Multi-speed dual clutch transmission

US7870804B2 · kind B2 · utility

Assignee

• GM Global Technologies Operations LLC · US

Inventors

• Per-Gunnar Bjorck · carrer de Sertori, SE
• Mikael Mohlin · Vadstena, SE
• John A. Diemer · Farmington Hills, US
• Patrick S. Portell · Pinckney, US
• Henryk Sowul · Oxford, US

Key dates

• Filing date: Nov 8, 2007
• Grant date: Jan 18, 2011
• Expiry date: Apr 8, 2029

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T74/19233
• WIPO field: Mechanical elements
• WIPO sector: Mechanical engineering

Abstract

A transmission is provided having an input member, an output member, a dual clutch assembly, a plurality of countershafts, a plurality of co-planar gear sets, a plurality of interconnecting members, and a plurality of torque transmitting devices. The torque transmitting devices include synchronizer assemblies.