Self-lubricating composite friction part
US11781594B2 · kind B2 · utility
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13Claims
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Key dates
| Filing date | Dec 31, 2020 |
| Grant date | Oct 10, 2023 |
| Priority date | — |
| Expiry date | Apr 8, 2041 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16C2220/28
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
Disclosed is a self-lubricating composite friction part (1) that can be subjected, during operation, to temperatures that are at least equal to 250° C. The part includes, along the friction surface (2), a single layer of a material consisting of weft and warp yarns made of polytetrafluoroethylene, the material being impregnated with a thermostable resin having a glass transition temperature that is at least equal to 250° C. It is applied to a reinforcing layer (3).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.