Hybrid propulsion system comprising shiftable clutches provided for a motor vehicle

US6705416B1 · kind B1 · utility

Assignee

• ZF Friedrichshafen KG · DE

Inventors

• Hans Glonner · Brackenheim, DE
• Bernhard Sich · Friedrichshafen, DE
• Gerhard Gumpoltsberger · Friedrichshafen, DE
• Hans-Jorg Domian · Markdorf, DE
• Ralf Dreibholz · Meckenbeuren, DE
• Markus Kaindl · Neubiberg, DE
• Jörg Michael · Ingolstadt, DE

Key dates

• Filing date: Oct 17, 2001
• Grant date: Mar 16, 2004
• Expiry date: Oct 17, 2021

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10S903/946
• WIPO field: Transport
• WIPO sector: Mechanical engineering

Abstract

A hybrid drive for a motor vehicle which possesses, in a gear train (1), a first electrical machine (4) located between an internal combustion motor (2) and a multi-gear vehicle transmission (3). The hybrid drive further possesses a second electrical machine (6) permanently connected with an input shaft (5) of the transmission. First and second clutches (7, 8), respectively, are placed between the first and second electrical machines (4, 6) and the internal combustion motor (2) and the first and second electrical machines (4, 6) can be respectively driven as either a motor or a generator.