Solid impurity detector

Details Solid impurity detector Solid impurity detector

G - Physics

01

N

116/68, 73/97

G01N 1/10 (2006.01)

Patent

CA 1116885

SOLID IMPURITY DETECTOR Abstract of the Disclosure A device is provided for detecting the presence of solid im- purities within a pressurized fluid. The device-comprises a housing having a fluid passageway formed therein. One end of the fluid passage- way is open to the pressurized fluid, preferably via a restricted port, while the other end of the fluid passageway is open to a low pressure fluid region. A filter element is disposed across and obstructs the fluid flow through the passageway at a point intermediate its ends so that the filter element removes solid particles from fluid flowing through the passageway. A pressure sensing means, such as a pressure transducer, communicates with the fluid passageway between the pres- surized fluid and the filter element. An increase of fluid pressure sensed by the pressure sensing means is indicative of a clogged filter element which, in turn, indicates the presence of solid impurities within the pressurized fluid. Appropriate indicating means are coupled to the pressure sensing means to provide a signal upon the occurrence of the aforementioned increase of fluid pressure.

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