Liquid purification or separation – Plural distinct separators – Filters
Patent
1998-06-19
2000-10-31
Walker, W. L.
Liquid purification or separation
Plural distinct separators
Filters
210239, 2103232, 210335, 2104331, 210444, 210232, 137545, B01D 2950
Patent
active
061397415
ABSTRACT:
A filter system (50) includes first and second filter heads each including a housing receptacle and a filter receptacle. The second filter head (10) includes an inlet (42) providing fluid communication to the housing receptacle; an unfiltered-fluid outlet (44) connected to the inlet of the first filter head (9) via an unfiltered-fluid line (64); and a filtered-fluid outlet (46) providing fluid communication to the filter receptacle and connected to the filtered-fluid opening (32) of the first head via a filter-fluid line (62). A filtered-fluid outlet (47) is provided in the first head for filtered fluid to leave the system. A plug (34) is also included to prevent fluid communication between the filtered- and unfiltered-fluid outlets within the bore (24) of the second filter head.
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Cecil Terry K.
Cuno Incorporated
Jakobsen James W.
Walker W. L.
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