公开(公告)号：WO2022268361A1

公开(公告)日：2022-12-29

申请号：PCT/EP2022/025281

申请日：2022-06-17

Applicant: CATERPILLAR SARL

Inventor： STRASHNY, Igor ,  MORENCY, Christopher ,  HAMILLA, Andrew

IPC: E02F9/22 ,  F15B11/17 ,  E02F9/2228 ,  E02F9/2246 ,  E02F9/225 ,  E02F9/2289 ,  E02F9/2292

Abstract: The present disclosure is generally directed towards a machine (10) requiring separate control of a swing function, travel function and implements. The machine (10) comprises a swing-travel hydraulic system (30) for controlling swing and travel motor arrangements (70, 80) in closed loop circuits with a swing-travel pump arrangement (90). The machine (10) may further comprise a separate implement hydraulic system (40) operating an implement motor arrangement (41) in an open loop circuit.