the lead frame and an electrode terminal section of the detection element even when an inadequate external force is applied to a lead frame and a sensor production method capable of preventing the lead frame from buckling and being deformed into an inadequate shape. The lead frame (second lead frame) can inhibit movement of a second frame main body section axially toward a rear end side through engagement of a third locking surface of a second locking section with a second locking groove and can inhibit the second frame main body section from going apart from an inner surface of an insertion hole through engagement of a fourth locking surface of the second frame locking section, which faces an element engagement section side. Namely, even when an external force is applied to the lead frame, movement of the lead frame main body section (second lead frame main body section) can be inhibited and a variation in the relative positions of the lead frame and the detection element can be prevented. | 05-21-2009 |
| 20090139305 | PROCEDURE FOR DETERMINING THE PROPORTIONS OF COMPONENTS OF A FUEL MIXTURE - A procedure for determining the proportion (z) of components of a fuel mixture ( | 06-04-2009 |
| 20090139306 | METHOD AND DEVICE FOR MEASURING THE POLLUTANTS IN EXHAUST GASES OF INTERNAL COMBUSTION ENGINES - A method of measuring oxygen-containing nitrogen components including nitrogen dioxide in exhaust gases of internal combustion engines, wherein an exhaust gas sample is taken from a removal point | 06-04-2009 |
| 20090151425 | NOx SENSOR DIAGNOSTIC DEVICE FOR INTERNAL COMBUSTION ENGINE - A NOx sensor diagnostic device for an internal combustion engine includes a NOx sensor disposed in the exhaust passage of the engine, through which exhaust air discharged from the engine flows, and configured to detect nitrogen oxide included in the exhaust air, an air supply device for supplying air to the exhaust passage, and a sensor determination device for making the NOx sensor detect nitrogen oxide in the exhaust passage, to which air is supplied by the air supply device while the engine is stopped, and for determining that the NOx sensor is abnormal when an output value of the NOx sensor is equal to or larger than a predetermined reference value. | 06-18-2009 |
| 20090158813 | Monitoring Of Exhaust Gas Oxidation Catalysts - The present disclosure is directed at a method, system and apparatus that may include an oxidation catalyst, a first sensor positioned upstream of the oxidation catalyst, a second sensor positioned downstream of the oxidation catalyst. The first and second sensors may respond differently to the concentration of NO and NO | 06-25-2009 |
| 20090158814 | Method and Configuration for Testing a Particle Filter for an Internal Combustion Engine - A particle filter for an internal combustion engine, in particular a soot particle filter, can be tested. The filter is subjected at the inlet side to a hot gas flow which is laden with particles. The particles are supplied to the hot gas flow from a particle storage container by means of a dosing device. The quantity of particles which is introduced into the hot gas flow during a predefined measurement time period is determined by weighing the particle storage container. There is also provided a configuration for carrying out the method. | 06-25-2009 |
| 20090173140 | NOx SENSOR DIAGNOSTIC DEVICE AND EXHAUST GAS PURIFYING SYSTEM USING THE DEVICE - A NOx sensor diagnostic device includes a NOx sensor disposed in an exhaust passage of an engine, an output value obtaining device for obtaining an output value of the NOx sensor, a spray characteristics changing device for changing spray characteristics for a specific cylinder of cylinders of the engine, and a diagnostic device for diagnosing abnormality of the NOx sensor, based on the output value of the NOx sensor that is changed as a result of the change of the spray characteristics for the specific cylinder by the spray characteristics changing device. An exhaust gas purifying system includes a NOx removal system disposed in an exhaust passage of an engine, a NOx sensor disposed in the exhaust passage at least on an upstream side of the NOx removal system in a flow direction of exhaust air flowing through the exhaust passage, and the NOx sensor diagnostic device. | 07-09-2009 |
| 20090183551 | NOx mass estimating unit and method - A NOx mass estimating unit for estimating the NOx mass output from a compression-ignition combustion engine, the engine comprising a plurality of cylinders, each cylinder comprising a combustion chamber into which fuel is injected by an associated fuel injector, said estimating unit comprising inputs for receiving data related to engine rotation and data related to in-cylinder pressure, and a processing arrangement arranged to determine a NOx mass output value in dependence on said data related to engine rotation and data related to in-cylinder pressure. | 07-23-2009 |
| 20090193872 | GAS SENSOR CHIP AND GAS SENSOR PROVIDED THEREWITH - To provide a gas sensor chip, and a gas sensor provided therewith, capable of producing stable output characteristics over an extended period of time even when installed in a harsh environment such as a boiler smokestack carrying exhaust gasses. There is a backside structure wherein a catalyst carrier that contacts a gas to be measured is disposed on one side of a thermal conductor, a temperature sensing portion is disposed in a location that does not contact the gas to be measured, on the other side of the thermal conductor, and the temperature sensing portion measures the temperature corresponding to the temperature of the catalyst carrier through the thermal conductor, to enable the sensing of the amount of flow over an extended period of time without the temperature sensing portion being negatively affected by the gas to be measured. | 08-06-2009 |
| 20090211333 | Sensor assembly having a flow head - A flow head for a gas sensor having a sensing element is provided. The flow head includes a body at least partially defining a cavity in thermal communication with the sensing element. The body includes an inlet port located within an annular surface of the body and an outlet port located within the annular surface of the body. The body also includes an inlet passage offset from and parallel to the cavity, wherein the inlet passage configures the inlet port and the cavity to be in fluid communication with one another. The body further includes an outlet passage offset from and parallel to the cavity, wherein the outlet passage configures the outlet port and the cavity to be in fluid communication with one another. | 08-27-2009 |
| 20090211334 | IMPERFECT COMBUSTION DETECTING DEVICE - An imperfect combustion detecting device includes a destructive current supplying means which supplies, under a condition that it is determined by a useful life determining means that a deterioration status corresponding value matches a use limit value, destructive current to a sensor in order to melt down a part of a circuit that configures the sensor. When it is determined that the sensor is no longer capable of performing a normal CO level detecting function, the sensor is destroyed to the extent rendering the CO level detecting function of the sensor lost to an unrecoverable level. | 08-27-2009 |
| 20090249859 | CATALYTIC COMBUSTION TYPE GAS SENSOR, SENSING ELEMENT AND COMPENSATING ELEMENT FOR THE SAME - A sensing element for catalytic combustion type gas sensor includes: a heat conducting layer ( | 10-08-2009 |
| 20090314056 | GAS SENSOR - A gas sensor with a high temperature electrical connector is provided. The electrical connector incorporates a ceramic connector body having a pair of opposing ceramic body portions which each house a plurality of conductive terminals. The body portions are in pivoting engagement and fixed in a connector body retainer which also enables their pivoting, hinged movement. The pivoting engagement permits the ceramic body portions and terminals to hinge open to receive a gas sensor with a low insertion force and a hinge closed to provide the desired contact force. | 12-24-2009 |
| 20100000290 | GAS SENSOR MOUNTING STRUCTURE - A gas sensor mounting structure ( | 01-07-2010 |
| 20100024520 | ABNORMALITY DIAGNOSIS APPARATUS FOR NOX SENSOR - An NOx catalyst of storage reduction type and an after-catalyst NOx sensor are provided in an exhaust passage in an internal combustion engine. The after-catalyst NOx sensor detects the NOx concentration on the downstream side of the NOx catalyst. The NOx concentration on the upstream side of the NOx catalyst is detected or estimated. The possible abnormality of the after-catalyst NOx sensor is determined by comparing the NOx concentration on the upstream side of the NOx catalyst detected or estimated and the NOx concentration detected by the after-catalyst NOx sensor, under the condition that the NOx catalyst does not substantially absorb NOx in exhaust gas. Abnormality diagnosis is performed with the possible impact of the NOx catalyst inhibited. | 02-04-2010 |
| 20100024521 | Automatic Determination of an Emission Value for a Motor Vehicle - The invention concerns the automatic determination of an emission value for a motor vehicle. For this purpose, a system for the automatic determination of an emission value for a motor vehicle | 02-04-2010 |
| 20100037676 | METHOD AND DEVICE FOR ESTIMATING AN EMISSION OF AT LEAST ONE EXHAUST GAS COMPONENT - An exhaust-gas sensor signal (vls_down) of an exhaust-gas sensor that is disposed in an exhaust gas train downstream of at least one first catalytic converter volume (V | 02-18-2010 |
| 20100043525 | ESTIMATION OF EXHAUST GAS TEMPERATURE AT THE OUTPUT OF THE EGR CIRCUIT OF A COMBUSTION ENGINE - A method for estimating the temperature of exhaust gases of a combustion engine at an output of an EGR circuit fitted on the engine, based on a model that takes into account thermal energy losses of the exhaust gases at an EGR cooler or EGR circuit, the model also taking into account thermal exchange between the exhaust gases and the walls of a duct conveying the exhaust gases to the EGR cooler. A vehicle can implement such an estimation. | 02-25-2010 |
| 20100050738 | Sensor assembly having a thermally insulating enclosure - A sensor assembly is discussed. The sensor assembly may include a housing. The housing may include an inlet port and an outlet port. The sensor assembly may also include a sensing element disposed within the housing and extending along a longitudinal axis from a first end towards a second end. The sensing element may include heating elements. The sensor assembly may also include a sleeve circumferentially disposed about the sensing element. The sleeve may include a first passageway on a first side of the sensing element and a second passageway on an opposite second side of the sensing element. The first passageway and the second passageway may be longitudinal passageways extending along a length of the sensing element. The sleeve may also include an inlet orifice on one side of the sleeve and an outlet orifice on an opposite side of the sleeve. The inlet orifice may fluidly couple the inlet port with the first passageway and the outlet orifice may fluidly couple the outlet port with the second passageway. | 03-04-2010 |
| 20100050739 | Sintered and bonded multilayer sensor - A gas sensor may include a sintered heating component which includes a ceramic insulating material, and a separately sintered sensing component which includes an ionically conductive material. The sensor may also include a bond attaching the sensing component to the heating component. The bond may be made of bonding material which is different from the insulating material and the ionically conductive material. | 03-04-2010 |
| 20100050740 | GAS SENSOR AND GAS SENSOR UNIT - A gas sensor including a detection element having a detection portion; a metal shell that surrounds the detection element so as to expose the detection portion to a measured atmosphere; an outer tube that is fixed to the metal shell so as to cover a rear end side of the detection element; and a seal member that is contained inside the outer tube, the seal member having a lead wire insertion hole and a through hole that penetrates in the axial direction; a tubular holding member made of a resin having a lower coefficient of thermal expansion than the seal member, the tubular holding member being held inside the through hole, the tubular holding member having a ventilation hole; and a filter that covers the ventilation hole, the filter being joined to the holding member, the filter blocking water from passing therethrough, and the filter having air permeability. | 03-04-2010 |
| 20100058832 | Soot Generation Amount Estimation Apparatus For Internal Combustion Engine - A soot generation amount estimation apparatus obtains a generation speed of a precursor of soot (accordingly, the concentration of the precursor) in consideration of formation of the precursor from fuel, thermal decomposition of the formed precursor, and formation of soot from the formed precursor, and estimates a generation speed of soot (accordingly, the concentration of soot (the generation amount of soot)) in consideration of formation of soot from the precursor, which depends on the concentration of the precursor, and oxidation of the formed soot. The apparatus employs a reaction model in which the reaction process in which soot is generated from fuel is divided into two steps; i.e., a reaction process in which a precursor is generated from fuel and a reaction process in which soot is generated from the precursor. Thus, phenomena, such as a “delay in soot generation” in the reaction process in which soot is generated from fuel, can be accurately simulated. | 03-11-2010 |
| 20100064769 | EXHAUST GAS SENSOR - A method of manufacturing an exhaust gas sensor allows the manufacturer to selectively control the air-voltage range of the manufactured sensor between a first air-voltage range and a second air-voltage range. The sensor includes a signal wire and a ground wire. The method includes using a high nickel alloy for both of the signal wire and the ground wire to manufacture a sensor in the first air-voltage range, and using a high nickel alloy for only one of the signal wire and the ground wire to manufacture a sensor in the second air-voltage range. The air-voltage ranges are those associated with a lean-application normalized air/fuel ratio of λ>1. | 03-18-2010 |
| 20100077833 | EXHAUST GAS SENSOR AND METHOD FOR DETERMINING CONCENTRATIONS OF EXHAUST GAS CONSTITUENTS - An exhaust gas sensor and a method for determining concentrations of exhaust gas constituents are provided. The exhaust gas sensor includes a NO | 04-01-2010 |
| 20100077834 | VIRTUAL FLEX FUEL SENSOR FOR SPARK IGNITION ENGINES USING IONIZATION SIGNAL - Alcohol concentration level of flex fuel is estimated based upon in-cylinder ionization signals. The in-cylinder ionization signals are integrated and the rotational completion point of a chosen percentage of the integration total is identified as the integration location for the operating conditions under observation. The calculated integration location correlates with alcohol concentration level of flex fuel, and the integration calculations provide a basis for a virtual flex fuel sensor that provides calculated estimates of alcohol concentration rather than direct sensing using an expensive physical flex fuel sensor. | 04-01-2010 |
