| 摘要 |
<p>The present invention comprises: a discharging hole to discharge an operational fluid to a valve block connected to a cylinder block in the cylinder block to rotate the cylinder block; the cylinder block; a main body located between the cylinder block and the valve block; and a discharging notch unit formed in the main body to be connected to the discharging hole. The discharging notch unit in the valve plate comprises: a first discharging slope member to move an operational fluid; and a second discharging slope member formed between the first discharging slope member and the discharging hole to have a smaller slope angel than the slope angle of the first discharging slope member. According to the present invention, noise and vibration occurring when a hydraulic piston motor operates can be reduced by preventing an excessive amount of operational fluid from flowing between the cylinder block and the valve block at one time.</p> |
