Patent · US Active

Method and apparatus to control warm-up of an exhaust aftertreatment system for a hybrid powertrain

US8073610B2 · kind B2 · utility

41Cited by

3References

19Claims

0Family size

Assignees

GM GLOBAL TECHNOLOGY OPERATIONS LLC · US
Daimler AG · DE
Chrysler Group LLC · US
Bayerische Motoren Werke Aktiengesellschaft · DE

Inventors

Anthony H. Heap · Ann Arbor, US
John L. Lahti · Novi, US

Key dates

Filing date	Sep 19, 2008
Grant date	Dec 6, 2011
Priority date	—
Expiry date	Sep 8, 2030

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02T10/84
WIPO fieldTransport
WIPO sectorMechanical engineering

Abstract

An internal combustion engine is controlled to achieve a preferred temperature of the exhaust aftertreatment system and to minimize a total engine energy loss. A transmission is controlled to achieve a torque output based upon the preferred engine operation.

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