| 20100077835 | PARTICULATE MATTER SENSOR - Exemplary embodiments of the present invention relate monitoring particulate matter within an exhaust gas stream. In one exemplary embodiment, a particulate matter sensor for an exhaust system of an engine is provided. The sensor includes a housing having a first end and a second end. The housing includes a sealing feature located at the first end of the housing. The housing further includes an attachment feature located between the first end and the second end of the housing. The sensor further includes a sensing rod extending from the first end of the housing. The sensing rod is configured to generate a signals based upon particulate matter flowing within the exhaust system of the engine. The sensor also includes an electrical connector extending from the second end of the housing. The electric connector is in communication with the sensing rod to transmit signals generated by the sensing rod. | 04-01-2010 |
| 20100077836 | METHOD FOR OPERATING AN EXHAUST GAS SENSOR AND DEVICE FOR CARRYING OUT THE METHOD - A method for operating an exhaust gas sensor, which has at least two electrodes, between which a pump current flows and between which a pump voltage occurs, said sensor being operated with a nominal operating temperature and a low temperature operation being intermittently provided at said sensor, wherein the temperature of the exhaust gas sensor is less with respect to the nominal operating temperature, and a device for carrying out the method are proposed. Provision is made according to the invention for the pump voltage to be acquired and for the low temperature operation to be influenced by the pump voltage. | 04-01-2010 |
| 20100095741 | Sulfur component detecting device - In an internal combustion engine, a metal or a metal compound ( | 04-22-2010 |
| 20100101302 | Particulate sampling system and method of reducing oversampling during transients - Testing of engine particulate matter production during a transient is made more accurate by selecting an appropriate sized opening for a test probe of the sampling system located in the exhaust line upstream from a particulate trap. By examining the pressure signature at the test probe location and utilizing that information in conjunction with a desired volumetric flow rate into the sampling system, a flow opening size for the test probe can be selected that reduces potential oversampling which may be otherwise induced due to the back pressure increases in the exhaust line caused by the presence of the particulate trap. The flow opening into the test probe of the sampling system behaves relative unrestricted when pressure differentials at the test probe location are relatively low, such as during steady state operating conditions, but restricts flow into the sampling system when pressure differentials are relatively high, such as at a pressure during a transient event. | 04-29-2010 |
| 20100107728 | PROCEDURE AND DEVICE FOR DETECTING MANIPULATIONS AT LAMBDA PROBES - A procedure for detecting manipulations at lambda comprises the following steps; the lambda probe is excited by at least one electric excitation signal; at least one electric response signal of the probe is detected; the at least one response signal is compared to at least one default electric response signal that characterizes a not manipulated probe; the deviation of the detected at least one electric response signal from the at least one default electric response signal is used for detecting a manipulation of the probe. A device for detecting manipulations at lambda probes characterized by a switch assembly, with which the probe can be impinged with an electric excitation signal, in particular a step-wise electric excitation, preferably with a current impulse, by a evaluation switch device for evaluating a response signal, in particular the probe voltage and for comparing the excitation signal with the response signal and for assuming a manipulation in the case of a deviation of the response signal from a response signal that characterizes a not manipulated probe. | 05-06-2010 |
| 20100139364 | SENSOR - A sensor including: a sensor element; terminal metal fittings; a terminal surrounding member; and lead wires. The terminal surrounding member is divided into a front side surrounding member and a rear side surrounding member, and a rear end face of the front side surrounding member abuts a front end face of the rear side surrounding member. The sensor includes a fitting structure including a recess portion formed on one of the rear and front end faces and a protruding portion formed on the other, such that one of the front side surrounding member and the rear side surrounding member is prevented from rotating relative to the other about an axis of the sensor, and is prevented from deviating in a direction perpendicular to the axis of the sensor relative to the other. | 06-10-2010 |
| 20100139365 | FIELD EFFECT TRANSISTOR GAS SENSOR HAVING A HOUSING AND POROUS CATALYTIC MATERIAL CONTAINAED THEREIN - A gas sensor for determining gas components in gas mixtures, e.g., for exhaust gases of internal combustion engines, includes a housing and a sensor element configured as a field effect transistor which has source, drain, and gate electrodes applied on a semiconductor substrate. A porous, catalytically active material is provided inside the housing of the gas sensor. | 06-10-2010 |
| 20100162790 | SENSOR ELEMENT FOR DETERMINING THE CONCENTRATION OF AN OXIDIZABLE GAS COMPONENT IN A MEASURING GAS - A sensor element is provided for a gas sensor for determining the concentration of an oxidizable gas component, especially ammonia, in a measuring gas, in particular in the exhaust gas of an internal combustion engine, the sensor element having at least one measuring electrode acted upon by the measuring gas. To eliminate the sensitivity of the sensor element with respect to nitrogen oxides, measuring-gas volumes acting on the measuring electrode are routed through a means for absorbing nitrogen oxides in the form of a regenerative nitrogen-oxide trap. | 07-01-2010 |
| 20100162791 | DEVICE FOR QUANTIFYING THE CONTENTS OF AT LEAST ONE GASEOUS CONSTITUENT CONTAINED IN A GASEOUS SAMPLE FROM A FLUID, RELATED ASSEMBLY AND PROCESS - This device comprises a means ( | 07-01-2010 |
| 20100180665 | SENSOR CONTROL UNIT AND GAS DETECTION APPARATUS - A sensor control circuit unit ( | 07-22-2010 |
| 20100180666 | Condensation nucleus counter - A reservoir ( | 07-22-2010 |
| 20100192670 | DEVICE AND METHOD FOR MEASURING EXHAUST GAS WITH CHARGED PARTICLES - The invention relates to a device used to measure exhaust gas having ionised particles in a motor vehicle. The device comprises an ionising device which includes an electrode arrangement and a charge measuring device. The electrode arrangement comprises at least one pair of electrodes including at least one electrode and at least one counter electrode. A dielectric is arranged between the electrode and the counter electrode in order to generate a dielectrically impeded discharge. The invention also relates to a corresponding method. | 08-05-2010 |
| 20100192671 | METHOD FOR OPERATING AN EXHAUST GAS MASS FLOW SENSOR - A method for operating an exhaust gas mass flow sensor which is used, in particular, in exhaust gas mass flows of motor vehicles has an operating mode and a cleaning mode. In an operating mode, the exhaust gas mass flow sensor is operated at an operating temperature. In a cleaning mode, the exhaust gas mass flow sensor is changed over for the purpose of cleaning a measurement region and is cleaned at a cleaning temperature which is higher than the operating temperature. | 08-05-2010 |
| 20100206042 | Emissions Monitoring Apparatus, System, and Method - Some embodiments of the invention generally relate to an apparatus configured to monitor emissions. The apparatus includes a sampling chamber, a gas analyzer, and a particulate matter analyzer. The sampling chamber is configured to receive a portion of an exhaust flow from an exhaust stack. The portion of the exhaust flow comprises one or more gases and particulate matter. The gas analyzer is configured to receive the portion of the exhaust flow to measure at least one emission level of the one or more gases using a laser and output a signal indicative thereof. The particulate matter analyzer is operatively connected to the sampling chamber and is configured to measure the particulate matter using optics and output a signal indicative thereof. | 08-19-2010 |
| 20100229626 | Apparatus for Detecting a Flammable Atmosphere Within a Compressor, in Particular a Vacuum Pump - Apparatus for detecting a flammable atmosphere within a compressor during operation thereof is provided. The apparatus comprising a test chamber which is selectably connected between the compressor and an exhaust duct of the compressor using isolation means; an ignition device which is located within the test chamber for igniting any flammable fluid mixture present therein; and sensing means associated with the test chamber for monitoring a parameter indicative of combustion within the test chamber and for outputting a signal indicative of the parameter to a controller. | 09-16-2010 |
| 20100229627 | PROTECTIVE EQUIPMENT FOR PARTICULATE MATTER DETECTION DEVICE - A protective equipment | 09-16-2010 |
| 20100229628 | GAS CONCENTRATION DETECTION DEVICE - A gas concentration detection device includes: a first sensor having a resistance layer exposed to a gas, and an electrode covered by the resistance layer, the first sensor producing an output according to a gas component ratio on the electrode surface; and a second sensor having a pump cell that pumps oxygen into a gas chamber that contains part of the gas or discharges oxygen out of the gas chamber, and a sensor cell that produces an output according to a gas component ratio in the gas within the gas chamber, the second sensor producing an output based on the pump cell current when the pump cell is operated such that the output of the sensor cell is a predetermined value; and a hydrogen concentration detection unit that detects a hydrogen concentration in the gas based on an output difference between the first sensor output and the second sensor output. | 09-16-2010 |
| 20100281947 | FIRE DISTINGUISHING DEVICE - A fire distinguishing device includes: a detection device which detects an outbreak of a fire; a fire presence/absence distinguishing device which distinguishes the presence or absence of the fire; and a cumulative time determining device which determines the cumulative time required for distinguishing the presence or absence of the fire, in the fire presence/absence distinguishing device. The cumulative time determining device distinguishes an environment type of an environment where the detection device is installed, or a phenomenon type of a phenomenon being detected by the detection device, and further determines the cumulative time according to the distinguished environment type or phenomenon type. | 11-11-2010 |
| 20100300179 | EXHAUST GAS SENSOR DIAGNOSTIC DEVICE - In a transient state caused by fuel cut, a normal output of an A/F sensor having normal response and a lowered output having response lowered by a predetermined value as compared to the normal output are estimated, and an actual output of the A/F sensor is sensed. S | 12-02-2010 |
| 20100313629 | Preventing Soot Underestimation in Diesel Particulate Filters by Determining the Restriction Sensitivity of Soot - A method of determining a need to perform regeneration of a diesel particulate filter in a diesel engine exhaust predicts a soot load of a diesel particulate filter with a pressure change based soot load estimate based upon a pressure change across the diesel particulate filter at a first time and a second time. A restriction sensitivity for the diesel particulate filter is calculated based upon the pressure change across the diesel particulate filter at the first time and the second time. The method transitions from the pressure change based soot load estimate to a model based soot accumulation estimate of the soot load of the diesel particulate filter upon the restriction sensitivity falling below a predetermined threshold. Regeneration of the diesel particulate filter is requested after the estimated soot level reaches a preset level based upon the soot accumulation model. | 12-16-2010 |
| 20110011152 | AMMONIA CONCENTRATION DETECTION SENSOR - An ammonia concentration detection sensor | 01-20-2011 |
| 20110011153 | RESPONSE SENSING DEVICE OF EXHAUST GAS COMPONENT CONCENTRATION SENSOR - An actual intake air quantity at the time when the intake air quantity is changed compulsorily with an EGR valve is measured with an airflow meter. An oxygen concentration of exhaust gas after combustion in a diesel engine is estimated based on the measured actual intake air quantity and a fuel injection quantity of the diesel engine. The estimated oxygen concentration is compared with an actual oxygen concentration sensed with an A/F sensor, thereby sensing response of the A/F sensor. Even if a response time for causing a change in the intake air quantity with the EGR valve changes, the change of the response time does not affect the estimate of the oxygen concentration since the oxygen concentration is estimated based on the actual intake air quantity. Therefore, the response of the A/F sensor can be sensed with high accuracy. | 01-20-2011 |
| 20110016948 | METHOD AND DEVICE FOR MEASURING THE EMISSIONS OF ENGINES - The invention relates to a method and a device for determining specific emissions as an exhaust gas characteristic of an internal combustion engine. Said method is characterised in that the exhaust gas mass flow ( | 01-27-2011 |
| 20110016949 | GAS CONCENTRATION DETECTION APPARATUS - The present invention relates to a gas concentration detection apparatus for detecting the concentration of a specific gas component in an exhaust gas emitted from an engine, and forms a deterioration judgment about the gas concentration detection apparatus accurately and immediately. After excess oxygen is discharged by an oxygen pump cell | 01-27-2011 |
| 20110041586 | COMBUSTION GAS BLEEDING PROBE AND METHOD FOR RUNNING PROBE - Provided is a combustion gas bleeding probe, which is elongated in lifetime and improved in chlorine removing ability and so on. The combustion gas bleeding probe ( | 02-24-2011 |
| 20110048105 | Dilution System Test Apparatus With Added Capability And Method Of Operating Same - A partial dilution exhaust sampling system has an expanded ability to simultaneously perform two different evaluations on exhaust from a power source. Beyond testing for particulate matter production, the system may simultaneously evaluate exhaust for undesirable gaseous emissions such as NOx and carbon dioxide and/or concurrently evaluate particle size and distribution in the exhaust sample. After extracting sample flow from the exhaust stream of the power source and adding diluent to the sample flow, the diluted sample flow is divided into a first portion flow and a second portion flow. Depending upon whether the additional exhaust evaluation device is in parallel with the particulate measurement gravimetric filter or in series with the filter, a dilution flow actuator and/or an exit actuator may be adjusted to account for a fraction of diluted sample flow directed to the auxiliary exhaust evaluation device. | 03-03-2011 |
