Fluid measuring apparatus

Details Fluid measuring apparatus Fluid measuring apparatus

1977-12-29

1979-05-15

Queisser, Richard C.

Measuring and testing

Liquid analysis or analysis of the suspension of solids in a...

Viscosity

210332, 210409, G01N 1112

Patent

active

041540948

ABSTRACT:
A fluid handling apparatus, such as a viscometer of the falling piston type, wherein at least a portion of the fluid in a main conduit is diverted into a secondary conduit system which includes a measurement channel having a filter at the entrance to prevent entry of undesired material. When the flow of fluid into the measurement channel is stopped, the fluid flows past the filter, removes the undesired material which has been retained thereat, and carries it back into the main stream. The viscometer can further provide means for producing an external visual indication of the piston movement within the channel. Further, the fluid can be permitted to flow continuously in a second channel, thermally coupled to the measurement channel, so as to maintain the temperature of the measurement channel at or substantially near that of the main stream. Further means can be provided in the second channel to permit adjustment of the fluid flow in the measurement channel to assure adequate operation of the device.

REFERENCES:
patent: 1876439 (1932-09-01), Whaley
patent: 3304765 (1967-02-01), Norcross
patent: 3622004 (1971-11-01), Meyer
patent: 3686931 (1972-08-01), Norcross

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