Patent · US Active

Automatic transmission gear and clutch arrangement

US8628442B2 · kind B2 · utility

1Cited by
4References
26Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 28, 2012
Grant dateJan 14, 2014
Priority date
Expiry dateAug 28, 2032

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF16H2200/2043
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical 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. Further, a hydraulic fluid control circuit is provided for controlling the operation of the plurality of torque-transmitting devices. The hydraulic fluid control circuit receives pressurized hydraulic fluid from an off-axis hydraulic fluid pump and has a plurality of fluid passages disposed in the transmission house, input member and other coupling members.

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