| 20110056270 | SENSOR ELEMENT HAVING AN INNER ANODE - A sensor element, which may be used as Lambda probe and/or inside a Lambda probe, for example, is provided for determining at least one physical property of a gas mixture in at least one gas chamber. The sensor element has at least one first electrode, at least one second electrode and at least one solid state electrolyte, which connects the at least one first electrode and the at least one second electrode. The at least one first electrode and the at least one second electrode are situated inside the sensor element. The at least one second electrode is connected to at least one reference gas chamber via at least one discharge air channel. | 03-10-2011 |
| 20110061443 | GAS SENSOR - A gas sensor comprises a gas sensing element, a storage medium to store individual information prepared individually for the sensing element for use in control of the sensing element, and a circuit board supporting the storage medium mounted on the circuit board. A seal portion of a resin covers the circuit board liquid-tightly. An output base includes a mount surface facing to the circuit board. A terminal portion extending through the mount surface is connected with the circuit board and arranged to deliver the individual information through the circuit board. The output base further includes a support projection projecting from the mount surface and including a support surface supporting the circuit board. | 03-17-2011 |
| 20110067481 | EXHAUST GAS SENSOR - An exhaust gas sensor that simultaneously exhibits enhanced water soak resistance and functionality, that is multilayered and exposed to a space in an exhaust path. The exhaust gas sensor includes: an electrolyte layer, positioned between an exhaust electrode and an atmosphere electrode; an atmospheric layer formation layer formed toward the atmosphere electrode to form an atmospheric layer to which the atmosphere electrode is exposed; a porous diffusion resistance layer formed toward the exhaust electrode to control flow rate of an exhaust gas reaching the exhaust electrode; and a porous trap layer formed to cover the entire section exposed to the space in the exhaust path. The trap layer includes a first trap layer, which covers a region near a gas inlet/outlet section of the diffusion resistance layer, and a second trap layer, which covers another region that covered by the first trap layer. The first trap layer is thinner than the second trap layer. | 03-24-2011 |
| 20110100090 | 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. | 05-05-2011 |
| 20110113854 | DEVICE FOR OPERATING A PARTICLE SENSOR - The invention relates to a device for operating a particle sensor in the exhaust gas duct of an internal combustion engine, the particle sensor comprising an interdigital electrode for determining the particles contained in the exhaust gas and a heater for regenerating said particle sensor and an engine management system being associated with the internal combustion engine. Provision is thereby made for a probe control unit to be connected to said particle sensor, for the probe control unit to be disposed in a separate assembly between said particle sensor and the engine management system and for said probe control unit to be connected to said engine management system via a digital bus or an analog interface. The invention relates further to a corresponding method. Device and method allow for the autonomous operation of a particle sensor without the engine management system having to be configured for the operation of said particle sensor. | 05-19-2011 |
| 20110138875 | METHOD FOR MANUFACTURING SENSOR ELEMENT FOR GAS SENSOR - A method for manufacturing a gas sensor element includes (a) printing a wiring pattern of a conductive paste on a green sheet for an oxygen-ion conductive solid electrolyte; (b) laminating a plurality of green sheets including the green sheet having been subjected to step (a) and integrating the plurality of green sheets; (c) cutting out a plurality of element bodies from the laminated body; (d) baking the element body cut out by step (c); (e) heating the element body having been subjected to step (d), in a reducing atmosphere; (f) driving the element body having been subjected to step (e), in an inspection-purpose gas atmosphere for a predetermined time period; and (g) inspecting electrical characteristics of the element body having been subjected to step (f). The element body having passed the inspection of step (g) is assembled as a sensor element in a gas sensor. | 06-16-2011 |
| 20110138876 | Method and Device for Determining an Oxygen Storage Capacity of a Catalytic Converter of an Internal Combustion Engine and Method and Device for Determining a Dynamic Time Duration for Exhaust Probes of an Internal Combustion Engine - An exhaust as catalytic converter is laden with oxygen until it is saturated at least upstream of an exhaust as probe. A predefined first rich air/fuel ration is set in a combustion chamber of a cylinder. A first oxygen storage capacity value is determined as a function of the measurement signal of an exhaust as probe and the predefined first rich air/fuel ratio. The exhaust as catalytic converter is laden with oxygen until it is saturated. A predefined second rich air/fuel ration is set in the combustion chamber of the cylinder. A second oxygen storage capacity value is determined as a function of the measurement signal of the exhaust as probe and the predefined second rich air/fuel ration. A corrected oxygen storage capacity value is determined as a function of the first and second oxygen storage capacity values. | 06-16-2011 |
| 20110146378 | Stack Gas Measurement Device and Method Therefor - A gas sampling device includes an analysis block defining a first portion of a chamber and a dilution block defining a second portion of the chamber. The sampling device includes an exhaust gas orifice at the first portion for withdrawing gas from the chamber in response to an applied suction, a sample gas orifice at the second portion to modify passage of a sample gas entering the chamber in response to the suction, and a dilution gas orifice at the second portion to modify passage of a dilution gas entering the chamber in response to the suction. | 06-23-2011 |
| 20110146379 | Method and Device for Examining an Exhaust Gas Sensor - A first voltage (V | 06-23-2011 |
| 20110162435 | SYSTEM AND METHOD FOR QUANTIFYING THE PRESENCE OF COMPONENTS IN THE EXHAUST OF COMMERCIAL AND/OR HEAVY-DUTY VEHICLES - A system and/or method for quantifying the presence of one or more components in vehicle exhaust, and more particularly to a non-contact, extractive sampling system and method for quantifying the presence of one or more components in exhaust emissions of commercial and/or heavy-duty vehicles that emit exhaust at an elevated level, under actual operating conditions. | 07-07-2011 |
| 20110174052 | HYDROGEN SENSOR ASSEMBLY - A hydrogen sensor assembly is disclosed. The hydrogen sensor assembly includes a sensing element within a sensor housing. The sensor housing includes an opening to facilitate a fluid communication between the sensing element and an exhaust stream of a fuel cell. A substantially water-vapor-impermeable membrane is disposed within the opening between the sensing element and the exhaust stream to militate against water vapor from the exhaust stream entering the sensor housing. The sensor housing may include a second opening to facilitate a fluid communication between the sensing element and an external environment to evacuate water vapor generated by the sensing element. | 07-21-2011 |
| 20110174053 | SYSTEM AND METHOD FOR STABILIZING A SENSOR - Systems and methods are provided for stabilizing an emissions instrument. The emissions instrument includes an emissions sensor. The emissions sensor may be coupled to a gyro stabilizer. The gyro stabilizer may stabilize the emissions sensor, thus resulting in a more accurate and reliable emissions instrument. | 07-21-2011 |
| 20110185786 | OPTICAL SENSING IN AN ADVERSE ENVIRONMENT - A method includes flowing gases including combustion byproducts past an exposed face of an optical element in an engine fluid conduit, and depositing debris on the exposed face of the optical element. The debris may be soot, unburned hydrocarbons, sulfates, and/or a reductant precipitate. The method further includes passing electromagnetic (EM) radiation through the optical element and the flowing gases and interrogating the EM radiation after passing through the optical element and the flowing gases to determine an amount of debris accumulated on the exposed face of the optical element. The method further includes heating a resistive wire thermally coupled to the optical element sufficiently to remove accumulated debris from the exposed face in response to the amount of debris exceeding a threshold. | 08-04-2011 |
| 20110209523 | GAS SENSOR - A gas sensor ( | 09-01-2011 |
| 20110226039 | Flue Gas Sensor With Water Barrier Member - An improved flue gas sensor of a combustion device is disclosed. The flue gas sensor may include a housing and a gas detector disposed within the housing, wherein the gas detector detects or measures at least one gas in a flue gas stream of the combustion device. The housing may also include a water barrier member through which the at least one gas comes into contact with the gas detector. By keeping water and water vapor away from the gas detector, premature failure of the flue gas sensor caused by corrosion may be prevented. | 09-22-2011 |
| 20110252864 | Emissions Test System And Method - An emission test system may include at least one controller configured to determine, directly or indirectly, a quantity of diluted exhaust sample in a container at the completion of an emissions test, and to cause additional diluent gas to be added to the container based on the determined quantity. | 10-20-2011 |
| 20110252865 | PARTICULATE MATTER DETECTING DEVICE - The particulate matter detecting device of the present invention includes: a sensor element having a plate-shaped element substrate, at least one pair of measurement electrodes arranged on one end face of this element substrate, a heater electrode arranged on either of end faces or inside of the element substrate, and a plurality of lead terminals arranged on the other end face of the element substrate and electrically connected to each of the measurement electrodes and the heater electrode; and an outer sheath body having a columnar barrel portion and a barrel-portion end face arranged on one end face of the barrel portion, in which the sensor element is arranged in the barrel portion of the outer sheath body such that the pair of measurement electrodes is exposed from an open frontal area of the barrel-portion end face. | 10-20-2011 |
| 20110252866 | PARTICULATE MATTER DETECTING DEVICE - A particulate matter detecting device includes a sensor element having a measurement electrode and a heater electrode provided on one end portion of a plate-like element substrate, a cylindrical lead terminal cover member having the sensor element inserted into a penetration portion that penetrates in an axial direction thereof so that the sensor element is held inside a detecting device external cylinder, and the detecting device external cylinder. The penetration portion includes a first penetration portion having a size corresponding to that of a cross section of the sensor element, and a second penetration portion with a larger cross section perpendicular to the penetration direction than that of the first penetration portion. An electrical insulating sealant is filled in a gap between the second penetration portion and the sensor element inserted into the second penetration portion so that the sensor element and the lead terminal cover member are fixed. | 10-20-2011 |
| 20110252867 | METHOD FOR DIAGNOSING THE PERFORMANCE OF A CATALYTIC CONVERTER - The invention relates to a method for diagnosing the performance of a catalytic converter ( | 10-20-2011 |
| 20110265551 | Emission Control with a Particulate Matter Sensor - A method for controlling a particulate matter sensor heater is provided. The method includes operating the heater to burn-off soot accumulated on the sensor; and adjusting the heater level based on sensor output generated during the heater operation. In this say, improved heater control can be achieved using the sensor output already available. | 11-03-2011 |
| 20110265552 | SYSTEM AND METHOD FOR QUANTIFYING THE PRESENCE OF COMPONENTS IN THE EXHAUST OF COMMERCIAL AND/OR HEAVY-DUTY VEHICLES - A system and/or method for quantifying the presence of one or more components in vehicle exhaust, and more particularly to a non-contact, sampling system and method for quantifying the presence of one or more components in exhaust emissions of commercial and/or heavy-duty vehicles that emit exhaust at an elevated level, under actual operating conditions. | 11-03-2011 |
| 20110277539 | Method and device for monitoring the combustion of fuel in a power station - A method and a device for monitoring the combustion of fuel in a power station are provided. An actual concentration distribution of a material in a combustion chamber is measured, the actual concentration distribution is evaluated, taking into consideration a combustion stochiometry, and conclusions are drawn regarding a composition of the fuel on the basis of the evaluation that has been carried out. | 11-17-2011 |
| 20110290000 | METHOD AND SYSTEM FOR FUEL VAPOR CONTROL - A method and system for fuel vapor control in a hybrid vehicle (HEV). The HEV fuel vapor recovery system includes a fuel tank isolation valve, which is normally closed to isolate storage of refueling from storage of diurnal vapors. The method for fuel vapor control includes selectively actuating the fuel tank isolation valve during interrelated routines for refueling, fuel vapor purging, and emission system leak detection diagnostics to improve regulation of pressure and vacuum the HEV fuel vapor recovery system. | 12-01-2011 |
| 20110302993 | FUNCTION TEST OF FUEL CELL EXHAUST GAS STREAM HYDROGEN SENSOR BY GENERATING DEFINED HYDROGEN PULSES WHILE DRIVING AND AT REGULAR SERVICE WITH FUEL CELL SYSTEM IMMANENT DEVICES - A system and method for determining whether a hydrogen concentration sensor in the exhaust of a fuel cell system is operating properly during operation of the system. The method includes injecting hydrogen gas pulses from an injector directly into the system exhaust and analyzing a sensor response from those hydrogen injection pulses. Alternately, pulses from anode purges or bleeds can be provided to the exhaust to determine sensor response. | 12-15-2011 |
