Torsional vibration damper and manufacturing method thereof
US11401995B2 · kind B2 · utility
0Cited by
7References
8Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Apr 27, 2020 |
| Grant date | Aug 2, 2022 |
| Priority date | — |
| Expiry date | Nov 28, 2040 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16H2045/0284
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A torsional vibration damper that a torsional vibration damper having a planetary gear unit, and a manufacturing method of the torsional vibration damper for limiting damages on gears of the planetary gear unit due to dimension errors. In the planetary gear unit, at least one of a sun gear, a ring gear, and a set of planetary gears is/are formed by a press forming method. The gear formed by the press forming method is engaged with the remaining gears in such a manner that a thinner portion of each tooth is individually engaged with a thicker portion of the adjacent teeth of the remaining gears.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.