Patent application number | Description | Published |
20090139318 | SYSTEMS AND METHODS FOR MONITORING THE QUALITY OF A REDUCING AGENT - This patent disclosure relates to monitoring the quality of a reducing agent used in an emission-control system. Because emission-control systems may be used in extreme temperatures, the reducing agent used in these systems may be exposed to extreme temperatures for prolonged periods. This exposure may cause premature degradation of the reducing agent, thereby reducing the effectiveness of the emission-control system. To monitor the quality of the reducing agent, the disclosed systems and methods measure a property of the reducing agent, determine whether the measured property is out of compliance with a predetermined range, and provide a warning signal when the measured property is out of compliance. | 06-04-2009 |
20090317299 | Light based fuel sulfur sensor and system - An ultraviolet sensor arrangement detects the amount of sulfur in a fuel of an internal combustion engine by emitting an ultraviolet light field in the presence of the fuel. A detector is disposed to detect a responsive amount of fluorescent light and provide a sensing signal indicative of the amount of sulfur in the fuel. A filter (or filters) receives the sensing signal and provides a filtered sensing signal to a sensing circuit. | 12-24-2009 |
20100318471 | Systems and Methods for Monitoring the Quality of a Reducing Agent - This patent disclosure relates to monitoring the quality of a reducing agent used in an emission-control system. Because emission-control systems may be used in extreme temperatures, the reducing agent used in these systems may be exposed to extreme temperatures for prolonged periods. This exposure may cause premature degradation of the reducing agent, thereby reducing the effectiveness of the emission-control system. To monitor the quality of the reducing agent, the disclosed systems and methods measure a property of the reducing agent, determine whether the measured property is out of compliance with a predetermined range, and provide a warning signal when the measured property is out of compliance. | 12-16-2010 |
20110147653 | PREPARATION METHOD FOR GAS ABSORBENT MATERIAL - A wet milling process for the creation of a mineral carbonation precursor material containing alkaline earth metal silicate and an alkaline earth metal oxide and the combining of the mineral carbonation precursor material with exhaust gases containing CO | 06-23-2011 |
20130044324 | Light Based Fuel Sulfur Sensor and System - An ultraviolet sensor arrangement detects the amount of sulfur in a fuel of an internal combustion engine by emitting an ultraviolet light field in the presence of the fuel. A detector is disposed to detect a responsive amount of fluorescent light and provide a sensing signal indicative of the amount of sulfur in the fuel. A filter (or filters) receives the sensing signal and provides a filtered sensing signal to a sensing circuit. | 02-21-2013 |
Patent application number | Description | Published |
20090056320 | Exhaust system having catalytically active particulate filter - A catalyst is disclosed. The catalyst contains a ternary nitride and at least one of gold, osmium, iridium, palladium, rhodium, rhenium, ruthenium, or cesium. The catalyst may be used for a particulate filter in an engine exhaust treatment system. | 03-05-2009 |
20090194741 | Exhaust system having a carbon oxide catalyst - A catalytic filter system is disclosed. The catalytic filter system contains a catalyst including a ternary nitride and at least one of gold, osmium, iridium, palladium, rhodium, rhenium, ruthenium, or cesium. The catalytic filter system may further include an energy source situated to impart energy to the catalyst. | 08-06-2009 |
20100018476 | On-board hydrogen generator - A hydrogen generator for use with an engine is disclosed. The hydrogen generator has an exhaust duct situated to receive exhaust from the engine, and an SCR device located within the exhaust duct. The hydrogen generator also has a housing in fluid communication with the exhaust duct upstream of the SCR device, an electrolyte solution disposed within the housing, and a plurality of electrodes at least partially submerged in the electrolyte solution. The electrodes are electrically powered to produce hydrogen gas, and the hydrogen gas is directed to mix with the exhaust. | 01-28-2010 |
20100158779 | Exhaust system having a gold-platinum group metal catalyst - A method of providing an exhaust treatment device is disclosed. The method includes applying a catalyst including gold and a platinum group metal to a particulate filter. The concentration of the gold and the platinum group metal is sufficient to enable oxidation of carbon monoxide and nitric oxide. | 06-24-2010 |
20130192203 | EXHAUST SYSTEM - An exhaust system includes an exhaust passage configured to receive exhaust from a combustion engine, a heat exchanger disposed within the exhaust passage, and a reductant supply fluidly connected to the heat exchanger, the reductant supply including methane. The exhaust system also includes a first catalyst fluidly connected to the heat exchanger and configured to receive methane from the reductant supply via the heat exchanger. The exhaust system further includes a second catalyst disposed within the exhaust passage and configured to receive the exhaust from the combustion engine via the heat exchanger. The exhaust system also includes a clean-up catalyst disposed within the exhaust passage and configured to receive a combined flow. The combined flow includes the exhaust and the methane exiting the first catalyst. | 08-01-2013 |