Method of controlling a transmission park system of a vehicle equipped with an electronic transmission range select system
US9371909B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 25, 2014 |
| Grant date | Jun 21, 2016 |
| Priority date | — |
| Expiry date | Dec 29, 2034 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16H2061/1284
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A method of controlling a transmission of a vehicle equipped with an electronic transmission range select system includes receiving an electronic request to actuate a transmission park system. A speed of the vehicle is sensed with each of a plurality of different speed sensors to define a plurality of different sensed vehicle speeds. Each of the plurality of different speed sensors provides a sensed vehicle speed that is independent and separate from the sensed vehicle speed from all of the other speed sensors. All of the different sensed vehicle speeds from the plurality of speed sensors is compared to each other to determine the lowest sensed vehicle speed. When the lowest sensed vehicle speed is equal to or less than a maximum allowable actuation speed, an electronic signal is sent from the transmission control unit to the transmission park system to actuate the transmission park system.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.