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Matches 151 - 200 out of 2,995

Document Document Title
WO/2012/117183A1
The invention relates to a method for running diagnostics on an oxidation catalytic converter (40) in an exhaust line (20) for gases (90) emanating from an internal combustion engine (80), the exhaust line (20) comprising a selective cat...  
WO/2012/110210A1
In a method for the model-based determination of the temperature distribution of a post-treatment unit for exhaust gas, steady-state and non-steady-state operating states are differentiated by taking into account the axial and radial tem...  
WO/2012/109504A2
An after-treatment device that includes a diesel particulate filter (DPF) requiring periodic regeneration includes a sensor providing a signal indicative of a soot accumulation and at least one device providing an operating parameter ind...  
WO/2012/108809A1
A method of calibration of at least one fuel injector for a fuel burner in an exhaust gas treatment system for an internal combustion engine is therefore suggested. The inventive method is adapted for an exhaust gas system having said fu...  
WO/2012/109504A3
An after-treatment device that includes a diesel particulate filter (DPF) requiring periodic regeneration includes a sensor providing a signal indicative of a soot accumulation and at least one device providing an operating parameter ind...  
WO/2012/108795A1
A method of calibration of at least one fuel injector for a fuel burner in an exhaust gas treatment system for an internal combustion engine is therefore suggested. The inventive method is adapted for an exhaust gas system having said fu...  
WO/2012/105890A1
The present invention relates to a method pertaining to regeneration of a particle filter (202) in a post-treatment system (200), which particle filter (202) is intended to treat an exhaust flow arising from combustion in a combustion en...  
WO/2012/105396A1
The present invention addresses the problem of providing an exhaust treatment device for a diesel engine that is capable of suppressing a deterioration in fuel consumption and a decrease in output. To solve this problem, this exhaust tre...  
WO/2012/100992A1
The invention relates to a method for operating an exhaust gas system (1) of an internal combustion engine (5), having at least one adsorber (2) for the adsorption of hydrocarbons, a catalytic converter (3) arranged downstream of the ads...  
WO/2012/101739A1
An internal combustion engine control unit of the present invention is a control unit which improves accuracy of required torque realization and changes an air-fuel ratio to maintain emission performance. The control unit creates a targe...  
WO/2012/102664A1
Exhaust post-treatment system for a combustion engine, comprising an exhaust post-treatment device (10), e.g. in the form of a catalyst or a filter; a sensor (22) adapted to determining a measurement signal for the magnitude of a paramet...  
WO/2012/101041A1
The invention relates to a device (17) comprising an exhaust treatment device (1) for purifying the exhaust gases of an internal combustion engine (2). Said exhaust treatment device comprises at least one injector (3) for supplying a flu...  
WO/2012/102666A1
Exhaust post-treatment system (4) for a combustion engine (2), comprising a selective catalytic reduction catalyst (SCR catalyst) (10); an NOx sensor (22) adapted to determining the content of nitrogen oxides (NOx) in exhaust gases which...  
WO/2012/090800A1
[Problem] To provide an exhaust purification system capable of forestalling blockage in a reducing agent injection valve caused by the solidification of an aqueous urea solution, and preventing the decline of exhaust purification efficie...  
WO/2012/087015A2
The present invention relates to an active DPF regeneration system of an engine of a construction machine, and more particularly, to an active DPF regeneration system and a method thereof, in which non-work load is arbitrarily provided t...  
WO/2012/085035A1
The invention relates to a method for operating a soot sensor (10), wherein the soot sensor (10) has an interdigital electrode structure (3), to which a measurement voltage is applied, wherein soot particles (4) from an exhaust gas flow ...  
WO/2012/087015A3
The present invention relates to an active DPF regeneration system of an engine of a construction machine, and more particularly, to an active DPF regeneration system and a method thereof, in which non-work load is arbitrarily provided t...  
WO/2012/088016A1
A method of operating an exhaust particulate filter system (20) for an internal combustion engine (18) includes transmitting electromagnetic energy, for example having a frequency above about 2 GHz, through an exhaust particulate filter ...  
WO/2012/088039A1
A method of operating an exhaust particulate filter system (20) for an internal combustion engine (18) includes transmitting electromagnetic energy, for example having a frequency above about 2 GHz through an exhaust particulate filter (...  
WO/2012/080347A3
The invention relates to a method for operating a soot sensor (10) in the exhaust gas tract of an internal combustion engine (17). Said soot sensor (10) comprises an inter-digital electrode structure (3) to which a measurement voltage is...  
WO/2012/082268A2
A machine (10) includes an internal combustion engine (18), and an exhaust particulate filter system (20) coupled therewith having an exhaust particulate filter (22) for trapping particulates in exhaust from the internal combustion engin...  
WO/2012/082268A3
A machine (10) includes an internal combustion engine (18), and an exhaust particulate filter system (20) coupled therewith having an exhaust particulate filter (22) for trapping particulates in exhaust from the internal combustion engin...  
WO/2012/080347A2
The invention relates to a method for operating a soot sensor in the exhaust gas tract of an internal combustion engine. Said soot sensor comprises an inter-digital electrode structure to which a measurement voltage is applied. Soot part...  
WO/2012/072566A1
The invention relates to a method for determining the NH3 loading of an SCR catalytic converter in the exhaust-gas section of an internal combustion engine, wherein the NH3 concentration in the exhaust gas is determined by way of at leas...  
WO/2012/064253A1
The invention relates to an exhaust post-treatment device (2) for a vehicle (4) adapted to reducing nitrogen oxides present in the exhaust gases (20) of the vehicle (4) by supply of liquid reducing agent (18) to the exhaust gases (20) in...  
