Multi-speed transmission

US9080650B2 · kind B2 · utility

Assignee

• GM GLOBAL TECHNOLOGY OPERATIONS LLC · US

Inventors

• Kent H. Kienzle · Ann Arbor, US
• Dan Coffey · Howell, US
• David M. Zini · Novi, US
• John A. Diemer · Farmington Hills, US
• Pete R. Garcia · Troy, US
• Tejinder Singh · Canton, US
• Boris Burgman · Oak Park, US

Key dates

• Filing date: Aug 15, 2013
• Grant date: Jul 14, 2015
• Expiry date: Aug 15, 2033

Classification

• Technology area (CPC F): Mechanical Engineering; Lighting; Heating
• CPC primary: F16H2200/2082
• WIPO field: Mechanical elements
• WIPO sector: Mechanical engineering

Abstract

A transmission is provided having an input member, an output member, four planetary gear sets, a plurality of coupling members and a plurality of torque transmitting devices. The torque transmitting devices include clutches and brakes including a selectable one-way clutch actuatable in combinations of two to establish a plurality of forward gear ratios and one reverse gear ratio.