Method and apparatus for checking the operation of a refrigerato

Details Method and apparatus for checking the operation of a refrigerato Method and apparatus for checking the operation of a refrigerato

1989-04-13

1990-09-25

Wayner, William E.

Refrigeration

Low pressure cold trap process and apparatus

62127, 417901, B01D 800

Patent

active

049584995

ABSTRACT:
Method and apparatus for checking the operation of a refrigerator-operator cryogenic pump. The method for checking the operation of a refrigerator-operated cryogenic pump having a cold head with at least one refrigerating unit that is equipped with a pump surface. Various data of the cryogenic pump, particularly the net refrigerating power of the refrigerating unit, are interrogated under various operating conditions and these data are compared to rated data. The method and apparatus are also directed to a diagnostic apparatus with which the interrogation is implemented.

REFERENCES:
patent: 4614093 (1986-09-01), Bachler
patent: 4667477 (1987-05-01), Matsuda et al.
patent: 4757689 (1988-07-01), Bachler et al.

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