公开(公告)号：EP3693215A1

公开(公告)日：2020-08-12

申请号：EP19212318.0

申请日：2019-11-28

申请人： Kubota Corporation

发明人： NAKAJI, Masaru ,  TSUCHIYA, Takeshi

IPC分类号： B60P1/16 ,  B60P1/04 ,  B62D5/07

摘要： A work vehicle includes a bypass passage (35) formed in an operational valve (20) of a dump cylinder (9) and configured to feed pressure oil from a hydraulic pump (14) to a power steering device (10) when the operational valve (20) is under a neutral state and an oil feeding passage (36) equipped with an orifice, the orifice-equipped oil feeding passage (36) being configured to feed the pressure oil from the hydraulic pump (14) to a rod side oil chamber (9a) of the dump cylinder (9) when the operational valve (20) is under the neutral state.