| 摘要 |
A control plate (7) for a hydraulic piston engine is disclosed, which has a cylinder body rotatable relative to the control plate, the control plate having at least two control kidneys (11, 12) which on rotation of the cylinder body lie in the path of movement of an opening of a cylinder in the cylinder body. Using such a control plate, it is should be possible to operate a machine even with poorly lubricating hydraulic fluid, which will nevertheless achieve an acceptable volumetric efficiency. For that purpose, the control kidneys (11, 12) are formed in at least one insert (15) of plastics material which is secured in a carrier body (13, 14). <IMAGE>
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