| 20110314898 | SENSOR ELEMENT AND METHOD FOR DETERMINING GAS COMPONENTS IN GAS MIXTURES, AND USE THEREOF - A sensor element of a gas sensor for determining gas components in gas mixtures, having at least one electrochemical measuring cell which is formed by a ceramic substrate and electrodes placed thereon. The sensor element includes at least one interior chamber which is sealed in a gas-tight manner, in which at least one first internal electrode is positioned, which forms an electrochemical cell with each of a second and an additional electrode of the sensor element, one of the electrochemical cells being an electrochemical pump cell, and the second or other electrode being exposed to the measuring gas. | 12-29-2011 |
| 20120000270 | METHOD FOR DETECTING ABNORMALITY IN REDUCING AGENT - Disclosed is a method for detecting abnormality in a reducing agent | 01-05-2012 |
| 20120006093 | GAS SENSOR - [Objective] To provide a gas sensor in which the insulation among conduction members is stably secured through stable maintenance of the insulation property of a separator provided within a sheath, whereby a normal output can be obtained from a detection element. | 01-12-2012 |
| 20120017665 | SENSOR ELEMENT OF A GAS SENSOR AND METHOD FOR OPERATING THE SAME - A sensor element of a gas sensor for determining gas components in gas mixtures includes a field effect transistor and/or a diode which has a current flow which changes upon contact with a gas to be detected, and which is positioned in a manner protected, by a protective cap, from direct access by the gas mixture. The protective cap has a heating element, a glass former, and/or an oxidation catalyst. | 01-26-2012 |
| 20120031167 | METHOD AND DEVICE FOR CONTROLLING OR MONITORING FIRING SYSTEMS AND FOR MONITORING BUILDINGS HAVING GAS BURNERS - A method for controlling or monitoring firing systems and for monitoring buildings having gas burners using spectroscopy, provides at least one wavelength-tunable monochromatic light source. An absorption spectrum of a measuring gas is received with at least one photodetector in an absorption path with spectral tuning of the light source, and the concentration of target gases carbon monoxide (CO) and methane (CH4) can be determined simultaneously during tuning of the light source. A device for carrying out the method includes a monochromatic laser diode, in particular a VCSEL, an absorption path in the exhaust gas region or a space endangered by leakage, a photodetector for receiving light passed through the absorption path, and an evaluation unit for determining the concentration of target gases based on the absorption spectrum covered during the laser or laser diode tuning. The method and device are applied in laser-optical gas sensors in gas firing systems. | 02-09-2012 |
| 20120085146 | PARTICULATE MATTER DETECTION SENSOR - A PM-sensor having a sensor element is provided to an exhaust pipe. The sensor element has a concaved chamber on a particulate matter detection surface of an insulating substrate body, and a detection electrode formed on a bottom surface of the chamber. An insulating protecting layer covers an upper opening of the concaved chamber. The insulating protecting layer has a plurality of penetrating holes through which only particulate matter to be detected can passes. | 04-12-2012 |
| 20120111092 | GAS SENSOR - A protector ( | 05-10-2012 |
| 20120125080 | EXHAUST GAS SAMPLING AND ANALYSIS SYSTEM - An exhaust gas sampling and analysis system includes a main flow channel in which a flow restriction mechanism and a first suction pump are arranged; a measurement flow channel in which an exhaust gas analysis device is provided and that extends from the main flow channel at a position downstream of the flow restriction mechanism; and a compensation flow channel in which a flow rate adjustment mechanism is provided and that extends from the main flow channel at a position downstream of the point from which the measurement flow channel extends. The first suction pump further reduces the pressure of the exhaust gas. The flow rate adjustment mechanism adjusts, in order that the pressure of the exhaust gas at the point from which the measurement flow channel extends is a predetermined value, the flow rate of the compensation gas. | 05-24-2012 |
| 20120131984 | ELECTRICAL CONNECTION SYSTEM FOR A VEHICLE - An electrical connection system for a vehicle, comprising an elongated dielectric component ( | 05-31-2012 |
| 20120151991 | Exhaust Gas Analyzer - A flue gas analyzer device which can be held in one hand and which has a probe barrel for drawing in a gas sample with a pump, a thermocouple arranged in the probe barrel, and with a housing receiving a battery-powered evaluating and measuring device. A pump chamber, a condensate chamber, a condensate separator, and the probe barrel are arranged axially one behind the other in front of a handle of the pistol-shaped housing of the analyzer device. The gas sample is drawn in from the condensate chamber via an exchangeable filter device by the pump arranged in the pump chamber and is supplied for analysis to sensors arranged in the handle via a line. | 06-21-2012 |
| 20120160008 | APPARATUS FOR ANALYZING GAS INFORMATION - A gas information estimation apparatus ( | 06-28-2012 |
| 20120160009 | EXHAUST GAS ANALYZING SYSTEM AND EXHAUST GAS ANALYZING METHOD - An exhaust gas analyzing system includes, on an upstream side of an analytical instrument, an exhaust gas introduction pipe of which one end is opened to an exhaust gas flow path through which exhaust gas from an engine flows and the other end is connected to the analytical instrument. A switching mechanism selectively switches between a sampling path that samples the exhaust gas from the exhaust gas introduction pipe to introduce the sampled exhaust gas into the analytical instrument and an air introduction path that introduces air into the analytical instrument. When the engine is operated, a path to the analytical instrument is switched to the sampling path by the switching mechanism. When the engine is stopped, the path is switched to the air introduction path by the switching mechanism. | 06-28-2012 |
| 20120167664 | METHODS, SYSTEMS AND APPARATUS FOR DETECTING MATERIAL DEFECTS IN COMBUSTORS OF COMBUSTION TURBINE ENGINES - A system for detecting defects in a combustion duct of a combustion system of a combustion turbine engine while the combustion turbine engine operates, wherein the combustion duct comprises a hot side, which is exposed to combustion gases and, opposing the hot side, a cold side. The system may include: an indicator coating disposed on an outer surface of the combustion duct, the indicator coating comprising a detectable substance; and a gas sensor positioned downstream of the combustor, the gas sensor configured to take a measurement of the amount of the detectable substance in the combustion products of the combustion turbine engine. | 07-05-2012 |
| 20120167665 | SYSTEM AND METHOD FOR MONITORING AND DETECTING FAULTS IN A CLOSED-LOOP SYSTEM - The disclosure provides a method, system and internal combustion engine system in which a closed-loop system having a controllable variable is monitored to detect the off-nominal behavior of the closed-loop system and raise an alarm or other alerting mechanism when fault is detected. The faults in a closed-loop system show up in such a way that the tracking error signal is impacted and this impact manifests itself as a change in the frequency components. A filter is used to isolate a band of frequency components of the tracking error signal that are more impacted than other by deviation caused by a fault to be detected. The filter can be designed to effectively amplify the section of the error tracking signal that contains the frequency components that have the major impact. In addition, the filter will also have the characteristics to attenuate the impact of other frequency components. An accumulated error signal is generated from the filtered tracking error signal, compared with a predetermined fault threshold characteristic, and a fault indication/warning/alert is provided for the closed-loop system if the accumulated error signal meets the predetermined threshold. | 07-05-2012 |
| 20120180548 | SYSTEM FOR DETERMINING EXHAUST GAS VOLUME - A system is disclosed, including: a plurality of Bragg gratings distributed in positions transversely to the direction of flow of an exhaust gas in an exhaust gas channel of the device; an optical wave guide structure including at least one optical wave guide and in which the Bragg gratings are embodied; a heating device arranged adjacently to the Bragg gratings and through which the Bragg gratings are subjected to heat, or a cooling device arranged adjacently to the Bragg gratings, through which the Bragg gratings are subjected to cold; at least one light source for irradiating light into the optical wave guide structure; and at least one signal processing device which determines, from light backscattered from Bragg gratings in the optical wave guide structure against its original direction of diffusion, the speed of the flow of the exhaust gas. | 07-19-2012 |
| 20120186329 | PARTICLE SENSOR, EXHAUST SYSTEM AND METHOD FOR DETERMINING PARTICLES IN THE EXHAUST GAS - A particle sensor for exhaust system is provided. In one embodiment, the particle sensor comprises a sensor element and an integrated amplifier circuit for amplifying a reference voltage for the sensor element. In this way, the particle sensor may provide increased sensitivity. | 07-26-2012 |
| 20120192619 | Flow Sensors Having a Flow Duct in the Cover, and Sensor Tip as Intermediate Product - For mass production of anemometers for EGR systems with hot exhaust gas streams having temperatures up to 200° C. or 300° C., conductors and film resistors are placed onto a bed, and are covered on this bed, e.g. A sensor tip of the flow sensor of the anemometer is made of inorganic materials up to the housing cover. A cable is led into a housing and self-supporting electrical conductors are led through the housing cover. In the housing, leads of the cable are connected to the self-supporting electrical conductors. Using bed profiles passing through the cover, the film resistors are spaced from the housing sufficiently far that the film resistors and the housing are largely thermally decoupled. As an intermediate product, a measurement tip or a sensor bar as part of a sensor tip is made of purely inorganic components, in order to make the mass production efficient. | 08-02-2012 |
| 20120198911 | METHOD AND DEVICE FOR IDENTIFYING THE FUEL QUALITY IN A FUEL TANK OF AN INTERNAL COMBUSTION ENGINE - In a method and a device for identifying the fuel quality in a fuel tank of an internal combustion engine, a reference volume with fuel is provided, which does not intermix with the fuel in the fuel tank when the fuel tank is refilled. After startup of the internal combustion engine, fuel from the fuel tank and from the reference volume is sequentially sucked into the internal combustion engine and parameters which depend from the fuel quality of the sucked-in fuel are measured and evaluated for both the fuel tank and the reference volume. If the parameter differ from one another, it can be concluded that the fuel quality of the fuel in the fuel tank before startup of the internal combustion engine has changed. A quantity (fuel factor) can then be taken into consideration in the mixture pre-control. | 08-09-2012 |
| 20120210769 | APPARATUS AND METHODS FOR FLUID CONTAMINATION DETECTION SYSTEM - An apparatus and method for supporting a contamination detection system for determining the presence and levels of foreign particles and/or water in fluid samples, such as fuel. The apparatus may include a contamination detection system, a hollow rod, and a bypass tube. The contamination detection system may have a flush mode in which the fluid bypasses a detection monitor of the contamination detection system, flowing into the hollow rod. The contamination detection system may also have a test mode in which the fluid passes through the detection monitor, through the bypass tube and then into the hollow rod. The hollow rod may be mounted to a collection container for receiving fluid from the hollow rod. A ground wire for eliminating static build up during contamination testing may be conductively coupled with the hollow rod and may be supported on a ground wire support structure fixed to the collection container. | 08-23-2012 |
| 20120234077 | METHOD AND APPARATUS FOR IDENTIFYING GAS SENSOR FAULTS - A method for fault identification of gas sensors exposed to a gas mixture is disclosed for gas sensors having an output that depends on concentrations of two gas species in the gas mixture. The method includes receiving output signals from two such sensors, processing the output signals in a controller that implements a model of the sensors so as to identify a fault in the first gas sensor or the second gas sensor; and providing an indication of any identified faults. | 09-20-2012 |
| 20120255340 | Method And Device For Operating A Particle Sensor - A particle sensor arranged in an exhaust duct such that particles from the exhaust-gas flow accumulate on and/or between at least two sensor electrodes when a voltage greater than a limit voltage is applied between the two sensor electrodes and substantially no particles accumulate if the voltage is lower than the limit voltage. During a first time period, a first voltage greater than the limit voltage is applied between the sensor electrodes. During a second time period, a second voltage, lower than the limit voltage, is applied between the sensor electrodes, and/or the particle sensor is heated to a predefined temperature, such that substantially no particles accumulate on and/or between the at least two sensor electrodes. Following the second time period, a third voltage greater than the limit voltage is applied between the sensor electrodes. | 10-11-2012 |
| 20120272714 | GAS STATE ESTIMATION DEVICE FOR INTERNAL COMBUSTION ENGINE - A time-course change (dM/dt) in the mass of air in an intake passage downstream of a throttle value is estimated through application of a mass conservation law to the air in the passage. A time-course change dTm/dt in the temperature of the air in the passage is estimated through application of an energy conservation law to the air in the passage. The pressure of the air in the passage is estimated on the basis of the mass of the air in the passage obtained through integration of dM/dt with respect to time, the intake air temperature obtained through integration of dTm/dt with respect to time, and a state equation applied to the air in the passage. Only the state equation includes a term regarding the volume of the passage. Therefore, it is possible to easily identify the volume while monitoring only a change in the intake air pressure. | 11-01-2012 |
| 20120279278 | DETECTOR FOR DETECTING SULFUR COMPONENTS - The present detector for detecting sulfur components includes a storage portion for storing SOx and NOx in the exhaust gas passing through an exhaust passage, in which the more an amount of stored SOx increases, the more an amount of NOx that can be stored decreases, estimates the amount of stored SOx on the basis of an amount of NOx stored in the storage portion, and detects an integrated amount of SOx passing through the exhaust passage during a given period or an value on the basis of the integrated amount. In the present detector, the estimating of the amount of stored SOx for detecting the integrated amount of SOx or the value on the basis of the integrated amount is prohibited when a current amount of NOx that can be stored is not stored in the storage portion. | 11-08-2012 |
