Method and apparatus for avoiding compressor surging of a turbocharger of an internal combustion engine

The engine has a turbocharger including a compressor (8) to compress an exterior gas, and a recirculation circuit to re-inject a part of exhaust gas in an inlet of a combustion chamber (1). An exhaust gas recirculation valve (14) is controlled by an electronic control case (60) to regulate mass flow...

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Bibliographische Detailangaben
Hauptverfasser:	Hayat, Olivier, Calendini, Pierre-Olivier
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BLASTING COMBUSTION ENGINES COMBUSTION ENGINES IN GENERAL CONTROLLING COMBUSTION ENGINES ENGINE PLANTS IN GENERAL GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNALCOMBUSTION ENGINES GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES ORENGINES IN GENERAL HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS INTERNAL-COMBUSTION PISTON ENGINES LIGHTING MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING STEAM ENGINES SUPPLYING COMBUSTION ENGINES IN GENERAL, WITH COMBUSTIBLEMIXTURES OR CONSTITUENTS THEREOF WEAPONS
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Beschreibung
Zusammenfassung:	The engine has a turbocharger including a compressor (8) to compress an exterior gas, and a recirculation circuit to re-inject a part of exhaust gas in an inlet of a combustion chamber (1). An exhaust gas recirculation valve (14) is controlled by an electronic control case (60) to regulate mass flow of the re-injected gas. The case prevents exceeding of maximum mass flow of the re-injected gas relative to a minimum mass flow of the exterior gas, below which the compressor tends to pump. A temperature sensor (53a), pressure sensors (52, 53b) and a rotation sensor (55) are connected to the case. An independent claim is also included for a method for supercharging an engine with compressed gas.