| 摘要 |
<p>The equipment described in this patent enables to provide oil pressure control in a hydraulic system closed to hydro-mechanic gearboxes in order to reach lowering of impact when setting gearbox stages. The equipment used for pressure control has a characteristic feature dealing with that, that in the body (10), there is located a the overflow valve (20) created based on the cylindrical chamber (21) and the shifter (22) with the valve (30), distributor (40) two positions and reduction valve created based on the right chamber (62) with the shifter (61) and regulating piston (70) tommed with the use of the spring (73), while the body (10) is equipped with the input channel (11), it means with the first channel (12) and with the second output channel (13).</p> |
