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| Number | Title | Issue Date |
| 8146343 | Approach for injecting a reductant A method of operating an internal combustion engine having a reductant delivery and storage system in an emission control system is disclosed. The method comprises applying an ultrasonic field to a reductant-containing liquid in the reductant storage device to gener... | 04/03/2012 |
| 7950221 | Methods and apparatus for controlling catalytic processes, including catalyst regeneration and soot elimination The present invention provides methods and apparatus for controlling catalytic processes, including catalyst regeneration and soot elimination. An alternating current is applied to a catalyst layer and a polarization impedance of the catalyst layer is monitored. The... | 05/31/2011 |
| 7913486 | Exhaust emission control device An exhaust emission control device is disclosed. The device includes an NOx-occlusion reduction catalyst incorporated in an exhaust passage for reduction and purification of NOx, a fuel reforming catalyst structure and plasma fuel reforming uni... | 03/29/2011 |
| 7617671 | Method and apparatus for purifying motor exhaust fumes A motor exhaust ozonator adapter is connected with the end of a motor vehicle exhaust pipe for receiving and passing exhaust gas. One arm of the adapter is connected with the end of the exhaust pipe and another arm of the adapter houses a powerful ozone light for oz... | 11/17/2009 |
| 7484358 | Continuous reforming of diesel fuel for NOx reduction Raw diesel fuel is reformed to produce partially oxygenated hydrocarbons in the liquid fuel by use of a nonthermal plasma reactor. The reformed diesel fuel is formed by passing a stream of air plasma bubbles through a liquid volume of diesel fuel to strip low molecu... | 02/03/2009 |
| 7475533 | Exhaust gas purifying apparatus and method for controlling it The present invention provides an exhaust gas purifying apparatus 10 which can effectively purify an exhaust gas with the use of a plasma. The present exhaust gas purifying apparatus 10 comprises a NOx purifying catalyst 1 disposed in... | 01/13/2009 |
| 7464538 | Exhaust gas purifying apparatus In an exhaust gas purifying technique in which discharge is utilized, the invention provides a technique in which purification efficiency can be enhanced while an increase in electric power consumption is suppressed. A discharge mode including a discharge period and... | 12/16/2008 |
| 7435288 | System for filtering particulate matter of diesel particulate filter The present invention relates to a system for effectively filtering particulate matter from exhaust gas. Exemplary embodiments of the invention provides a system for capturing diesel-powered vehicle particulate matter in exhaust gas, the system including: a detour c... | 10/14/2008 |
| 7428809 | Method for operating an internal combustion engine and a device for carrying out the method A method for operating an internal combustion engine; in the exhaust area of this engine there is at least one catalytic converter and downstream from the catalytic converter there is an NOx sensor. A device for carrying out this method is also provided. The NOx sen... | 09/30/2008 |
| 7418815 | Particulate trap with electrostatic precipitator A particulate trap has a housing with an inlet and an outlet. The particulate trap also has a plurality of filters disposed within the housing in parallel relation. The particulate trap further has at least one electrode disposed within the housing and configured to... | 09/02/2008 |
| 7398643 | Combined EGR cooler and plasma reactor A combined EGR cooler and non-thermal plasma device has first and second fluid passageways which are in heat exchange communication with one another. One or more electrodes are located in the second fluid passageway. The electrodes are connected to a voltage source.... | 07/15/2008 |
| 7389638 | Sulfur oxide/nitrogen oxide trap system and method for the protection of nitrogen oxide storage reduction catalyst from sulfur poisoning The present invention relates to an improved exhaust gas cleaning system and method for a combustion source comprising a hydrogen generation system, a sulfur oxides trap, and a nitrogen storage reduction (NSR) catalyst trap. The improved exhaust gas cleaning system ... | 06/24/2008 |
| 7377101 | Plasma fuel converter NOx adsorber system for exhaust aftertreatment The invention provides a NOx adsorber aftertreatment system for internal combustion engines which utilizes a plasma fuel converter operatively coupled to at least one NOx adsorber to aid in the regeneration of the NOx adsorber. Fuel and engine exhaust is injected in... | 05/27/2008 |
