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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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 ...
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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...
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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 (...
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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 ...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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 ...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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WO/2011/162703A1 |
The invention relates to a method pertaining to an HC dosing system in which fuel in liquid form is supplied to a feed device (230) via which fuel is supplied to at least one consumption point (250) from a container (205), comprising the...
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WO/2011/162691A1 |
The invention relates to a method pertaining to HC dosing systems for exhaust cleaning which comprise a dosing unit (250) for fuel, comprising the step of deciding about a need, after cessation of an exhaust flow, to cool said fuel dosin...
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WO/2011/161350A2 |
The invention relates to a device comprising an injection system fed from a set of upstream pipes (3, 5, 9) and capable via a downstream pipe (6) of injecting a gaseous reducing agent into an exhaust line (7) upstream of a catalytic conv...
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WO/2011/162692A1 |
The invention relates to a method for cooling a dosing unit (250) pertaining to SCR systems for exhaust cleaning, comprising the steps, after cessation of exhaust flow, of cooling a reducing agent dosing unit (250) by means of reducing a...
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WO/2011/162684A1 |
The invention relates to a method pertaining to SCR systems which comprise a dosing unit (250) to supply reducing agent to an exhaust duct (240) for exhaust cleaning, and a container for reducing agent, comprising the step of choosing (s...
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WO/2011/162688A1 |
The invention relates to a method pertaining to SCR systems for exhaust cleaning, comprising the steps of deciding about a need, after cessation of an exhaust flow, to cool a reducing agent dosing unit (250), which forms part of the SCR ...
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WO/2011/162689A1 |
The invention relates to a method for cooling a dosing unit pertaining to HC dosing systems for exhaust cleaning which comprise a dosing unit (250) for fuel and a feed device (230) for said fuel, comprising the step of cooling said fuel ...
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WO/2011/162693A1 |
The invention relates to a method pertaining to a liquid supply system whereby liquid is supplied to a feed device (230) via which liquid is supplied to at least one consumption point (250), comprising the steps of determining presence o...
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WO/2011/162694A1 |
The invention relates to a method for cooling a dosing unit (250) pertaining to HC dosing systems for exhaust cleaning which comprise the dosing unit (250) for fuel and a feed device (230) to supply said fuel for cooling, comprising the ...
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WO/2011/162696A1 |
The invention relates to a method pertaining to an HC dosing system whereby fuel is supplied to a feed device (230) via which fuel is supplied to at least one consumption point (250) from a container (205), comprising the steps of determ...
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WO/2011/162702A1 |
The invention relates to a method pertaining to an SCR system in which reducing agent in liquid form is supplied to a feed device (230) via which reducing agent is supplied to at least one consumption point (250) from a container (205), ...
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WO/2011/162690A1 |
The invention relates to a method for cooling a dosing unit (250) pertaining to SCR systems for exhaust cleaning, comprising the step, after cessation of exhaust flow, of cooling a reducing agent dosing unit (250) by means of reducing ag...
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WO/2011/154802A1 |
A porous structure including a pair of electrodes disposed in a flow direction of exhaust gas and a solid electrolyte interposed between the electrodes is arranged in an exhaust passage of an internal combustion engine, and the amount of...
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WO/2011/145572A1 |
The disclosed SCR system can prevent erroneous indications of insufficient aqueous urea solution due to fluctuations in the liquid surface in an aqueous urea solution tank, preventing an engine from being unnecessarily prohibited from st...
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