| 20120304736 | METHOD, PARTICLE SENSOR AND PARTICLE SENSOR SYSTEM FOR MEASURING PARTICLES - A method and a particle sensor ( | 12-06-2012 |
| 20120304737 | Emissions Test System And Method - An emission test system may include at least one controller configured to determine, directly or indirectly, a quantity of diluted exhaust sample in a container at the completion of an emissions test, and to cause additional diluent gas to be added to the container based on the determined quantity. | 12-06-2012 |
| 20120312074 | AGGLOMERATION AND CHARGE LOSS SENSOR FOR MEASURING PARTICULATE MATTER - A sensor assembly to measure particulate matter is described. The sensor assembly includes a voltage source, a sensor electrode, a grounded assembly, an integration capacitor, and a current meter. The sensor electrode is coupled to the voltage source to receive a voltage. The sensor electrode is disposed within a directed and controlled exhaust flow within the sensor assembly to facilitate particle agglomeration into particulate matter structures at a surface of the sensor electrode. The grounded assembly is coupled to a ground reference and disposed at a distance from the sensor electrode. The integration capacitor is coupled to a negative side of the voltage source. The integration capacitor is configured to integrate in time current pulses from charge transfers from the sensor electrode of the particulate matter structures. The current meter is coupled to the voltage source to measure an integrated value of current supplied to the voltage source in response to charge transfers from the sensor electrode to the particulate matter structures in the exhaust flow. | 12-13-2012 |
| 20120312075 | METHOD AND DEVICE FOR ANALYZING THE EXHAUST GAS OF INTERNAL COMBUSTION ENGINES, AND EXHAUST GAS COOLER FOR THIS DEVICE - A method for analyzing the exhaust gas of internal combustion engines provides for the cooling of the exhaust gas before analysis, the determination of the concentration of at least two different exhaust gas components in at least two separate analysis stages or the determination of the concentration of a single exhaust gas component with at least two different cooling stages. In order to achieve a higher measuring accuracy, at least one first cooling is carried out before a first analysis stage and at least one second cooling is carried out at a lower temperature than that of the first cooling before at least one further analysis stage. | 12-13-2012 |
| 20120318040 | SYSTEM AND METHOD OF DETECTING HEAD GASKET DEGRADATION - A system and method of detecting a degraded head gasket in an engine. The detection of a combustible product in the coolant of a cooling system for the engine is used to indicate a degraded head gasket. The combustible product detection is facilitated by deaerating the engine coolant in a dearating tank. Gases extracted from the coolant in the deaerating tank are sampled and detected by a combustible product sensor, which outputs a signal if the combustible product is detected. | 12-20-2012 |
| 20130000383 | GAS SENSOR - A gas sensor includes an inner electrode formed on an inner surface of a base body. The inner electrode has an inner sensing portion formed in a gas contact inner region such that the inner sensing portion is located on the whole of a heat-facing area of the gas contact inner region facing a heating portion in a radial direction of the base body, a terminal contact portion formed in a rear end region such that the terminal contact portion is located in at least a part of the rear end region in a circumferential direction of the base body and a lead portion formed only on a part of the inner surface of the base body in the circumferential direction of the base body so as to connect the inner sensing portion and the terminal contact portion to each other. | 01-03-2013 |
| 20130014560 | Sample System For Gaseous Emission MeasurementAANM WEI; QiangAACI San AntonioAAST TXAACO USAAGP WEI; Qiang San Antonio TX US - Disclosed herein are sampling systems and sampling methods for regulating the provision of sample gases to downstream analytical equipment, such as an exhaust bench for analyzing exhaust gases emitted from an internal combustion engine. In some embodiments, the described systems and methods can enable accurate measurements to be taken from a source of gaseous samples, regardless of the gaseous sample inlet pressure. | 01-17-2013 |
| 20130031952 | GAS SENSOR WITH THERMAL SHOCK PROTECTION - A thermal shock protected gas sensor includes a body, a ceramic sensor element positioned in the body, and a protection tube. Thermal shock protection against liquid water impingement on the hot ceramic sensor element is provided by a sleeve of ceramic fiber woven fabric positioned between the ceramic sensor element and the protection tube, and an annular gap between the ceramic sensor element and the protection tube on at least one side of the sleeve. Alternately, thermal shock protection is provided by a porous monolithic cast ceramic layer between the ceramic sensor element and the protection tube. | 02-07-2013 |
| 20130031953 | Self-Testing Combustible Gas and Hydrogen Sulfide Detection Apparatus - An automated testing apparatus for remotely performing a testing sequence to ensure that a sensor is functioning. The apparatus can include a detector, a storage container, a burst valve in fluid communication with the storage container, a testing control module in communication with the storage container and the burst valve, and a remote user interface remotely located from the detector. Preferably, the automated testing apparatus can simplify the testing procedure, increase the frequency of sensor testings, thereby notifying operations of sensor failures in a more timely fashion without the need for an operator to check the sensor locally. | 02-07-2013 |
| 20130031954 | PM AMOUNT DETECTING APPARATUS - A PM amount detecting apparatus having a PM sensor installed in a sensor case into which a part of exhaust gas of an internal combustion engine allowed to flow through an exhaust gas passage is intaken. The sensor case has a structure which lowers a flow rate of the exhaust gas therein to such an extent that PM is capable of performing thermal phoresis, and a structure which generates therein such a temperature difference that PM is guided to the PM sensor in accordance with the thermal phoresis. | 02-07-2013 |
| 20130042667 | DETECTOR FOR DETECTING SULFUR COMPONENTS - A detector for detecting sulfur components having a storage portion for storing SO | 02-21-2013 |
| 20130047702 | SENSOR MONITORING METHODS AND SYSTEMS - A method of monitoring a sensor of an exhaust system is provided. The method includes evaluating humidity of air entering the exhaust system; and monitoring operation of a sensor in the exhaust system based on the humidity. | 02-28-2013 |
| 20130067989 | SYSTEM AND METHOD FOR DETECTING POLLUTION BY POISONOUS MATERIAL FOR AIR EXHAUSTER OF VEHICLE - A system for detecting pollution by a poisonous material for an air exhauster of a vehicle may include a temperature sensor provided to the flow line of an exhaust gas and having a catalyst material that causes an exothermic reaction with a pollution material in the exhaust gas, and a controller which stores a standard temperature value of the temperature sensor and operates in such a manner that the exhaust gas may be heated under control of an engine control unit when the temperature value drops by a predetermined amount from the standard temperature value, and that the catalyst material may be determined to have deteriorated when a measured temperature value after heating may be less than the standard temperature value, so that the standard temperature value may be replaced with the measured temperature value, and to a detection method using the same. | 03-21-2013 |
| 20130067990 | METHOD FOR RECOGNIZING AT LEAST ONE FEATURE OF THE FUEL IN AN INTERNAL COMBUSTION ENGINE - A method recognizes at least one feature of fuel in an internal-combustion engine ( | 03-21-2013 |
| 20130074578 | GAS SENSOR - A gas sensor ( | 03-28-2013 |
| 20130104625 | GAS SENSOR ELEMENT AND GAS SENSOR | 05-02-2013 |
| 20130118229 | EXHAUST GAS ANALYZING DEVICE, MANAGEMENT DEVICE FOR EXHAUST GAS ANALYZING DEVICE AND MANAGEMENT PROGRAM FOR EXHAUST GAS ANALYZING DEVICE - The present invention is intended to be able to restore a setting of an exhaust gas analyzing device to an initial setting at the time of product shipment or the latest maintenance setting performed prior to the corresponding maintenance in the maintenance of the exhaust gas analyzing device. The present invention includes a setting data storage part ( | 05-16-2013 |
| 20130133399 | SENSOR CONTROL APPARATUS AND SENSOR CONTROL SYSTEM | 05-30-2013 |
| 20130133400 | DEVICE FOR MEASURING AT LEAST ONE EXHAUST GAS COMPONENT IN AN EXHAUST GAS DUCT OF A COMBUSTION PROCESS | 05-30-2013 |
| 20130145820 | SENSOR MOUNTING ARRANGEMENT - An arrangement for mounting at least one electrical component to a portion of an aftertreatment module, the arrangement including; at least one standoff member coupled between the electrical component and the portion of the aftertreatment module, and an enclosure substantially surrounding at least three sides of the electrical component. | 06-13-2013 |
| 20130145821 | PARTICULATE MATTER SENSOR UNIT - A particulate matter (PM) sensor unit may include an exhaust line where exhaust gas passes, and a PM sensor that may be disposed at one side of the exhaust line and that generates a signal when particulate matter included in the exhaust gas passes the vicinity thereof, wherein the PM sensor may be an electrostatic induction type that generates an induction charge while the particulate matter having an electric charge passes the vicinity thereof. | 06-13-2013 |
| 20130145822 | METHOD AND SYSTEM FOR EXHAUST CLEANING - A method and a system for estimation of a soot load in a particle filter in an exhaust cleaning system, which estimation involves using a pressure drop across said particle filter in order to determine the soot load. Measurement of the pressure drop across the particle filter and therefore the estimation have to take place at a time when an exhaust mass flow of the exhaust cleaning system exceeds a flow threshold value, the particle filter is substantially free from water and a temperature of the particle filter exceeds a first threshold value. The result is a robust estimate of the soot load in the particle filter. | 06-13-2013 |
| 20130160521 | SYSTEM AND METHOD OF GENERATING SELECTIVE CATALYST REDUCTION DOSING ESTIMATE FOR A DIESEL ENGINE - A control system for an engine having an in-cylinder pressure sensor and a selective catalytic reduction device comprises an electronic control module and an in-cylinder pressure sensor. The electronic control module has a processor and a memory. The in-cylinder pressure sensor is disposed in fluid communication with a cylinder of an engine. The incylinder pressure sensor is disposed in communication with the electronic control module. The in-cylinder pressure sensor generates an output indicative of a pressure within the cylinder of the engine. The processor of the electronic control module is programmed to generate an estimate of an amount of NOx produced during combustion, and calculate an amount of reductant required to react with the NOx to limit NOx emissions to a predetermined level. | 06-27-2013 |
| 20130174641 | EXHAUST GAS ANALYSIS SYSTEM AND EXHAUST GAS ANALYSIS PROGRAM - The present invention is one that, even while cooling exhaust gas without dilution, makes it possible to accurately measure particle concentration, and provided with: a particle concentration measurement device; a sampling cooling pipe that cools the exhaust gas collected from an exhaust gas transfer pipe to a measurable temperature of the particle concentration measurement device without dilution, and introduces the cooled exhaust gas into the particle concentration measurement device; a temperature sensor that detects temperature of the exhaust gas flowing into an exhaust gas inlet; and a calculation device that, from the detected temperature by the temperature sensor and the temperature of the exhaust gas introduced into the particle concentration measurement device, corrects measured particle concentration by the particle concentration measurement device in real time to calculate the particle concentration of the exhaust gas flowing through the exhaust gas transfer pipe. | 07-11-2013 |
| 20130219989 | FUEL PROPERTY DETECTING DEVICE - A fuel property detecting device includes an electrode part; a voltage conversion part; a standard voltage application part; an amplifying part; a temperature detection unit; a storage unit; a first calculation unit; a second calculation unit for calculating alcohol concentration in fuel based on capacitance calculated by the first unit, present fuel temperature, and a map indicating a first relationship between capacitance and fuel temperature; a third calculation unit; a conductivity determination unit for determining whether present conductivity calculated by the third unit is a predetermined conductivity or larger; a fourth calculation unit for calculating a second relationship between conductivity and fuel temperature based on past conductivity, past fuel temperature, present conductivity calculated by the third unit, and present fuel temperature; and an abnormality determination unit for determining whether the electrode part is abnormal based on the second relationship, and a coefficient of temperature properties indicating the second relationship. | 08-29-2013 |
| 20130219990 | AGGLOMERATION AND CHARGE LOSS SENSOR FOR MEASURING PARTICULATE MATTER - A sensor includes a housing, a central sensor electrode assembly, an insulating member, and a trace. The central sensor electrode assembly is coupled to a supply side of a voltage source. The insulating member is coupled between the housing and the central sensor electrode assembly. The insulating member circumscribes a section of the central sensor electrode assembly. The trace is coupled to the insulating member and circumscribes the section of the central sensor electrode assembly. The trace directs at least a portion of leakage current away from a voltage ground offset on an opposite side of the central sensor electrode assembly. | 08-29-2013 |
| 20130233051 | PARTICULATE MATTER SENSOR AND SYSTEMS - A system including a channel; a particulate matter sensor disposed in fluid communication with the channel, the particulate matter sensor having a sensitivity that increases in response to exposure to particulate matter; and a controller coupled to the particulate matter sensor and configured to monitor the channel in response to the sensitivity of the particular matter sensor. | 09-12-2013 |
