Patent · US Active

Method and device for operating a vehicle having a hybrid drive

US8712657B2 · kind B2 · utility

0Cited by

9References

8Claims

0Family size

Assignee

Robert Bosch GmbH · DE

Inventors

Peter Khatchikian · Cottbus - Chóśebuz, DE
Manfred Hellmann · Hardthof, DE
Felix Reber · Ludwigsburg, DE
Mykhaylo Klymenko · Gerlingen, DE

Key dates

Filing date	Mar 24, 2009
Grant date	Apr 29, 2014
Priority date	—
Expiry date	Oct 15, 2030

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02T10/64
WIPO fieldTransport
WIPO sectorMechanical engineering

Abstract

A method and a device for operating a vehicle having a hybrid drive are described, in which a first drive unit and a second drive unit contribute jointly or individually to the drive of the vehicle, the first drive unit driving the second drive unit in the manner of a generator for charging an energy storage device, the first drive unit and the second drive unit being separable by a drive train element transferring a torque of the first drive unit. In a method in which it is ensured that the vehicle may continue to drive safely even in the event of a defect in a drive train element between the first drive unit and the second drive unit, the torque portion used for charging the energy storage device is reduced to a minimum torque, while the torque excess, which is reduced in the event of a defect in the drive train element but still exceeds the minimum torque, is utilized to propel the vehicle.

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