COMPRESSOR COVER FOR TURBOCHARGERS

A compressor housing (16) for a turbocharger with a recirculation cavity (60) formed between a volute base portion (40) an inducer (44) and an inlet section (46) to bleed airflow from a compressor impeller (14) back into the inlet section (46). Bleed airflow can enter an angled recirculation slot (7...

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Bibliographische Detailangaben
Hauptverfasser:	OLIN DANIEL M, ERBER DOUGLAS
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 INDEXING SCHEME FOR ASPECTS RELATING TONON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES ORJET-PROPULSION PLANTS INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUSSUBCLASSES OF CLASSES F01-F04 INTERNAL-COMBUSTION PISTON ENGINES LIGHTING MECHANICAL ENGINEERING NON-POSITIVE DISPLACEMENT PUMPS POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS WEAPONS
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Beschreibung
Zusammenfassung:	A compressor housing (16) for a turbocharger with a recirculation cavity (60) formed between a volute base portion (40) an inducer (44) and an inlet section (46) to bleed airflow from a compressor impeller (14) back into the inlet section (46). Bleed airflow can enter an angled recirculation slot (70) adjacent to the compressor impeller (14) and then flow through a recirculation cavity (60) formed in the compressor housing (16) to an inlet re entry slot (72) in the inlet section (46). Such recirculated airflow can improve surge margin. The inducer (44) includes a ring (50) with an inner surface (56) that preferably aligns with a converging wall (54) of the inlet section (46) which may be a separate piece attachable to a base of the compressor housing (16). Normal airflow from the compressor impeller (14) continues through the volute base portion (40) to an engine intake manifold.