Cryogenic storage apparatus, particularly with automatic retriev

Details Cryogenic storage apparatus, particularly with automatic retriev Cryogenic storage apparatus, particularly with automatic retriev

1989-08-04

1990-11-13

Capossela, Ronald C.

Refrigeration

Compartment access or use and air blocking

Including article conveyer or transporter

62337, 62448, F25D 2302

Patent

active

049693360

ABSTRACT:
A cryogenic storage apparatus comprises a housing with an automatically operated access door. A holder device disposed in the housing supports a plurality of specimen-containing ampules, while a conveyor moves the holder device, together with the plurality of ampules, through cooling fluid in the housing along a path preferably including a snaking portion with vertically extending folds. An inverted L-shaped cooling component with an opened upper side is disposed in the housing for maintaining the cooling fluid at a predetermined low temperature. An extraction mechanism disposed outside of the housing at the access door serves to remove a selectable ampule positioned in the housing in juxtaposition to the door. A tracking device automatically tracks the positions of the ampules during motion thereof along the snaking path, while a control unit connected to the tracking device, the drive mechanism, the conveyor and the extraction mechanism activates the conveyor to move a given ampule along the path to the access door, opens the access door, and operates the extraction mechanism to remove the given ampule from the holder device and out through the opened door.

REFERENCES:
patent: 1938985 (1933-12-01), Starr
patent: 2599173 (1952-06-01), Hamilton
patent: 2950605 (1960-08-01), Hennion
patent: 3034845 (1962-05-01), Haumann
patent: 3141123 (1964-07-01), Olson
patent: 3583171 (1971-06-01), Flynn et al.
patent: 3696631 (1972-10-01), Valdes
patent: 3942334 (1976-03-01), Pink
patent: 4340263 (1982-07-01), Webb

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