An internal combustion engine (1) is provided with an exhaust particulate filter (6) disposed in an exhaust passage (4). When the particulate deposition amount and the temperature of the exhaust particulate filter (6) meet a predetermined excessive temperature rise condition, fuel cut during…
A transport power system is provided. The transport power system includes a prime mover separate from another prime mover used for operating a vehicle, an absolute pressure sensor configured to sense an absolute pressure, and a controller. The controller is configured to determine an altitude of…
A fuel reforming system includes a fuel injection device capable of injecting fuel into an EGR passage, a reforming catalyst provided in the EGR passage, an oxidation catalyst provided in the vicinity of the reforming catalyst in the EGR passage, and an air supply device that supplies air to the…
A control device that can execute forced regeneration processing in an engine that comprises: a DOC and a DPF that are arranged on an exhaust flow channel of the engine; and a heating means that is for heating the DOC and the DPF and includes an exhaust throttle valve. The forced regeneration…
During operation under fuel cutoff control, the fuel cutoff control is interrupted when a decrease in temperature of cooling water from a temperature of cooling water that is detected at a start of the fuel cutoff control reaches or exceeds a second specified value under conditions that a degree of…
Set a lower limit for an engine revolution speed when an accelerator is off while a temperature of the gasoline particulate filter is equal to or lower than a predetermined first temperature or equal to or higher than a predetermined second temperature, the predetermined second temperature being…
A process is provided for commissioning a particulate filter for the exhaust system of a device powered in whole or in part by an internal combustion engine. The process improves the filtration efficiency of an uncarbonized or decarbonized particulate filter through a single deposition of metal…
Systems and methods for operating a spark ignition engine that includes a particulate filter in the engine's exhaust system are described. In one example, the spark ignition engine is prevented from exceeding a threshold engine load when the engine is supplying power to an electric machine so that…
In a method for diagnosing a particle filter of a motor vehicle a particle sensor which is connected downstream and has a ceramic sensor element is used, wherein, for the particle sensor, regeneration () of the ceramic sensor element is provided by thermal heating to a specific temperature and for…
A sooty smoke filter regeneration control system of a hybrid vehicle, includes an engine, a sooty smoke filter installed in an exhaust line through which exhaust gas from the engine passes, and filtering out sooty smoke included in the exhaust gas; a temperature sensor installed in the front end of…
When regeneration of a filter (51) is request (S20), an ignition timing of an internal combustion engine is controlled to be retarded (S30) and an opening degree of a wastegate valve (27) is controlled to be decreased (S40), as compared with a case where the regeneration is not requested. When the…
Fuel supplied by post injection is burned within a cylinder to increase the temperature of exhaust-gases effectively. There is provided a regeneration device for an exhaust-gas purifying device 40 which is provided in an exhaust system 20 of an internal combustion engine 10, the regeneration device…
A twin charged engine is provided. The engine comprises a catalytic converter; a first compressor which, when operated, increases engine load; a second compressor which extracts energy from the exhaust gases to increase the overall engine efficiency; and a controller configured to operate one of at…
The invention relates to a trigger method to start an active regeneration cycle of a particle filter (12) in a vehicle (10), whereas a general drive index (GI) of the vehicle (10) is recorded, a current physical condition of the particle filter (12) is sensed, a current drive pattern (DP) of the…
The invention relates to a trigger method to start an active regeneration cycle of a particle filter (12) in a vehicle (10), whereas a general drive index (GI) of the vehicle (10) is recorded, a current physical condition of the particle filter (12) is sensed, a current drive pattern (DP) of the…
The invention relates to an internal combustion engine with a combustion chamber and an exhaust system into which exhaust gas (10) leaving the combustion chamber can be introduced and which has an exhaust gas recirculation by means of which the exhaust gas (10) can be at least partially…
The invention relates to an internal combustion engine with a combustion chamber and an exhaust system into which exhaust gas (10) leaving the combustion chamber can be introduced and which has an exhaust gas recirculation by means of which the exhaust gas (10) can be at least partially…
While the amount of PM building up in a particulate filter (DPF) is increasing (until reaching a DPF regeneration start determination value Thpms), one or both of an EGR amount reduction control in which an EGR amount to be recirculated into an air intake system is reduced so that the amount of NOx…
It is intended to provide an exhaust gas purification system for an internal combustion engine, which is capable of suppressing HC emission increase and raising the temperature of an exhaust gas purifier at an early stage while maintaining stable combustion during the warm-up operation such as…
An exhaust gas after-treatment method includes determining a regeneration condition of a particulate matter filter, eliminating trapped particulate matter to a predetermined amount by raising a temperature of exhaust gas to a first value so as to regenerate the particulate matter filter. An exhaust…
An exhaust gas purification system and a regeneration control method thereof is configured to determine whether a regeneration condition of particulate filter is satisfied through vehicle information to regenerate the particulate filter until particulate matter has reached a predetermined reference…
The present invention relates to a method (10) of burning soot in an exhaust particulate filter (11) of a combustion engine (12) to regenerate the particulate filter (11) and to a vehicle, adapted to perform this method (10). Thus a method (10) of burning soot in an exhaust particulate filter (11)…
An object of the present invention is to provide an exhaust gas processing device for a diesel engine, which can suppress fuel consumption deterioration and output reduction. To achieve the object, the exhaust gas processing device for a diesel engine includes a DPF, a PM deposition amount…
The present disclosure relates to engine exhaust aftertreatment systems, and more particularly to the regeneration of a diesel particulate filter. A controller (71) is used to switch the power system (1), in which the aftertreatment system is used, from a first operation mode into a second…
The method involves filtering solid particles (2) contained in polluting emissions by a particle filter (1), where the filter allows filtration of solid particles when covered with a fine solid particles layer (4) during normal functioning of an engine, and drives a back-pressure with exhaust of…
Provided is an exhaust gas purification system in an upland area capable of maintaining engine performance when a vehicle travels in a normal drive mode in an upland area, securing the amount of oxygen required for post-injection when the vehicle is in a regeneration mode, and switching between the…
In order that in manual regeneration control for regenerating a particulate removal filter by increasing the engine rotation speed, the increase of the engine rotation speed can be suppressed while the exhaust gas temperature required to regenerate the particulate removal filter is maintained…
An object of the invention is to provide an engine device which improves a general-purpose property of an ECU (11) carrying out a drive control of an engine (70) and a regeneration control of a DPF (50). The engine device of the invention is provided with an exhaust gas purifying device (50) which…
An exhaust gas purification apparatus for a diesel engine (10) mounted on a vehicle includes a regenerative diesel particulate filter (30), an accumulated amount detector (40), an exhaust gas temperature raising unit, and a forcible regeneration control unit. The forcible regeneration control unit…
Disclosed is a working machine capable of preventing damage to a filter due to excessive accumulation of PM, even under a situation that requires, prior to compulsory regeneration of the filter, moving the machine to a place in which to perform regeneration work. The working machine that includes…