Cryogenic cold shelf

Details Cryogenic cold shelf Cryogenic cold shelf

1996-12-16

1997-12-30

Kilner, Christopher

Refrigeration

Storage of solidified or liquified gas

Including cryostat

62 521, 165908, 34239, F25B 1900, F17C 702

Patent

active

057017450

ABSTRACT:
A cryogenic cold shelf for use in a freeze drying system having a cryogen distributor for passing cryogenic fluid into the shelf volume of the cold shelf at differing rates so as to even refrigeration provided over the entire shelf resulting in a uniform temperature over the cold shelf.

REFERENCES:
patent: 3352123 (1967-11-01), Ulbricht et al.
patent: 3446028 (1969-05-01), Wulf
patent: 3464222 (1969-09-01), Gramse
patent: 3525235 (1970-08-01), Maurer
patent: 4667478 (1987-05-01), Jones, III
patent: 4991402 (1991-02-01), Saia, III
patent: 5456084 (1995-10-01), Lee
patent: 5519946 (1996-05-01), Renzi

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