Measuring and testing – Liquid analysis or analysis of the suspension of solids in a... – Viscosity
Patent
1975-04-10
1976-04-27
Queisser, Richard C.
Measuring and testing
Liquid analysis or analysis of the suspension of solids in a...
Viscosity
137833, G01N 1100
Patent
active
039525767
ABSTRACT:
A laminar fluidic device for sensing fluid properties that affect viscosity s disclosed, the device comprising a source of supply for directing a jet of fluid outwardly from a nozzle, a pair of control channels disposed on opposite sides of the jet of fluid for deflecting the jet in response to a difference in the resistence of one control channel with respect to the other control channel, such resistence difference effecting a pressure differential across the jet, a pair of output channels for receiving the jet of fluid in accordance with the deflection thereof, and vent means disposed between the nozzle and the output channels. Each of the control channels normally exhibits channel resistence equal to the jet edge resistence and this normal channel resistence is brought about through a preselection of the control channel length, which length is contemplated to be approximately 70 times the width of the nozzle.
REFERENCES:
patent: 3363453 (1968-01-01), Erickson
patent: 3366143 (1968-01-01), Bauer
patent: 3505855 (1970-04-01), Rolland
patent: 3678733 (1972-07-01), Blatter
Drzewiecki Tadeusz M.
Manion Francis M.
Edelberg Nathan
Elbaum Saul
Gibson Robert P.
Queisser Richard C.
Roskos Joseph W.
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