Refrigeration – Automatic control – Withdrawing or adding refrigerant from or to normally closed...
Patent
1989-12-21
1991-01-22
Tanner, Harry B.
Refrigeration
Automatic control
Withdrawing or adding refrigerant from or to normally closed...
62195, 62509, 62513, F25B 4300, F25B 4500
Patent
active
049860828
ABSTRACT:
For carrying out charging of a refrigerant into a storage container (26), the refrigerant is separated into gaseous and liquid phase refrigerant segments which are supplied to a receiving unit (22) and an evaporator (18), respectively. The receiving unit and the evaporator are thermally coupled to each other. The gaseous phase refrigerant segment is modified into a modified refrigerant in a liquid phase in the receiving unit by use of evaporation of the liquid phase refrigerant segment in the evaporator. The modified refrigerant is sent from the receiving unit to the storage container. For smoothly carrying out reception of the modified refrigerant in the storage container, the inner pressure of storage container is controlled by a controlling arrangement (31, 32, 33, 34).
REFERENCES:
patent: 2986894 (1961-06-01), Endress et al.
patent: 3037362 (1962-06-01), Tilney et al.
patent: 3564865 (1971-02-01), Spencer et al.
patent: 4441330 (1984-04-01), Lower et al.
patent: 4476688 (1984-10-01), Goddard
patent: 4633674 (1987-01-01), Sato
patent: 4809515 (1989-03-01), Houwink
patent: 4903499 (1990-02-01), Merritt
Sanden Corporation
Tanner Harry B.
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