| 摘要 |
<p>A device for flushing liquid sealing (5, 6) in a rock drilling machine including a ring-shaped elastic sealing device including on the one hand means for making contact in a seat arranged in a flushing housing, on the other hand means for sealing contact with a surface of a movable part (2) in the flushing housing. The device for flushing liquid sealing (5,6) includes an anode device (11,12) having at least one sacrificial anode unit adapted for contact with flushing liquid, and the anode device includes means (16, 16 ', 16", 16" ' ) for establishing electrical contact with the flushing housing. The invention also concerns a method a flushing housing and a rock drilling machine.</p> |