| 7367183 | Internal combustion engine with a fuel reformer and ammonia generator The present invention relates to an internal combustion engine which is used in particular in motor vehicle having a reformer for generating hydrogen, whereby the reformer has a single operating mode in which it generates as much reformate as needed or even more for... | 05/06/2008 |
| 7356987 | Exhaust gas recirculation system having an electrostatic precipitator An exhaust gas recirculation system for a power source, has at least one inlet port configured to receive at least a portion of a flow of exhaust produced by the power source. The exhaust gas recirculation system also has an electrode disposed upstream of the at lea... | 04/15/2008 |
| 7354558 | Exhaust gas purification system An exhaust gas purification system includes a honeycomb structural member and a center electrode. The honeycomb structural member is disposed in an exhaust emission flow path from an engine. The center electrode extends along an axis of the honeycomb structural memb... | 04/08/2008 |
| 7350397 | Device for measuring the quantity of solid particles in a gas medium A device for detecting the amount or concentration of particulate matter in a gas medium comprises a structure for the deposit of solid particles, at least a first and a second electrode associated to the structure, and means for measuring an electric quantity betwe... | 04/01/2008 |
| 7331170 | Exhaust emission control device Provided is an exhaust emission control device which can properly burn off soot and soluble organic fraction attached to and accumulated on electrodes of a plasma generator. The exhaust emission control device with a post-processing device (catalyst regenerative par... | 02/19/2008 |
| 7326264 | Plasma particulate filter A method for reducing the particulate emissions containing carbon of diesel motors uses surface discharges to regenerate a filter. An appropriate wall flow filter is configured from alternately closed longitudinal channels. The electrodes are embedded in the filter ... | 02/05/2008 |
| 7325392 | Control system for catalytic processes The present invention provides methods and systems for controlling a catalytic process. The control system includes: an electroconductive support having a layer of a catalyst thereon; a first electrode in contact with said electroconductive support; a second electro... | 02/05/2008 |
| 7318856 | Air treatment apparatus having an electrode extending along an axis which is substantially perpendicular to an air flow path An air transporter-conditioner device is disclosed that can include an elongated housing having a bottom, a top and an elongated side wall. The housing can have an inlet located adjacent to the bottom and an outlet located adjacent to the elongated side wall, an emi... | 01/15/2008 |
| 7316735 | Dust collector An apparatus, which collects particulate matter contained in a gas flowing through a flow path formed in a cylindrical shape having an outer surface and an inner surface, includes: an outer shell that forms the outer surface of the flow path; a ground electrode that... | 01/08/2008 |
| 7316106 | Method for processing combustion exhaust gas containing soot particles and NOx The invention relates to a system and a method for processing exhaust gas of an internal combustion engine such as a diesel engine. The disclosed system and method can be particularly suitable to the diesel engine that usually operates in a lean burn condition witho... | 01/08/2008 |
| 7316107 | Device for purifying the exhaust gases of diesel engines In a diesel engine provided with a diesel particulate filter 81 and an exhaust throttle valve 9, noise is decreased that is produced when the exhaust throttle valve is returned back to the fully opened state after a diesel particulate filter 81 ... | 01/08/2008 |
| 7299624 | Exhaust gas purifying apparatus and method thereof An exhaust gas purifying apparatus provided in an exhaust passage connected with an engine includes an upstream catalyst that is provided in the exhaust passage, and that removes NOx; a downstream catalyst that is provided downstream of the upstream catalyst in the ... | 11/27/2007 |
| 7293409 | Process and system for improving combustion and exhaust aftertreatment of motor vehicle engines A diesel combustion engine system providing improved fuel combustion and exhaust aftertreatment includes: a diesel combustion engine having a liquid fuel intake, an air intake, a reformate intake, and an exhaust outlet; a liquid diesel fuel source in fluid communica... | 11/13/2007 |
