TURBO-CHARGER WITH EXHAUST GAS RECIRCULATION

PROBLEM TO BE SOLVED: To relieve the restriction on the performance of a compressor when the exhaust air is recirculated from the turbine side to the compressor side of a turbo-charger. SOLUTION: A multi-stage compressor 26 of the turbo-charger 12 comprises a first compressor wheel 46 supported at a...

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Bibliographische Detailangaben
Hauptverfasser:	GLADDEN JOHN R, HOUTZ PHILLIP J
Format:	Patent
Sprache:	eng
Schlagworte:	AIR INTAKES FOR JET-PROPULSION PLANTS BLASTING COMBUSTION ENGINES COMBUSTION ENGINES IN GENERAL CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS GAS-TURBINE PLANTS 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 WEAPONS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To relieve the restriction on the performance of a compressor when the exhaust air is recirculated from the turbine side to the compressor side of a turbo-charger. SOLUTION: A multi-stage compressor 26 of the turbo-charger 12 comprises a first compressor wheel 46 supported at a shaft, a first intake 52 extending in the axial direction combined with the first compressor wheel 46, and a first outlet 54 extending in the radial direction combined with the compressor wheel. A second compressor wheel 48 supported at the shaft 38 comprises a second intake 58 extending in the axial direction combined with the second compressor wheel 48, and a second outlet 60 extending in the radial direction combined with the second compressor wheel 48. A duct 64 between stages makes the first outlet 54 hydraulically communicate with the second intake 58 in series. A duct 76 for exhaust gas recirculation makes a turbine 24 hydraulically communicate with the duct 64 between stages. A valve 82 is disposed inside the duct 76 for exhaust gas recirculation.