Patent · US Active

Drive unit for a hybrid motor vehicle

US7469778B2 · kind B2 · utility

3Cited by

1References

6Claims

0Family size

Assignee

MTU FRIEDRICHSHAFEN GMBH · DE

Inventors

Michael Groddeck · Meckenbeuren, DE
Joachim Huster · Starnberg, DE

Key dates

Filing date	Feb 24, 2006
Grant date	Dec 30, 2008
Priority date	—
Expiry date	Jan 27, 2027

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10S903/946
WIPO fieldTransport
WIPO sectorMechanical engineering

Abstract

In a drive unit for a hybrid motor vehicle for coupling an internal combustion engine and/or a motor-generator to a transmission, wherein an input shaft of the drive unit is connected to the internal combustion engine and the motor-generator is connected to an output shaft of the drive unit and a clutch is arranged between the input shaft and the output shaft, the clutch is normally engaged and means are provided for opening the clutch depending on the speed of the output shaft and also a freewheeling coupling is arranged in the drive unit in parallel with the clutch for connecting the input shaft to the output shaft via the freewheeling coupling.

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