Patent ID: 8569050
Filing Date: 2013-10-29
Classification: C12M,C12N

Abstract:
1. A bioreactor, comprising: a containment vessel having a wall having inner and outer sides forming an interior having an inner diameter, lower and upper ends, and a medial area therebetween; a generally vertically oriented flow tube concentrically situated in said interior of said containment vessel, said flow tube forming a longitudinal passage having a bottom, a top, and a medial area therebetween; said flow tube having laterally formed therethrough, in the vicinity of said medial area of said longitudinal passage, a medial flow aperture; a sliding gate valve comprising a buoyant, cylindrical body formed to slidingly engage said wall of said flow tube so as to selectively block flow through said medial flow aperture upon said interior of said containment vessel being filled to a predetermined fluid level.