Turbocharger having reduced noise emissions

Details Turbocharger having reduced noise emissions Turbocharger having reduced noise emissions

1994-01-07

1995-03-21

Look, Edward K.

Rotary kinetic fluid motors or pumps

With means for re-entry of working fluid to blade set

Radial flow runner portion guides re-entry working fluid

415 584, 415119, F04D 2966

Patent

active

053990641

ABSTRACT:
Turbocharger compressor wheels rotate at high speeds resulting in noise which is emitted therefrom. To widen the performance band of turbochargers certain efficiency improvements have increased the noise emitted therefrom above the normal level of acceptability by the operator and spectators. The present device for reducing noise emitted therefrom includes a noise reduction system. The system includes a series of deflector fins forming a torturous path between the series of deflector fins associated with the turbocharger compressor inlet and form a torturous path in a secondary inlet. The series of deflector fins have a preestablished spacing therebetween to further enhance the reduction of noise emitted from the turbocharger.

REFERENCES:
patent: 3936218 (1976-02-01), Fuller
patent: 4248566 (1981-02-01), Chapman et al.
patent: 4479755 (1984-10-01), Skoe
patent: 4743161 (1988-05-01), Fisher et al.
patent: 4930978 (1990-06-01), Khanna et al.
patent: 4981018 (1991-01-01), Jones et al.
patent: 5246335 (1993-09-01), Mitsubori et al.
patent: 5295785 (1994-03-01), Church et al.

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