- 专利标题: AGRICULTURAL OR WORK VEHICLE EQUIPPED WITH A HYDRAULIC LIFT
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申请号: EP22155207.8申请日: 2022-02-04
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公开(公告)号: EP4039072A1公开(公告)日: 2022-08-10
- 发明人: CIARROCCHI, Marco Pietro , PINTORE, Francesco
- 申请人: CNH Industrial Italia S.p.A.
- 申请人地址: IT 10135 Torino Via Plava 80
- 代理机构: CNH Industrial IP Department
- 优先权: IT202100002648 20210205
- 主分类号: A01B59/043
- IPC分类号: A01B59/043 ; F15B11/22
摘要:
Agricultural or work vehicle (VHE) equipped with a hydraulic lift (L), two hydraulic cylinders (Cs, Cd) arranged to lift as many arms (2s, 2d) of the hydraulic lift and a hydraulic circuit (HC) comprising a single and common hydraulic line (Sc) arranged to connect both expansion chambers of the two hydraulic cylinders with a source of hydraulic oil (Pressure) during lifting the lift and with a recovery tank (Tank) during lowering the hydraulic lift, and in to which both expansion chambers are connected with said single and common hydraulic line by means of a shuttle valve (ShV) and an ON/OFF valve (SV) arranged to bypass the shuttle valve during the lifting or lowering procedure of the arms.
公开/授权文献
- EP4039072B1 AGRICULTURAL OR WORK VEHICLE EQUIPPED WITH A HYDRAULIC LIFT 公开/授权日:2023-12-13
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