A combustion engine system
The present invention relates to a combustion engine system comprising an internal combustion engine having cylinders with a piston diameter of at least 20 cm, the engine generating exhaust gas; a turbocharger having a turbine connected with a shaft and a compressor connected with the shaft, the tur...
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| Format: | Patent |
| Sprache: | dan ; eng |
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| Zusammenfassung: | The present invention relates to a combustion engine system comprising an internal combustion engine having cylinders with a piston diameter of at least 20 cm, the engine generating exhaust gas; a turbocharger having a turbine connected with a shaft and a compressor connected with the shaft, the turbine being driven by exhaust gas from the internal combustion engine; a NOx reduction unit for purifying the exhaust gas from the internal combustion engine, said NOx reduction unit comprising a catalytic reactor, wherein the engine system further comprises an electrically and/or hydraulically powered motor for driving the shaft in order to provide auxiliary power to the compressor. The present invention also relates to a NOx reduction method for optimising reduction of emission of Nox from a combustion engine system according to the present invention. |
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