Patent · US Expired

Drive unit with an internal combustion engine and an exhaust gas turbocharger

US6886337B2 · kind B2 · utility

9Cited by

7References

6Claims

0Family size

Assignee

Voith Turbo GmbH & Co. KG · DE

Inventors

Jurgen Friedrich · Kupferberg, DE
Peter Heilinger · Crailsheim, DE
Kai Kamossa · Crailsheim, DE

Key dates

Filing date	Feb 20, 2002
Grant date	May 3, 2005
Priority date	—
Expiry date	Feb 20, 2022

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02T10/12
WIPO fieldEngines, pumps, turbines
WIPO sectorMechanical engineering

Abstract

The invention relates to a drive unit, comprising an internal combustion engine with a crankshaft; an exhaust line; an exhaust gas turbine which is acted on by the exhaust gas line, which is arranged downstream of the internal combustion engine and has the purpose of transmitting a positive torque to the crankshaft in the traction mode; a hydrodynamic unit which is arranged downstream of the exhaust gas turbine and has two turbine blades which form a torus-shaped working chamber; the hydrodynamic unit has a drive connection to the drive train; and a parking brake is provided for securing the primary turbine wheel of the exhaust gas turbine.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.