Patent · US Active

Method for operating a hybrid drive

US9174625B2 · kind B2 · utility

5Cited by

5References

6Claims

0Family size

Assignee

Dr. Ing. h.c. F. Porsche AG · DE

Inventors

Daniel Baum · Menlo Park, US
Thomas Rauner · Blaubeuren, DE

Key dates

Filing date	Sep 28, 2009
Grant date	Nov 3, 2015
Priority date	—
Expiry date	Feb 12, 2030

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02T10/62
WIPO fieldTransport
WIPO sectorMechanical engineering

Abstract

To improve the purification action of a catalytic converter that is being heated but has not yet reached a desired operating temperature, the internal combustion engine is driven by an electric machine to convey a flow of heating medium through a catalytic converter for heating purposes before the internal combustion engine is started.

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