Torsion damper and clutch disk
US12234878B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 30, 2020 |
| Grant date | Feb 25, 2025 |
| Priority date | — |
| Expiry date | Feb 23, 2042 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16F15/123
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A torsion damper for a vehicle powertrain includes a first element having a support element and a second element movable in rotation with respect to the first element about an axis of rotation X. Springs are mounted between the first element and the second element so as to compress to allow relative rotation about the X axis between the first element and the second element. A friction device including a friction washer provided with at least one fixing portion rigidly fixed in rotation on a support element of the first element, the friction washer having a friction portion having a friction track backed against a dorsal face of the friction portion. An elastic washer arranged axially between the first element and the dorsal face of the friction portion, each fixing portion for fixing to the first element being connected to the friction portion by a flexible element allowing axial displacement of the dorsal face of the friction portion relative to the support element of the first element.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.