| 摘要 |
Invention: LOW PRESSURE REFRIGERANT CONTAMINANT TESTER Inventor: NANCY MARIE OTTO A low pressure refrigerant specimen is metered from a refrigeration system as a two phase mixture containing both a liquid phase and a gas phase. The mixture is sealed in an inflatable bag and the liquid phase is permitted to become a gas at atmospheric pressure whereby any contaminants in the sample are uniformly distributed throughout the sample. A small representative sample of the gas is drawn from the bag by a pump and the sample passed through a contaminant tester tube which provides a visual indication of the amount of one or more selected contaminants contained in the representative sample.
|
