Shift by wire shifting device for an automatic transmission of a motor vehicle
US6662924B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 5, 2001 |
| Grant date | Dec 16, 2003 |
| Priority date | — |
| Expiry date | Dec 14, 2021 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T74/20666
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A shifting device for a powerless or non mechanical transmission of shift commands to an automatic transmission of a motor vehicle includes a shift gate, a gearshift lever mounted pivotably with respect to the shift gate, a detection device for detecting the position of said gearshift lever, and a powerless or non mechanical i.e., by wire) signal transmission device for transmitting shift commands to the automatic transmission. The detection device and/or the transmission device are operated at least partially electrically/electromagnetically. A brake unlocking device is provided for unlocking the parking brake of the automatic transmission. The brake unlocking device includes a mechanical coupling between said gearshift lever and said automatic transmission.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.