Torque-transmitting mechanism having a compact piston and spring assembly
US8256600B2 · kind B2 · utility
2Cited by
5References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 7, 2009 |
| Grant date | Sep 4, 2012 |
| Priority date | — |
| Expiry date | Jan 5, 2031 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16D25/12
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A transmission includes an input member, an output member, four planetary gear sets, a plurality of coupling members and a plurality of torque-transmitting devices. 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.