Automatic transmission
US5069657A · kind A · utility
Assignees
Inventors
Key dates
| Filing date | May 3, 1990 |
| Grant date | Dec 3, 1991 |
| Priority date | — |
| Expiry date | May 3, 2010 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16H57/08
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
An automatic transmission comprising a torque converter and a change speed transmission having a plurality of planetary gearsets and friction elements is provided with an input shaft supported by a transmission case. On the input shaft is mounted a small-diameter first drum. In the first drum are mounted a first clutch having a clutch piston, friction plates, separate plates and a clutch hub. On the input shaft is further mounted a large diameter second drum, in which are disposed a second clutch having a clutch piston, friction plates, separate plates and a clutch hub. The friction plates and separate plates in the second drum are disposed radially outside on top of the friction plates and separate plates in the first drum.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.