Measuring and testing – Sampler – sample handling – etc. – With heating or cooling
Patent
1988-07-18
1989-09-19
Noland, Tom
Measuring and testing
Sampler, sample handling, etc.
With heating or cooling
73 611R, 73 613, 7386386, 62125, 62127, G01N 110, G01N 2514
Patent
active
048669946
ABSTRACT:
A sample cell connected through valving to a refrigeration system allows a prescribed mass of refrigerant with entrained oil to be collected and the refrigerant to be vaporized and returned to the system while leaving the oil in a graduated measuring tube. The sample cell has transparent upper and lower portions with graduated bores for measurement of the original sample and the oil residue, and an aluminum middle portion also containing a bore for conducting heat from the ambient air to the refrigerant to assist in the vaporization as well as for normalizing the temperature of the sample during filling.
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General Motors Corporation
Noland Tom
Phillips R. L.
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