Fluid handling – Self-proportioning or correlating systems – Self-controlled branched flow systems
Patent
1976-03-09
1977-10-18
Cline, William R.
Fluid handling
Self-proportioning or correlating systems
Self-controlled branched flow systems
137861, 137111, 137596, 137599, 137487, 1374875, 91 28, G05D 1100
Patent
active
040541517
ABSTRACT:
A concentrating vortex shaker for the simultaneous shaking and concentration of a multiplicity of liquid samples comprises a heat-conductive block having a plurality of openings for receiving laboratory vessels containing sample liquids and removably mounted on a base provided with an adjustable eccentric drive for displacing the block in a gyrating motion. An airtight cover is removably mounted on the block and forms a chamber above the samples which can be controllably evacuated. The samples can be heated or cooled by a temperature-controlled liquid which is fed through a channel formed in the block or heated by an adjustable electrical heater provided in the block mounting or cooled by a cooling plate, upon which the block mounts.
REFERENCES:
patent: 2146930 (1939-02-01), Bassett et al.
patent: 3055389 (1962-09-01), Brunner
patent: 3308846 (1967-03-01), Yuile
patent: 3556146 (1971-01-01), Vecht
patent: 3572363 (1971-03-01), Roach
Buchler Joseph
Gross Otto
Parker Bernard
Buchler Instruments, Division of Searle Diagnostics Inc.
Cline William R.
Ross Karl F.
Spiegel H. Jay
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