Friction clutch element
US4565274A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Mar 30, 1983 |
| Grant date | Jan 21, 1986 |
| Priority date | — |
| Expiry date | Mar 30, 2003 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16D69/00
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A friction clutch element is disposed for mounting to a rotatable clutch disc. The element is designed to improve the uniformity in coefficient of friction values over a friction surface area thereof during clutch operation, particularly when such surface is formed of ceramic material. The element includes friction facings having symmetrically disposed radially inner and outer subportions integrally joined by a center subportion of a circumferentially shorter dimension. The facings contain radially disposed, continuously arcuate leading and trailing edges, and in a preferred embodiment, the leading and trailing edge portions of the outer and inner subportions are convex, while those of the center subportion are concave.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.