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7634906 |
Exhaust gas after-treatment apparatus
In an exhaust gas after-treatment apparatus ( 30 ) including a particulate filter ( 32 ) that receives an exhaust gas having passes through a catalyst converter ( 31 ) and traps particulates in an...
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7634907 |
System for assisting in the regeneration of motor vehicle depollution means integrated in an exhaust line of a vehicle diesel engine
System in which the depollution device is associated with an oxidation catalyst, and the engine is associated with a common rail for feeding it with fuel and adapted to implement a regeneration...
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7631491 |
Method and system for passive regeneration of compression ignition engine exhaust filters
A method and system for passively regenerating particulate filters, catalyze soot filters and NOx adsorber catalysts for a vehicle having a compression ignition engine having an engine control...
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7631492 |
System and method for inhibiting uncontrolled regeneration of a particulate filter for an internal combustion engine
Inhibiting uncontrolled regeneration of a particulate filter fluidly coupled to an exhaust manifold of an internal combustion engine may comprise reducing an oxygen concentration of exhaust gas...
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7631493 |
Exhaust gas purification control of diesel engine
A diesel particulate filter ( 14 ) which traps particulate matter and a NOx trap catalyst ( 13 ) which traps nitrogen oxides are installed in series in an exhaust passage ( 10 ) of a diesel engine...
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7631489 |
Strategy for selectively bypassing a DPF in a hybrid HCCI combustion engine
In a conventional diesel combustion mode, one or more cylinders ( 12 ) of an engine ( 10 ) is or are fueled to cause conventional diesel combustion in each such cylinder. The resulting exhaust gas...
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7630817 |
Method for controlling the speed of a vehicle
A method for controlling the speed of a vehicle, the method making it possible to maintain a predefined setpoint speed even on downhill grades. In the event that the actual speed of the vehicle...
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7628013 |
Control device of charge compression ignition-type internal combustion engine
A control device is applied to a multi-cylinder 4-cycle charge compression ignition-type internal combustion engine. The control device operates to open an exhaust valve in an exhaust stroke of...
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7628009 |
Exhaust aftertreatment system with transmission control
A power generation system comprising a LNT for exhaust aftertreatment. The LNT has an effective operating temperature range. When the LNT is near a limit of its effective operating temperature...
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7624570 |
Optimal fuel profiles
A method is provided for regenerating a LNT in a diesel engine exhaust aftertreatment system. Typically, the aftertreatment system comprises a fuel reformer, a LNT, and a SCR catalyst in that...
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7624569 |
Engine system including multipe engines and method of operating same
Engines that include different combustion strategies for different cylinders may create a power imbalance resulting in undesirable engine vibrations. The engine system of the present disclosure...
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7627418 |
System and method to control engine during de-sulphurization operation in a hybrid vehicle
A vehicle system, comprising of an engine with a first cylinder and a second cylinder operating with different engine torques, a motor coupled to said engine capable of absorbing torque and...
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7624568 |
Vehicle and control method thereof
When both catalyst degradation and catalyst odor need to be suppressed when a fuel cut condition is satisfied, a fuel cut control is executed giving priority to control for suppressing catalyst...
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7621121 |
Method and arrangement for purifying exhaust gas in an internal combustion engine
The invention relates to a method for purifying exhaust gas in an internal combustion engine provided with an LNT and a particulate matter filter arranged in an exhaust gas conduit of the engine....
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7621120 |
Hybrid technology for lean NOx trap and particulate filter regeneration control
A method for the use of hybrid technology to control lean NOx trap (LNT) and particulate filter regenerations using an electric motor wherein for the LNT (a) the electric motor is adapted to absorb...
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7623953 |
Integrated regeneration and engine controls
A method to integrate engine and exhaust aftertreatment control may include connecting an engine controller to an aftertreatment controller using a common data link protocol to provide a...
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7617673 |
Controller for internal combustion engine
A start-up assisting degree by a motor is set at an appropriate level on the basis of a catalyst condition represented by a catalyst temperature, an oxygen storage (degree) in the catalyst, a...
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7614214 |
Gasification of soot trapped in a particulate filter under reducing conditions
A power generation system comprises a diesel engine, a diesel particulate filter and a LNT configured to receive the exhaust from the DPF. The DPF is provided with a catalyst coating that is...
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7614212 |
Engine control apparatus
An engine control apparatus is configured to prevent damage to a catalytic converter caused by the occurrence of temperature differences. The engine control apparatus is particularly useful in a...
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7610749 |
Exhaust gas cleaning apparatus having particulate collector for use in automotive vehicle
An exhaust gas cleaning apparatus (e.g., for a diesel engine) uses a collector for collecting particulates contained in the exhaust gas and is disposed in an exhaust pipe of the engine. Damages in...
