Liquid purification or separation – Flow – fluid pressure or material level – responsive – Fluid pressure responsive by-pass
Patent
1997-09-12
2000-10-03
Savage, Matthew O.
Liquid purification or separation
Flow, fluid pressure or material level, responsive
Fluid pressure responsive by-pass
310136, 310149, 310168, 310181, 310340, 3104165, 3104931, 13711806, 13711909, B01D 35147
Patent
active
061268186
ABSTRACT:
A filter system, in particular for filtering the lubricant of an internal combustion engine, having at least two filter elements (19, 25) which can be connected successively to the oil circuit and a changeover valve (21) which feeds the oil to be cleaned to one of the filter elements, with the valve (21) being operated by the pressure difference between the clean oil side and the raw oil side of a filter element (19, 25, 26).
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Duerrstein Rolf
Ostertag Robert
Reif Rene
von Esebeck Goetz Frhr.
Weindorf Martin
Filterwerk Mann & Hummel GmbH
Savage Matthew O.
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