Automatic transmission gear and clutch arrangement
US8500588B2 · kind B2 · utility
2Cited by
6References
37Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 14, 2011 |
| Grant date | Aug 6, 2013 |
| Priority date | — |
| Expiry date | Jan 30, 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 a hydraulic fluid pump and has a plurality of fluid passages disposed in the transmission housing, input member and other coupling members.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.