Planetary gear train of automatic transmission for vehicle
US10465778B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Nov 21, 2017 |
| Grant date | Nov 5, 2019 |
| Priority date | — |
| Expiry date | Jan 26, 2038 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16H2200/2046
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A planetary gear train of an automatic transmission for a vehicle may include: an input shaft receiving torque of an engine; an output shaft outputting torque; a direction changer disposed on an input shaft side and transmitting the torque of the engine to the input shaft with or without change of rotation direction, or disposed on an output shaft side and outputting the torque of the output shaft with or without change of rotation direction; a first planetary gear set including first, second and third rotation elements; a compound planetary gear set including fourth, fifth, sixth, and seventh rotation elements by combining second and third planetary gear sets; a fourth planetary gear set including eighth, ninth, and tenth rotation elements.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.