Liquid purification or separation – Plural distinct separators – Filters
Patent
1993-12-20
1996-01-09
Dawson, Robert A.
Liquid purification or separation
Plural distinct separators
Filters
210325, 210328, 210329, 210361, 422101, G01N 3502
Patent
active
054826268
ABSTRACT:
A liquid sample filtration apparatus includes: a) a module retaining filter elements; b) a filter clamping and fluid injection apparatus positioned relative to the module to engage a filter element thereon, and includes a pair of first and second opposing engageable members to sealing engage a filter element therebetween; c) an inlet tube connected to an opposing engageable member; d) an outlet tube connected to an opposing engageable member; e) a motor to move the module relative to the filter clamping and injection apparatus to register filter elements on the module to the clamping and injection apparatus; and f) a motor associated with the filter clamping and injection apparatus to move the opposing engageable members into substantial sealing fluid communication relative to a filter element on the module. An apparatus for engaging opposing ends of a filter element includes: a) a member having a recess configured to engage one end of a filter element, including a first fluid passage communicating with the recess to pass fluid between the recess and externally of the member; and b) a second member positioned in opposing juxtaposition relative to the other member, and having a projection sized and shaped to matingly fit within the other member recess, the second member projection including a second recess configured to engage the other end of the filter element, the second member including a second fluid passage communicating with the second recess to pass fluid between the second recess and externally of the second member.
REFERENCES:
BenchMate Workstations, "IMAGINE: HPLC Without Manual Sample Preparation" brochure, Zymark, 1990.
"Environmental Lab Automation", Zymark brochure, 1991.
BenchMate Workstations, "Personal Automation for Sample Preparation and Auto-Sampling" brochure, Zymark, 1991.
Clark Michael L.
Klingler Kerry M.
Lohnes Brent C.
Turner Terry D.
Dawson Robert A.
Lockheed Idaho Technologies Company
Reifsnyder David
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