Lockup clutch assembly
US7322453B2 · kind B2 · utility
2Cited by
1References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 14, 2005 |
| Grant date | Jan 29, 2008 |
| Priority date | — |
| Expiry date | Aug 17, 2026 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16H2045/0294
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
In a lockup clutch assembly for use in a torque converter, a friction lining attached to one of a clutch piston and a front cover of the torque converter is divided into an outer-circumference-side friction lining and an inner-circumference-side friction lining. The outer-circumference-side friction lining contains as a filler diatomaceous earth in a higher proportion than the inner-circumference-side friction lining.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.