Hybrid transmission with integrated torque machine

US8287411B2 · kind B2 · utility

Assignee

• GM GLOBAL TECHNOLOGY OPERATIONS LLC · US

Inventors

• Chunhao J. Lee · Troy, US
• Farzad Samie · Franklin, US
• Norman K. Bucknor · Troy, US
• Kumaraswamy V. Hebbale · Troy, US
• Anthony L. Smith · Troy, US

Key dates

• Filing date: Mar 16, 2009
• Grant date: Oct 16, 2012
• Expiry date: Mar 2, 2031

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y02T10/62
• WIPO field: Transport
• WIPO sector: Mechanical engineering

Abstract

A hybrid transmission device for a hybrid powertrain system having an integrated torque machine to transfer power among an input member, the torque machine and an output member in one of a plurality of fixed gear and continuously variable states is operative in a plurality of fixed gear states, a continuously variable state, and a torque machine state.