Patent · US Active

Hybrid power transmission

US7399246B2 · kind B2 · utility

25Cited by

1References

5Claims

0Family size

Assignee

GM GLOBAL TECHNOLOGY OPERATIONS LLC · US

Inventors

Alan G. Holmes · Clarkston, US
Michael R. Schmidt · Carmel, US

Key dates

Filing date	Apr 12, 2006
Grant date	Jul 15, 2008
Priority date	—
Expiry date	Jan 24, 2027

Classification

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

Abstract

A hybrid powertrain includes a hybrid transmission having an engine input and two motor/generator units, which are interconnected by a planetary gear mechanism and three selectively engageable torque-transmitting mechanisms to establish three modes of transmission operation including an input split mode, a first compound split mode, and a second compound split mode.

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