Chemistry: molecular biology and microbiology – Miscellaneous
Patent
1978-05-08
1980-07-15
Penland, R. B.
Chemistry: molecular biology and microbiology
Miscellaneous
435284, 435290, C12M 102
Patent
active
042129508
ABSTRACT:
Apparatus providing for the growth of cells in a nutrient bath under controlled conditions includes a pressure vessel with a surrounding dimpled jacket. The pressure vessel is adjustably mounted on three vertical mounting columns, from which it is thermally isolated. Temperature control for the pressure vessel is achieved by a closed heat transfer system which includes a pair of heat exchanger sections in series, one for heating and one for cooling the heat transfer fluid. A removable head or lid for the pressure vessel is lifted by three cables running through a common pulley mounted above the pressure vessel. Impeller blades for agitating the contents of the fermenting apparatus have a drive shaft that extends through the head and is connected to a gear box by a removable driving link. The gear box, and an associated drive motor, are affixed to a common mounting bracket that is pivotable to permit maximum displacement of the head.
REFERENCES:
patent: 1235231 (1917-07-01), Nathan
patent: 2077652 (1937-04-01), Wessblad et al.
patent: 2298561 (1942-10-01), Hendrickson
patent: 2689818 (1954-09-01), Fischer
patent: 2750328 (1956-06-01), Stimpson et al.
patent: 3625834 (1971-12-01), Muller
patent: 3743582 (1973-07-01), Atsuo Kitai et al.
patent: 3857757 (1974-12-01), Herrick et al.
Penland R. B.
The VirTis Company, Inc.
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