Work vehicle and method of controlling the same
US9574659B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 12, 2013 |
| Grant date | Feb 21, 2017 |
| Priority date | — |
| Expiry date | May 6, 2034 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16H2306/20
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A work vehicle including a transmission that transmits power of an engine to wheels at a plurality of different transmission gear ratios, the work vehicle traveling while maintaining a targeted speed by controlling a degree of opening of an accelerator, brakes, and the transmission, wherein the work vehicle includes a controller which inhibits change in the transmission gear ratio of the transmission when the transmission shifts up before lapse of a first predetermined time after the transmission shifts down while the vehicle is running downhill and then before a second predetermined time elapses, the transmission shifts down while the vehicle is running downhill.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.