Refrigeration – Automatic control – Withdrawing or adding refrigerant from or to normally closed...
Patent
1992-01-14
1994-07-12
Sollecito, John M.
Refrigeration
Automatic control
Withdrawing or adding refrigerant from or to normally closed...
62195, 62292, 62475, F25B 4500
Patent
active
053277414
ABSTRACT:
A refrigerant recovery machine which includes a distiller, oil separator, filters and an air separator to purify and reclaim refrigerant gas from a cooling system. The air separator may include a dual pressure gauge to regulate partial pressures of air and refrigerant to prevent the refrigerant from being vented to the atmosphere.
REFERENCES:
patent: 3357197 (1967-12-01), Massengale
patent: 4364236 (1982-12-01), Lower et al.
patent: 4768347 (1988-09-01), Manz et al.
patent: 4805416 (1989-02-01), Manz et al.
patent: 4862699 (1989-09-01), Lounis
patent: 5005369 (1991-04-01), Manz
patent: 5090211 (1991-02-01), Peters
Mason James L.
Pingel Martin H.
Envirotech Systems
Hall James D.
Sollecito John M.
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