Clutch fault detection
US7421326B2 · kind B2 · utility
10Cited by
8References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 13, 2004 |
| Grant date | Sep 2, 2008 |
| Priority date | — |
| Expiry date | Sep 12, 2026 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16H2061/1276
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A method for detecting a clutch fault of an automatic transmission includes determining a current clutch energy density of a clutch during a range shift and comparing the current clutch energy density to a first energy density threshold. A diagnostic alert is activated if the current clutch energy density exceeds the first energy density threshold.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.