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7610757 |
Intake controller of internal combustion engine
An intake controller installed in a diesel engine, wherein the control part of a valve controller fully opens a bypass valve in a bypass passage when it determines that the operating state of the...
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7607288 |
Catalyst deterioration diagnosis apparatus and catalyst deterioration diagnosis method for internal combustion engine
A catalyst deterioration diagnosis apparatus for an internal combustion engine, comprising means for subjecting output signals of an upstream-side and a downstream-side O 2 sensors to weighted...
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7603845 |
Method and device for managing the operation of a nitrogen oxide trap, and diagnosing its ageing condition
The invention concerns a method which consists in arranging a oxygen probe ( 21 ) of an exhaust pipe and observing that substantial unique increase of said representative signal towards a threshold...
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7603847 |
Device and method for internal combustion engine control
A system for an engine is shown that includes an upstream emission control device and a downstream emission control device. The upstream device has a washcoat having a predetermined amount of...
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7603848 |
Control apparatus of internal combustion engine
The ignition timing is sustained at an initial value during a predetermined time beginning at a start of an engine, and is retarded after the predetermined time is elapsed to heat a catalyst at an...
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7600374 |
Regeneration control of exhaust gas filter
A controller ( 70 ) controls regeneration of an exhaust gas filter ( 52 ) which traps particulate matter contained in exhaust gas to prevent the particulate matter from being discharged into the...
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7600373 |
Regeneration controller for exhaust purification apparatus of internal combustion engine
A regeneration controller that prevents overheating when performing burn-up heating for completely burning particulate matter by intermittent fuel addition to an exhaust system or intermittent...
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7600375 |
Catalytic device with fuel cell portion and catalytic conversion portion
An apparatus comprising an internal combustion engine, an exhaust system for conducting exhaust emitted by the engine, and a catalytic device associated with the exhaust system is disclosed,...
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7596941 |
Air-fuel ratio control device for internal combustion engine
An air-fuel ratio control device for an internal combustion engine can detect the deteriorated purification state of a catalyst without delay after completion of rich or lean control, and can...
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7596942 |
System for assisting regeneration of pollution management means for motor vehicle engine
The invention concerns a system for assisting regeneration of pollution management means ( 1 ) integrated in an exhaust line ( 3 ) of a diesel engine ( 4 ), wherein the engine ( 4 ) is associated...
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7594392 |
System for controlling adsorber regeneration
A system, method, and software for regenerating an adsorber connected with a flow of exhaust from an engine. An open-loop control module for ramping up and maintaining a temperature value of an...
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7594390 |
Combustion control apparatus and method for internal combustion engine
In combustion control apparatus and method for an internal combustion engine, an exhaust gas purifying section is disposed in an exhaust system of the engine, a determination is made, on the basis...
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7594391 |
Exhaust system and control method for an internal combustion engine
An exhaust system for an internal-combustion engine comprises an exhaust bypass in parallel with an upstream portion of a main exhaust path having a main catalytic converter in a downstream portion...
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7591130 |
Control apparatus and method for vehicle having internal combustion engine and continuously variable transmission, and control apparatus and method for internal combustion engine
A control apparatus is provided for a vehicle including an internal combustion engine and a continuously variable transmission capable of controlling an output speed of the engine. A controller of...
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7591131 |
Low pressure EGR system having full range capability
An exhaust treatment system for an engine is disclosed and may have an air induction circuit, an exhaust circuit, and an exhaust recirculation circuit. The air induction circuit may be configured...
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7587889 |
System for determining NOx conversion efficiency of an exhaust gas aftertreatment component
A system for determining a NOx conversion efficiency of an exhaust gas aftertreatment component comprises means for determining an operating temperature of the exhaust gas aftertreatment component,...
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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...
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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...
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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...
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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...
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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...
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7581388 |
System for purging sulfate from a NOx trap for a motor vehicle engine
System in which the NOx trap is associated with a catalyst integrated in an exhaust line of a vehicle engine, and in which the engine is associated with common manifold or “rail” fuel feeder...
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7581394 |
Variable nozzle device for a turbocharger
A nozzle device for a turbine of a turbocharger according to the present invention comprises variable annular nozzle ( 2 ) defined between an inboard wall ( 3 ) and an outboard wall ( 4 ), wherein...
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7578123 |
Exhaust cleaning device of diesel engine
An integrating PM amount σ PM as an integrating value of a PM generating amount after DPF regeneration is read (S 1 ). The integrating PM amount and a first threshold value SL 1 set in advance...
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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...
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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...
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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...
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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...
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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...
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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...
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