TURBOCHARGER NOISE DEFLECTOR

A turbocharger having a bypass port compressor, with a center channel that flows directly into the compressor wheel (50), and an annular channel (72) which acts as a bypass and provides flow either into or out of the compressor wheel, with an inner deflector (90) having at least a first surface subs...

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Bibliographische Detailangaben
Hauptverfasser:	SAHAY, SUNIL, NANDAN, BROWN, DANIEL, VOLLE
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	BLASTING CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TOTRANSPORTATION COMBUSTION ENGINES COMBUSTION ENGINES IN GENERAL ENGINE PLANTS IN GENERAL GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNALCOMBUSTION ENGINES GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES ORENGINES IN GENERAL 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 INDEXING SCHEME RELATING TO MACHINES OR ENGINES OTHER THANNON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, TO WIND MOTORS,TO NON-POSITIVE DISPLACEMENT PUMPS, AND TO GENERATING COMBUSTIONPRODUCTS OF HIGH PRESSURE OR HIGH VELOCITY INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUSSUBCLASSES OF CLASSES F01-F04 INTERNAL-COMBUSTION PISTON ENGINES LIGHTING MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING NON-POSITIVE DISPLACEMENT PUMPS POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS STEAM ENGINES 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:	A turbocharger having a bypass port compressor, with a center channel that flows directly into the compressor wheel (50), and an annular channel (72) which acts as a bypass and provides flow either into or out of the compressor wheel, with an inner deflector (90) having at least a first surface substantially perpendicular to the annular channel and extending radially into the annular channel, and at least a second surface substantially parallel to the annular channel and extending axially along the annular channel, such that line-of-sight transmission of sound from the annular channel is eliminated, and sound waves are instead dampened or canceled, reducing noise emissions from the compressor. L'invention concerne un turbocompresseur qui comprend un compresseur à orifice de dérivation comportant un conduit central qui conduit le flux directement dans la roue (50) du compresseur, et un conduit (72) annulaire qui sert de dérivation et dirige le flux soit dans la roue de compresseur soit hors de celle-ci, ainsi qu'un déflecteur (90) interne présentant au moins une première surface sensiblement perpendiculaire au conduit annulaire et s'étendant axialement dans ce dernier, et au moins une seconde surface sensiblement parallèle au canal annulaire et s'étendant axialement dans le canal, de manière à supprimer la transmission en ligne directe du son à partir du conduit annulaire et à atténuer ou supprimer les ondes sonores, afin de réduire les émissions sonores du compresseur.