Gear change-speed unit for automatic transmission
US6935985B2 · kind B2 · utility
55Cited by
3References
20Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 16, 2003 |
| Grant date | Aug 30, 2005 |
| Priority date | — |
| Expiry date | Jul 16, 2023 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16H2200/2097
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A gear change-speed unit for an automatic transmission includes a reduction planetary-gear set, a single-pinion type planetary-gear set, and a double-sun-gear type planetary-gear set, which are disposed in parallel in this order from the side of an input shaft.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.