Cold-storage cartridge

Details Cold-storage cartridge Cold-storage cartridge

1994-05-17

1995-08-29

Tanner, Harry B.

Refrigeration

With indicator or tester

Condition sensing

624572, 62530, F25D 300

Patent

active

054449898

ABSTRACT:
The invention relates to a cold-storage cartridge comprising a housing (1,2) having an interior into which a cold-storage medium (4) is introduced and having a device for indicating the charging state of the cold-storage medium. A very simple arrangement for the indication of the fully charged state is obtained in that the indicator device comprises an indicator substance (13) whose melting temperature Ti is lower than the melting temperature Ts of the cold-storage medium (4), in that the indicator substance (13) is held in a container (10) which is in heat-conducting contact with the cold-storage medium (4), in that the container (10) comprises an optically transparent wall portion (8) and in that the indicator device is connected to the cold-storage cartridge in such a manner that the transparent wall portion (8) is visible from outside the cold-storage cartridge.

REFERENCES:
patent: 2642480 (1953-06-01), Shave
patent: 2809116 (1957-10-01), Laskowski
patent: 4846095 (1989-07-01), Emslander

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