System and method for controlling vehicle components during a power downshift
US9803704B1 · kind B1 · utility
0Cited by
8References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 30, 2016 |
| Grant date | Oct 31, 2017 |
| Priority date | — |
| Expiry date | Aug 30, 2036 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16D2500/7044
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A transmission for a vehicle having a prime mover with an output shaft. The transmission includes an offgoing clutch that is selectively connected to the output shaft, and a controller in communication with the prime mover. The controller includes an offgoing clutch control module that determines an offgoing clutch torque profile at the start of a torque phase in a power downshift that does not exceed a predetermined offgoing clutch energy threshold and a torque request module that limits a rate of input torque into the transmission from the prime mover based upon the determined offgoing clutch torque profile.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.