Multiple speed transmission with a pump assisted launch device
US8808135B2 · kind B2 · utility
37Cited by
9References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 12, 2012 |
| Grant date | Aug 19, 2014 |
| Priority date | — |
| Expiry date | Aug 18, 2032 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16H2200/2046
- 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. The transmission input member is connected to a launch device that includes a planetary gear set connected with a pump or a pump having a rotatable housing connected to an engine and a rotor connected to the transmission input member. Each of the planetary gear sets includes first, second and third members. The torque transmitting devices are for example clutches and brakes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.