|
Match
|
Document |
Document Title |
|
|
7587893 |
Particulate filter regeneration system for an internal combustion engine
A particulate filter regeneration system for an internal combustion engine includes a plurality of combustion cylinders, an intake manifold and an exhaust manifold. The particulate filter...
|
|
|
7587890 |
Reductant injection rate shaping method for regeneration of aftertreatment systems
The invention provides methods for regenerating pollutant storage and catalytic components of an internal combustion engine's exhaust gas aftertreatment system. These methods include introducing...
|
|
|
7587888 |
Engine control apparatus
In an engine having apparatus for a post-exhaust process, surging is prevented when the air excess coefficient is changed to a lean condition from a rich condition in order to carry out the...
|
|
|
7587892 |
Apparatus, system, and method for adapting a filter regeneration profile
An apparatus, system, and method are disclosed for adapting a regeneration profile for a particulate filter. A controller's input module receives inputs relating to conditions of the filter or...
|
|
|
7584607 |
Method of and apparatus for operating a drive train with an electrical machine
The invention is based on a method for operating an engine drive train having a connectable electrical machine, the electrical machine being drivingly connectable to the engine in whose exhaust gas...
|
|
|
7584603 |
Method and system for regenerating NOx adsorbers and/or particulate filters
An active system for regenerating a NOx adsorber and a particulate filter, the system includes a fuel source, a reformer for generating hydrogen and carbon monoxide in fluid communication with the...
|
|
|
7584606 |
System for assisting the regeneration of depollution means integrated in an exhaust line of a vehicle diesel engine
System in which the depollution apparatus is associated with an oxidation catalyst-forming device, and the engine is associated with a common rail for feeding it with fuel and adapted to implement...
|
|
|
7584605 |
Internal combustion engine with exhaust-gas purification system, and method for purifying the exhaust gas from an internal combustion engine
An exhaust-gas purification system and method are provided for an internal combustion engine having an NOx storage catalytic converter and a downstream SCR catalytic converter. The NOx storage...
|
|
|
7581387 |
Exhaust gas mixing system
A system for mixing exhaust gas components is provided. The system may include an exhaust passage and a substantially enclosed distribution chamber disposed within the exhaust passage. The...
|
|
|
7581390 |
Method and system for improving sensor accuracy
A method and system for improving sensor accuracy of diesel emissions is disclosed. The method and system comprises changing the sensor reading as a function of sensor age to provide a more...
|
|
|
7581389 |
Method and apparatus for monitoring ash accumulation in a particulate filter of an emission abatement assembly
A method of monitoring ash buildup in a particulate filter includes determining particulate accumulation in the filters subsequent to filter regeneration to determine when the filter is in need of...
|
|
|
7578125 |
Exhaust manifold with catalytic converter shell tube
A catalytic converter subassembly having at least one component inserted during the manufacture of a cast exhaust manifold, thereby eliminating a costly and undesirable manifold to converter weld. ...
|
|
|
7572422 |
Exhaust gas purifying method for fuel cell vehicle and exhaust gas purifying system for fuel cell vehicle
An exhaust gas purifying method for a fuel cell vehicle comprises preparing an exhaust gas purifying system for the fuel cell vehicle, the exhaust gas purifying system including a methane removal...
|
|
|
7571600 |
Method and apparatus for reducing pollutants in engine exhaust
A transmural catalysis device allows for conversion of NOx into N 2 in internal combustion engine exhaust. A reducing gas is delivered into exhaust tubes through a plurality of pores or channels...
|
|
|
7571602 |
Exhaust aftertreatment system and method of use for lean burn internal combustion engines
The present invention is an aftertreatment system for lean burn internal combustion engines. The present invention provides a multiple branch lean NOx trap, or LNT, with a diverter valve operable...
|
|
|
7571601 |
Method and apparatus for controlling regeneration of simultaneous NOx-PM reduction device
The present invention provides a method for controlling regeneration of the simultaneous NOx-PM reduction apparatus having a lean NOx trap (LNT) for removing nitrogen oxide (NOx) an engine and a...
|
|
|
7569197 |
Process for purification of sulphur-containing exhaust gas
The invention provides a process and system for purification of an exhaust gas stream from a combustion engine containing hydrocarbons, soot, carbon monoxide and sulphur dioxide. The process...
