| 摘要 |
<p>The invention relates to a device for producing and providing a vacuum for a vacuum consumer, having a vacuum source, having a suction valve, having a non-return valve arranged between the vacuum consumer and the suction valve, and having a ventilation valve, the control inlet of which ventilation valve is connected to the suction port of the vacuum source, the output of which ventilation valve opens out between the control valve and the non-return valve, and the input of which ventilation valve is open to the environment.</p> |
