Exhaust gas turbocharger for an internal combustion engine

Details Exhaust gas turbocharger for an internal combustion engine Exhaust gas turbocharger for an internal combustion engine

2005-02-15

2005-02-15

Denion, Thomas (Department: 3748)

Power plants

Fluid motor means driven by waste heat or by exhaust energy...

With supercharging means for engine

C415S150000, C415S191000, C415S160000

Reexamination Certificate

active

06854272

ABSTRACT:
An exhaust gas turbocharger for an internal combustion engine, which has an exhaust gas turbine in the exhaust system and a compressor in the induction system, comprises a variable turbine geometry, associated with the turbine, for adjustably setting a radial inlet cross section for the flow to the turbine rotor. The variable turbine geometry is configured as a guide cascade ring, which has guide vanes distributed over the periphery and encompasses the turbine rotor. The minimum distance between two adjacent guide vanes obeys a specified relationship with respect to the diameter of the turbine rotor and the number of guide vanes of the guide cascade ring. In addition, a flow edge is provided on the radially inner surface of each guide vane.

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Arnd Wolfram Reichert: “Strömungssimmulation zur optimierten Gestaltung von Turbonmaschinenkomponenten” 1995, Hänsel-Hohenhausen Egelsbach XP002242093 (pp. 81-117).
Arnd Wolfram Reichert: “Strömungssimulationen zur optimierten Gestaltung von Turbomaschinenkomponenten” Duisburg, 1994, published: Hänsel-Hohenhausen.

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