|
|
|
7568473 |
Auxiliary-gas supplying apparatus for combustion engine
An auxiliary-gas supplying apparatus A for combustion engine B according to the invention includes: an ozone generator 3 ; an auxiliary gas generator 8 for generating an auxiliary gas containing...
|
|
|
7565799 |
Controlling lean NOx trap (LNT) catalyst performance
A method of using a lean NOx trap (LNT) catalyst to control vehicle engine emissions. While catalyst temperature is within a low range, the catalyst is allowed to store NOx until the catalyst is...
|
|
|
7562522 |
Enhanced hybrid de-NOx system
An exhaust aftertreatment system including a lean NOx trap, an ammonia-SCR catalyst, and an additional catalyst configured in between. The lean NOx trap adsorbs NOx from lean exhaust and produces...
|
|
|
7563422 |
Method for reducing a particle and nitrogen oxide proportion in an exhaust gas flow of an internal combustion engine and corresponding exhaust gas treatment unit
A method for reducing the particle and nitrogen oxide proportion in an exhaust gas flow of an internal combustion engine includes supplying a reducing agent to the exhaust gas flow, subjecting the...
|
|
|
7562523 |
Apparatus, system, and method for determining a regeneration cycle thermal ramp
An apparatus, system, and method are disclosed for determining a regeneration cycle thermal ramp. A thermal ramp module estimates a regeneration cycle thermal ramp. A soot content module estimates...
|
|
|
7559193 |
Control apparatus and method for internal combustion engine
A control apparatus for an internal combustion engine has an oxygen storage volume computing unit for computing an oxygen storage volume of a catalyst by using a real air/fuel ratio detected by an...
|
|
|
7559194 |
Method and device for controlling the injection of reducing agent
The invention relates to a method and device ( 10 ) for controlling the injection of reducing agent upstream from a catalyst ( 4 ) in an exhaust line ( 2 ) from a combustion engine. According to...
|
|
|
7559192 |
Engine control apparatus
Provided is an engine control apparatus equipped with a three-way catalyst for purifying exhaust gas, a unit for calculating an operational state based on outputs from various sensors, a unit for...
|
|
|
7559195 |
Procedure and device to heat a reducing agent generation system
The invention concerns a procedure to heat a reducing agent generation system of an exhaust gas aftertreatment system of an internal combustion engine by combustion of fuel, whereby the reducing...
|
|
|
7555896 |
Cylinder deactivation for an internal combustion engine
A system and method to control engine valve operation during periods of cylinder deactivation of an internal combustion engine. Electromechanical valves are controlled in a manner to reduce fuel...
|
|
|
7555895 |
Exhaust gas purifying apparatus and method for internal combustion engine
In exhaust gas purifying apparatus and method for an internal combustion engine, an abnormality determination of an NOx (Nitrogen Oxides) removing catalyst is executed on the basis of output values...
|
|
|
7552587 |
Deflector plate to enhance fluid stream contact with a catalyst
A low-cost catalytic article is provided for treating gaseous fluid streams such as exhaust streams from gasoline-powered engines. The articles contain residence chambers defined by chamber walls...
|
|
|
7552583 |
Exhaust purification with on-board ammonia production
A power source is provided for use with selective catalytic reduction systems for exhaust-gas purification. The power source includes a first cylinder group with a first air-intake passage and a...
|
|
|
7549285 |
Auxiliary system for regenerating pollution control means incorporated into the exhaust line of a diesel engine for a motor vehicle
The invention relates to a system for carrying out a regeneration strategy by means of at least one fuel post-injection into cylinders and is characterised in that the inventive system comprises...
|
|
|
7550125 |
Exhaust gas purification system
An exhaust-gas purification unit for purifying the exhaust gas from an internal combustion engine which is preferably operated in lean-burn mode, in particular a diesel engine used in motor...
|
|
|
7546728 |
Method for operating a catalytic converter used for purifying the exhaust gas of an internal combustion engine and a device for implementing the method
A method for operating a catalytic converter used for purifying the exhaust gas of an internal combustion engine, and a device for implementing the method, which provide for an open-loop or...
