Torsional vibration damper
US7481132B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 10, 2002 |
| Grant date | Jan 27, 2009 |
| Priority date | — |
| Expiry date | Aug 13, 2024 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T74/213
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A torsional vibration damper with at least two parts that are rotatable about an axis and can turn relative to each other against the opposition of at least one coil spring. Support shoes are provided between the spring and an outer wall of the damper structure and are arranged to slide along the outer wall with the spring as it undergoes compression and relaxation. The support shoes include roller bodies to reduce sliding friction between the support shoes and the outer wall.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.