Clutch plate for automatic transmissions
US5788035A · kind A · utility
Inventor
Key dates
| Filing date | Nov 25, 1996 |
| Grant date | Aug 4, 1998 |
| Priority date | — |
| Expiry date | Nov 25, 2016 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16D13/648
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
The multiplate clutch for an automatic transmission includes a composite separator plate that reduces chatter and the frequency of vibrations transmitted through the separator plate. The separator plate includes a first rigid steel member, a second rigid steel member, and a layer of a viscoelastic material bonded between the two rigid members. The separator plate has projections extending from the first and second rigid members and the viscoelastic layer to engage a rotating drum or a splined shaft. Each of the rigid members has a thickness of between 0.010 to 0.090 inches, and the viscoelastic layer has a thickness of between 0.001 to 0.005 inches.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.