Synchronizer apparatus for transmission
US10989255B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | May 31, 2019 |
| Grant date | Apr 27, 2021 |
| Priority date | — |
| Expiry date | Jul 24, 2039 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16H2063/3093
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A synchronizer apparatus for a transmission includes: first and second shifting gears rotatable on an output shaft; a hub spline-coupled with the output shaft and having a slope portion having slanted surfaces; a sleeve spline-coupled with the hub; a key coupled with a recess of a slope portion; first and second clutch gears disposed between the hub and shifting gears; first and second outer rings and first and second inner rings disposed between the hub and clutch gears; first and second synchronizer cones disposed between the first inner and outer rings and the second inner and outer rings; a poppet ball unit disposed at the sleeve and contacting the key through a poppet ball; first and second push blocks disposed at the slanted surfaces; and first and second push springs inserted in spring holes formed at the push blocks to force push blocks to the slanted surfaces.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.