Method and apparatus for operating a continuously variable transmission in the torque limited region near zero output speed
US6424902B1 · kind B1 · utility
30Cited by
11References
20Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 30, 2000 |
| Grant date | Jul 23, 2002 |
| Priority date | — |
| Expiry date | Oct 30, 2020 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16H2200/201
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
An apparatus for controlling a continuously variable transmission includes an input shaft driven by an engine, an output shaft, an operator input for generating speed commands and a controller operable to receive the speed commands and generate transmission ratio commands which control a ratio of a speed of the output shaft to a speed of the input shaft. Torque of the output shaft is limited in a torque limited region near zero speed of the output shaft and the transmission ratio command is modified in the torque limited region.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.