Refrigerated fluid sampling apparatus and method with variable v

Details Refrigerated fluid sampling apparatus and method with variable v Refrigerated fluid sampling apparatus and method with variable v

1994-12-01

1996-12-24

Ramirez, Ellis B.

Boots, shoes, and leggings

G01F 1100

Patent

active

055879268

ABSTRACT:
A refrigerated automatic fluid sampling apparatus having a compressor assembly mounted in an upper portion thereof, above the thermally-controlled sample compartment. The apparatus includes a thermal control system which prolongs compressor life and optimizes compressor operation by exercising the compressor assembly during prolonged periods of non-use, preventing short-cycling of the compressor, and accurately monitoring sample temperatures to minimize compressor starts. The invention further includes a sampling control system which employs a statistical regression model to simulate real-life pumping system and operating characteristics so as to accurately deliver a predetermined sample volume, which permits sampling on a constant time, variable volume basis as well as other sampling modes.

REFERENCES:
patent: 5299141 (1994-03-01), Hungerford et al.
patent: 5506791 (1996-04-01), Hungerford et al.

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