Filter with a replaceable filter insert
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United States of America Patent
Stats
-
Jun 2, 2015
Grant Date -
Dec 18, 2014
app pub date -
Oct 31, 2011
filing date -
Nov 4, 2010
priority date (Note) -
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status (Latency Note)
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Abstract
A fluid filter with a housing, a releasable cover, and a replaceable filter having a filter body and two end discs. The filter is plugged onto a housing pipe and a locking ring is guided on the pipe, preloaded in a push-out direction. The locking ring is locked in a pushed-out position by a locking device. An unlocking device guided by the filter unlocks the locking device when the filter is pushed onto the pipe and enables the locking ring and the filter to be pushed in. When the filter is fitted into the housing, a seal on the end disc or locking ring interacts with a housing sealing surface to separate an untreated filter side from a clean side. When the locking ring is in the pushed-out position and the filter bears against the locking ring, the seal is held away from the sealing surface of the housing.
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