Automatic transmission
US9068631B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 31, 2012 |
| Grant date | Jun 30, 2015 |
| Priority date | — |
| Expiry date | Mar 19, 2033 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16H2200/2043
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
An automatic transmission includes: a Ravigneaux planetary gear set; first to fifth friction engagement elements; the first friction engagement element, the second friction engagement element, and the fifth friction engagement element being disposed on a front side which is nearer to the driving source than the output member, the third friction engagement element and the fourth friction engagement element being disposed on a rear side which is farther from the driving source than the output member, and a first drum member that includes an inner circumference on which the second friction engagement element is disposed, and an outer circumference on which the fifth friction engagement element is disposed, and that is connected with a front carrier plate located at a front end portion of the common carrier.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.