Condensation chamber for freeze drying apparatus

Details Condensation chamber for freeze drying apparatus Condensation chamber for freeze drying apparatus

1978-03-28

1979-12-18

Camby, John J.

Drying and gas or vapor contact with solids

Apparatus

Vacuum

55 82, 62 93, F26B 1330

Patent

active

041786971

ABSTRACT:
A condensation chamber for freeze drying apparatus is designed such that moisture containing air evacuated from a drying chamber passes substantially uniformly over the cooled interior surfaces of the condensation chamber thereby maximizing the available surface for moisture condensation and freezing. This desirable result is achieved by a tube which is connected to a vacuum pump and positioned through an end wall of the condensation chamber along the central axis of the chamber. One open end of the tube is positioned adjacent one end wall of the chamber and openings are provided through the wall of the tube adjacent the other end wall so that moisture containing air entering the chamber intermediate of the openings in the tube travel in both directions along the cooled interior surfaces of the chamber toward both openings in the tube.

REFERENCES:
patent: 2519028 (1950-08-01), Dodge
patent: 2935856 (1960-05-01), Gifford
patent: 3271874 (1966-09-01), Oppenheimer
patent: 3286366 (1966-11-01), Seligman
patent: 3795986 (1974-03-01), Sutherland
patent: 3950963 (1976-04-01), Sutherland
patent: 4090312 (1978-05-01), Fraser

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