Patent · US Active

Multi-speed transmission with a series disconnect clutch

US8939863B2 · kind B2 · utility

88Cited by
3References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 1, 2013
Grant dateJan 27, 2015
Priority date
Expiry dateMar 1, 2033

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF16H2200/2048
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

A transmission is provided having an input member, an output member, a plurality of planetary gear sets, a plurality of coupling members and a plurality of torque transmitting devices. One of the plurality of torque transmitting devices is an integrated friction launch clutch. A disconnect clutch is in series relationship with the launch clutch and is configured to disconnect the launch clutch from at least one of the plurality of planetary gear sets. The torque transmitting devices include clutches and brakes actuatable in combinations of two to establish at least ten forward gear ratios and one reverse gear ratio.

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