Patent · US Expired

Hybrid drive for vehicles and the like

US6251037A · kind A · utility

45Cited by

3References

16Claims

0Family size

Assignee

Daimlerchrysler AG · US

Inventors

Walter Baumgaertner · Fellbach, DE
Klaus Meier · Geislingen an der Steige, DE
Alfons Rennefeld · Stuttgart, DE
Jakob Seiler · Stuttgart, DE

Key dates

Filing date	Sep 13, 1999
Grant date	Jun 26, 2001
Priority date	—
Expiry date	Sep 13, 2019

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10S903/951
WIPO fieldTransport
WIPO sectorMechanical engineering

Abstract

A hybrid drive, in particular for vehicles has a variable-ratio gear unit with a branch which can be driven by a primary motor. The gear unit is also connected in a rotationally rigid manner to a rotatable part of a first electric machine. A branch of the gear unit is connected in a rotationally rigid manner to a rotatable rotor of a second electric machine. Another branch connected in a rotationally rigid manner to an output shaft and to which the likewise rotatably arranged other machine component of the first electric machine is connected in a rotationally rigid manner. The rotor of the second machine can be fixed or released for rotation by a brake.

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