| 摘要 |
Radial support of a rotary element 5 of an impeller plate of a pump or hydraulic motor with a cylinder block 9 revolving in a body with assembled elements 2, 3, 4, characterised in that the rotary element 5 of the impeller plate bears radially on a set of needle rollers 10 mounted rotationally on pins 11 rigidly connected to an element 4 of the pump or motor body. <IMAGE>
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