| 发明名称 | Work vehicle and method of controlling the same | ||
| 摘要 | 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. | ||
| 申请公布号 | US9574659(B2) | 申请公布日期 | 2017.02.21 |
| 申请号 | US201314238912 | 申请日期 | 2013.07.12 |
| 申请人 | Komatsu Ltd. | 发明人 | Kondou Shinya;Kou Ryuuen |
| 分类号 | F16H61/16;F16H61/10;F16H61/18;F16H61/21;E02F9/20 | 主分类号 | F16H61/16 |
| 代理机构 | Locke Lord LLP | 代理人 | Locke Lord LLP |
| 主权项 | 1. 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. | ||
| 地址 | Tokyo JP | ||