Filter device, particularly reflux vacuum filter, and filter element for such a filter device
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United States of America Patent
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Jul 9, 2013
Grant Date -
Oct 14, 2010
app pub date -
Nov 4, 2008
filing date -
Nov 22, 2007
priority date (Note) -
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status (Latency Note)
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Abstract
A filter device, in particular a reflux vacuum filter, has at least one filter housing (7) in which at least one filter element (3) can be accommodated. The filter element defines a longitudinal axis (25), and has at least two valve units in the form of a bypass valve (V2) and of a pre-pressurizing valve (V1). The valve units are arranged concentric to and along the longitudinal axis (25) of each filter element (3).
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