Vortex transition duct

Details Vortex transition duct Vortex transition duct

1982-09-30

1985-04-23

Garrett, Robert E.

Rotary kinetic fluid motors or pumps

Working fluid passage or distributing means associated with...

Casing having tangential inlet or outlet

415219B, F01D 108, F01D 2524

Patent

active

045127166

ABSTRACT:
A turbine housing construction particularly adapted for use with turbochargers for internal combustion engines. A vortex transition duct is inserted between the source of exhaust gas for driving the turbine and the exhaust gas inlet of the turbine volute. In prior turbocharger constructions, the distribution of the velocity of the exhaust gas fed to and as seen by the turbine volute inlet is uniform. Yet, it is desirable that the radial velocity distribution of exhaust gases entering the turbine volute be of a free vortex distribution. The vortex transition duct of this invention transforms the uniform radial velocity distribution of the exhaust gases, prior to their entry into the turbine volute inlet, into a free vortex distribution.

REFERENCES:
patent: 4177005 (1979-12-01), Bozung et al.
patent: 4381171 (1983-04-01), Chapple

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