Gear train of automatic transmission for vehicles
US8152681B2 · kind B2 · utility
83Cited by
7References
8Claims
0Family size
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Key dates
| Filing date | May 6, 2009 |
| Grant date | Apr 10, 2012 |
| Priority date | — |
| Expiry date | Jun 3, 2030 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16H2200/2097
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A gear train of an automatic transmission for vehicles has the advantages of improving power delivery performance and reducing fuel consumption as a consequence of realizing more than eight forward speeds by combining four planetary gear sets with three clutches and three brakes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.