Drive unit with an engine and a retarder

US5743232A · kind A · utility

Assignee

• Voith Turbo GmbH & Co. KG · DE

Inventors

• Klaus Vogelsang · Crailsheim, DE
• Peter Rose · Heidenheim, DE
• Helmut Ott · Stuttgart, DE
• Peter Heilinger · Crailsheim, DE

Key dates

• Filing date: Apr 24, 1997
• Grant date: Apr 28, 1998
• Expiry date: Apr 24, 2017

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B60T1/087
• WIPO field: Transport
• WIPO sector: Mechanical engineering

Abstract

A drive unit includes a hydrodynamic retarder having a rotor paddle wheel, a stator paddle wheel, and a housing surrounding the rotor and stator wheels. The unit has a coolant cycle system, through which a coolant flows, the coolant also being a working medium of the retarder. The drive unit further includes a working medium container for the coolant and a pipe having a valve. The pipe is disposed between the retarder and the working medium container. The unit also has a coolant feed line to the retarder.