Patent · US Active

Drivetrain, hybrid vehicle, and operating methods therefor

US8122991B2 · kind B2 · utility

3Cited by

5References

5Claims

0Family size

Assignee

Dr. Ing. h.c. F. Porsche AG · DE

Inventor

Martin Roth · Taufkirchen, DE

Key dates

Filing date	Jul 18, 2008
Grant date	Feb 28, 2012
Priority date	—
Expiry date	Jun 26, 2029

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02T10/7072
WIPO fieldTransport
WIPO sectorMechanical engineering

Abstract

A drivetrain for a hybrid vehicle includes an internal combustion engine, a transmission and electric machine, and an electrical energy store. The electric machine is usable as a generator for charging the electrical energy store and/or as a motor while discharging the electrical energy store. The electrical energy store is implemented as a flywheel mass accumulator having an assigned second electric machine. The flywheel mass accumulator is able to be mechanically coupled to the internal combustion engine via a separate clutch, and thus also is mechanically chargeable and dischargeable.

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