Automatic transmission with neutral coast down feature
US7597650B2 · kind B2 · utility
4Cited by
12References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 22, 2006 |
| Grant date | Oct 6, 2009 |
| Priority date | — |
| Expiry date | Feb 20, 2027 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/60
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A system for controlling the engagement and disengagement of one or more clutches that are adapted to operatively connect an engine and an automatic transmission includes a control device for determining if a negative torque condition exists and for providing an output or signal to decrease the rotational speed of the engine in response to the determination of the existence of the negative torque condition.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.