| 摘要 |
The invention relates to a filter device having a filter housing part ( 10 ) which comprises a filter element ( 12 ) and which can be detachably connected to the other filter housing part ( 20 ). Because there is a valve means ( 24 ) which clears a fluid path in the interconnected state of the housing parts ( 10, 20 ) and in the separated state of the housing parts ( 10, 20 ) from one another at least partially blocks it, instead of known quarter-turn fastener and stopper solutions a blocking means is devised which can be economically implemented and which requires decidedly less installation space. The invention relates also to a process for operation of a filter device.
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