Multi-speed planetary transmission
US12140209B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 6, 2023 |
| Grant date | Nov 12, 2024 |
| Priority date | — |
| Expiry date | Sep 6, 2043 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16H2200/2051
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A multi-speed transmission including a plurality of planetary gearsets and a plurality of selective couplers to achieve at least nine forward speed ratios and at least nine reverse speed ratios is disclosed. The plurality of planetary gearsets may include a first planetary gearset, a second planetary gearset, a third planetary gearset, a fourth planetary gearset, and a fifth planetary gearset. The plurality of selective couplers may include a number of clutches and a number of brakes. The multi-speed transmission may have five planetary gearsets and eight selective couplers. The eighth selective couplers may include three clutches and five brakes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.