| 摘要 |
2073000 9107596 PCTABS00005 The present patent application refers to a device for the improvement of the running conditions in a hydraulic installation or in so-called hydraulic system. The device contains a central circulating circuit separated from the influence of the atmosphere. To the circulating circuit are connected an outlet and an inlet for the connection of the hydraulic fluid to the other parts of the hydraulic system. The mentioned circulating circuit is divided into at least two chambers separated by pressure generating respectively pressure reducing units (3, 4, 5). The first chamber (1) is to a certain extent an expansion room for the hydraulic fluid in the system which is separated from the atmosphere and it forms a low-pressure part in the circuit. The second chamber (2) forms a high-pressure part which directly or indirectly is connected to the said outlet. The circulating circuit holds medium (4, 13) for the cooling and filtering of the hydraulic fluid.
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