| 摘要 |
<p>A rotary distributor device for a hydraulic power steering, which receives oil from a pump and sends the oil selectively to a discharge or to an actuator of the steering in a desired direction, comprises an external tubular element of the distributor device, known as a jacket, an internal tubular element, known as a slide, sealedly rotating in the jacket, a series (z) of openings that cross the wall of the jacket, located in front of a series of corresponding openings (7) which cross the wall of the slide, elastic means located between the jacket and the slide for maintaining the openings of the jacket at the openings of the slide, in which each opening in the jacket comprises, in succession starting from the outside, al least a radial hole, a slot lying in a radial plane, arranged symmetrically with respect to the axis of the hole, the width (L) of which is smaller than the diameter ø of the hole, and the depth of which is such as to intersect the hole.</p> |
