| 摘要 |
The hydraulic drive machine includes an unlocking piston (13) mounted in a piston housing (14) flanged on the outer casing of the machine, and with it is constructed an unlocking working cylinder. In the left hand section (2) of the split outer casing a control system is located for the pressure-dependent control of the unlocking piston and pressurizing of the hydraulic rotor (3), and consisting in the main of a cone control slide, cone valve, sealing control slide and a check valve.
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