| 20130233052 | SYSTEM AND METHOD FOR QUANTIFYING THE PRESENCE OF COMPONENTS IN THE EXHAUST OF COMMERCIAL AND/OR HEAVY-DUTY VEHICLES - A system and/or method for quantifying the presence of one or more components in vehicle exhaust, and more particularly to a non-contact, sampling system and method for quantifying the presence of one or more components in exhaust emissions of commercial and/or heavy-duty vehicles that emit exhaust at an elevated level, under actual operating conditions. | 09-12-2013 |
| 20130247648 | Method and Particle Sensor for Detecting Particles in an Exhaust Gas Stream - A method for detecting particles, for example in an exhaust gas stream of a vehicle in which the exhaust gas stream is guided along a duct, includes using a particle sensor that has at least two electrodes arranged in the duct. The method includes applying a first voltage and a second voltage to the electrodes to produce a first electric field and a second electric field between the electrodes. The method also includes ascertaining a first capacitance value corresponding to the first electric field and a second capacitance value corresponding to the second electric field of a capacitor formed by the electrodes. Information relating to the particles contained in the exhaust gas stream is ascertained from the first capacitance value and the second capacitance value. | 09-26-2013 |
| 20130247649 | Device for Quantifying The Contents of at Least One Gaseous Constituent Contained in A Gaseous Sample from A Fluid, Related Assembly and Process - This device comprises a means ( | 09-26-2013 |
| 20130283886 | PARTICULATE MATTER DETECTION ELEMENT AND METHOD OF MANUFACTURING SAME - The particulate matter detection element is constituted of a laminated body including first and second electrode layers each having a plate-like shape and a thickness between 50 μm and 500 μm laminated on each other through an intermediate insulating layer having a plate-like shape and a thickness between 3 μm and 20 μm. A cross-sectional surface of the laminated body in the lamination direction is used as a detection surface of the particulate matter detection element. | 10-31-2013 |
| 20130298638 | COMBUSTIBLE GAS DETECTION DEVICE - A combustible gas detection device includes an energization control circuit which controls the switching of the energization state of a heat generation resistor every predetermined time period such that the heat generation resistor alternately has resistances corresponding to two predetermined temperatures, a temperature measurement resistor disposed on the same substrate on which the heat generation resistor is disposed, where its resistance changes with the environmental temperature, a gas concentration computation section which calculates the combustible gas concentration by using a voltage generated across the heat generation resistor which is detected when electricity is supplied to the heat generation resistor and the environmental temperature based on a voltage change caused by a change in the resistance of the temperature measurement resistor. The predetermined time period is such that a change in the environmental temperature which occurs when the energization control circuit switches the energization state, falls within a range of 0.5° C. | 11-14-2013 |
| 20130312486 | EXHAUST GAS ANALYZING APPARATUS, EXHAUST GAS ANALYZING SYSTEM AND METHOD OF OPERATING THE SAME - An exhaust gas analyzing apparatus includes analyzer main bodies, exhaust gas introducing parts for guiding the exhaust gas from an exhaust pipe, through which the exhaust gas passes, to the analyzer main body, heaters for heating the analyzer main bodies and the exhaust gas introducing parts, respectively, and a temperature regulating mechanism for controlling the heaters to regulate temperatures of the analyzer main bodies and the exhaust gas introducing parts, and a first mode which has the temperature regulating mechanism regulate the temperatures of the analyzer main body and the exhaust gas introducing part to an analyzable temperature that is a predetermined temperature allowing a start of analysis of the exhaust gas, or a second mode which has the temperature regulating mechanism regulate the temperature of the analyzer main body to the analyzable temperature and turning off the heater for the exhaust gas introducing part can be selected. | 11-28-2013 |
| 20130312487 | EXHAUST GAS ANALYZING SYSTEM - An exhaust gas analyzing system makes it possible to determine appropriate maintenance timing of sampling pumps in the system, including sampling pumps and provided in a main flow path in order to sample exhaust gas sent from an introduction port, analysis parts provided on the upstream side or downstream side of the sampling pumps and in the main flow path, flow meters provided on the upstream side or downstream side of the analysis parts in the main flow path, and pump abnormality determination parts and for determining abnormality of the sampling pumps by comparing pump flow rates obtained by the flow meters to a predetermined abnormal flow rate. | 11-28-2013 |
| 20130312488 | SMOKE DETECTION SYSTEM AND METHOD FOR OPERATING A SMOKE DETECTION SYSTEM - A smoke detection system includes at least one smoke detector which is installed in a first partial region of a region to be monitored by way of the smoke detection system. The smoke detection system further includes at least one fluid injection device which is configured to inject a fluid into the region to be monitored by way of the smoke detection system in a direction of at least one smoke detector such that in an emergency case, when smoke is present in a second partial region of the region to be monitored the smoke is transported to the at least one smoke detector. | 11-28-2013 |
| 20130312489 | EXHAUST GAS ANALYZING SYSTEM - The present invention provides an exhaust gas analyzing system having a function of navigating an adjusting procedure of a gas analyzer, and the system includes an analyzer for analyzing exhaust gas and a manager for managing or controlling the analyzer, and the manager includes a procedure display part for selectively displaying adjustment items necessary for adjustment of the analyzer in a predetermined order in a predetermined area of one screen, and a detail input screen display part for displaying a detail input screen of the selected adjustment item. | 11-28-2013 |
| 20130327123 | CERAMIC HEATER AND GAS SENSOR - A terminal connection portion has a plate shape extending in an axial direction and has a constant width dimension. A terminal front end edge thereof has a convex shape at a front end side in the axial direction and has a circular-arc shape with a radius from 0.5 times to 0.8 times the width dimension, and is arranged in the center between a first pad side edge and a second pad side edge, on an electrode pad. A brazing material portion has a form spreading to a front end side in the axial direction away from the terminal connection portion. A brazing material front end edge which is a front end edge of the brazing material portion has a convex and circular-arc shape at the front end side in the axial direction, and is configured to be apart from a pad front end edge. | 12-12-2013 |
| 20130333443 | HYDROGEN FLAME IONIZATION TYPE EXHAUST GAS ANALYZER - The present invention is intended to be able to determine an appropriate purge time in a hydrogen flame ionization type exhaust gas analyzer and a system incorporating the analyzer which includes: a collector electrode for capturing ions generated from exhaust gas by hydrogen flame; an acquisition circuit adapted to acquire ion current caused by the ions captured by the collector electrode; and an abnormality determining part for determining an abnormality in the case where a difference between a first output value of the acquisition circuit in the case where there flows no ion current caused by the exhaust gas to the collector electrode and a second output value of the acquisition circuit in the case where zero gas is introduced into the hydrogen flame is equal to a predetermined value. | 12-19-2013 |
| 20140007650 | PARTICULATE MATTER PROCESSING APPARATUS - An amount of aggregation of particulate matter is estimated with a high degree of accuracy. A particulate matter processing apparatus in which a processing part with an electrode installed therein is arranged in an exhaust passage of an internal combustion engine, wherein particulate matter is caused to aggregate by generating a potential difference between the electrode and the processing part, is provided with a power supply that is connected to the electrode and applies a voltage thereto, a current detection device that detects an electric current which passes through the electrode, an estimation device that estimates an amount of aggregation of the particulate matter based on the electric current detected at the time when the voltage is applied to the electrode, an air fuel ratio detection device that detects or estimates an air fuel ratio of an exhaust gas which flows through the exhaust passage, and a prohibition device which prohibits an estimation by the estimation device in the case of a rich air fuel ratio. | 01-09-2014 |
| 20140033796 | SYSTEM AND METHOD FOR QUANTIFYING THE PRESENCE OF COMPONENTS IN THE EXHAUST OF COMMERCIAL AND/OR HEAVY-DUTY VEHICLES - A system and/or method for quantifying the presence of one or more components in vehicle exhaust, and more particularly to a non-contact, sampling system and method for quantifying the presence of one or more components in exhaust emissions of commercial and/or heavy-duty vehicles that emit exhaust at an elevated level, under actual operating conditions. | 02-06-2014 |
| 20140047899 | DEVICE FOR DETERMINING A COMPOSITION OF FUEL IN A COMBUSTION CHAMBER OF A POWER STATION - A device for determining a composition of fuel in a combustion chamber of a power station is provided. The device includes a measuring device for measuring an actual concentration distribution of a substance in a combustion chamber' an analysis device for analyzing the actual concentration distribution, taking into account a combustion stochiometry; and an evaluation device for determining a composition of fuel based upon the analyzing. | 02-20-2014 |
| 20140096589 | Microchip Oxygen Sensor for Control of Internal Combustion Engines or Other Combustion Processes - A microchip oxygen sensor for sensing exhaust gases from a combustion process, and related methods. The microchip oxygen sensor includes a dielectric substrate and a heater pattern affixed to the substrate. A first electrode is affixed to the substrate and has a first plurality of fingers forming a first comb. A second electrode is affixed to the substrate and has a second plurality of fingers forming a second comb. The second electrode is disposed in spaced relation to the first electrode such that the first and second combs face each other. A semiconducting layer is disposed over the first and second electrodes so as form a physical semiconductor bridge between the first and second electrodes. The semiconducting layer comprises an n-type semiconducting material or a p-type semiconducting material. A porous dielectric protective layer, advantageously containing a catalytic precious metal, may cover the semiconducting layer. | 04-10-2014 |
| 20140102170 | METHOD FOR ASSEMBLING GAS SENSOR, AND GAS SENSOR ASSEMBLY APPARATUS - Provided are a method of reliably assembling a gas sensor. A plurality of annular mounting members are repeatedly subjected to following steps: bringing a sensor element into an upper-side held state in which the element is held such that an upper end thereof extends vertically with a lower end thereof being inserted into a recess; fitting a through hole of an annular mounting member with the upper end of the element brought in to the upper-side clamped state; and switching from the upper-side held state to a lower-side held state in which the element is held such that the lower end thereof extends vertically, to thereby cause the annular mounting member to reach a predetermined annularly mounting position. Then, the resultant intermediate assembly product is sandwiched by a centering device to minimize the outside diameter thereof, and thereafter, a tubular body is annularly mounted to the intermediate assembly product. | 04-17-2014 |
| 20140130572 | GAS SENSOR ELEMENT AND GAS SENSOR - A gas sensor element and a gas sensor incorporating the gas sensor element. The gas sensor element ( | 05-15-2014 |
| 20140144208 | AGGLOMERATION AND CHARGE LOSS SENSOR WITH SEED STRUCTURE FOR MEASURING PARTICULATE MATTER - A sensor includes an electrode and a seed structure. The electrode is configured to measure current due to movement of particulate matter relative to the electrode. The seed structure is deposited on the electrode. The seed structure includes a plurality of elongated members extending outward from the surface of the electrode. The elongated members are configured to promote charge transfer to particles and/or agglomerates of the particulate matter during operation of the sensor. | 05-29-2014 |
| 20140150528 | Simplified method for measuring concentration of various exhaust gas mixture components utilizing dissimilar sensors - A simplified method for measuring a first property and a second property of an exhaust gas mixture utilizing sensors manufactured for the purpose of measuring a first property, but having a cross-sensitivity to a second property of the exhaust gas mixture. Sensor response characteristics to the first property and the second property are accounted for and used in conjunction with a direct differential measurement between sensors to quantify the concentrations of a first and a second property. | 06-05-2014 |
| 20140157868 | WIRE RETENTION CLIP - A wire retention clip includes a first compartment for allowing at least a first wire to pass through the compartment uninterrupted and for retaining the at least one wire to the wire retention clip. The wire retention clip also includes a second compartment that is distinct from the first compartment and contains and electronic device. | 06-12-2014 |
| 20140157869 | METHOD FOR OPERATING A GAS SENSOR ELEMENT AND DEVICE FOR CARRYING OUT SAID METHOD - A method for operating at least one sensor element for detecting at least one property of a gas in a measured-gas space is described. The method comprises at least the following steps: at least one first step, in the first step at least one parameter being ascertained; at least one second step, in the second step the parameter being compared with at least one comparison value, in accordance with that comparison at least one feature being allocated to the sensor element or to at least one part of the sensor element. An apparatus for carrying out the method is also described. | 06-12-2014 |
