Liquid purification or separation – With alarm – indicator – register – recorder – signal or... – Transparent
Patent
1988-09-15
1990-03-20
Jones, W. Gary
Liquid purification or separation
With alarm, indicator, register, recorder, signal or...
Transparent
210 94, 210205, 210247, 2102571, 2103216, 210340, 210424, 13762519, 13762547, 366336, 422101, 422102, 422103, B01D 1300, B01F 506
Patent
active
049099337
ABSTRACT:
An apparatus is disclosed for allowing mixing of solutions in low gravity environments so as to carry out crystallization of proteins and other small molecules or other chemical syntheses, under conditions that maximize crystal growth and minimize disruptive turbulent effects. The apparatus is comprised of a housing, a plurality of chambers, and a cylindrical rotatable valve disposed between at least two of the chambers, said valve having an internal passageway so as to allow fluid movement between the chambers by rotation of the valve. In an alternate embodiment of the invention, a valve is provided having an additional internal passageway so that fluid from a third chamber can be mixed with the fluids of the first two chambers. This alternate embodiment of the invention is particularly desirable when it is necessary to provide a termination step to the crystal growth, or if a second synthetic step is required.
REFERENCES:
patent: 290000 (1883-12-01), Detrick
patent: 3610285 (1971-10-01), Passaggio
patent: 3766943 (1973-10-01), Murata
patent: 3858499 (1975-01-01), Scott
patent: 4569236 (1986-02-01), Kitchen et al.
patent: 4602657 (1986-07-01), Anderson, Jr. et al.
Broom Mary B.
Carter Daniel C.
Jones W. Gary
Manning John R.
Seemann Jerry L.
Sheehan William J.
The United States of America as represented by the Administrator
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