Device for the separation of the lighter fraction from the heavi

Details Device for the separation of the lighter fraction from the heavi Device for the separation of the lighter fraction from the heavi

1985-01-25

1989-11-07

Richman, Barry S.

Chemical apparatus and process disinfecting, deodorizing, preser

Control element responsive to a sensed operating condition

422104, 210247, 2103216, 21032184, 2104161, 128760, 128762, 128763, 128764, 604414, G01N 114

Patent

active

048790982

ABSTRACT:
A device for the separation of the lighter fraction from the heavier fraction of a liquid sample for use with two evacuated receptacles includes a housing having an interior cavity and a membrane separator dividing this cavity into a first portion and a second portion. The membrane separator has a porosity selected for the desired separation thereacross. An inlet structure is provided for fluid communication between the first portion of the interior cavity and the source of the liquid sample. First structure is provided to allow fluid communication between the first portion of the interior cavity and the first evacuated receptacle. This first structure is opposed from the inlet structure so that liquid passing from the inlet to the first structure travels in a direction along the surface of the membrane. Further structure is provided to allow fluid communication between the second portion of the interior cavity and the second evacuated receptacle.

REFERENCES:
patent: 2595462 (1952-05-01), Johnson
patent: 3211645 (1962-07-01), Ferrari
patent: 3469572 (1969-09-01), Nehring
patent: 3604410 (1971-09-01), Whitacre
patent: 3705100 (1972-12-01), Blatt et al.
patent: 4057499 (1977-11-01), Buono
patent: 4140108 (1979-02-01), Nugent
patent: 4191182 (1980-03-01), Popovich et al.
patent: 4212742 (1980-07-01), Solomon et al.
patent: 4343705 (1982-08-01), Legg

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