DUAL VOLUTE TURBOCHARGER WITH ASYMMETRIC TONGUE-TO-WHEEL SPACING

Number of patents in Portfolio can not be more than 2000

United States of America

APP PUB NO 20200024988A1
SERIAL NO

16496493

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Abstract

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The present invention is related to the housing (60) of an exhaust turbine (32) of a turbocharger comprising a first volute (61) and a second volute (62), each of the volutes (61,62) ending in respective first and second guide tongues (64,66). The gap between the first guide tongue (64) and turbine wheel is smaller than the gap between the second guide tongue (66) and turbine wheel. This tongue asymmetry allows for control of the pulse amplitude emitted when a blade of the turbine wheel passes by each respective tongue. Moreover, by increasing the wheel-to-tongue distance of only the second guide tongue (66) durability requirements can be met.

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Patent Owner(s)

Patent OwnerAddress
BORGWARNER INC3850 HAMLIN ROAD AUBURN HILLS MI 48326

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
COLLEY, Matt Arden, US 1 3
COLONT, Craig Candler, US 1 3
COMEAU, Charles Saint-Germain-en-Laye, FR 1 3

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