Electro-mechanical transmission control system
US7867135B2 · kind B2 · utility
5Cited by
5References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 26, 2007 |
| Grant date | Jan 11, 2011 |
| Priority date | — |
| Expiry date | Apr 26, 2029 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S477/907
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A system for robust fault detection in an electrically variable, hydraulically controlled transmission includes independently monitoring hydraulic pressure within a hydraulic control circuit and electric machine rotation for detecting clutch state faults.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.