Closed loop refrigerant recovery system

Details Closed loop refrigerant recovery system Closed loop refrigerant recovery system

1990-11-21

1992-07-21

Tapolcai, William E.

Refrigeration

Refrigeration producer

With refrigerant treater

F25B 4304

Patent

active

051312425

ABSTRACT:
A closed loop refrigerant recovery system (10) having a primary purge condenser (20) and a secondary purge condenser (30 ). Non-condensible gas and refrigerant vapor is vented from condenser (8) to primary purge condenser (20). Non-condensible gas still containing refrigerant vapor is compressed by purge conpressor (50) and conducted to secondary purge condenser (30). The temperature of secondary purge condenser (30) is maintained low enough so that when relief valve (36) lifts, there will be no refrigerant vapor contained in the gas released.

REFERENCES:
patent: 2321964 (1943-06-01), Zieber
patent: 2400620 (1946-05-01), Zwickl
patent: 2464631 (1949-03-01), Zwickl
patent: 2986905 (1961-06-01), Kocher et al.
patent: 3013404 (1961-12-01), Endress et al
patent: 3145544 (1964-08-01), Weller
patent: 3276216 (1966-10-01), Papapanu
patent: 5005369 (1991-04-01), Manz

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