| 7285247 | Apparatus and method for operating a fuel reformer so as to purge soot therefrom A method of operating a fuel reformer includes advancing a first air/fuel mixture having a first air-to-fuel ratio into the fuel reformer. The method further includes determining if a soot purge is to be performed and generating a purge-soot signal in response there... | 10/23/2007 |
| 7279143 | Plasmatron-catalyst system A plasmatron-catalyst system. The system generates hydrogen-rich gas and comprises a plasmatron and at least one catalyst for receiving an output from the plasmatron to produce hydrogen-rich gas. In a preferred embodiment, the plasmatron receives as an input air, fu... | 10/09/2007 |
| 7275366 | High thermal efficiency Selective Catalytic Reduction (SCR) system An emissions control system utilizes otherwise wasted heat to efficiently reduce emissions in a main exhaust flow. Heat stored in exhaust from an auxiliary generator (i.e., auxiliary exhaust) may be used to convert urea to ammonia used by a Selective Catalytic Reduc... | 10/02/2007 |
| 7272925 | NOreduction in lean burn engine exhaust The nitric oxide (NO) and nitrogen dioxide (NO2) content of lean-burn engine exhaust is beneficially prepared for selective catalytic reduction (SCR) of these oxides to nitrogen by two sidestream additions to the exhaust. An ozone-containing air stream is... | 09/25/2007 |
| 7266943 | Exhaust after-treatment system for the reduction of pollutants from diesel engine exhaust and related method Exhaust after-treatment system for the reduction of particulate, NOx, HC, CO, VOCs, nano-particle count and sulfur dioxide from diesel exhaust. System employs diesel oxidation catalyst, exhaust cooling system, particulate converter, soot collection chambe... | 09/11/2007 |
| 7267699 | Fuel processing system for reforming hydrocarbon fuel A fuel processing system including a filter for reforming a hydrocarbon fuel and its operation is disclosed. The system includes a first chamber for receiving a hydrocarbon fuel and combining it with air or water; a reformer in fluid connection with and down stream ... | 09/11/2007 |
| 7267711 | Electrostatic precipitator for diesel blow-by A compact electrostatic precipitator is designed specifically for use in connection with eliminating particles from crankcase emissions of a Diesel engine. Such emissions may carry solid soot particles as well as suspended oil droplets. The electrostatic precipitato... | 09/11/2007 |
| 7264643 | Electrical connection for porous material An electrical connection element for providing an electrical connection to a porous material may include a first electrically conductive plate disposed on at least a portion of a first side of the porous material. A second electrically conductive plate may be dispos... | 09/04/2007 |
| 7260930 | Radio frequency-based particulate loading monitoring system A particulate trap regeneration system is provided, which may include a particulate trap having a filter medium configured to remove one or more types of particulate matter from an exhaust flow of an engine and a regeneration device configured to reduce an amount of... | 08/28/2007 |
| 7258723 | Particulate filter assembly and associated method A particulate filter assembly includes an electrode assembly, a particulate filter positioned in an electrode gap defined between two electrodes of the electrode assembly, a power supply electrically coupled to the electrode assembly, and a controller for controllin... | 08/21/2007 |
| 7254940 | Exhaust gas purification system of internal combustion engine An electronic control unit (ECU) of an internal combustion engine calculates a present deposition quantity of exhaust particulate matters based on operating states of the engine such as a differential pressure of a diesel particulate filter (DPF). If the present dep... | 08/14/2007 |
| 7254938 | Power supply and transformer A circuit for providing a potential difference across a gap between two electrodes of a fuel reformer, oxides of nitrogen trap or soot filter regenerator for an internal combustion engine or the like. The circuit includes a power source, a transformer including a pr... | 08/14/2007 |
| 7253353 | Thermoelectric augmented hybrid electric propulsion system A thermoelectric augmented hybrid electric propulsion system for a hybrid electric vehicle is disclosed. The system includes a combustion engine and an electric motor for rotating wheels of the vehicle. A thermoelectric device having a hot side provided in thermal c... | 08/07/2007 |
| 7251929 | Thermal management of hybrid LNT/SCR aftertreatment during desulfation In an exhaust aftertreatment system comprising a NOx adsorber-catalyst followed by an SCR catalyst, means are provided for preventing the SCR catalyst from becoming heated to near the same peak temperatures as the NOx adsorber-catalyst during desulfation. In one emb... | 08/07/2007 |
