Refrigeration – Processes – Assembling – charging – or repairing of refrigeration producer
Patent
1998-01-14
1999-08-24
Doerrler, William
Refrigeration
Processes
Assembling, charging, or repairing of refrigeration producer
62475, 62292, 165 95, 15 351, F25B 4500, F25B 4304, B08B 920, F28G 1300
Patent
active
059410825
ABSTRACT:
A cleaning system which includes a piping system connected between two opposite ends of the cooling loop of an air conditioning system and two opposite ends of a cooling medium reclaiming machine, a first storage tank and a second storage tank respectively connected between the two opposite ends of the cooling loop of the air conditioning system and the piping system, and a plurality of valves provided at the piping system for controlling the flowing direction of a cooling medium between the cooling loop of the air conditioning and the cooling medium reclaiming machine, and a hard grained material carried with the cooling medium through the cooling loop of the air conditioning system between the storage tanks to rub dirty deposit away from the inside wall of the cooling loop of the air conditioning system.
REFERENCES:
patent: 4237962 (1980-12-01), Vandenhoeck
patent: 5168720 (1992-12-01), Keltner
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