Exhaust gas recirculation device for internal combustion engine e.g. petrol engine, of motor vehicle, has adjustment device adjusting air proportion in air and fuel mixture according to oxygen quantity in exhaust gas for enrichment of gas

The device has a recirculation circuit (26) in which a part of exhaust gas is derived and is recirculated in an intake manifold (14) of a combustion chamber (10) of an internal combustion engine. A hydrogen reformer (32) enriches the recirculated exhaust gas by hydrogen. An adjustment device (38) ad...

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Bibliographische Detailangaben
1. Verfasser:	SAMSON ERWANN
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	BLASTING CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TOTRANSPORTATION COMBUSTION ENGINES COMBUSTION ENGINES IN GENERAL CONTROLLING COMBUSTION ENGINES GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS INTERNAL-COMBUSTION PISTON ENGINES LIGHTING MECHANICAL ENGINEERING SUPPLYING COMBUSTION ENGINES IN GENERAL, WITH COMBUSTIBLEMIXTURES OR CONSTITUENTS THEREOF TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE WEAPONS
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Beschreibung
Zusammenfassung:	The device has a recirculation circuit (26) in which a part of exhaust gas is derived and is recirculated in an intake manifold (14) of a combustion chamber (10) of an internal combustion engine. A hydrogen reformer (32) enriches the recirculated exhaust gas by hydrogen. An adjustment device (38) adjusts air proportion (A) in an air and fuel mixture provided in an inlet of the combustion chamber according to a desired oxygen quantity in recirculated exhaust gas for enrichment of the recirculated exhaust gas. A cooler (30) is arranged in the recirculation circuit. An independent claim is also included for an exhaust gas recirculation method for an internal combustion engine. Ce dispositif de recirculation de gaz d'échappement pour moteur à combustion interne comporte un circuit de recirculation (22) dans lequel une partie des gaz d'échappement est dérivée et ramenée dans un collecteur d'admission (14) d'une chambre de combustion (10) du moteur. Il comporte également un reformeur d'hydrogène (32) conçu pour enrichir en hydrogène les gaz d'échappement recirculés. Il comporte en outre un dispositif (38) de réglage de la proportion d'air (A) d'un mélange d'air et de carburant fourni en entrée en entrée de la chambre de combustion (10) en fonction d'une quantité d'oxygène souhaitée dans les gaz d'échappement recirculés pour leur enrichissement par le reformeur d'hydrogène (32).