Background tank fill

Details Background tank fill Background tank fill

1999-03-19

2000-10-24

Doerrler, William

Refrigeration

Automatic control

Withdrawing or adding refrigerant from or to normally closed...

62 77, 62292, F25B 4500

Patent

active

061348961

ABSTRACT:
A refrigerant servicing system includes a main supply tank of refrigerant and an auxiliary tank which is coupled to the main tank by a valve which is selectively controlled by a circuit also coupled to weight and pressure sensors to assure the main tank has a level of refrigerant adequate for providing a continuous supply of refrigerant during servicing.

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