| 20140165699 | PARTICULATE MATTER SENSOR UNIT - A particulate matter sensor unit including a sensor on one side of an exhaust line and configured to employ an electrostatic induction for generating electric charges by a particulate matter contained in an exhaust gas when the particulate matter passes the sensor. The sensor includes a body portion, an electrode portion formed in a front of the body portion on one side of the front and adjacent to the particulate matter, a heating portion in a rear of the body portion on one side of the rear corresponding to the electrode portion, a power input portion in the rear of the body portion on the other side of the rear and to supply a power to the heating portion, and connection lines to connect the power input portion to the heating portion, which use the supplied power to generate heat for burning and removing the particulate matter. | 06-19-2014 |
| 20140182357 | PARTICLE MONITORING METHOD AND PARTICLE MONITORING APPARATUS - A particle monitoring method of monitoring particles included in an exhaust gas from a depressurized processing vessel | 07-03-2014 |
| 20140196519 | METHOD FOR MEASURING AMOUNT OF PARTICULATE MATTER ACCUMULATED IN AN EXHAUST GAS PURIFICATION FILTER - A measurement method capable of accurately evaluating the trapped amount of particulate matter (PM) accumulated in a diesel particulate filter (DPF) is provided. The method for measuring the amount of accumulated particulate matter comprises propagating ultrasonic waves generated by a transmitter | 07-17-2014 |
| 20140202233 | GAS ANALYSIS DEVICE AND CONTAMINATION DETECTION METHOD USED IN SAME - In order to make it possible to sensitively detect adsorptive gas even in the presence of a small amount of contamination that significantly influences adsorptive gas measurement, a gas injecting mechanism that injects adsorptive injection gas into a flow path through which sample gas is flowed, a gas measuring mechanism that can measure a value related to quantity of the adsorptive gas flowing through the flow path, and a contamination determining part that determines contamination in the flow path on the basis of a value related to a measurement response speed of the gas measuring mechanism to the adsorptive gas are provided. | 07-24-2014 |
| 20140216130 | Simplified method for measuring concentrations of exhaust gas components - A simplified method for measuring a first property and a second property of an exhaust gas mixture utilizing a first sensor cross-sensitive to a first property and a second property of an exhaust gas mixture, and a second sensor sensitive to the first property, but not to the second property of the exhaust gas mixture. Direct differential measurement between the two sensors quantifies the concentrations of the first property and second property of the exhaust gas mixture. | 08-07-2014 |
| 20140216131 | Simplified method for measuring concentrations of exhaust gas components utilizing differential measurement across an absorber - A simplified method for measuring a first property and a second property of an exhaust gas mixture utilizing two sensors manufactured for the purpose of measuring a first property, being cross-sensitive to the second property with an absorber of the second property being placed between two of the sensors in the exhausting circuit of the exhaust gas mixture. Direct differential measurement between the two sensors quantify the concentrations of the first and second property. | 08-07-2014 |
| 20140216132 | EXHAUST GAS SAMPLING APPARATUS - The present invention is provided with a control device that sets a split flow ratio that is a ratio of the flow rate of the diluted exhaust gas to be sampled through a diluted exhaust gas sampling flow path to a flow rate of a diluted exhaust gas flowing through a CVS, wherein the control device uses the flow rate (QCVS) of the diluted exhaust gas flowing through the CVS or a value (TCVS or PCVS) related to the flow rate (QCVS) of the diluted exhaust gas to set the split flow ratio (Qsamp/QCVS) so as to make a flow velocity (Vfilter) of the diluted exhaust gas flowing into an analytical device equal to a predetermined value. | 08-07-2014 |
| 20140245815 | Microparticle Sensor and Method for Manufacturing Microparticle Sensor - A particulate matter sensor comprises an insulating body and a pair of electrodes disposed apart form each other on a main surface of the insulating body. The insulating body includes an insulating portion being equal to or higher than the height of the pair of the electrodes in a direction perpendicular to the main surface, formed on the part where the pair of the electrodes are. In one of the methods for manufacturing the particulate matter sensor, first, an electrode pattern composed of a material for the pair of the electrodes is formed on a body material composing the insulating body, and a mask, having identical pattern of the electrode pattern and composed of material which vaporizes at a temperature equal to or lower than a temperature that the electrode pattern is sintered, is formed on the electrode pattern. A thin film of the material composing the insulating portion is formed, and the electrode pattern and the thin film is sintered to form the electrodes and the insulating portion. | 09-04-2014 |
| 20140250975 | HANDHELD GAS ANALYZER WITH SENSOR ON CHIP - A handheld sized combustion gas sampling analyzer having a gas sample collecting means, an in-line water trap and particulate filter, at least one removable sensor module, with each of the sensor modules adapted to receive at least one sensor chip, and circuitry adapted to receive sensing information from the sensor module and sensor chip thereon. | 09-11-2014 |
| 20140250976 | EXHAUST GAS ANALYZING APPARATUS - The present invention is one that is, in an exhaust gas analyzing apparatus used together with a CVS mechanism, adapted to be able to make an analysis with high accuracy, and an analyzing mechanism is provided with: a target component concentration meter that measures a moisture-influenced concentration related value that is a value related to concentration of a measuring target component in a state of being influenced by moisture; and a moisture concentration meter that measures a moisture concentration related value that is a value related to concentration of the moisture, and adapted to, on the basis of the moisture concentration related value, eliminate the influence of the moisture from the moisture-influenced concentration related value to calculate each of the first concentration related value and the second concentration related value. | 09-11-2014 |
| 20140260533 | DIAGNOSTIC SYSTEM AND METHOD FOR NITROGEN OXIDE SENSOR - A system including a nitrogen oxide sensor and a controller is provided. The nitrogen oxide sensor is configured to generate a first signal indicative of nitrogen oxides content in an exhaust gas. The controller is communicably coupled to the nitrogen oxide sensor. The controller configured to receive the first signal indicative of nitrogen oxides content in the exhaust gas. The controller is also configured to receive a second signal corresponding to an operational parameter of a power source. Further, the controller is configured to compare a derivative of the first signal with a derivative of the second signal. The controller is configured to trigger an error counter when an absolute value of the compared derivative crosses a predetermined threshold. Thereafter, the controller is configured to determine a condition of the nitrogen oxide sensor based on a count of the error counter in a predetermined period of time. | 09-18-2014 |
| 20140305190 | MIST-CONTAINING GAS ANALYSIS DEVICE - A mist-containing gas analysis device comprises a measuring instrument that measures a pressure, a temperature, a flow rate and water content of a combustion exhaust gas, a collection container, a sampling tube and a guide tube through which the combustion exhaust gas is suctioned by a suction blower, and is sampled and fed into a collection liquid in the collection container, an arithmetic and control device that controls the suction blower such that a suction velocity of the combustion exhaust gas being suctioned by the suction blower is within a predetermined ratio with respect to a combustion exhaust gas flow velocity which is calculated based on the measured values, liquid aliquot taking means for taking an aliquot of the liquid in the collection container, and a measuring device that measures a concentration of the measurement-target substance in the aliquot of the liquid taken by the liquid aliquot taking means. | 10-16-2014 |
| 20140311216 | METHOD FOR DETERMINING THE PARTICLE COUNT IN THE EXHAUST GAS OF INTERNAL COMBUSTION ENGINES - A method for detecting the number of particles in the exhaust gas of combustion engines, wherein a value that is characteristic for the quantity of the particles is determined, for example, in form of the blackening of a filter or determination of the concentration, wherein, furthermore, the suction time and/or the suction volume of the exhaust gas are measured, and wherein, if necessary, the blackening rate is calculated, based on the characteristic value and the suction time and/or the suction volume by way of a first conversion function, wherein the number of particles is determined based on the characteristic value, the suction time and/or the suction volume as well as the data of the first conversion function by way of a second conversion function. | 10-23-2014 |
| 20140318216 | NOX MODEL - Methods are provided for estimating the NO | 10-30-2014 |
| 20140331743 | SYSTEMS AND METHODS FOR TESTING IGNITION PROPERTIES OF PARTICLES - Systems and methods for testing ignition properties of particles in a gas. Systems include a test chamber sized to hold a particle to be tested, a gas supply configured to deliver a gas to the test chamber, a heating device configured to heat the particle, and data acquisition equipment configured to collect data associated with the particle and/or the gas. Methods include generating a flow of gas around a particle that is fixed in space relative to the flow of gas in a test chamber, heating the particle and/or heating the gas, and collecting data associated with the particle and/or the gas. | 11-13-2014 |
| 20140338422 | IN SITU HEATED OXYGEN PROBE WITH INTRINSICALLY SAFE OUTPUT - An in situ oxygen analyzer having an intrinsically-safe output and a heated probe is provided. The probe is extendable into a source of process gas and has an oxygen sensor and heater disposed therein. The heater is configured to heat the oxygen sensor to a temperature sufficient to operate the oxygen sensor. A housing is coupled to the probe and has first and second chambers. The first chamber is explosion-rated and includes non-intrinsically safe circuitry coupled to the heater to energize the heater. The second chamber contains only intrinsically-safe circuitry that complies with an intrinsically-safe specification. The first and second chambers are isolated from one another. The non-intrinsically-safe circuitry is coupled to the intrinsically-safe circuitry through an energy-limiting isolator. | 11-20-2014 |
| 20140345362 | PARTICULATE MATTER SENSOR UNIT - A particulate matter (PM) sensor unit may include an exhaust line where exhaust gas passes, and a PM sensor that may be disposed at one side of the exhaust line and that generates a signal when particulate matter included in the exhaust gas passes the vicinity thereof, wherein the PM sensor may be an electrostatic induction type that generates an induction charge while the particulate matter having an electric charge passes the vicinity thereof | 11-27-2014 |
| 20140352404 | EXHAUST GAS SAMPLING APPARATUS - The present invention is one that downsizes an exhaust gas sampling apparatus such as a CVS as well as uniforming temperature of diluted exhaust gas passing through a flow rate controller such as a critical flow venturi, and has a casing formed with a gas introduction port for introducing the diluted exhaust gas and a gas lead-out port for leading out the diluted exhaust gas, in which a temperature regulating mechanism is contained in the casing, the flow rate controller is fluidly connected to the gas lead-out port, and between the gas introduction port and the temperature regulating mechanism, a dispersion structure that disperses the diluted exhaust gas introduced from the gas introduction port is provided. | 12-04-2014 |
| 20140352405 | MICROPARTICLE DETECTION SYSTEM - A particulate detection system ( | 12-04-2014 |
| 20150013431 | MULTIGAS SENSOR AND MULTIGAS SENSOR DEVICE - A multigas sensor ( | 01-15-2015 |
| 20150020574 | MICROPARTICLE SENSOR - A particulate sensor including a sensor unit ( | 01-22-2015 |
| 20150047415 | METHOD AND DEVICE FOR MONITORING GAS SENSORS - A method and a device for monitoring gas sensors in an internal combustion engine, in which in a steady-state operation of the internal combustion engine, the output signal of the gas sensor is filtered by a high-pass filter and higher-frequency signal components are analyzed by a comparison with an appropriately processed model value. When using the method and the device for executing the method, electrically oscillating gas sensors or the incoupling of interference variables or faults in the evaluation circuit, especially in the case of exhaust gas sensors in an exhaust-gas purification and reducing system, are able to be detected, which minimizes faulty interpretations in a dynamic diagnosis. This monitoring function is advantageously combinable with dynamic diagnosis functions that likewise analyze higher-frequency signal components by a comparison with appropriately processed model values. This increases the operational reliability of the exhaust-gas purification or reducing system. | 02-19-2015 |
| 20150075253 | GAS SENSOR PROTECTION DEVICE AND METHOD - A gas sensor includes a sensor housing and a sensing element located within the sensor housing. The sensing element has a distal end and defines an axis. The gas sensor also includes a sensor protection device coupled to the sensor housing and at least partially surrounding the distal end of the sensing element. The sensor protection device includes a first member coupled to the housing, the first member having a generally rectangular cross-sectional shape in a plane perpendicular to the axis. The first member includes a gas inlet and a gas outlet. The sensor protection device also includes a second member coupled to the housing. | 03-19-2015 |
| 20150075254 | GAS SENSOR ELEMENT AND GAS SENSOR - A gas sensor element comprises an elongated plate-like element including, at a forward end portion, a detecting section comprising a solid electrolyte body having an outer surface and a back surface, a detection electrode on the outer surface and a reference electrode on the back surface, and a porous layer covering the detection electrode. The coating layer includes a first protection layer entirely covering the detecting section, and a second protection layer circumferentially covering the first protection layer and extending at least from a forward end of the first protection layer to a position located rearward of the porous layer. The thickness of the first protection layer on the porous layer is larger than that of the first protection layer rearward of the porous layer. The thickness of the second protection layer rearward of the porous layer is larger than that of the second protection layer above the porous layer. | 03-19-2015 |
