Planetary gear train of automatic transmission for vehicle
US9822853B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 21, 2016 |
| Grant date | Nov 21, 2017 |
| Priority date | — |
| Expiry date | Jun 21, 2036 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16H2200/2097
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A planetary gear train of claim of an automatic transmission for a vehicle may include an input shaft, an output shaft, a first planetary gear set, a second planetary gear set, a third planetary gear set, a fourth planetary gear set, six control elements for selectively interconnecting rotation elements of the planetary gear sets and a transmission housing, a first connecting member directly connected to the transmission housing, a second connecting member selectively connected to the transmission housing, a third connecting member, a fourth connecting member selectively connected to the input shaft, a fifth connecting member directly connected to the input shaft, and selectively connected to the third connecting member, a sixth connecting member selectively connected to the transmission housing, a seventh connecting selectively connected the fifth connecting member, and selectively connected to the transmission housing, and an eighth connecting member directly connected to the output shaft.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.