Fluid sampling device

Details Fluid sampling device Fluid sampling device

1980-10-24

1982-08-31

Swisher, S. Clement

Measuring and testing

Sampler, sample handling, etc.

Plural parallel systems

7386351, 7386384, G01N 114

Patent

active

043466095

ABSTRACT:
A device for taking fluid samples from one or more locations in a pipeline or vessel comprises a hollow body (31) for projection into the pipeline or vessel, a rotatable internal sleeve (50) having fluid inlet ports (53) which are in register with respective inlet ports (35) in the body (31) at least once per revolution, for fluid to enter a cylinder (70) which is within the sleeve (50), and fixed relative to the body (31). A piston (120) is moved in the cylinder in accordance with the profile of a cam groove (60) formed in the internal wall of the sleeve (50), and executes a fluid sample discharge stroke when the rotation of the sleeve (50) brings into register a fluid discharge port (74) of the cylinder, a fluid discharge port (57) of the sleeve and a fluid discharge port (38) of the body (31). The device provides reliable sampling for most fluids and over a very wide range of conditions.

REFERENCES:
patent: 2906126 (1959-09-01), Brown
patent: 3031890 (1962-05-01), Struck
patent: 3218866 (1965-11-01), Struck

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