G - Physics
01
N
G01N 21/85 (2006.01) G01N 21/05 (2006.01) G01N 21/53 (2006.01) G01N 15/06 (2006.01)
Patent
CA 2066052
The invention relates to a portable on-line fluid con- tamination monitor. Means (411, 411') are provided for con- necting the monitor to a fluid circuit and means (2) for with- drawing fluid from the circuit. Optical means (4) are used to view the fluid withdrawn from the circuit and to determine the level of contamination by observation of the particles therein, the optical means viewing the fluid through a window (42) by means of a light source (45) disposed to project light through the window and the fluid. A light sensor (47) dis- posed on the opposite side of the window from the light source is arranged to detect particles in the fluid passing ac- ross the window by sensing the degree of light obscuration caused by particles in the fluid.
Barnard Dominic Paul Edmund
Button David
Pratt John David
Staff Paul Ernest
Borden Ladner Gervais Llp
Parker Hannifin (uk) Limited
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