Refrigeration – Automatic control – Refrigeration producer
Patent
1997-10-24
1999-05-25
Doerrler, William
Refrigeration
Automatic control
Refrigeration producer
62126, F25B 4304
Patent
active
059061065
ABSTRACT:
A refrigerant air analyzer and purge system for detecting and purging air within a refrigerant system or supply. The analyzer includes a vented test chamber, means for controlling a flow rate of refrigerant and an oxygen sensor. The means for controlling receives refrigerant from the refrigerant supply and provides the refrigerant to the test chamber through an inlet of the test chamber. The means for controlling limits the pressure and flow rate of refrigerant provided to the test chamber. The oxygen sensor is coupled to the test chamber and produces a signal which is a function of the oxygen level within the test chamber. The means for controlling is connected to the oxygen sensor for receiving the oxygen signal and providing a display.
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Brown William C.
Dull Charles E.
Murray Walter D.
Doerrler William
SPX Corporation Robinair Division
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