Patent ID: 6890434

Claim:
A backflushing filter, particularly for the filtration of lubricating oil, comprising filter candles which are open at both end faces and which are disposed around a rotary shaft in the filter housing, the interior space of which filter candles can be acted upon in filtration operation by a sludge which flows into the backflushing filter, and comprising a cleaning device which is moved by means of the rotary shaft and which comprises at least two flushing cocks which communicate with an outflow valve via the rotary shaft for cleaning the filter candles individually or in groups during a backflushing operation, wherein the first flushing cock is associated with one filter candle end face and the other flushing cock is associated with the other filter candle end face, wherein the first flushing cock ( 27 ) is offset by an angle in the direction of rotation in relation to the second flushing cock ( 37 ) and wherein said cleaning device further comprises first and second closure elements ( 28 , 38 ) respectively associated with the first and second flushing cocks ( 27 , 37 ) and moved in conjunction therewith, wherein said cleaning device is configured such that when one of said flushing cocks communicates with an end face of a selective filter candle. the closing element associated therewith closes off the opposite end face of said selected filter candle.