Liquid purification or separation – With repair or assembling means
Patent
1996-11-04
1998-06-23
Walker, W. L.
Liquid purification or separation
With repair or assembling means
210239, 2103232, 210450, 210454, 210455, 210470, 21049701, B01D 2917
Patent
active
057700664
ABSTRACT:
An improved filter assembly is provided using a bag-type vessel shell and a removable adapter assembly that contains multiple filter cartridges. The invention can be used with both double-open-end filter cartridges and single-open-end filter cartridges. In either case, both ends of the filter cartridges are held in place by individual positioning guides, so as to maintain a perpendicular orientation and seal integrity. In all cases, a knife-edge end seal is provided to be forced into the end surfaces of the filter cartridges. In one embodiment, a compression plate is provided with a single coil spring to force the multiple knife-edge end seals against their respective filter cartridges. In a second embodiment, individual floating end seals are provided at the compression plate to provide good seal integrity regardless of variations in length of the individual filter cartridges. In all embodiments, the separator seal and the ambient seal are one and the same assembly, thereby providing a visual indication of seal integrity between the contamination and purified fluids. In all embodiments, a quick-release tie-rod and handle configuration is used to easily assemble and disassemble the adapter assembly during filter cartridge replacement procedures.
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Walker W. L.
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