The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 03, 2005
Filed:
Feb. 20, 2002
Jürgen Friedrich, Crailsheim, DE;
Peter Heilinger, Crailsheim, DE;
Kai Kamossa, Crailsheim, DE;
Voith Turbo GmbH & Co. KG, , DE;
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.