Apparatus and method for operating a clutch in a transmission
US9206898B2 · kind B2 · utility
2Cited by
14References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 11, 2011 |
| Grant date | Dec 8, 2015 |
| Priority date | — |
| Expiry date | Mar 19, 2032 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16H2061/1208
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A method to control a clutch in a transmission includes monitoring a frequency response of the clutch including monitoring a response repeating one time per revolution of the clutch a response repeating more than one time per revolution of the clutch. A ratio of the response repeating more than one time per revolution of the clutch to the response repeating one time per revolution of the clutch is determined and compared to a first threshold ratio. A likely shudder condition is indicated based upon the comparing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.