Patent · US Active

Propulsion device for automobile with portal axle comprising an electrical machine

US8640801B2 · kind B2 · utility

48Cited by

50References

12Claims

0Family size

Assignee

Dr. Ing. h.c. F. Porsche AG · DE

Inventors

Stephan Hennings · Leonberg, DE
Daniel Armbruster · Weil der Stadt, DE
Jochen Schmid · Welzheim, DE

Key dates

Filing date	May 21, 2010
Grant date	Feb 4, 2014
Priority date	—
Expiry date	May 21, 2030

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02T10/72
WIPO fieldTransport
WIPO sectorMechanical engineering

Abstract

A drive apparatus (1) for a motor vehicle has a hollow portal axle (2) that accommodates two electrical machines (4). Wheels (12) are mounted rotatably at opposite ends of the portal axle (2) and can be driven by the electrical machine (4) associated with the respective wheel. A step-down gear mechanism (8, 9) is arranged between each electrical machine (4) and the respective wheel (12) and a separate connection from the respective wheel to the step-down gear mechanism, permits the wheel to be mounted in a non-rigid manner. The respective step-down gear mechanism (8, 9) is connected to the respective wheel (12) by a cardan shaft (10).

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