WO/2012/054622A2
An interface relay system for use with a fully implantable medical devices that permits transcutaneous coupling of the implanted medical device to a consumer electronics device. In one embodiment, coupling the implanted medical device to...  
WO/2012/046126A1
An exhaust gas control apparatus includes: a fuel supply portion (34) that is provided so as to supply fuel to a portion of an exhaust passage (14), which is upstream of an exhaust gas purification member (20, 22, 24) provided in the exh...  
WO/2012/044647A2
The present application generally relates to a diesel engine (206, 306, 406, 706, 906, 1 106, 1206) and, more particularly, to a control system (280, 880) and method for an exhaust aftertreatment system (251, 1051, 1 151, 1251) for a loc...  
WO/2012/044647A3
The present application generally relates to a diesel engine (206, 306, 406, 706, 906, 1 106, 1206) and, more particularly, to a control system (280, 880) and method for an exhaust aftertreatment system (251, 1051, 1 151, 1251) for a loc...  
WO/2012/038894A1
A method of inspecting a ceramic wall-flow filter (1) for a vehicle exhaust system includes the steps of: a) providing a source (9) of heat energy suitable for heating material within the filter (1); b) applying heat energy from the sour...  
WO/2012/038627A1
The invention relates to a procedure (1) for estimating the current loading (MC) of a filter, consisting especially in identifying an engine operating mode corresponding to an operating phase of the particulate filter, especially when th...  
WO/2012/035774A1
A method for warming an after-treatment burner system configured in a manner such that a burner (14) is provided upstream from a particulate filter (12) (exhaust purifying material) installed in an exhaust pipe (11) and combustion by the...  
WO/2012/033704A2
A diesel particulate filter system comprising: a temperature sensor on the inlet side of the diesel particulate filter; a temperature sensor on the outlet side of the diesel particulate filter; a pressure sensor on the inlet side of the ...  
WO/2012/033704A3
A diesel particulate filter system comprising: a temperature sensor on the inlet side of the diesel particulate filter; a temperature sensor on the outlet side of the diesel particulate filter; a pressure sensor on the inlet side of the ...  
WO/2012/029606A1
[Problem] To provide a working machine provided with an electric load application means and capable of burning particulate matter trapped by a filter of an exhaust gas purification device even when an electrically-driven system including...  
WO/2012/030275A1
The present invention relates to a method pertaining to regeneration of a particle filter (202) pertaining to a combustion process, which filter is arranged to treat exhaust gases arising from combustion in a combustion engine (101). The...  
WO/2012/030279A1
The present invention relates to a method and a system for estimation of a soot load in a particle filter in an exhaust cleaning system, which estimation involves using a pressure drop across said particle filter in order to determine sa...  
WO/2012/030278A1
The present invention relates to a method and a system for estimation of an ash level in a particle filter in an exhaust cleaning system, whereby - a partial regeneration of said particle filter is effected when a soot load of said parti...  
WO/2012/029628A1
[Problem] To provide a hydraulic working machine capable of recovering, as electric power, energy used to increase a load for an engine when particulate matter in exhaust gas is burned. [Solution] The present invention is configured such...  
WO/2012/030280A1
The present invention relates to a method and a system for regulating a temperature T DPF in a particle filter which is situated downstream of an oxidation catalyst in an exhaust cleaning system and has an inlet temperature T in_DPF whic...  
WO/2012/024653A2
Systems and methods for skip fire spark ignition engine operation with a lean NOx trap after-treatment are provided. This system includes engine control circuitry capable of fueling and firing subsets of the engine's cylinders. Other cyl...  
WO/2012/024653A3
Systems and methods for skip fire spark ignition engine operation with a lean NOx trap after-treatment are provided. This system includes engine control circuitry capable of fueling and firing subsets of the engine's cylinders. Other cyl...  
WO/2012/021103A1
The present invention relates to an arrangement for controlling the injection of a reducing agent in an exhaust line of a combustion engine (1). The arrangement comprises an injection system (8-12) adapted to injecting the reducing agent...  
WO/2012/018186A2
Disclosed is an after treatment device of an engine, which comprises: an urea solution injection section (3) for injecting an urea solution to exhaust gas that is discharged from a combustion chamber of an engine (1) to the outside via a...  
WO/2012/018186A3
Disclosed is an after treatment device of an engine, which comprises: an urea solution injection section (3) for injecting an urea solution to exhaust gas that is discharged from a combustion chamber of an engine (1) to the outside via a...  
WO/2012/014037A1
The invention relates to a method for controlling a system for reducing the amount of NOx in the exhaust gases of a motor vehicle. The system comprises a storage chamber (8) which contains a pollutant-removing agent and which is arranged...  
WO/2012/004673A2
A control device of an internal combustion engine switches the air-fuel ratio of in-cylinder gas from a lean first air-fuel ratio for normal operation to a rich second air-fuel ratio, and carries out intake air restriction during a switc...  
WO/2012/004648A8
Utilizing the finding that the state of adsorption of NH3 on a selective reduction type NOx catalyst includes a weakly adsorbed state in which the adsorbed NH3 is useful for a reduction reaction of NOx and a strongly adsorbed state in wh...  
WO/2012/004673A3
A control device of an internal combustion engine switches the air-fuel ratio of in- cylinder gas from a lean first air-fuel ratio for normal operation to a rich second air- fuel ratio, and carries out intake air restriction during a swi...  
WO/2012/004648A1
Utilizing the finding that the state of adsorption of NH3 on a selective reduction type NOx catalyst includes a weakly adsorbed state in which the adsorbed NH3 is useful for a reduction reaction of NOx and a strongly adsorbed state in wh...  

Matches 151 - 200 out of 2,995