| 摘要 |
FIELD: engines and pumps. ^ SUBSTANCE: air removal device (1) includes connecting tube (8) connecting the main tube (5A) of hydraulic system (1A) to auxiliary tube (6), valve (9) installed on the above connecting tube (8) and capable of taking up either closed, or open position, and control devices (10) for valve (9) control. ^ EFFECT: improving operating reliability of hydraulic system. ^ 12 cl, 2 dwg |
