| 摘要 |
<p>The device has a cylinder (1) with a piston (2), and a piston rod (3), a cover-side cylinder side (4) and a crank-sided cylinder side (5), where suction side of the cover-side cylinder side is connected with the crank-sided cylinder side by a connection line (6). A suction line (7) at the suction side and a pressure line (8) at the pressure side of the cover-side cylinder side, are connected respectively. A valve is arranged in the connection line, and another valve is arranged in the suction line.</p> |