| 20150101393 | MODULATED FLAME GAS FLOW RATES IN FLAME-BASED DETECTORS - Methods and apparatus for the modulation of flame gas stoichiometry to a flame-based detector for use in chromatographic separations are presented. As the total mass flow rate of mobile phase entering the flame-based detector changes (e.g., as a result of density programming in the separation), the mass flow rate of combustion gases to the detector are altered in proportion to the amount of mobile phase entering the detector. As a result, flame stability and sensitivity of the detector can be maintained by the methods and apparatus of the present disclosure. | 04-16-2015 |
| 20150101394 | GAS SENSOR - In a gas sensor ( | 04-16-2015 |
| 20150107330 | EXHAUST GAS SAMPLING DEVICE AND EXHAUST GAS ANALYZING SYSTEM - This invention is an exhaust gas sampling device that samples an exhaust gas by the use of an open-type exhaust gas sampling part and that is for reducing leakage of the exhaust gas produced due to unevenness of flow velocity of a cooling wind around an exhaust gas pipe. The exhaust gas sampling device comprises the exhaust gas sampling part that has an exhaust gas sampling port arranged to face an exhaust gas discharging port of the exhaust gas pipe and that samples the exhaust gas emitted from the exhaust gas discharging port and an ambient gas surrounding the exhaust gas pipe, and the exhaust gas sampling part has an involvement decreasing structure that decreases the exhaust gas flowing out from the exhaust gas sampling port due to involvement of the exhaust gas by the ambient gas that flows in from the exhaust gas sampling port. | 04-23-2015 |
| 20150128681 | Sealed Cable Passage for an Exhaust-Gas Sensor - A cable passage for sealing and for electrically contacting an exhaust-gas sensor includes: a protective sleeve; and at least one connecting cable which is run out of the protective sleeve on at least one front side of the protective sleeve. At least one cross section of the space existing between the protective sleeve and the at least one connecting cable is filled with a thermoplastically workable fluoropolymer-containing material. | 05-14-2015 |
| 20150316448 | PARTICULATE MATTER SENSOR UNIT - A particulate sensor apparatus may include an exhaust line through which exhaust gas flows, and a sensor that may be disposed at one side in the exhaust line and generates electrical charges when a particulate passes near vicinity of the sensor, wherein an electrode portion may be formed on a front surface of the sensor facing the particulate. | 11-05-2015 |
| 20150330868 | EXHAUST GAS ANALYZING APPARATUS - An exhaust gas analyzing apparatus of a vehicle mounted type equipped with an analyzer that is configured to analyze components contained in exhaust gas includes a sampling line that is an exhaust gas flow path extending from an exhaust gas introduction terminal that is configured to introduce the exhaust gas from the outside to the analyzer; a pressure reduction source that is configured to reduce a pressure in the sampling line to a predetermined pressure; and a temperature-regulating mechanism that is configured to regulate a temperature of the exhaust gas flowing in the sampling line to be at least a first temperature. The first temperature is set to be a temperature equal to or higher than an evaporation temperature of moisture at the reduced predetermined pressure and lower than an evaporation temperature of moisture at one atmospheric pressure. | 11-19-2015 |
| 20150355066 | SYSTEM FOR SENSING PARTICULATE MATTER - Systems and methods are described for sensing particulate matter in an exhaust system of a vehicle. An example system comprises a first outer tube with a plurality of intake apertures on an upstream surface, a second inner tube with a plurality of intake apertures on a downstream surface, and a particulate matter sensor placed within the second inner tube. The second inner tube may be positioned within the first outer tube such that a central axis of the second inner tube is parallel to a central axis of the first outer tube. | 12-10-2015 |
| 20150355067 | SYSTEM FOR SENSING PARTICULATE MATTER - Systems and methods are described for sensing particulate matter in an exhaust system of a vehicle. An example system comprises a first outer tube with a plurality of intake apertures on an upstream surface, a second inner tube with a plurality of intake apertures on a downstream surface, and a particulate matter sensor placed within the second inner tube. The second inner tube may be positioned within the first outer tube such that a central axis of the second inner tube is parallel to a central axis of the first outer tube. | 12-10-2015 |
| 20160011159 | GAS SENSOR | 01-14-2016 |
| 20160017830 | METHOD FOR PRODUCING A SOOT SENSOR WITH A LASER BEAM - A method for producing a soot sensor is provided. The method includes steps of applying a contiguous metallic layer on an electrically insulating substrate and structuring the metal coating with a laser beam by vaporizing areas of the metallic layer. At least two interlaced contiguous electrically conductive structures are produced. The electrically conductive structures are spatially separated from one another with the laser beam and are electrically insulated from one another such that the conductive structures substantially extend next to one another and close to one another in an area relative to a total length thereof. A soot sensor produced using such a method is also provided. The soot sensor has an electrically insulating substrate and at least two contiguous electrically conductive structures which are spatially separated from one another and are interlaced as structured metallic layers. An intermediate space between the conductive structures is burned free with a laser. | 01-21-2016 |
| 20160025222 | SPECIAL SEAL GEOMETRY FOR EXHAUST GAS SENSORS FOR PRODUCING HIGH LEAK TIGHTNESS WITH RESPECT TO THE MEASUREMENT CHAMBER - A sensor system, for sensing at least one property of a measured gas in a measured-gas space, includes a probe for sensing the property of the measured gas. The probe has at least one sensor element and at least one housing surrounding the sensor element. The housing is configured so that the sensor element in the housing is capable of being impinged upon with the measured gas. The sensor system also includes a receiving element connectable to a wall of the measured-gas space. The probe is introducible along an insertion axis into the receiving element and securable in the receiving element. The probe is capable of being sealed off from the measured-gas space by at least one seal. The seal encompasses at least one linear seal. | 01-28-2016 |
| 20160054170 | Apparatus And Method For Volume And Mass Estimation Of A Multiphase Fluid Stored At Cryogenic Temperatures - An apparatus and method estimate fluid mass in a cryogenic tank that holds a multiphase fluid comprising a liquid and a vapor. The apparatus comprises a level sensor, a pressure sensor and a computer. The level sensor provides a parameter representative of a level of the liquid. The pressure sensor provides a pressure signal representative of vapor pressure inside the cryogenic tank. The computer is operatively connected with the level sensor and the pressure sensor to receive the parameter and the pressure signal, and is programmed to determine the level from inputs comprising the parameter, to calculate a first volume of the liquid from inputs comprising the level, and to calculate a first mass of the liquid from inputs comprising the first volume and the pressure signal. | 02-25-2016 |
| 20160061691 | METHOD AND DEVICE FOR DIAGNOSING THE FUNCTION OF AN EXHAUST GAS SENSOR - A method for diagnosing the function of an exhaust gas sensor in an exhaust gas. The function is evaluated here according to whether during a heating phase an operating temperature of the exhaust gas sensor has been reached for a predefined time period. It is taken into account here whether during the heating phase sufficient heating power has been available to carry out a successful heating phase. | 03-03-2016 |
| 20160097758 | FUEL PROPERTY SENSOR - A fuel property sensor including a substrate, a first lead wire, a second lead wire, a wiring member, and a determiner. The substrate is disposed in such a position as to be in contact with the fuel. The first lead wire is connected to the substrate. The second lead wire is connected to the substrate. The second lead wire is spaced from the first lead wire. The wiring member is provided on the substrate. The wiring member connects the first lead wire and the second lead wire. The wiring member is configured to electrically disconnect the first lead wire and the second lead wire from each other by reaction with impurities contained in the fuel. The determiner is configured to determine whether the first lead wire and the second lead wire are electrically connected. | 04-07-2016 |
| 20160103055 | METHOD AND DEVICE FOR OPERATING A PARTICLE SENSOR - The invention relates to a particle sensor ( | 04-14-2016 |
| 20160109403 | GAS SENSOR FOR MEASURING DIFFERENT GASES, AND CORRESPONDING PRODUCTION METHOD - A gas sensor for measuring the concentrations of gases includes a solid body electrolyte, at least three electrodes, and a closed chamber. The doped platinum includes at least 50% by weight platinum and the remainder includes at least one further element selected from the group of solid body electrolytes. In particular, the doped platinum includes between 0.5% by weight to 15% by weight ZrO | 04-21-2016 |
| 20160113321 | SMOKING MACHINE - A modular smoking system is provided, including a substantially annular carousel that includes a plurality of smoking article ports configured to receive smoking articles and a plurality of analysis ports, the carousel having an inner surface and an outer surface radially spaced from the inner surface, in which a plurality of identically-dimensioned aerosol-flow channels are defined through the carousel, each aerosol-flow channel extending radially through the carousel between a smoking article port located at the inner surface of the carousel and a corresponding analysis port located at the outer surface of the carousel, and at least one aerosol analysis module located radially outwards from the outer surface of the carousel and configured to couple to the analysis port for analysis of an aerosol generated by a smoking article coupled to a smoking article port. | 04-28-2016 |
| 20160116373 | EXHAUST GAS ANALYSIS SYSTEM MOUNTED ON MOBILE OBJECT - The present invention includes an exhaust gas flow channel that permits passage of an exhaust gas, a diluent gas flow channel that permits passage of a diluent gas, a main flow channel that permits passage of a diluted exhaust gas, a diluted exhaust gas flow rate measurement mechanism disposed on the main flow channel, and a diluent gas flow rate measurement mechanism disposed on the diluent gas flow channel. The diluted exhaust gas flow rate measurement mechanism and the diluent gas flow rate measurement mechanism each have a pressure sensor section. Furthermore, a pressure sensitive element of the pressure sensor section in the diluted exhaust gas flow rate measurement mechanism, and a pressure sensitive element of the pressure sensor section in the diluent gas flow rate measurement mechanism, are oriented in an identical direction in order to reduce an influence of acceleration in association with movement of a mobile object. | 04-28-2016 |
| 20160123945 | NOx SENSOR CALIBRATION AND APPLICATION IN LEAN NOx TRAP AFTERTREAT SYSTEMS - An aftertreatment system utilizes chemical reactions to treat an exhaust gas flow. A system for aftertreatment of the exhaust gas flow includes a NOx sensor configured to monitor within the exhaust gas flow one of a lambda value and a NOx concentration value and a computerized processor device configured to calibrate the monitored value for presence of one of NH | 05-05-2016 |
| 20160139022 | Device of testing particles in tail gas exhausted from automobile - A device of testing particles in a tail gas exhausted from an automobile contains: an intake unit, a smoke detection unit, a processing unit, and a filtering unit. The filtering unit includes a filtration chamber, a filter paper, and two weighing elements. The filtration chamber has a locking portion and an opening. A transmission belt is mounted beside two sides of the filtering unit and has an upstream segment and a downstream segment, and between the upstream segment of the transmission belt and the locking portion is defined a first weighing element, between the locking element and the downstream segment of the transmission belt is defined a second weighing element. A first delivery sucker, a second delivery sucker, and a third delivery sucker are all mounted in a filtration chamber. Thereby, a total weight of particles in a tail gas is measured within a unit time. | 05-19-2016 |
| 20160139071 | Gas Sensor Apparatus and Installation Structure of Gas Sensor Apparatus - To provide a gas sensor apparatus capable of preventing clogging of a gas intake port due to particles, droplets, or the like, of a gas and maintaining measurement accuracy for a long time, a gas sensor apparatus | 05-19-2016 |
| 20160146768 | GAS SENSOR - A gas sensor is provided which includes a hollow metallic housing, a sensor device installed in the housing, and a seal disposed in the housing to hermetically isolate between the housing and the sensor device. The housing has an inner shoulder formed on an inner periphery thereof. The seal is retained on the inner shoulder. The seal is made up of a powder body and a glass body. The powder body is made of inorganic powder and mounted on the inner shoulder. The glass body is arranged on the powder body and has a varying coefficient of thermal expansion which alleviates a difference in thermal expansion between the sensor device and the housing, thereby ensuring the stability of hermetic sealing ability of the seal in high-temperature environments. | 05-26-2016 |
| 20160161442 | SENSOR ELEMENT HAVING A CONDUCTOR AND LEADTHROUGH - A sensor element for detecting a physical property of a gas includes: a first end region and a second end region opposing one another; a functional element in the first end region interior that is electroconductively connected to a contact area disposed in the second end region exterior; the electrically conductive connection between the functional element and the contact area having a conductor in the interior of the sensor element essentially extending in the longitudinal direction, and having a leadthrough that essentially extends orthogonally to the longitudinal direction of the sensor element. The ratio between an electrical resistance of the conductor and an electrical resistance of the leadthrough is between 3 and ⅓. | 06-09-2016 |
| 20160178469 | CHARACTERIZATION OF AVIATION GASOLINE | 06-23-2016 |
| 20160195463 | PARTICULATE DETECTION SYSTEM | 07-07-2016 |
| 20160202166 | Operating Medium for a Condensation Nucleus Counter for Internal Combustion Engine Exhaust Gases | 07-14-2016 |
| 20160202167 | PARTICULATE DETECTION SYSTEM | 07-14-2016 |
| 20160202200 | Gas Sensor Device | 07-14-2016 |
| 20170234707 | Real-Time Fluid Species Mass Flowmeter | 08-17-2017 |
| 20180024038 | PARTICULATE MATTER DETECTION SENSOR AND PARTICULATE MATTER DETECTION APPARATUS | 01-25-2018 |