|
|
|
7543443 |
Method for determining NOx reduction ratio in exhaust emission control device
When urea water U is injected by an addition nozzle 7 upstream of NO x reduction catalyst 6 incorporated in an exhaust passage 5 of a diesel engine 1 so as to reduce and purify NO x in...
|
|
|
7543445 |
Methods for regeneration and performance of a particulate filter of an internal combustion engine
Methods for regenerating or improving the regeneration of a particulate filter and for improving the performance of a particulate filter during the operation of an internal combustion engine...
|
|
|
7543446 |
System for controlling regeneration of exhaust gas aftertreatment components
A system and method are provided for controlling regeneration of exhaust gas aftertreatment components coupled to an internal combustion engine. For example, the particulate load of a particulate...
|
|
|
7541010 |
Silver doped catalysts for treatment of exhaust
A method of making an exhaust treatment element includes washcoating a substrate with a slurry that includes a catalyst support material. At least some of the catalyst support material from the...
|
|
|
7536854 |
Method for regenerating a motor vehicle particle filter and system for controlling regeneration of such a filter
A method for regenerating a motor vehicle particle filter that uses a mechanism for regenerating the filter when a load value exceeds a predetermined threshold. Further, a parameter representing...
|
|
|
7536851 |
Catalyst condition monitor based on differential area under the oxygen sensors curve algorithm
A control system and method of monitoring a condition of a catalyst in a catalytic converter includes commanding a first air/fuel ratio. A first signal is monitored from a first oxygen sensor and a...
|
|
|
7533523 |
Optimized desulfation trigger control for an adsorber
A system, method, and software for triggering regeneration of an adsorber connected with a flow of exhaust from an engine. A sulfur loading estimate module is used to generate an estimated sulfur...
|
|
|
7533520 |
Exhaust aftertreatment mixer with stamped muffler flange
An exhaust aftertreatment system, including injection of chemical species, has a mixer in the exhaust pipe between the injector and the aftertreatment element. The mixer is provided by a stamped...
|
|
|
7533522 |
Method and apparatus for adding a reactant to an exhaust gas from an internal combustion engine
A method and apparatus for adding a reactant to an exhaust gas from an internal combustion engine is based on the principle of dividing the exhaust gas stream into an inner exhaust gas flow and an...
|
|
|
7533519 |
Three sensor comparison rationality test
Testing of temperature sensors ( 28, 30, 32 ) in an emission control system, such as in an exhaust system ( 10 ) of a diesel engine, serves to condition further component and/or system testing by...
|
|
|
7533518 |
System and method for reducing NOx emissions in an apparatus having a diesel engine
A method of operating a diesel engine in a mechanical apparatus is disclosed, wherein the diesel engine includes a combustion chamber, and wherein the mechanical apparatus also including a catalyst...
|
|
|
7533521 |
System and methods for improved emission control of internal combustion engines using pulsed fuel flow
The present invention provides systems and methods to improve the performance and emission control of internal combustion engines equipped with nitrogen oxides storage-reduction (“NSR”)...
|
|
|
7533524 |
Method and apparatus for soot filter catalyst temperature control with oxygen flow constraint
A system and method for controlling soot regeneration in a catalyst soot filter (“CSF”) of an exhaust system for a diesel engine by measuring the inlet temperature of a diesel oxidation...
|
|
|
7530220 |
Control strategy for reducing fuel consumption penalty due to NOx adsorber regeneration
A method for enabling initiation of regeneration of a NOx adsorber catalyst. While the engine is operating to propel the vehicle, data indicative of NOx adsorption efficiency of the NOx adsorber...
|
|
|
7530222 |
Hydraulic apparatus, system and method for positioning an engine exhaust flow control valve
A hydraulic assembly and method for use with an vehicle engine exhaust flow control valve for controlling flow to at least one intake supply. The assembly has an actuator, such as a spring return...
|
|
|
7530349 |
Hydrated EGR system, method and apparatus for reducing harmful exhaust emissions and improving fuel economy
A hydrated EGR system, method and apparatus for a vehicle, in which heat from an exhaust pipe is used to heat an aqueous fluid solution in a water tank. A portion of the hot exhaust gas is diverted...
|
|
|
7526914 |
Heater control device for gas sensor
An oxygen concentration sensor including the sensor element for detecting oxygen concentration in the exhaust gas and the heater for heating the sensor element is installed at the location...
|