Refrigerant recovery and recharging system with automatic air pu

Details Refrigerant recovery and recharging system with automatic air pu Refrigerant recovery and recharging system with automatic air pu

1999-03-19

2000-10-24

Doerrler, William

Refrigeration

Automatic control

Refrigeration producer

62 77, 62149, 62126, F25B 4304

Patent

active

061348996

ABSTRACT:
Conduits are coupled to a supply tank of refrigerant to allow the sensing of the amount of air present in the refrigerant tank and, upon the detection of air, the purging of air from the tank with a minimal loss of refrigerant. Preferably, the conduits include flow restrictors such as orifices and solenoid valves controlled by a microprocessor to sequentially sample and purge air from the refrigerant tank as required.

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