Exhaust gas turbocharger for an internal combustion engine

US7350356B2 · kind B2 · utility

Assignee

• Daimler AG · DE

Inventors

• Siegfried Sumser · Stuttgart, DE
• Helmut Finger · Echterdingen, DE
• Paul Löffler · Stuttgart, DE
• Peter Fledersbacher · Stuttgart, DE
• Hans-Jurgen Weimann · Oppenweiler, DE

Key dates

• Filing date: Jun 24, 2003
• Grant date: Apr 1, 2008
• Expiry date: Oct 7, 2023

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y02T10/12
• WIPO field: Engines, pumps, turbines
• WIPO sector: Mechanical engineering

Abstract

An exhaust gas turbocharger for an internal combustion engine has an exhaust gas turbine in the exhaust gas train and a compressor in the intake tract, whereby an adjustable throttle device is provided upstream from the compressor wheel, for regulating the air mass stream to be supplied. The throttle device comprises a first guide grid and a second guide grid in the inflow region to the compressor wheel. Each guide grid possesses an adjustable grid geometry.